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Shop By Brand

The Following brands are available based on your search.

  • ACDelco
    ACDelco
  • Dayco
    Dayco
  • Gates
    Gates
  • MacKay
    MacKay

Best Selling Genuine Gmc Radiator Hoses

  • We Stock the following top leading brands, including Dayco, Gates
  • Constantly Updated Inventory of Gmc Replacement Radiator Hose Parts

We stock Radiator Hose parts for most Gmc models, including Acadia, C1500, C1500 Suburban, C2500, C2500 Suburban, C3500, Caballero, Canyon, Envoy, G2500, G3500, Jimmy, K1500, K1500 Suburban, K2500, K2500 Suburban, K3500, P2500, P3500, R1500, R2500, R3500, S15, S15 Jimmy, Safari, Savana 1500, Savana 2500, Savana 3500, Sierra 1500, Sierra 1500 HD, Sierra 2500, Sierra 2500 HD, Sierra 3500, Sierra 3500 HD, Sonoma, Terrain, V1500, V2500 Suburban, V3500, Yukon, Yukon XL 1500, Yukon XL 2500.

Dayco
1953 GMC 300-24 Radiator Coolant Hose - Upper 6 Cyl 4.1L Dayco - Curved Radiator Hose

P311-1AC758C    70081  New

BH1066 , 2806194 , RH112 , 3788473 , 3822593 , 8403 , F3LE-8B273-AE , CH75 , KM165 , KM320 , 45167-AC010 , MC214 , 2120149 , 8173-15-185 , 2228434 , MR611 , GM9 , 8-533 , T16836T , 2341762 , 24238L , 2806185 , 142-5821 , 2362677 , 60042 , 046 , 22222M , B7C-8260-A , 16571-61140 , 3868407 , 102763A , 142-5354 , 2264779 , 61639 , B9A-8260-A , B70081 , 90916-01019 , 3865766 , 1503724 , BH713 , 60663 , C5TA-8260-E , 90916-01172 , RD54743 , 22803 , F7ZZ-8A593-AA , KM294 , TAAK-8260-A , BH708 , 602578 , 8140-15-185A , 3R3E-8A595-AC , 2000498 , 1639774 , 848304 , CH4 , E-518 , KM295 , 928947 , C5TZ-8260-S , T23533 , 312588 , CH31 , 846503M1 , 803569 , 1937740 , 313151 , 256838 , 801290 , 1616812 , 8484 , D2TA-8260-GA , F6ZZ-8A593-A , 2120184 , 99 , BH980 , 21794 , 14038151 , E6NN8260-AA , 1827704 , H190 , KM484 , 8-570 , BH783 , 1671785 , F3LY-8286-C , 21713 , 906735 , F3LE-8B273-AD , 8952 002 182 , B7Q-8260-A , 16571-61110 , 3217733 , 1730920 , 645902 , F7ZZ-8A593-AB , 16571-0F010 , 21660 , 3857039 , F7LE-8B273-AA , T14651T , 9438 , 1827718 , 142-1239 , 5902604 , 3888134 , 8-532 , 4146030 , CH26 , 2264001 , 62478 , C5TZ-8260-E , H38 , 7096 , 3044009-R1 , 1827720 , 3769199 , 16571-0F030 , MR504 , E6NN-8260-CA , 15571-72853 , 20398S , T17830T , BH779 , H168 , 1639773 , 2120148 , KM294A , 3827962 , 2363776 , 16571-0F020 , 3820924 , B8A-8260-A , F7ZE-8K576-AA , 2658388 , KM2396 , CH3 , TKAZ-8063-A , KM4642 , 906779 , 2120155 , 3906315 , F3LE-8B273-AF , 1616813 , 2224434 , MR804 , 4146129 , 22219M , 3905057 , 1E-518 , 2568388 , F7ZE-8A595-AA , H352 , C7TA-8260-AS , 603 , F3LE-8B273-AB , 2268911 , 3834397 , 45161-SC020 , 4045633

Qty:
$14.22
Dayco Radiator Coolant Hose Upper
  • ; Cut to Fit Std. Gen.
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1 1/2
    • End 2 Inside Diameter: 1 1/2
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 12
Brand: Dayco
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
1953 - GMC 300-24 Upper L 6 Cyl 4.1L 248 4065
Dayco
1987 GMC P3500 Radiator Coolant Hose - Upper 6 Cyl 4.8L Dayco - Curved Radiator Hose

P311-1AC758C    70081  New

BH1066 , 2806194 , RH112 , 3788473 , 3822593 , 8403 , F3LE-8B273-AE , CH75 , KM165 , KM320 , 45167-AC010 , MC214 , 2120149 , 8173-15-185 , 2228434 , MR611 , GM9 , 8-533 , T16836T , 2341762 , 24238L , 2806185 , 142-5821 , 2362677 , 60042 , 046 , 22222M , B7C-8260-A , 16571-61140 , 3868407 , 102763A , 142-5354 , 2264779 , 61639 , B9A-8260-A , B70081 , 90916-01019 , 3865766 , 1503724 , BH713 , 60663 , C5TA-8260-E , 90916-01172 , RD54743 , 22803 , F7ZZ-8A593-AA , KM294 , TAAK-8260-A , BH708 , 602578 , 8140-15-185A , 3R3E-8A595-AC , 2000498 , 1639774 , 848304 , CH4 , E-518 , KM295 , 928947 , C5TZ-8260-S , T23533 , 312588 , CH31 , 846503M1 , 803569 , 1937740 , 313151 , 256838 , 801290 , 1616812 , 8484 , D2TA-8260-GA , F6ZZ-8A593-A , 2120184 , 99 , BH980 , 21794 , 14038151 , E6NN8260-AA , 1827704 , H190 , KM484 , 8-570 , BH783 , 1671785 , F3LY-8286-C , 21713 , 906735 , F3LE-8B273-AD , 8952 002 182 , B7Q-8260-A , 16571-61110 , 3217733 , 1730920 , 645902 , F7ZZ-8A593-AB , 16571-0F010 , 21660 , 3857039 , F7LE-8B273-AA , T14651T , 9438 , 1827718 , 142-1239 , 5902604 , 3888134 , 8-532 , 4146030 , CH26 , 2264001 , 62478 , C5TZ-8260-E , H38 , 7096 , 3044009-R1 , 1827720 , 3769199 , 16571-0F030 , MR504 , E6NN-8260-CA , 15571-72853 , 20398S , T17830T , BH779 , H168 , 1639773 , 2120148 , KM294A , 3827962 , 2363776 , 16571-0F020 , 3820924 , B8A-8260-A , F7ZE-8K576-AA , 2658388 , KM2396 , CH3 , TKAZ-8063-A , KM4642 , 906779 , 2120155 , 3906315 , F3LE-8B273-AF , 1616813 , 2224434 , MR804 , 4146129 , 22219M , 3905057 , 1E-518 , 2568388 , F7ZE-8A595-AA , H352 , C7TA-8260-AS , 603 , F3LE-8B273-AB , 2268911 , 3834397 , 45161-SC020 , 4045633

Qty:
$14.22
Dayco Radiator Coolant Hose Upper
  • ; Cut to Fit
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1 1/2
    • End 2 Inside Diameter: 1 1/2
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 12
Brand: Dayco
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
1987 - GMC P3500 Upper L 6 Cyl 4.8L 292 -
Dayco
1959 GMC 370 Radiator Coolant Hose - Upper 6 Cyl 4.4L Dayco - Curved Radiator Hose

P311-4752631    70281  New

BH764 , 20120S , 1336815 , KM152 , 60289 , 1336807 , MR594 , H135 , 0866-15-521A , CH86 , BH1022 , 0866-16-521A , P50477H , CH62 , 1437A7 , 930068 , CH27 , 1106501 , 1827644 , MR548 , 136544 , M3107T , H16 , 21145 , BH822 , 20876 , 14055-0W010 , C0876 , B70281 , 3709443 , 7851 , 1827643 , 62457

Qty:
$11.53
Dayco Radiator Coolant Hose Upper
  • ; Cut to Fit
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1 1/2
    • End 2 Inside Diameter: 1 1/2
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 9 3/4
Brand: Dayco
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
1959 - GMC 370 Upper L 6 Cyl 4.4L 270 4425
Dayco
2005 GMC Sierra 2500 HD Radiator Coolant Hose - Lower 8 Cyl 6.0L Dayco - Curved Radiator Hose

P311-4F8DF7B    71990  New

22437 , 22742967 , 22861887 , 19130015 , 22827735 , 62261 , 15792826 , 15037656 , 9070 , 15769077 , 24403L , E71990

Qty:
$20.10
Dayco Radiator Coolant Hose Lower
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: Y
    • End 1 Inside Diameter: 1 1/2
    • End 2 Inside Diameter: 1 1/2
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 17
Brand: Dayco
Position: Lower
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2005 - GMC Sierra 2500 HD Lower V 8 Cyl 6.0L 364 5967
Dayco
2007 GMC W4500 Forward Radiator Coolant Hose - Upper 8 Cyl 6.0L Dayco - Curved Radiator Hose

P311-58196A1    72193  New

E72193 , 8-9736-544-0 , 15160997 , 22074 , 9763 , 26398X , 23098 , 62423 , 22651 , 97363544 , 8-15160-997-0 , 22685150 , 26249X , 9284 , 24566L , 8755

Qty:
$20.62
Dayco Radiator Coolant Hose Upper
  • ; Cut to Fit
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1 9/32
    • End 2 Inside Diameter: 1 17/32
    • Hose Type: Dual I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 16
Brand: Dayco
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2007 - GMC W4500 Forward Upper V 8 Cyl 6.0L 364 5967
Dayco
2002 GMC Envoy Radiator Coolant Hose - Upper Dayco - Curved Radiator Hose

P311-1B89B02    71078  New

7739 , B71078 , H0061144 , 22652 , 9285 , 62422 , 61144 , 20382S , 4266349 , 241 , 8-15160-996-0 , 20101S , 21027 , 15160996 , 4140576

Qty:
$13.09
Dayco Radiator Coolant Hose Upper
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1 1/4
    • End 2 Inside Diameter: 1 3/8
    • Hose Type: Dual I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 9 1/4
Brand: Dayco
Position: Upper
Additional Fitment Information:
Vehicle Position
2002 - GMC Envoy Upper
Dayco
2002 GMC Envoy Radiator Coolant Hose - Lower Dayco - Curved Radiator Hose

P311-58196A1    72193  New

E72193 , 8-9736-544-0 , 15160997 , 22074 , 9763 , 26398X , 23098 , 62423 , 22651 , 97363544 , 8-15160-997-0 , 22685150 , 26249X , 9284 , 24566L , 8755

Qty:
$20.62
Dayco Radiator Coolant Hose Lower
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1 9/32
    • End 2 Inside Diameter: 1 17/32
    • Hose Type: Dual I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 16
Brand: Dayco
Position: Lower
Additional Fitment Information:
Vehicle Position
2002 - GMC Envoy Lower
Dayco
2003 GMC Sierra 1500 Radiator Coolant Hose - Upper 8 Cyl 5.3L Dayco - Curved Radiator Hose

P311-2EC76E2    71989  New

15076028 , 15041305 , 62634 , 15179498 , 9069 , E71989 , 10379176 , 26390X , 15057981 , 22436 , 62262 , 15045504 , 1215

Qty:
$23.02
Dayco Radiator Coolant Hose Upper
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: Y
    • End 1 Inside Diameter: 1 5/16
    • End 2 Inside Diameter: 1 5/16
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 25
Brand: Dayco
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2003 - GMC Sierra 1500 Upper V 8 Cyl 5.3L 325 5328
Dayco
2003 GMC Sierra 1500 Radiator Coolant Hose - Lower 8 Cyl 5.3L Dayco - Curved Radiator Hose

P311-4F8DF7B    71990  New

22437 , 22742967 , 22861887 , 19130015 , 22827735 , 62261 , 15792826 , 15037656 , 9070 , 15769077 , 24403L , E71990

Qty:
$20.10
Dayco Radiator Coolant Hose Lower
  • ; Cut to Fit
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: Y
    • End 1 Inside Diameter: 1 1/2
    • End 2 Inside Diameter: 1 1/2
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 17
Brand: Dayco
Position: Lower
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2003 - GMC Sierra 1500 Lower V 8 Cyl 5.3L 325 5328
Dayco
1995 GMC K3500 Radiator Coolant Hose - Lower 8 Cyl 5.7L Dayco - Curved Radiator Hose

P311-4E50E3A    71428  New

15956515 , 378 , 41456 , 15607247 , 8400 , 15567682 , 21710 , 15567684 , 24219L , 15659612 , 61456 , 15659485 , 62021 , 15607248 , 15659613 , D71428 , 15607210 , MC176 , 22264M , 8630 , 15627104 , 21940 , 15607239 , 15659483 , 973

Qty:
$19.35
Dayco Radiator Coolant Hose Lower
  • ; 26 In. Rad.
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: Y
    • End 1 Inside Diameter: 1 1/2
    • End 2 Inside Diameter: 1 3/4
    • Hose Type: Dual I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 15 1/4
Brand: Dayco
Position: Lower
Additional Fitment Information:
Vehicle Position Block Engine CID CC
1995 - GMC K3500 Lower V 8 Cyl 5.7L 350 -
Dayco
1998 GMC Yukon Radiator Coolant Hose - Lower Dayco - Curved Radiator Hose

P311-4E50E3A    71428  New

15956515 , 378 , 41456 , 15607247 , 8400 , 15567682 , 21710 , 15567684 , 24219L , 15659612 , 61456 , 15659485 , 62021 , 15607248 , 15659613 , D71428 , 15607210 , MC176 , 22264M , 8630 , 15627104 , 21940 , 15607239 , 15659483 , 973

Qty:
$19.35
Dayco Radiator Coolant Hose Lower
  • ; 33 In. Rad.
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: Y
    • End 1 Inside Diameter: 1 1/2
    • End 2 Inside Diameter: 1 3/4
    • Hose Type: Dual I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 15 1/4
Brand: Dayco
Position: Lower
Additional Fitment Information:
Vehicle Position
1998 - GMC Yukon Lower
Dayco
2016 GMC Canyon Radiator Coolant Hose - Lower 6 Cyl 3.6L Dayco - Curved Radiator Hose

P311-5C04851    71794  New

21501-31U10 , 21501-2Y000 , C71794 , 22709846 , 8843 , 62651 , 8927 , 23166 , 22183 , 21501-31U00 , 16572-07040 , MN156404 , 22576M , 22312M

Qty:
$15.65
Dayco Radiator Coolant Hose Lower
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1 11/32
    • End 2 Inside Diameter: 1 11/32
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 13
Brand: Dayco
Position: Lower
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2016 - GMC Canyon Lower V 6 Cyl 3.6L 217 3564
Dayco
2007 GMC Sierra 1500 Radiator Coolant Hose - Lower 6 Cyl 4.3L Dayco - Curved Radiator Hose

P311-4F8DF7B    71990  New

22437 , 22742967 , 22861887 , 19130015 , 22827735 , 62261 , 15792826 , 15037656 , 9070 , 15769077 , 24403L , E71990

Qty:
$20.10
Dayco Radiator Coolant Hose Lower
  • ; S Shaped Hose
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: Y
    • End 1 Inside Diameter: 1 1/2
    • End 2 Inside Diameter: 1 1/2
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 17
Brand: Dayco
Position: Lower
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2007 - GMC Sierra 1500 Lower V 6 Cyl 4.3L 262 -
Dayco
2003 GMC Sonoma Radiator Coolant Hose - Lower 6 Cyl 4.3L Dayco - Curved Radiator Hose

P311-4179C36    71723  New

60901 , 15149147 , 416 , 22039 , 61502 , C71723 , 8723 , 22287M , 15661066

Qty:
$17.95
Dayco Radiator Coolant Hose Lower
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1 17/32
    • End 2 Inside Diameter: 1 25/32
    • Hose Type: Dual I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 11
Brand: Dayco
Position: Lower
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2003 - GMC Sonoma Lower V 6 Cyl 4.3L 262 -
Dayco
2005 GMC Jimmy Radiator Coolant Hose - Upper Dayco - Curved Radiator Hose

P311-0EB83A2    71878  New

15731692 , 8848 , 22196 , 62169 , 1114 , 15722058 , 15196829 , 26302X , 15751101 , E71878

Qty:
$22.59
Dayco Radiator Coolant Hose Upper
  • ; Cut to Fit
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: Y
    • Contains Protective Sleeve: Y
    • End 1 Inside Diameter: 1 5/16
    • End 2 Inside Diameter: 1 5/16
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 21
Brand: Dayco
Position: Upper
Additional Fitment Information:
Vehicle Position
2005 - GMC Jimmy Upper
Dayco
1998 GMC Yukon Radiator Coolant Hose - Upper Dayco - Curved Radiator Hose

P311-1645EE7    71880  New

15977344 , 15024900 , 1117 , 8851 , E71880 , 62172 , 22209 , 26307X , 15960143 , 15072926

Qty:
$19.15
Dayco Radiator Coolant Hose Upper
  • ; 33 In. Rad.
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: Y
    • End 1 Inside Diameter: 1 1/4
    • End 2 Inside Diameter: 1 1/4
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 21 1/2
Brand: Dayco
Position: Upper
Additional Fitment Information:
Vehicle Position
1998 - GMC Yukon Upper
Dayco
1977 GMC P35 Radiator Coolant Hose - Upper 8 Cyl 7.4L Dayco - Curved Radiator Hose

P311-0EDC456    70986  New

16571-41070 , 20776 , 21504-02E00 , 8-94153-460-1 , 142-0843 , 8-94145-900-1 , 21171 , 8-94433-865-1 , 20066S , 21501-6Z700 , 674290 , 7539 , 8-94433-864-0 , 62418 , 16571-38030 , C0776 , 16571-0H020 , 8-94453-588-1 , L34-1452 , 0305-15-186B , 142-5943 , 21501-EL000 , MR932 , 8-94370-570-1 , 16572-62050 , 19130272 , L34-1460 , 8-94447-549-0 , 16403 , 16571-38011 , 21501-K2405 , 142-5321 , 21501-U0100 , 9944 , 8-94173-460-0 , 8-94410-969-0 , 21501-A0600 , 16571-41040 , 20474S , 8-94153-460-2 , 7877 , 8-94389-481-0 , 23306 , 8-94370-798-1 , C1171 , 142-2229 , 142-5946 , 16571-74130 , 8-97106-240-0 , 21503-36W15 , 8-94337-300-0 , BH1575 , 8-94370-798-0 , 16571-16240 , 16572-35140 , 8-94447-549-1 , 21504-20R00 , 8-94453-589-1 , 21501-21001 , 8-94139-982-3 , 8-97106-245-0 , 21501-U5205 , 14034144 , L34-1428 , 21501-N6000 , 142-4555 , 20778 , L34-1185 , 8-94370-521-0 , 60947 , 23236 , 8-94370-570-0 , 22594530 , 16572-35120 , 22131M , 16572-35150 , 8-94370-521-1 , 22599M , 142-5982 , KM667 , C70986 , 8-94139-982-33 , 8-94433-915-1 , MB906430 , 16571-38038

Qty:
$13.94
Dayco Radiator Coolant Hose Upper
  • ; Cut to Fit w/o Motor Home Chassis
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1 5/16
    • End 2 Inside Diameter: 1 5/16
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 13 1/2
Brand: Dayco
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
1977 - GMC P35 Upper V 8 Cyl 7.4L 454 -
Dayco
1975 GMC P35 Radiator Coolant Hose - Upper 8 Cyl 7.4L Dayco - Curved Radiator Hose

P311-0EDC456    70986  New

16571-41070 , 20776 , 21504-02E00 , 8-94153-460-1 , 142-0843 , 8-94145-900-1 , 21171 , 8-94433-865-1 , 20066S , 21501-6Z700 , 674290 , 7539 , 8-94433-864-0 , 62418 , 16571-38030 , C0776 , 16571-0H020 , 8-94453-588-1 , L34-1452 , 0305-15-186B , 142-5943 , 21501-EL000 , MR932 , 8-94370-570-1 , 16572-62050 , 19130272 , L34-1460 , 8-94447-549-0 , 16403 , 16571-38011 , 21501-K2405 , 142-5321 , 21501-U0100 , 9944 , 8-94173-460-0 , 8-94410-969-0 , 21501-A0600 , 16571-41040 , 20474S , 8-94153-460-2 , 7877 , 8-94389-481-0 , 23306 , 8-94370-798-1 , C1171 , 142-2229 , 142-5946 , 16571-74130 , 8-97106-240-0 , 21503-36W15 , 8-94337-300-0 , BH1575 , 8-94370-798-0 , 16571-16240 , 16572-35140 , 8-94447-549-1 , 21504-20R00 , 8-94453-589-1 , 21501-21001 , 8-94139-982-3 , 8-97106-245-0 , 21501-U5205 , 14034144 , L34-1428 , 21501-N6000 , 142-4555 , 20778 , L34-1185 , 8-94370-521-0 , 60947 , 23236 , 8-94370-570-0 , 22594530 , 16572-35120 , 22131M , 16572-35150 , 8-94370-521-1 , 22599M , 142-5982 , KM667 , C70986 , 8-94139-982-33 , 8-94433-915-1 , MB906430 , 16571-38038

Qty:
$13.94
Dayco Radiator Coolant Hose Upper
  • ; Cut to Fit w/o A.C.
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: N
    • Contains Protective Sleeve: N
    • End 1 Inside Diameter: 1 5/16
    • End 2 Inside Diameter: 1 5/16
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 13 1/2
Brand: Dayco
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
1975 - GMC P35 Upper V 8 Cyl 7.4L 454 -
Dayco
2003 GMC Sonoma Radiator Coolant Hose - Upper 6 Cyl 4.3L Dayco - Curved Radiator Hose

P311-0EB83A2    71878  New

15731692 , 8848 , 22196 , 62169 , 1114 , 15722058 , 15196829 , 26302X , 15751101 , E71878

Qty:
$22.59
Dayco Radiator Coolant Hose Upper
  • Curved Radiator Hose
  • Product Attributes:
    • Contains Heat Shield: Y
    • Contains Protective Sleeve: Y
    • End 1 Inside Diameter: 1 5/16
    • End 2 Inside Diameter: 1 5/16
    • Hose Type: Single I.d. Hose
    • SAE Specification: Sae J20r4 Class D-1, Sae J1684 Type Ec
    • Trunk Height: 21
Brand: Dayco
Position: Upper
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2003 - GMC Sonoma Upper V 6 Cyl 4.3L 262 -
Gates
2004 GMC Sierra 2500 Radiator Coolant Hose Gates

P311-110AB4B    W0133-1687071  New

Qty:
$27.02
Gates Radiator Coolant Hose
  • Molded
Brand: Gates
Additional Fitment Information:
Vehicle
2004 - GMC Sierra 2500

Latest Gmc Repair and Radiator Hose Installation Advice

CarJunky AutoAdvice

97 GMC Z71 radiator hose broke off in manifold

Showing 7 out of 7 Posts
Question From dusty_workshop on 97 GMC Z71 radiator hose broke off in manifold

I hope someone can help me:

I have a 1997 Gmc Z71 Sierra pick up. The connector broke off on my radiator hose from the heater box back to the manifold. The bottom 2/3 of the threads are broken off. Does anyone know how I can remove from my manifld the threads from the broken connector? I can post pictures if need be.

thanks a bunch

DUSTY

Response From DanD

I think I know what you mean but the picture would be nice.
I’ve used a large easy-out before but if that doesn’t work, you may need to get in there with a small hacksaw blade. Make three equally spaced cuts in what is left of the inside of the spigot and then collapse it into itself, you should then be able to remove the cut pieces.
The small cuts that are left in the threads of the manifold can be sealed with silicone as the new spigot is threaded in. Only cut as deep as need be to collapse the spigot.
Dan.

Response From dusty_workshop

Alright we are on the same page. I thought I would try to collapse the broken off threading (about 3/4 of an inch of threads from the 1" diameter fitting) that are stuck in the manifold. I wanted to post here before doing anything to see what ideas I got.

I have never used an easy out tool. I thought that they were to remove bolts etc. I did not realize that they might work for a hollow threaded break off such as this. I have the new fitting so I am first going to see if I can find an easy out that would work to remove it.

If that fails I am going to collapse the threads in and remove them as suggested. When I am cutting with the hacksaw do i need to be concerned about the shavings? I could position a shop vac hose over the area if that is a good idea, or is it not a problem if some of the shavings fall down into the manifold?

Do I need a specific type of silicon that is heat sensative to seal the new fitting into the manifold? That seems like a much better idea than what I had which was to use teflon tape.

I have attached a picture of the new fitting. As I stated about 3/4" of the threads are broken off inside the manifold. The break is flush too. The metal is actully crumbly where it broke. The part left in the manifold seems to be less brittle though.

Thanks again for any and all help.

I'll follow up with a progress report.

cheers

DUSTY

Response From DanD

Well it sounds like you are going in the right direction so keep me informed, I would like to know how you make out with this.
As far as the shavings, don’t worry about them there won’t be all that much and it’s the cooling system that isn’t all that fussy about a “little” crud floating around. (Notice the quote around a little)
The silicone to use is just any form of automotive style, not what you would use on your house windows. LOL
The only other thing I want to warn you about is the threads are pipe threads, they start out shallow and get bigger towards the hex, so be careful when you tighten in the new spigot not to break it off..
Like I said please let me know how the job works out, I hope it goes well.
Dan.

Response From dusty_workshop Top Rated Answer

I think that I am in the clear.

Here is what happened.

I first called Adavanced auto parts and they said that the hose was a dealer part and I'd need to call the dealership.

I called the dealership and they said they had to order the hose (which was actually fine) but had the connector. I was able to pick them up Friday.

I asked some friends at work and another suggestion was to try to get a diamond punch to bite on the inside lip of the threads and get er spinning out that way. I thought this sounded like a good idea to try before using the hacksaw blade.

I called all around trying to find a diamond punch bit nobody in town had one. I called back over to Advanced Auto Parts and got someone on the line who new 2 whits about my problem. He said he had a prick punch which I might be a ble to use. Also suggested a liquid teflon thread sealer to seal the fitting. He also had for me a solid steel fitting that was much beter than the aluminum piece of crap the dealership sold me. Almost 10$ less expensive too!

I tried the punch but it was hopeless. I had a cheapo chisel that i bought 2 for 1$ at the dollar store for just some purpose as to mangle on a project like this. It seemed to wedge perfevtly down inside the opening. I managed to get the tang loose from the handle and proceeded to chuck the tang of the chisel into my brace and bit.

I torqued down that brace real good onto the chisel. It was set firm up inside the broken off stump off the old fitting. I huffed and i puffed but i could not get that sucker to budge. I sprayed in some more solvent and walked away. Let it soak real good. Went to pick the wife up from work (since i had her car all day) came home and drank a beer. Anyway i got back too it and the chisel broke free.

I took to the hack saw. I cut through in 2 spots. Pried out the first piece , then cut the 3rd slot and removed the last two pieces of threading. I wedged the shop vac hose over the area where i worked to make sure no debris fell in the manifold. Sombody warned that a chunk of that threading could cause a blockage, so i took care to see that all sections of the threading were removed by hand.

I coated the bottom 1/4 inch of the fitting with the thread sealer. It was a bear to get threaded. All i have to use is a cresent wrench. I am gonn see if a friend has a socket big enough to fit over it to get it threaded further (if he feels it needs to be).

I have driven the truck and the temp seems fine and the fitting seems to be holding as well as the seal. Can anyone think of anything else i need to check? I'll try to folow up with a pic of the new fitting in place.

thanks again for the help Dan,

now I can get back to my woodworking. If you have any carpentry questions i am there for ya'

cheers

Response From motorheadII


...and drank a beer.

Some day I'm gonna write a detailed essay on the impact Budweiser and Miller has had on the auto repair trade.

Response From Tom Greenleaf

Great post even if a long read. That silly thing that puts the heater hose into the manifold is a pest. Like Dan said a few bits of junk in the cooling system shouldn't be a problem. It's aweful sometimes that one stupid thing can cost your whole day or more! It happens, Keep your hair and your marriage!

83 gmc truck no heat

Showing 2 out of 4 Posts | Show 2 Hidden Posts
Question From jkkennedy on 83 gmc truck no heat

Hello I have I 1983 gmc c1500 truck 5.0 engine I have all of the hose hook up and took of the the heatercore to see if maybe plug blow on one end of hose water came out easy you turn on the heat and the thing blow warm for just a min and then cold air comeing out of it let truck run for 30 min felt the water in the rader it was just warm not hot.

Response From Tom Greenleaf Top Rated Answer

Coolant must be full at radiator and can take a cycle or two to burp out air after being open. Is heater truly cold or just lukewarm? From cold, upper radiator hose should stay cold to the touch till engine approaches the thermostat's rating, typically about 195F for this engine.

If the hose warms up early then the thermostat is letting coolant pass too early to be cooled when already not warm enough,

T

Response From jkkennedy

The radiator is full and the heater is truly cold just put a new thermostat that is a one 195f thinking maybe this is what it was but no still cold air no heat at all check the bypass door it is hook and working so that not it so what to do next

Response From Tom Greenleaf

Does your temp gauge stay steady? Are heater hoses at least warm. Should be about too hot to touch - careful. I think temp blending (for heater) is mechanical (cable) but can't be sure on this one. Rare but there are water pumps that will be directional and wrong or impellers not up to snuff,

T

Transmission Fitting Leak

Showing 2 out of 3 Posts | Show 1 Hidden Posts
Question From CountryPlumber on Transmission Fitting Leak

Ok I have a GMC 2002 Savana cargo van. 5.0L V8. 110,000 miles total. I checked my coolant level and it was low. I statrted to check it every morning and it would be a bit low. So I started checking around and found a crack in the black plastic on the left side of the radiator that holds the unused engine oil cooler tank. Ok no problem I replace the radiator and the upper and lower radiator hoses. The new radiator came with a few fittings. I install the appropriate size fittings for the transmission lines. I did not add any teflon tape....it appeared they had tape aready on them. Maybe I should have added my own.

Anyway I tightened them in good and snug. I drove it around the block and had a small leak out of the threads of each transmission line. I tightened them a bit more. Drove it around the block about 2 or 3 miles and no more leak. Today I drive the van all day in 100 degree heat and I'm getting a leak at the threads between the threaded fitting where it screws into the radiator.

Also the lower hose is some off brand.....its too short and the serp belt will rub it if I dont cheat the hose were it connects to the lower radiator connection by about 1" I think I'm going to find another gates hose like I originally had.

My question is why do you think my threaded fittings are leaking? And what would you do to stop the leak? I'm thinking teflon tape but aren't those inverted flare fittings?
My tranny lines connect to this fitting with clips......my problem is where the steel fittings screws into the radiator threads.

Thanks guys!

Response From Hammer Time Top Rated Answer

Just use some teflon tape or gasket sealer on the threads.

Response From CountryPlumber


Just use some teflon tape or gasket sealer on the threads.



Thanks for the reply. I guess i will try the teflon 1st. I did the repair because it was on sunday when I found it and I had work scheduled for monday. I own a small plumbing business. I typically do not do my own auto work.

95 GMC rebuilt tran won't go into overdrive

Showing 3 out of 8 Posts | Show 5 Hidden Posts
Question From Sandman on 95 GMC rebuilt tran won't go into overdrive

Hey folks, hoping someone can give me some advice here..and I really hope this isn't too confusing. I've researched high and low and checked everything I can think of and here's where I'm at on a 1995 GMC Sierra k1500 5.7 4x4 210k miles:
2 weeks ago I rebuilt the transfer case, dropped the pan to replace the tran filter and replaced the fluid lost from the drop. Everything worked fine after that except it was slipping bad in reverse, and a little in first. While I was waiting on parts for the transfer case rebuild, I replaced my exhaust manifolds, radiator hoses, thermostat, power steering hoses, idler/pitman arms, tie rods, and ball joints. (I've been busy). For the past year it would randomly give me one click when I tried to start the truck. If I kept trying it would eventually start. I replaced the starter a while back and new battery. It still does it sometimes and has been getting worse so I got a brand new starter (not rebuilt) and replaced the ignition switch, tumbler, and neutral safety switch. I also added a push button starter for emergency situations. I should add, my battery has been relocated to the bed of the truck so I also went through all grounds throughout the truck, polished the attach points and made sure they're all secure. The clicking instead of starting problem has gone away. Ok now that we've cleared up everything I did electrically.
So here I am today, tranny shop can't hit overdrive so they tell me something else is wrong with the truck. (Overdrive worked when I dropped it off at their shop). They did say the put a new neutral safety switch on, test drove again, got it to hit overdrive, but then they shifted to 3rd to check lockup and it wouldn't get overdrive again. so..
Here's what I've done today: I Rechecked all grounds on the truck. Polished every bit of contact. I pulled the column again and checked voltage at all wires on the ignition switch. Every wire has about the same voltage, around 12.6 when I turn the key on, and over 13.5 when it's running. I check the power to the transmission harness and it reads the same. One thing I noticed right when I got it back from them was the tran pan kept looking like it's dripping. When I check the voltage at the wiring harness on the transmission, it's all wet there. As I'm popping the harness back on the connector, it moves and fluid starts coming out. So I get that pulled up tight and it stops leaking, and I'll be showing the shop that on Monday.
What else should I check?? I've read the engine might not be at temp and might not allow overdrive to work. Could a faulty thermostat cause that? The whole time I keep test driving it, the engine is running at about 180 degrees. I wouldn't think I got a faulty ignition switch since the voltage is consistent across all appropriate wires. I have no fuses out. Checked voltage at both sides of each fuse and nothing is wrong there. Live scan wasn't showing them anything but there could still be the possibility a solenoid isn't working correctly from their rebuild, right? Any help is appreciated!

Response From Sandman

Oh ya more info, There are no warnings on the instrument panel. The instrument panel is working and all lights do light up when starting. Vehicle speed is accurate and 1-2 2-3 shifts feel perfect. Brake switch is working correctly. Cruise control is working.

Response From Discretesignals

Someone needs to connect up a high end scan tool that can access the manufacture side of the PCM. Then they need to monitor the TCC solenoid command. They will also need to verify that the TCC solenoid command is occurring by either monitoring voltage at the TCC solenoid circuit at the PCM connector using a volt meter or an oscilloscope to verify circuit integrity. If everything looks fine electrically, then you have a mechanical problem inside the transmission or torque converter.

Response From Sandman

Thanks for that info. I'm assuming that's what the transmission shop was doing when he said he did a live scan, got no error codes and all his work is correct. I think he was also getting annoyed he already put an extra day into troubleshooting it. I'm going to call him Monday morning and have him check all that I guess. Everything else I've checked electronically seems perfect.

Response From Sandman

I took the truck back to the trans shop yesterday morning after I had exhausted all checks that I could on my own. Just got the truck back, fixed and running perfectly (I hope it's not a coincidence haha). He went over everything they did, replaced the wiring harness, and through his search ended up finding the manifold pressure switch was bad. He through a new one in and it has worked perfectly over multiple test drives. On the drive home the truck was shifting perfectly through all gears. Hope that was the problem! Thanks for the help

Response From nickwarner

A bad manifold pressure switch would cause that issue. Glad you got it resolved.

Response From Discretesignals Top Rated Answer

manifold pressure switch? Is that on the exhaust manifold?

Response From nickwarner

Its next to the muffler belt.