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Shop By Brand

The Following brands are available based on your search.

  • Dayco
    Dayco
  • Gates
    Gates

Shop By Related Serpentine Belt Parts

Shop below for all Serpentine Belt related parts for your Mack


Shop for Top Selling Genuine Mack Gu4 Serpentine Belts

  • We Stock the following top leading brands, including Dayco, Gates
  • Constantly Updated Inventory of Mack Gu4 Replacement Serpentine Belt Parts

We also have Serpentine Belt parts for other Mack models, including Anthem, CH, CHN, CHU, CL, CM, CT, CTP, CV, CX, CXN, CXP, CXU, DM, DMM, GU4, GU5, GU7, GU8, Granite, Granite 8 X 4, LE, LEU, LR, LR600, MH, MR, MRU, Pinnacle, R, RB, RD, RW, RWL, RWS, TD700, TerraPro, WL, WS.


Dayco
2012 Mack GU4 Serpentine Belt Dayco

P311-30DE9CF    5080795  New

01-23415-084 , 01-27110-041 , 1842063C1 , 1842598C1 , 21591999 , 25-080797 , 25-080797HD , 2614E127 , 3289787 , 3290029 , 3664150C1 , 3851528C1 , 3926096 , 3944705 , 3972384 , 4080797 , 5256766 , 795K8 , 797K8 , 87370802 , 8K797 , A906 997 3792 , D1108-4945 , D84-1000-1082015 , F65E-8620-HA , F65Z-8620-HA , F6TE-8620-CB , F75E-8620-GA , JK8-803 , K080794HD , K080797 , K080797HD , N374069 , PK080797 , R135609 , YL3E-8620-DA , YL3E-8620-DB

Qty:
In Stock & Ready to Ship
$40.29
Dayco Serpentine Belt
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 2020.07
      • 79.53
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 2036.07
      • 80.16
    • Rib Depth: Standard
    • Rib Profile: Straight Rib
    • Rib Quantity: 8
    • Standards: Sae J1459, Sae J2432
    • Top Width: 1.10
Brand: Dayco
Additional Fitment Information:
Vehicle
2012 - Mack GU4
Dayco
2008 Mack GU7 Serpentine Belt - Alternator and Air Conditioning 6 Cyl 10.8L Dayco

P311-36F4AE4    5080590  New

20545620 , 20908490 , 25-080590 , 25-080590HD , 25-71498 , 31-2634420 , 3288867 , 3613481 , 3903097 , 3911558 , 3966783 , 4080590 , 6732-82-3440 , 88GB457P588 , 8K590 , D1102-6599 , F6HT-8620-ALB , J903097 , J911558 , K080590 , K080590HD , R135196 , R500277

Qty:
In Stock & Ready to Ship
$47.73
Dayco Serpentine Belt  Alternator and Air Conditioning
  • with 59in Long Belt
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 1500.13
      • 59.06
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1515.88
      • 59.68
    • Rib Depth: Standard
    • Rib Profile: Straight Rib
    • Rib Quantity: 8
    • Standards: Sae J1459, Sae J2432
    • Top Width: 1.10
Brand: Dayco
Position: Alternator and Air Conditioning
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2008 - Mack GU7 Alternator and Air Conditioning L 6 Cyl 10.8L 659 -
Dayco
2008 Mack GU8 Serpentine Belt - Alternator 6 Cyl 10.8L Dayco

P311-36F4AE4    5080590  New

Qty:
In Stock & Ready to Ship
$47.73
Dayco Serpentine Belt  Alternator
  • w/o Air Conditioning with 59in Long Belt
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 1500.13
      • 59.06
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1515.88
      • 59.68
    • Rib Depth: Standard
    • Rib Profile: Straight Rib
    • Rib Quantity: 8
    • Standards: Sae J1459, Sae J2432
    • Top Width: 1.10
Brand: Dayco
Position: Alternator
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2008 - Mack GU8 Alternator L 6 Cyl 10.8L 659 -
Dayco
2015 Mack GU4 Serpentine Belt Dayco

P311-4B1601C    5080945  New

01-23415-050 , 01-27110-035 , 02-23415-050 , 1842600C1 , 1871259C1 , 21591998 , 25-080944 , 25-080944HD , 3589394C1 , 3589394C2 , 3621588C1 , 3978282 , 3978283 , 3978284 , 4052358C1 , 4058606C1 , 4080945 , 47550190 , 5256792 , 5256793 , 8K944 , D1108-4870 , D84-1000-1082395 , H177887 , H205240 , K080944 , K080944HD , R134594 , R135189 , R519527 , R524013 , R524065 , R534955 , T184590 , T184595 , T319895 , T320229

Qty:
In Stock & Ready to Ship
$49.90
Dayco Serpentine Belt
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 2400.30
      • 94.50
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 2416.31
      • 95.13
    • Rib Depth: Standard
    • Rib Profile: Straight Rib
    • Rib Quantity: 8
    • Standards: Sae J1459, Sae J2432
    • Top Width: 1.10
Brand: Dayco
Additional Fitment Information:
Vehicle
2015 - Mack GU4
Dayco
2017 Mack GU4 Serpentine Belt - Alternator, Water Pump and Air Conditioning Dayco

P311-4B1601C    5080945  New

Qty:
In Stock & Ready to Ship
$49.90
Dayco Serpentine Belt  Alternator, Water Pump and Air Conditioning
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 2400.30
      • 94.50
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 2416.31
      • 95.13
    • Rib Depth: Standard
    • Rib Profile: Straight Rib
    • Rib Quantity: 8
    • Standards: Sae J1459, Sae J2432
    • Top Width: 1.10
Brand: Dayco
Position: Alternator, Water Pump and Air Conditioning
Additional Fitment Information:
Vehicle Position
2017 - Mack GU4 Alternator, Water Pump and Air Conditioning
Dayco
2009 Mack GU8 Serpentine Belt - Fan 6 Cyl 10.8L Dayco

P311-0C4B0EC    5100746  New

21372808 , K100745

Qty:
In Stock & Ready to Ship
$42.87
Dayco Serpentine Belt  Fan
  • with 74-1/2in Long Belt
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 1895.00
      • 74.606
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1909.20
      • 75.165
    • Rib Depth: Standard
    • Rib Profile: Straight Rib
    • Rib Quantity: 10
    • Standards: Sae J1459, Sae J2432
    • Top Width: 1.38
Brand: Dayco
Position: Fan
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2009 - Mack GU8 Fan L 6 Cyl 10.8L 659 -
Dayco
2010 Mack GU8 Serpentine Belt - Fan 6 Cyl 10.8L Dayco

P311-0C4B0EC    5100746  New

Qty:
In Stock & Ready to Ship
$42.87
Dayco Serpentine Belt  Fan
  • with 74-3/4in Long Belt
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 1895.00
      • 74.606
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1909.20
      • 75.165
    • Rib Depth: Standard
    • Rib Profile: Straight Rib
    • Rib Quantity: 10
    • Standards: Sae J1459, Sae J2432
    • Top Width: 1.38
Brand: Dayco
Position: Fan
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2010 - Mack GU8 Fan L 6 Cyl 10.8L 659 -
Dayco
2014 Mack GU8 Serpentine Belt - Fan 6 Cyl 10.8L Dayco

P311-4B69BF7    5100740  New

10K739 , 20887407 , 21372809 , 25-100739 , 25-100739HD , 4100740 , 88GB447P740 , K100739 , K100739HD

Qty:
In Stock & Ready to Ship
$43.21
Dayco Serpentine Belt  Fan
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 1879.60
      • 74.00
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1893.83
      • 74.56
    • Rib Depth: Standard
    • Rib Profile: Straight Rib
    • Rib Quantity: 10
    • Standards: Sae J1459, Sae J2432
    • Top Width: 1.38
Brand: Dayco
Position: Fan
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2014 - Mack GU8 Fan L 6 Cyl 10.8L 659 -
Dayco
2009 Mack GU8 Serpentine Belt - Fan 6 Cyl 10.8L Dayco

P311-4B69BF7    5100740  New

Qty:
In Stock & Ready to Ship
$43.21
Dayco Serpentine Belt  Fan
  • with 74in Long Belt
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 1879.60
      • 74.00
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1893.83
      • 74.56
    • Rib Depth: Standard
    • Rib Profile: Straight Rib
    • Rib Quantity: 10
    • Standards: Sae J1459, Sae J2432
    • Top Width: 1.38
Brand: Dayco
Position: Fan
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2009 - Mack GU8 Fan L 6 Cyl 10.8L 659 -
Gates
2012 Mack GU4 Serpentine Belt - Fan 6 Cyl 8.9L Gates - FleetRunner Heavy Duty Micro-V Belt

P311-3CEC9F6    K080794HD  New

0123415084 , 21591999 , 2284821029 , 25-080794HD , 2R0903137B , 3664150C1 , 3664150C2 , 3972384 , 4080793 , 793K8MK , 8K794HDV , 8PK2015 , K080794HD

Qty:
In Stock & Ready to Ship
$54.22
Gates Serpentine Belt  Fan
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 2018
      • 79.45
    • Outside Circumference:
      • 2032
      • 80
    • Top Width:
      • 1.087
      • 28
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2012 - Mack GU4 DIESEL Fan L 6 Cyl 8.9L 540 8849
Gates
2013 Mack GU4 Serpentine Belt - Fan 6 Cyl 8.9L Gates - FleetRunner Heavy Duty Micro-V Belt

P311-4C31FBE    K080944HD  New

0123415050 , 0129866399 , 1842600C1 , 21591998 , 25-080944 , 25-080944HD , 3578774C1 , 4052358C1 , 4058606C1 , 4080943 , 4080943AP , 4080943APDYC , 4080945 , 4080945X , 5080945 , 8K944 , 8K944HDV , 8PK2400 , 944K8MK , 945K8 , 945K8MK , D8410001082395 , D8410006082395 , GT4080944 , H177887 , K080944 , K080944HD , R519527 , R524013 , R524065 , T184590

Qty:
In Stock & Ready to Ship
$78.22
Gates Serpentine Belt  Fan
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 2398
      • 94.39
    • Outside Circumference:
      • 2412
      • 94.958
    • Top Width:
      • 1.087
      • 28
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2013 - Mack GU4 DIESEL Fan L 6 Cyl 8.9L 540 8849
Gates
2013 Mack GU4 Serpentine Belt - Fan 6 Cyl 8.9L Gates - Premium OE Micro-V Belt

P311-2BC976D    K080944  New

0123415050 , 0129866399 , 1842600C1 , 21591998 , 25-080944 , 25-080944HD , 3578774C1 , 4052358C1 , 4058606C1 , 4080943 , 4080943AP , 4080943APDYC , 4080945 , 4080945X , 5080945 , 8K944 , 8K944HDV , 8PK2400 , 944K8MK , 945K8 , 945K8MK , D8410001082395 , D8410006082395 , GT4080944 , H177887 , K080944 , K080944HD , R519527 , R524013 , R524065 , T184590

Qty:
In Stock & Ready to Ship
$61.98
Gates Serpentine Belt  Fan
  • Premium OE Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 2398
      • 94.39
    • Outside Circumference:
      • 2412
      • 94.958
    • Top Width:
      • 1.087
      • 28
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2013 - Mack GU4 DIESEL Fan L 6 Cyl 8.9L 540 8849
Gates
Qty:
In Stock & Ready to Ship
$61.98
Gates Serpentine Belt  Fan, Air Conditioning, Alternator and Water Pump
  • Premium OE Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 2398
      • 94.39
    • Outside Circumference:
      • 2412
      • 94.958
    • Top Width:
      • 1.087
      • 28
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan, Air Conditioning, Alternator and Water Pump
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2015 - Mack GU4 DIESEL Fan, Air Conditioning, Alternator and Water Pump L 6 Cyl 8.9L 540 8849
Gates
Qty:
In Stock & Ready to Ship
$78.22
Gates Serpentine Belt  Fan, Air Conditioning, Alternator and Water Pump
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 2398
      • 94.39
    • Outside Circumference:
      • 2412
      • 94.958
    • Top Width:
      • 1.087
      • 28
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan, Air Conditioning, Alternator and Water Pump
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2015 - Mack GU4 DIESEL Fan, Air Conditioning, Alternator and Water Pump L 6 Cyl 8.9L 540 8849
Gates
2008 Mack GU8 Serpentine Belt - Alternator 6 Cyl 10.8L Gates - FleetRunner Heavy Duty Micro-V Belt

P311-38BD4BD    K080590HD  New

00182050 , 1250637H1 , 1306203 , 200571 , 200614 , 201049 , 201173 , 201740 , 202656 , 202688 , 202792 , 20545620 , 205657 , 25-080590 , 25-080590HD , 25-71498 , 2831171 , 2A048-590 , 3288867 , 3903097 , 3911558 , 3966783 , 4080590 , 506200064 , 5080590 , 590K8 , 590K8MK , 71101028 , 7286548 , 740172 , 8182059 , 86982450 , 86982540 , 88GB457P588 , 8K590 , 8PK1495 , 8PK1499 , 8PK1500 , A-590K8 , E5HS 8620 MA , GT4080590 , GT4080590A , GT4080590DF , GTK080590 , J903097 , J911558 , J925953 , K080590 , K080590HD , R135196

Qty:
In Stock & Ready to Ship
$50.95
Gates Serpentine Belt  Alternator
  • W/O A.C.; W/59 1/2" Belt O.C.
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1497
      • 58.95
    • Outside Circumference:
      • 1512
      • 59.5
    • Top Width:
      • 1.087
      • 28
    • Washer Pump Included: Epdm
Brand: Gates
Position: Alternator
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2008 - Mack GU8 DIESEL Alternator L 6 Cyl 10.8L 659 -
Gates
2019 Mack GU8 Serpentine Belt - Alternator 6 Cyl 10.8L Gates - Premium OE Micro-V Belt

P311-0DCB944    K080615  New

0127116011 , 0131214566 , 1257771H1 , 1647791C1 , 16497791C1 , 1682485C1 , 1870655 , 200894 , 200955 , 201036 , 202027 , 202537 , 202560 , 202671 , 202764 , 202787 , 205945 , 22688410 , 25-080615 , 25-080615HD , 25-78061 , 3199573 , 3288944 , 331-9604 , 3905867 , 3911573 , 4080615 , 4831228 , 5080615 , 5080615DR , 615K8 , 615K8MK , 742089 , 8K615 , 8PK1560 , 8PK1563 , A-615K8 , A-J911573 , CQ42066 , D8410003081560 , E4HT 8620 RA , GT4080615 , GT4080615A , GT4080G15 , GTK080615 , J905867 , J911573 , K080615 , K080615HD , L4080615 , R123296 , R123432 , R123450 , R135681 , R504963 , T178420 , V1090176 , V1090935

Qty:
In Stock & Ready to Ship
$46.39
Gates Serpentine Belt  Alternator
  • Premium OE Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1562
      • 61.51
    • Outside Circumference:
      • 1577
      • 62.076
    • Top Width:
      • 1.087
      • 28
    • Washer Pump Included: Epdm
Brand: Gates
Position: Alternator
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2019 - Mack GU8 DIESEL Alternator L 6 Cyl 10.8L 659 -
Gates
2017 Mack GU7 Serpentine Belt - Alternator 6 Cyl 10.8L Gates - FleetRunner Heavy Duty Micro-V Belt

P311-43A8CD4    K080615HD  New

0127116011 , 0131214566 , 1257771H1 , 1647791C1 , 16497791C1 , 1682485C1 , 1870655 , 200894 , 200955 , 201036 , 202027 , 202537 , 202560 , 202671 , 202764 , 202787 , 205945 , 22688410 , 25-080615 , 25-080615HD , 25-78061 , 3199573 , 3288944 , 331-9604 , 3905867 , 3911573 , 4080615 , 4831228 , 5080615 , 5080615DR , 615K8 , 615K8MK , 742089 , 8K615 , 8PK1560 , 8PK1563 , A-615K8 , A-J911573 , CQ42066 , D8410003081560 , E4HT 8620 RA , GT4080615 , GT4080615A , GT4080G15 , GTK080615 , J905867 , J911573 , K080615 , K080615HD , L4080615 , R123296 , R123432 , R123450 , R135681 , R504963 , T178420 , V1090176 , V1090935

Qty:
In Stock & Ready to Ship
$64.99
Gates Serpentine Belt  Alternator
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1562
      • 61.51
    • Outside Circumference:
      • 1577
      • 62.076
    • Top Width:
      • 1.087
      • 28
    • Washer Pump Included: Epdm
Brand: Gates
Position: Alternator
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2017 - Mack GU7 DIESEL Alternator L 6 Cyl 10.8L 659 -