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Shop By Brand

The Following brands are available based on your search.

  • Bando
    Bando
  • Dayco
    Dayco
  • Gates
    Gates
  • Powermaster
    Powermaster

Shop By Related Serpentine Belt Parts

Shop below for all Serpentine Belt related parts for your Mack GU8


Shop for Top Selling Genuine Mack Gu8 Serpentine Belts

  • We Stock the following top leading brands, including Dayco, Gates
  • Constantly Updated Inventory of Mack Gu8 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
2009 Mack GU8 Serpentine Belt - Alternator 6 Cyl 10.8L Dayco

P311-11625E2    5080585  New

01-24587-000 , 01-24587-005 , 20430610 , 21556636 , 25-080585 , 25-080585HD , 25-71486 , 3034945 , 3081862 , 3288845 , 3288856 , 3508739 , 3613527 , 3620671 , 3921603 , 3925953 , 3942943 , 4080585 , 585K8 , 587892-C1 , 6738-62-4120 , 8500091 , 86982450 , 88GB444P585 , 8K585 , 97-6079-00014A , A906 997 0792 , D1102-6543 , F3HT-8620-TA , GT4080585 , J921603 , J925953 , K080585 , K080585HD , R500616 , R501007 , R501017 , V1090166 , V1090933

Qty:
In Stock & Ready to Ship
$43.13
Dayco Serpentine Belt  Alternator
  • w/o Air Conditioning with 58-1/2in Long Belt
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 1485.90
      • 58.50
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1501.91
      • 59.13
    • 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
2009 - Mack GU8 Alternator L 6 Cyl 10.8L 659 -
Dayco
2014 Mack GU8 Serpentine Belt - Alternator and Air Conditioning 6 Cyl 12.8L Dayco

P311-1E194A0    5080630  New

1657198-C1 , 20545619 , 20582252 , 20582552 , 21556637 , 21556639 , 25-080630 , 25-080630HD , 25-78063 , 3288988 , 3288999 , 3911575 , 3924020 , 3978277 , 4080630 , 630K8 , 6732-82-3530 , 6732-82-3560 , 88GB457P630 , 8K630 , A012 997 2392 , D1102-7383 , F3HT-8620-KA , J901599 , J911575 , K080630 , K080630HD , R123306 , R123445 , R544384 , T195187 , T227384

Qty:
In Stock & Ready to Ship
$44.25
Dayco Serpentine Belt  Alternator and Air Conditioning
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 1600.20
      • 63.00
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1616.21
      • 63.63
    • 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
2014 - Mack GU8 Alternator and Air Conditioning L 6 Cyl 12.8L 780 -
Dayco
2010 Mack GU8 Serpentine Belt - Alternator and Air Conditioning 6 Cyl 10.8L Dayco

P311-1E194A0    5080630  New

Qty:
In Stock & Ready to Ship
$44.25
Dayco Serpentine Belt  Alternator and Air Conditioning
  • with 63in Long Belt
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 1600.20
      • 63.00
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1616.21
      • 63.63
    • 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
2010 - Mack GU8 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

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
  • 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
2013 Mack GU8 Serpentine Belt - Fan 6 Cyl 10.8L Dayco

P311-563EA80    6100741  New

21056222 , 21372809

Qty:
In Stock & Ready to Ship
$58.85
Dayco Serpentine Belt  Fan
  • Double Sided Belt
  • Product Attributes:
    • Cross Section: Double Sided K-section
    • Effective Length:
      • 1882.91
      • 74.13
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1905.26
      • 75.01
    • Rib Depth: Standard
    • Rib Profile: Straight Rib, Double Sided
    • 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
2013 - Mack GU8 Fan L 6 Cyl 10.8L 659 -
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 -
Gates
2017 Mack GU8 Serpentine Belt - Fan 6 Cyl 12.8L Gates - FleetRunner Heavy Duty Micro-V Belt

P311-442E646    K100761HD  New

08271124 , 21372816 , 25-100761HD , 3106251 , K100761HD

Qty:
In Stock & Ready to Ship
$69.63
Gates Serpentine Belt  Fan
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1934
      • 76.16
    • Outside Circumference:
      • 1949
      • 76.75
    • Rib Quantity: 10
    • Top Width:
      • 1.367
      • 35
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2017 - Mack GU8 DIESEL Fan - 6 Cyl 12.8L 783 -
Gates
Qty:
In Stock & Ready to Ship
$69.63
Gates Serpentine Belt  Fan and Water Pump
  • W/700 Series
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1934
      • 76.16
    • Outside Circumference:
      • 1949
      • 76.75
    • Rib Quantity: 10
    • Top Width:
      • 1.367
      • 35
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan and Water Pump
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2012 - Mack GU8 DIESEL Fan and Water Pump - 6 Cyl 12.8L 783 -
Dayco
2010 Mack GU8 Serpentine Belt - Fan 6 Cyl 12.8L Dayco

P311-0ADA5F1    5120788  New

20582559 , 20886339 , 21372815 , 21379938 , 25-120786HD , 4120789 , K120786HD , T180675

Qty:
In Stock & Ready to Ship
$55.15
Dayco Serpentine Belt  Fan
  • with 12 Rib Belt
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 2000.00
      • 78.74
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 2014.22
      • 79.30
    • Rib Depth: Standard
    • Rib Profile: Straight Rib
    • Rib Quantity: 12
    • Standards: Sae J1459, Sae J2432
    • Top Width: 1.66
Brand: Dayco
Position: Fan
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2010 - Mack GU8 Fan L 6 Cyl 12.8L 780 -
Gates
2018 Mack GU8 Serpentine Belt - Fan and Water Pump 6 Cyl 10.8L Gates - Premium OE Dual Sided Micro-V Belt

P311-3D5D52C    DK100672  New

10DK672 , 21056225 , 25-D100672 , 6100672 , DK100672

Qty:
In Stock & Ready to Ship
$49.29
Gates Serpentine Belt  Fan and Water Pump
  • Premium OE Dual Sided Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1708
      • 67.24
    • Outside Circumference:
      • 1737
      • 68.375
    • Rib Quantity: 10
    • Top Width:
      • 1.367
      • 35
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan and Water Pump
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2018 - Mack GU8 DIESEL Fan and Water Pump L 6 Cyl 10.8L 659 -
Dayco
2016 Mack GU8 Serpentine Belt - Fan and Water Pump 6 Cyl 12.8L Dayco

P311-0ADA5F1    5120788  New

Qty:
In Stock & Ready to Ship
$55.15
Dayco Serpentine Belt  Fan and Water Pump
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 2000.00
      • 78.74
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 2014.22
      • 79.30
    • Rib Depth: Standard
    • Rib Profile: Straight Rib
    • Rib Quantity: 12
    • Standards: Sae J1459, Sae J2432
    • Top Width: 1.66
Brand: Dayco
Position: Fan and Water Pump
Additional Fitment Information:
Vehicle Position Block Engine CID CC
2016 - Mack GU8 Fan and Water Pump L 6 Cyl 12.8L 780 -
Gates
2014 Mack GU8 Serpentine Belt - Fan and Water Pump 6 Cyl 12.8L Gates - FleetRunner Heavy Duty Micro-V Belt

P311-479138C    K120784HD  New

12K784 , 20886347 , 21372811 , 25-120784 , 25-120784HD , 4120786 , 5120783 , K120784HD

Qty:
In Stock & Ready to Ship
$75.13
Gates Serpentine Belt  Fan and Water Pump
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1992
      • 78.44
    • Outside Circumference:
      • 2007
      • 79
    • Rib Quantity: 12
    • Top Width:
      • 1.647
      • 42
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan and Water Pump
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2014 - Mack GU8 DIESEL Fan and Water Pump - 6 Cyl 12.8L 783 -
Gates
2011 Mack GU8 Serpentine Belt - Fan and Water Pump 6 Cyl 12.8L Gates - FleetRunner Heavy Duty Micro-V Belt

P311-5ECEE89    K100764HD  New

10PK1943 , 20582563 , 21372850 , 25-100764HD , 4100764 , 5100746 , 5100764 , K100764HD

Qty:
In Stock & Ready to Ship
$51.05
Gates Serpentine Belt  Fan and Water Pump
  • W/700 Series
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1943
      • 76.48
    • Outside Circumference:
      • 1957
      • 77
    • Rib Quantity: 10
    • Top Width:
      • 1.367
      • 35
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan and Water Pump
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2011 - Mack GU8 DIESEL Fan and Water Pump - 6 Cyl 12.8L 783 -
Gates
Qty:
In Stock & Ready to Ship
$51.05
Gates Serpentine Belt  Fan and Water Pump
  • W/10-Ribbed Belt
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1943
      • 76.48
    • Outside Circumference:
      • 1957
      • 77
    • Rib Quantity: 10
    • Top Width:
      • 1.367
      • 35
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan and Water Pump
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2009 - Mack GU8 DIESEL Fan and Water Pump - 6 Cyl 12.8L 783 -
Gates
2014 Mack GU8 Serpentine Belt - Fan and Water Pump 6 Cyl 12.8L Gates - Premium OE Micro-V Belt

P311-55A774C    K120784  New

12K784 , 20886347 , 21372811 , 25-120784 , 25-120784HD , 4120786 , 5120783 , K120784HD

Qty:
In Stock & Ready to Ship
$50.87
Gates Serpentine Belt  Fan and Water Pump
  • Premium OE Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1992
      • 78.44
    • Outside Circumference:
      • 2007
      • 79
    • Rib Quantity: 12
    • Top Width:
      • 1.647
      • 42
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan and Water Pump
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2014 - Mack GU8 DIESEL Fan and Water Pump - 6 Cyl 12.8L 783 -
Dayco
2015 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
2015 - Mack GU8 Fan L 6 Cyl 10.8L 659 -
Dayco
2010 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
2010 - Mack GU8 Fan L 6 Cyl 10.8L 659 -
Gates
2017 Mack GU8 Serpentine Belt - Fan 6 Cyl 10.8L Gates - FleetRunner Heavy Duty Micro-V Belt

P311-331B2BC    K100745HD  New

1847732C1 , 20885394 , 21372807 , 21372808 , 22696221 , 22696223 , 25-100745HD , 4100745 , 4375174M1 , 88GB470P746 , K100745HD

Qty:
In Stock & Ready to Ship
$51.00
Gates Serpentine Belt  Fan
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1893
      • 74.52
    • Outside Circumference:
      • 1907
      • 75.125
    • Rib Quantity: 10
    • Top Width:
      • 1.367
      • 35
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2017 - Mack GU8 DIESEL Fan L 6 Cyl 10.8L 659 -
Gates
Qty:
In Stock & Ready to Ship
$51.00
Gates Serpentine Belt  Fan and Water Pump
  • W/75" Belt O.C.
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1893
      • 74.52
    • Outside Circumference:
      • 1907
      • 75.125
    • Rib Quantity: 10
    • Top Width:
      • 1.367
      • 35
    • Washer Pump Included: Epdm
Brand: Gates
Position: Fan and Water Pump
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2009 - Mack GU8 DIESEL Fan and Water Pump L 6 Cyl 10.8L 659 -