Finish Selecting Your Vehicle to Shop For Your Serpentine Belt

Choose a Year for your Mack 's Serpentine Belt

  • 2018
  • 2017
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  • 2008

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 Gu5 Serpentine Belts

  • We Stock the following top leading brands, including Dayco, Gates
  • Constantly Updated Inventory of Mack Gu5 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 GU5 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 GU5
Dayco
2015 Mack GU5 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 GU5
Dayco
2009 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
2009 - 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
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 GU7 DIESEL Fan and Water Pump - 6 Cyl 12.8L 783 -
Gates
2012 Mack GU5 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 GU5 DIESEL Fan L 6 Cyl 8.9L 540 8849
Gates
2013 Mack GU5 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 GU5 DIESEL Fan L 6 Cyl 8.9L 540 8849
Gates
2013 Mack GU5 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 GU5 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
2016 - Mack GU5 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 GU5 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 - Premium OE Micro-V Belt

P311-3920E5F    K080590  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
$45.57
Gates Serpentine Belt  Alternator
  • W/O A.C.; W/59 1/2" Belt O.C.
  • Premium OE Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1497
      • 58.95
    • Outside Circumference:
      • 1512
      • 59.511
    • 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
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 -