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Choose a Year for your Mack 's Serpentine Belt

  • 2023
  • 2022
  • 2021
  • 2020
  • 2019
  • 2016

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 Lr Serpentine Belts

  • We Stock the following top leading brands, including Dayco, Gates
  • Constantly Updated Inventory of Mack Lr 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
2021 Mack LR Serpentine Belt - Alternator 6 Cyl 10.8L Dayco

P311-15B2DB8    5080615  New

01-27116-011 , 15572637 , 1647791-C1 , 1682485-C1 , 25-080615 , 25-080615HD , 25-78061 , 3288944 , 3364301 , 3551806C1 , 3664301 , 3731615 , 3905867 , 3911573 , 3990774 , 4080615 , 615K8 , 6732-81-3551 , 88GB444P615 , 8K615 , 981631 , D1102-7375 , E4HT-8620-RA , GT4080615 , J905867 , J911573 , K080615 , K080615HD , R123296 , R123432 , R123450 , R135681 , R504963 , T178420 , V1090176 , V1090935

Qty:
In Stock & Ready to Ship
$47.71
Dayco Serpentine Belt  Alternator
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 1562.10
      • 61.50
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1578.11
      • 62.13
    • 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
2021 - Mack LR Alternator L 6 Cyl 10.8L 659 -
Gates
2016 Mack LR600 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
2016 - Mack LR600 DIESEL Fan and Water Pump L 6 Cyl 10.8L 659 -
Gates
2021 Mack LR Serpentine Belt - Fan 6 Cyl 10.8L Gates - FleetRunner Heavy Duty Micro-V Belt

P311-4CE1742    K100675HD  New

0124894002 , 0131893715 , 0132731715 , 10K675 , 10PK1715 , 124894002 , 131893715 , 132731715 , 208127 , 20927804 , 21531745 , 22696211 , 22707521 , 25-100675 , 25-100675HD , 2947664 , 2947665 , 3661821 , 3681821 , 4100675 , 504056043 , 5801496097 , 675K10MK , 7421531741 , 7422707520 , 88GB458P661 , GT4100675 , K100675 , K100675HD

Qty:
In Stock & Ready to Ship
$60.86
Gates Serpentine Belt  Fan
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1714
      • 67.49
    • Outside Circumference:
      • 1728
      • 68
    • 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
2021 - Mack LR DIESEL Fan L 6 Cyl 10.8L 659 -
Gates
2021 Mack LR Serpentine Belt - Fan 6 Cyl 10.8L Gates - Premium OE Micro-V Belt

P311-0A55C01    K100675  New

0124894002 , 0131893715 , 0132731715 , 10K675 , 10PK1715 , 124894002 , 131893715 , 132731715 , 208127 , 20927804 , 21531745 , 22696211 , 22707521 , 25-100675 , 25-100675HD , 2947664 , 2947665 , 3661821 , 3681821 , 4100675 , 504056043 , 5801496097 , 675K10MK , 7421531741 , 7422707520 , 88GB458P661 , GT4100675 , K100675 , K100675HD

Qty:
In Stock & Ready to Ship
$48.46
Gates Serpentine Belt  Fan
  • Premium OE Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1714
      • 67.49
    • Outside Circumference:
      • 1728
      • 68.05
    • 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
2021 - Mack LR DIESEL Fan L 6 Cyl 10.8L 659 -
Dayco
2021 Mack LR Serpentine Belt - Fan 6 Cyl 10.8L Dayco

P311-22760C9    5100678  New

01-24894-002 , 10K675 , 10K677 , 20927804 , 25-100675 , 25-100675HD , 25-100677 , 25-100677HD , 3681233 , 4100675 , 4100677 , 88GB447P676 , 88GB449P678 , 88GB452P678 , 88GB458678 , 88GB458P678 , K100675HD , K100677 , K100677HD

Qty:
In Stock & Ready to Ship
$30.66
Dayco Serpentine Belt  Fan
  • Product Attributes:
    • Cross Section: K-section
    • Effective Length:
      • 1720.85
      • 67.75
    • Maximum Operating Temperature:
      • 100
      • 212
    • Minimum Operating Temperature:
      • -42.7
      • -45
    • Outside Circumference:
      • 1736.86
      • 68.38
    • 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
2021 - Mack LR Fan L 6 Cyl 10.8L 659 -
Gates
2016 Mack LR600 Serpentine Belt - Alternator and Air Conditioning 6 Cyl 10.8L Gates - FleetRunner Heavy Duty Micro-V Belt

P311-113456B    K080623HD  New

0123415005 , 0127116006 , 200895 , 200933 , 201043 , 201044 , 201136 , 201785 , 202668 , 202672 , 202761 , 202765 , 202786 , 202788 , 202841 , 204455 , 204657 , 205138 , 205627 , 208264 , 208816 , 21460409 , 21460410 , 220-2945 , 25-080623 , 25-080623HD , 25-71582 , 30-3469220 , 3290185 , 3901309 , 3902309 , 3911570 , 4080622 , 4080622X , 4080625 , 5080622 , 5080625DR , 625K8 , 8K623 , 8K623HDV , 8PK1582 , 8PK1585 , 8PK1590 , 981461 , A-623K8 , D121775 , F3HT 8620 KA , GTK080623 , J902309 , J911570 , K080623 , K080623HD , R123442 , R518234 , R531353 , SE3902309

Qty:
In Stock & Ready to Ship
$69.06
Gates Serpentine Belt  Alternator and Air Conditioning
  • FleetRunner Heavy Duty Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1584
      • 62.37
    • Outside Circumference:
      • 1598
      • 62.93
    • Top Width:
      • 1.087
      • 28
    • Washer Pump Included: Epdm
Brand: Gates
Position: Alternator and Air Conditioning
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2016 - Mack LR600 DIESEL Alternator and Air Conditioning L 6 Cyl 10.8L 659 -
Gates
2016 Mack LR600 Serpentine Belt - Alternator and Air Conditioning 6 Cyl 10.8L Gates - Premium OE Micro-V Belt

P311-3D364EF    K080623  New

0123415005 , 0127116006 , 200895 , 200933 , 201043 , 201044 , 201136 , 201785 , 202668 , 202672 , 202761 , 202765 , 202786 , 202788 , 202841 , 204455 , 204657 , 205138 , 205627 , 208264 , 208816 , 21460409 , 21460410 , 220-2945 , 25-080623 , 25-080623HD , 25-71582 , 30-3469220 , 3290185 , 3901309 , 3902309 , 3911570 , 4080622 , 4080622X , 4080625 , 5080622 , 5080625DR , 625K8 , 8K623 , 8K623HDV , 8PK1582 , 8PK1585 , 8PK1590 , 981461 , A-623K8 , D121775 , F3HT 8620 KA , GTK080623 , J902309 , J911570 , K080623 , K080623HD , R123442 , R518234 , R531353 , SE3902309

Qty:
In Stock & Ready to Ship
$56.51
Gates Serpentine Belt  Alternator and Air Conditioning
  • Premium OE Micro-V Belt
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 1584
      • 62.37
    • Outside Circumference:
      • 1598
      • 62.93
    • Top Width:
      • 1.087
      • 28
    • Washer Pump Included: Epdm
Brand: Gates
Position: Alternator and Air Conditioning
Additional Fitment Information:
Vehicle Fuel Type Position Block Engine CID CC
2016 - Mack LR600 DIESEL Alternator and Air Conditioning L 6 Cyl 10.8L 659 -
Gates
2021 Mack LR 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
2021 - Mack LR DIESEL Alternator L 6 Cyl 10.8L 659 -
Gates
2021 Mack LR 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
2021 - Mack LR DIESEL Alternator L 6 Cyl 10.8L 659 -
Gates
Serpentine Belt Gates

P311-1A8E5EF    K060828HD  New

0039938796 , 1340A124 , 1F2018381 , 1L5Z 8620 AC , 25-060828 , 25-060828HD , 6K828 , 6PK2105 , 830K6MK , 88GB459P825 , A0089973692 , AH226C301BA , K060828 , K060828HD , LR013697

Qty:
In Stock & Ready to Ship
$72.27
  • Product Attributes:
    • Cord Material: Polyester
    • Cross Section Designation: K
    • Effective Length:
      • 2105
      • 82.87
    • Outside Circumference:
      • 2118
      • 83.375
    • Rib Quantity: 6
    • Top Width:
      • .807
      • 20
    • Washer Pump Included: Epdm

  • This is a Universal/Non Application Specific Product. To install this part, you made need to cut, weld, or make other modifications to your vehicle.
Brand: Gates
Additional Fitment Information:
Vehicle