Gates K081264HD Serpentine Belt
OE Quality 60-Day Returns
Gates
 FleetRunner Heavy Duty Micro-V Belt

Gates K081264HD Serpentine Belt

Brand Gates K081264HD
Top Width 1.087
Top Width 28
Cord Material Polyester
Cross Section Designation K
Effective Length 126.5
Effective Length 3213
Outside Circumference 127
Outside Circumference 3227
Type Automotive v-ribbed belt (heavy duty)
Rib Quantity 8
Washer Pump Included Epdm
Belt Material Epdm
Cord Material Polyester
OE Comparison Rating Oe improved
Section K
Type Automotive v-ribbed belt (heavy duty)
Product line FleetRunner Heavy Duty Micro-V Belt
Fits Dodge and Ram · 44 vehicles

Heavy-duty Micro-V belt. Patented EPDM construction adds durability, flexibility, and longer service life.

OE improved rating. Built as an upgraded replacement for dependable accessory drive performance.

Polyester cord reinforcement. Adds stability for demanding drive systems and helps reduce downtime.

Cross-references Bando 8PK3210, Continental 4081261 and Continental 4081265F for the same application. See all 18.

$79.73Free shipping
In stock · usually ships same day before 1pm CST
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Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Serpentine Belt options

Heavy-Duty Belt for Ram Applications

The Gates FleetRunner Heavy Duty Micro-V Belt K081264HD is a heavy-duty serpentine belt built for accessory drive systems that see demanding service. It uses EPDM construction with a polyester cord and a green overcord for added durability, flexibility, and stability in fleet use.

Compatible with 2003-2010 Dodge Ram 2500 and 2003-2010 Dodge Ram 3500, plus 2011-2012 Ram 2500 and 2011-2012 Ram 3500 with HVAC heater hose with A/C notes, this belt is a direct-fit option for the listed serpentine belt applications. The Gates K081264HD is also an OE Improved replacement for drivers looking for a heavy-duty Micro-V belt solution.

Key Features

  • Gates FleetRunner Heavy Duty Micro-V Belt
  • Part number: K081264HD
  • 8-rib automotive V-ribbed belt design
  • EPDM belt material for heavy-duty accessory drive service
  • Polyester cord construction for strength and stability
  • OE Improved rating for the listed applications
  • Cross section: K
  • Effective length: 126.5 in. / 3213 mm
  • Outside circumference: 127 in. / 3227 mm
  • Top width: 1.087 in. / 28 mm

Product Details

Gates FleetRunner Heavy-Duty Micro-V belts are built for commercial and fleet vehicles that need consistent accessory drive performance. The EPDM construction helps the belt maintain flexibility and wear resistance under heavy-duty operating conditions, while the polyester cord supports dimensional stability. For Dodge Ram 2500, Dodge Ram 3500, Ram 2500, and Ram 3500 trucks in the listed years, K081264HD provides the correct fitment for the serpentine belt application.

This part cross-references Bando 8PK3210 and Dayco 5081260 for the same application.

What It Helps Address

  • Squealing or slipping accessory drive belt noise
  • Cracking, glazing, or visible wear on the existing serpentine belt
  • Loss of belt tension or inconsistent drive performance
  • Accessory drive issues affecting alternator, power steering, or A/C operation
  • Downtime caused by worn heavy-duty belt components

Installation Notes and Tips

Verify belt routing against the vehicle’s accessory drive diagram before installation. Inspect pulleys, tensioners, and idlers for wear or misalignment, since those conditions can shorten belt life. Confirm the application by year, make, model, and engine/accessory configuration before ordering K081264HD.

Quality Assurance

Gates FleetRunner Heavy Duty Micro-V belts are engineered for demanding fleet service with EPDM construction and a durable polyester cord structure. The OE Improved rating supports confident replacement selection for the listed Ram and Dodge Ram applications.

Related reading

This part fits 44 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypeNotes
2012Ram25006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2012Ram35006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2012Ram45006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2012Ram55006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2011Ram25006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2011Ram35006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2011Ram45006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2011Ram55006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2010DodgeRam 25006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2010DodgeRam 35006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2010DodgeRam 45006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2010DodgeRam 55006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2010Sterling TruckBullet 456.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2010Sterling TruckBullet 556.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2009DodgeRam 25005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2009DodgeRam 25006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2009DodgeRam 35006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2009DodgeRam 45006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2009DodgeRam 55006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2009Sterling TruckBullet 456.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2009Sterling TruckBullet 556.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2008DodgeRam 25005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2008DodgeRam 25006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2008DodgeRam 35005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2008DodgeRam 35006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2008DodgeRam 40005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2008DodgeRam 45006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2008DodgeRam 55006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2008Sterling TruckBullet 456.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2008Sterling TruckBullet 556.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2007DodgeRam 25005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2007DodgeRam 25006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2007DodgeRam 35005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2007DodgeRam 35006.7LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2007DodgeRam 40005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2006DodgeRam 25005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2006DodgeRam 35005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2006DodgeRam 40005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2005DodgeRam 25005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2005DodgeRam 35005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2004DodgeRam 25005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2004DodgeRam 35005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2003DodgeRam 25005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
2003DodgeRam 35005.9LL6DIESELHVAC heater hose with A/C, fits Serpentine Belt application.; FleetRunner Heavy Duty Micro-V Belt
Directly replaces or cross-references 18 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Bando — 8PK3210Continental — 4081261Continental — 4081265FDayco — 5081260Gates — K081264Gates — K081264HDMopar — 53041138AERoadmax — 8K1264AP8K126425-08126425-081264HD1260K81261K8MK53041138AA53041138AC506200043AC602445QJK81270