Gates
FleetRunner Heavy Duty Micro-V Belt

Gates K081294HD Serpentine Belt

Brand Gates K081294HD
Top Width 1.087
Top Width 28
Cord Material Polyester
Cross Section Designation K
Effective Length 129.41
Effective Length 3287
Outside Circumference 130.17
Outside Circumference 3306
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 Ram · 28 vehicles

OE improved replacement. Heavy-duty serpentine belt built for dependable accessory drive performance.

EPDM construction. Distinct green overcord adds durability, flexibility, stability, and longer life.

Polyester cord reinforcement. Helps the belt hold its shape under demanding drive conditions.

Cross-references Gates K081294HD, 8K1294 and 25-081294 for the same application. See all 5.

$59.06Free shipping
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Free returns within 60 days if it doesn't fit when fitment is verified.

Gates FleetRunner Belt for Heavy-Duty Ram Applications

The Gates FleetRunner Heavy Duty Micro-V Belt is built for demanding accessory drive systems that need stable operation and long service life. This K081294HD serpentine belt uses EPDM construction, a polyester cord, and an 8-rib design to deliver the flexibility and durability expected in heavy-duty service.

Compatible with 2019-2025 Ram 2500 and 2019-2025 Ram 3500 models with dual alternators, this belt is a direct-fit option for heavy-duty Ram accessory drive belt replacement. The distinct green overcord identifies the FleetRunner Heavy-Duty Micro-V belt line and reflects Gates’ focus on reduced downtime in fleet use.

Key Features

  • Part number: K081294HD
  • FleetRunner Heavy Duty Micro-V Belt line from Gates
  • 8-rib automotive V-ribbed belt for heavy-duty drives
  • EPDM belt material for durability and stable performance
  • Polyester cord construction for strength and flexibility
  • OE Improved rating for upgraded service characteristics
  • Effective length: 129.41 in. / 3287 mm
  • Outside circumference: 130.17 in. / 3306 mm
  • Top width: 1.087 in. / 28 mm

Heavy-Duty Belt Line Details

Gates FleetRunner Heavy-Duty Micro-V belts are engineered for fleet and commercial use where accessory drive reliability matters. The EPDM construction is selected for wear resistance and long-term stability, while the belt profile supports consistent grip across heavy-duty pulleys. For Ram 2500 and Ram 3500 trucks with dual alternators, K081294HD provides the correct heavy-duty belt configuration for the application.

This part cross-references 8K1294 and 5281817AA for the same application.

What This Belt Helps Address

  • Squealing or slipping from a worn serpentine belt
  • Cracking, glazing, or fraying on the accessory drive belt
  • Loss of belt tension stability in heavy-duty service
  • Charging-system issues related to belt wear on dual-alternator Ram trucks
  • Downtime caused by premature belt replacement intervals

Installation Notes and Tips

Verify the belt routing and confirm dual-alternator configuration before installation. Inspect pulleys, tensioners, and idlers for wear or misalignment, since those conditions can shorten belt life. Compare the removed belt to K081294HD to confirm length, rib count, and section match before final installation.

Quality Assurance

Gates FleetRunner Heavy Duty Micro-V belts use patented EPDM construction and a heavy-duty design approach aimed at durability, flexibility, and stable operation in demanding accessory drive systems. K081294HD is an OE Improved belt option for Ram heavy-duty applications.

  • Fits 2019-2025 Ram 2500, N/A; W/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
  • Fits 2019-2025 Ram 3500, N/A; W/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
This part fits 28 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersFuel TypeNotes
2025Ram25006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2025Ram35006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2025Ram45006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2025Ram55006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2024Ram25006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2024Ram35006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2024Ram45006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2024Ram55006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2023Ram25006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2023Ram35006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2023Ram45006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2023Ram55006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2022Ram25006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2022Ram35006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2022Ram45006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2022Ram55006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2021Ram25006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2021Ram35006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2021Ram45006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2021Ram55006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2020Ram25006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2020Ram35006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2020Ram45006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2020Ram55006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2019Ram25006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2019Ram35006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2019Ram45006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
2019Ram55006.7LL6DIESELW/Dual Alts.; FleetRunner Heavy Duty Micro-V Belt
Directly replaces or cross-references 5 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Gates — K081294HD8K129425-08129425-081294HD5281817AA