Gates K081264HD Serpentine Belt

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.