Roadmax 8K1265AP Serpentine Belt

Roadmax 8K1265AP Serpentine Belt Overview

The Roadmax 8K1265AP is a standard automotive V-ribbed belt built for accessory drive service on select Ford Super Duty trucks. It uses EPDM construction with polyester cord reinforcement to deliver a practical OE-style replacement for everyday repair needs.

For shoppers looking for a budget-conscious serpentine belt for Ford F-250 Super Duty and Ford F-350 Super Duty applications, this belt provides the correct 8-rib, K-section profile and the specified effective length for listed vehicles.

Key Features

• Part number: 8K1265AP
• Automotive V-ribbed belt, standard type
• EPDM belt material for accessory drive service
• Polyester cord material for reinforcement
• 8-rib design with K cross section
• Effective length: 126.5 in. / 3213 mm
• Outside circumference: 127.07 in. / 3228 mm
• Top width: 1.087 in. / 28 mm

Product Details

Roadmax positions the 8K1265AP as a value-focused belt line for customers who want dependable quality without stepping up to a premium-performance belt. This serpentine belt is built for accessory drive system use and is listed for select 2003-2007 Ford F-250 Super Duty and Ford F-350 Super Duty models with a single alternator, including 2006 applications that exclude the F53 stripped chassis. This part cross-references Gates K081265 and Dayco 5081265 for the same application.

Compatible With: Fits 2003-2005 Ford F-250 Super Duty, N/A; Fits 2003-2005 Ford F-350 Super Duty, N/A; Fits 2006 Ford F-250 Super Duty, N/A; Fits 2006 Ford F-350 Super Duty, N/A; Fits 2007 Ford F-250 Super Duty, N/A; Fits 2007 Ford F-350 Super Duty, N/A.

Common Issues This Belt Can Address

• Cracking or glazing on the existing serpentine belt
• Squealing from a worn accessory drive belt
• Belt wear from age, heat, and mileage
• Loss of proper drive for engine accessories
• Replacement needs during routine belt service

Installation Notes and Tips

Verify the vehicle’s engine configuration and accessory layout before ordering, especially on Ford F-250 Super Duty and Ford F-350 Super Duty trucks with a single alternator. Match the belt length, rib count, and cross section to the original belt specification, and inspect pulleys, tensioner operation, and accessory alignment during installation.

Quality Assurance

This Roadmax standard V-ribbed belt uses EPDM construction and polyester cord reinforcement for accessory drive applications. It is intended as a practical replacement option within the Roadmax Automotive V-Ribbed Belt (Standard) line.