Roadmax 6K866AP Serpentine Belt

Roadmax 6K866AP Serpentine Belt Overview

The Roadmax 6K866AP is an automotive V-ribbed belt built for OE performance in a standard-duty design. Made with EPDM and polyester cord reinforcement, it is sized for applications that call for a 6-rib serpentine belt with an effective length of 2200 mm (86.64 in.) and an outside circumference of 2219 mm (87.37 in.).

Roadmax positions this belt line for budget-conscious buyers who want dependable quality without stepping up to a premium-performance belt. The 6K866AP is a direct-fit option for a wide range of Mitsubishi, Ford, Mazda, Jeep, Dodge, and Mercury applications, including Mitsubishi Outlander Sport, Mitsubishi RVR, and Mitsubishi Outlander coverage.

Key Features

• EPDM construction for modern accessory drive belt service
• Polyester cord material for reinforced belt stability
• 6-rib cross section for serpentine drive applications
• Top width of 20 mm (.807 in.)
• Effective length of 2200 mm (86.64 in.)
• Outside circumference of 2219 mm (87.37 in.)
• OE Performance grade type in a standard automotive V-ribbed belt design

Product Details

The Roadmax 6K866AP serpentine belt is engineered for accessory drive systems that rely on a precise rib profile and length match. Its EPDM rubber construction is paired with polyester cord reinforcement to support consistent belt tracking in everyday OE-style service. This part number, 6K866AP, also cross-references Gates K060866 for the same application.

Compatible vehicle coverage includes long-tail search applications such as a serpentine belt for 2013-2025 Mitsubishi Outlander Sport, a drive belt for 2014-2022 Mitsubishi Outlander, and a serpentine belt for 2003-2008 Ford Ranger. It also applies to Mitsubishi RVR, Mitsubishi Lancer, Dodge Nitro, Jeep Commander, Jeep Grand Cherokee, Ford Explorer, Ford Explorer Sport Trac, Ford Explorer Sport, Mercury Mountaineer, and Mazda B4000 applications listed in the fitment data.

Common Uses

• Replacing a worn or cracked accessory drive belt
• Restoring proper belt tracking in a serpentine drive system
• Addressing squeal caused by belt wear or glazing
• Correcting belt stretch that affects accessory operation
• Servicing OE-style belt applications on Mitsubishi Outlander Sport, Mitsubishi RVR, and Ford Ranger

Installation Notes

Verify belt length, rib count, and cross-section before installation. This belt uses a K cross section with 6 ribs, so the pulley path and tensioner condition should be checked during service. Confirm the vehicle build date where noted in the fitment data, including 2012 Mitsubishi Outlander Sport and 2012 Mitsubishi RVR applications that require Feb. 1, 2012 and newer coverage. Inspect idlers, tensioners, and pulley alignment before installing the new belt.

Quality Assurance

Roadmax markets the Automotive V-Ribbed Belt (Standard) line as an OE-performance option for buyers seeking dependable replacement quality in a standard belt format. The 6K866AP is built to match the dimensional and material requirements called out for its listed applications.