Roadmax 6K642AP Serpentine Belt - Accessory Drive, Fan or Alternator and Air Conditioning

Roadmax 6K642AP Serpentine Belt Overview

The Roadmax 6K642AP is an automotive V-ribbed belt built for accessory drive service where a standard replacement belt is needed. Made with EPDM and polyester cord reinforcement, it is sized for 6-rib applications with a 20 mm top width and a 64.24 in effective length.

Roadmax positions this Automotive V-Ribbed Belt (Standard) for budget-conscious buyers who want dependable replacement quality without stepping up to a premium-performance belt. The 6K642AP is a direct-fit option for a range of Chevrolet, GMC, Ford, Pontiac, Buick, and Cadillac applications, including Chevrolet Equinox, GMC Terrain, and Chevrolet Cruze fitments listed below.

Key Features

• Part number: 6K642AP
• Automotive V-Ribbed Belt (Standard) construction
• EPDM belt material for everyday accessory drive service
• Polyester cord material for reinforcement
• 6-rib design with 20 mm top width
• Effective length: 1632 mm / 64.24 in
• Outside circumference: 1646 mm / 64.809 in
• Cross section designation: K

Detailed Description

Roadmax 6K642AP is a standard serpentine belt designed for accessory drive systems that route power to components such as the alternator, air conditioning compressor, and other belt-driven accessories. Its EPDM construction and polyester cord reinforcement support consistent fitment in applications that call for a 6-rib, K-section belt with a 64.24-inch effective length. This part cross-references Gates K060642 for the same application.

Compatible With select Chevrolet Equinox and GMC Terrain models from 2018-2019, Chevrolet Cruze models from 2017-2018, and additional listed applications including Chevrolet Camaro, Pontiac Firebird, Buick Roadmaster, Cadillac Fleetwood, Chevrolet Caprice, Chevrolet Impala, and Ford Aerostar. The 6K642AP part number is also used in fitment searches for 1994 Chevrolet Camaro and 1994 Pontiac Firebird with 64 3/4-inch belt outside circumference references.

What This Belt Helps Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or visible wear on the belt ribs
• Loss of proper drive for alternator, A/C, or other belt-driven accessories
• Belt length mismatch during replacement service
• Routine maintenance on vehicles using a 6-rib serpentine belt

Installation Notes and Tips

Verify the belt routing and confirm the required effective length, rib count, and cross section before installation. This belt is listed for N/A positions as well as accessory drive and fan, alternator, and air conditioning applications, so match the vehicle’s original routing and accessory layout. For fitment-based searches, this part is commonly referenced for Fits 2018-2019 Chevrolet Equinox, N/A; Fits 2018-2019 GMC Terrain, N/A; Fits 2017-2018 Chevrolet Cruze, N/A; Fits 1994-1996 Buick Roadmaster, Accessory Drive; and Fits 1992-1994 Ford Aerostar, Fan, Alternator and Air Conditioning.

Quality Assurance

Roadmax markets this belt as a standard replacement option for customers who want quality construction at a practical level of performance. EPDM belt material and polyester cord reinforcement provide the material specification expected for modern accessory drive belt service.