Roadmax 6K650AP Serpentine Belt

Roadmax 6K650AP Serpentine Belt Overview

The Roadmax 6K650AP is an automotive V-ribbed belt built for standard-duty accessory drive applications. Made with EPDM and polyester cord reinforcement, it is sized for 6-rib systems with a 20 mm top width and a 1650 mm effective length.

Roadmax positions this belt line for budget-conscious buyers who want dependable replacement quality without stepping up to a premium-performance belt. The 6K650AP is a direct replacement option for a wide range of vehicles, including BMW M760i xDrive, Ram ProMaster 1500, and Subaru Tribeca applications.

Key Features

• Part number: 6K650AP
• Automotive V-Ribbed Belt (Standard) / serpentine belt design
• EPDM construction for everyday accessory drive service
• Polyester cord material for reinforcement
• 6-rib profile with 20 mm top width
• Effective length: 1650 mm; outside circumference: 1665 mm
• Cross section designation: K

Product Details

The Roadmax Automotive V-Ribbed Belt (Standard) line is built around practical replacement needs for passenger vehicles and light-duty vans. The 6K650AP follows a common 6-rib K-section layout and is sized to match accessory drive systems that rely on a serpentine belt to turn engine-driven components. This part cross-references Gates K060650 and Bando 6PK1650 for the same application.

Use the 6K650AP when servicing vehicles that call for a 1650 mm belt length and 6-rib configuration. Confirm belt routing and accessory drive specifications before installation, especially on vehicles with notes such as W/O A.C. or tensioner replacement recommended. Compatible vehicle coverage includes BMW M760i xDrive, Ram ProMaster 1500, and Subaru Tribeca, along with additional Ford, Volkswagen, Volvo, and Mercury applications listed in the fitment data.

What This Belt Helps Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or rib wear on the existing serpentine belt
• Loss of proper drive to alternator, water pump, or power steering accessories
• Belt length mismatch during routine replacement service
• Drive belt service on Ram ProMaster 1500, BMW M760i xDrive, and Subaru Tribeca applications

Installation Notes and Tips

Verify the engine accessory routing, rib count, and belt length before installation. This belt is listed for specific configurations such as W/O A.C. on Ram ProMaster models and alternator-only or accessory-specific Ford and Volkswagen applications. Inspect the tensioner, idlers, and pulleys for wear before installing the new belt, and follow the vehicle service procedure for proper routing and tension.

Quality Assurance

Roadmax markets this standard V-ribbed belt as a value-focused replacement option for customers who want quality construction without premium-belt performance features. EPDM belt material and polyester cord reinforcement support everyday accessory drive service across the listed fitments.