Roadmax 6K945AP Serpentine Belt

Roadmax 6K945AP Serpentine Belt Overview

The Roadmax 6K945AP is an automotive V-ribbed belt built for drivers who want a practical replacement belt without stepping up to a premium-performance option. Made with EPDM and polyester cord reinforcement, it is sized for accessory drive applications that require a 6-rib serpentine belt with a 94.51-inch effective length.

Compatible With select Cadillac XTS, Buick LaCrosse, Mercedes-Benz E-Class and Jeep Wrangler applications, this belt is also a direct-fit option for many other vehicles listed below. The Roadmax Automotive V-Ribbed Belt (Standard) line focuses on dependable everyday service for common accessory drive systems.

Key Features

• Part number: 6K945AP
• Automotive V-ribbed belt / serpentine belt design
• EPDM construction for everyday accessory drive use
• Polyester cord material for belt stability
• 6-rib profile for multi-groove pulleys
• Top width: 20 mm (.807 in.)
• Effective length: 2401 mm (94.51 in.)
• Outside circumference: 2415 mm (95.077 in.)

Product Details

Roadmax positions the Automotive V-Ribbed Belt (Standard) line as a value-focused replacement choice for customers who want quality construction without the added cost of a premium belt. The 6K945AP uses EPDM belt material and polyester reinforcement to serve accessory drive systems that power components such as the alternator, power steering, and air conditioning on supported vehicles. This part cross-references Gates K060945 and Dayco 5060945 for the same application.

Common search terms for this belt include 6K945AP serpentine belt, 6-rib accessory drive belt, and 94.51 inch EPDM belt for Mercedes-Benz GL450, GL550, and E350 applications.

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 belt grip on pulleys due to age-related wear
• Accessory drive noise caused by belt deterioration
• Replacement needs during routine maintenance on high-mileage vehicles

Installation Notes and Fitment

Verify belt length, rib count, and pulley routing before installation. This belt is listed for 2019 Cadillac XTS, 2010-2016 Buick LaCrosse, 2009-2015 Mercedes-Benz G550, 2010-2012 Mercedes-Benz GL450, 2010-2012 Mercedes-Benz GL550, 2010-2012 Mercedes-Benz GLK350, 2008-2012 Mercedes-Benz SL550, 2009-2011 Buick Lucerne, 2010-2011 Mercedes-Benz CLS550, 2006-2011 Mercedes-Benz E350, 2010-2011 Mercedes-Benz ML350, 2008-2011 Mercedes-Benz ML550, 2009-2011 Mercedes-Benz R350, 2009-2011 Mercedes-Benz S550, 2009-2011 Mercedes-Benz SLK300, 2008-2011 Mercedes-Benz SLK350, 2010 Buick Allure, 2007-2010 Mercedes-Benz CL550, 2010 Mercedes-Benz E550, 2008-2009 Mercedes-Benz C300, 2008-2009 Mercedes-Benz C350, 2008-2009 Mercedes-Benz CLK550, 2008-2009 Mercedes-Benz GL550, 2008 Mercedes-Benz E300, 2008 Mercedes-Benz SLK280, 1998-2002 Chevrolet Camaro, 1989-1992 Chevrolet Camaro, 1998-2002 Pontiac Firebird, 1989-1991 Pontiac Firebird, 1996-1997 Chevrolet Camaro w/A.C., 1996-1997 Pontiac Firebird w/A.C., 1992 Pontiac Firebird w/A.C., 1991-1995 Jeep Wrangler w/A.C., 1993-1994 Jeep Cherokee w/A.C., 1991-1992 Cadillac Brougham w/100A alternator, 1991-1992 Jeep Comanche w/A.C., 1989-1990 Chevrolet Caprice w/o police package, 1988 Chevrolet Camaro with 95 1/8-inch belt O.C., and 1988 Pontiac Firebird with 95 1/8-inch belt O.C.

For best results, compare the old belt’s routing and measurements to the OE specification before final installation. Confirm the application details for vehicles with notes such as w/o electric power steering, w/o variable assist, or w/A.C.

Quality Assurance

Roadmax’s standard V-ribbed belt line is built for budget-conscious buyers who still want a quality replacement part for everyday service. The EPDM construction and polyester cord reinforcement support consistent operation in the accessory drive system across the listed applications.