Roadmax 6K450AP Serpentine Belt

Roadmax 6K450AP Serpentine Belt Overview

The Roadmax 6K450AP is an OE performance serpentine belt built for accessory drive service where dependable operation matters more than premium-level output. Made with EPDM and polyester cord reinforcement, it is sized for a 6-rib application with a 20 mm top width and 45.12 in effective length.

Roadmax’s Automotive V-Ribbed Belt (Standard) line is aimed at budget-conscious buyers who want solid quality in a standard replacement belt. The 6K450AP follows that approach with a practical OE-style design for everyday drivability.

Key Features

• Part number: 6K450AP
• Automotive V-ribbed belt, standard construction
• EPDM belt material for common accessory drive applications
• Polyester cord material for reinforcement
• 6-rib design with 20 mm top width
• Effective length: 1146 mm / 45.12 in
• Outside circumference: 1161 mm / 45.71 in
• OE Performance grade

Detailed Product Description

This serpentine belt is designed for accessory drive systems that power components such as the alternator, water pump, power steering, air conditioning, and fan drive, depending on the vehicle application. The Roadmax 6K450AP is a direct-fit style belt for a wide range of vehicles, including Toyota Tundra, Toyota Sequoia, Lexus GX550, Lexus LX600, Ford Explorer, INFINITI G25, and Volkswagen Golf applications listed in the fitment data. If you are searching for a Toyota Tundra serpentine belt or a Lexus LX600 alternator belt, this part number is one to verify against your vehicle’s exact configuration.

This part cross-references Gates K060450 and Dayco 5060450 for the same application.

What It Helps Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or visible wear on the belt surface
• Loss of alternator drive due to belt deterioration
• Accessory drive issues affecting power steering, A/C, or fan operation
• Incorrect belt length or rib count on listed vehicle applications

Installation Notes and Fitment

Verify belt routing, rib count, and measured length before installation. This belt is listed for multiple positions, including alternator, alternator and water pump, fan and alternator, alternator and power steering, fan, alternator and power steering, and alternator and air conditioning applications. For fitment-specific searches, use the exact vehicle and position below.

• Fits 2024-2026 Lexus GX550, alternator
• Fits 2023-2025 Toyota Sequoia, N/A
• Fits 2022-2025 Toyota Tundra, N/A
• Fits 2024 Lexus LX600, alternator
• Fits 2022-2023 Lexus LX600, alternator and water pump
• Fits 2018-2019 Ford Explorer, N/A, W/H.D. Alt.
• Fits 2017 Ford Explorer, N/A, W/220A. Alt.
• Fits 2011-2012 INFINITI G25, fan and alternator
• Fits 2008 INFINITI FX35, alternator and power steering
• Fits 2006-2008 INFINITI M35, alternator and power steering, W/45 5/8" Belt O.C.
• Fits 2007 INFINITI FX35, alternator and power steering, Aug. 28, 2006 & Newer
• Fits 2007 INFINITI G35, alternator and power steering, Sept. 2006 & Newer
• Fits 2006 Nissan 350Z, fan, alternator and power steering, Aug. 1, 2006 thru Nov. 1, 2006
• Fits 1993-1998 Volkswagen Golf, alternator and air conditioning
• Fits 1993-1998 Volkswagen Jetta, alternator and air conditioning
• Fits 1994-1997 Toyota Previa, alternator and power steering
• Fits 1994-1997 Volkswagen Passat, alternator and air conditioning
• Fits 1993-1994 Ford Aerostar, fan and alternator, W/O A.C.
• Fits 1988-1991 Ford Aerostar, fan and alternator, W/O A.C.
• Fits 1991 Ford Ranger, fan and alternator, W/O A.C.
• Fits 1983-1990 Ford Ranger, fan and alternator
• Fits 1986-1987 Ford Aerostar, fan and alternator

Quality Assurance

Roadmax positions this Automotive V-Ribbed Belt (Standard) line as an OE-style replacement for buyers who want dependable quality without stepping up to a premium belt. The EPDM construction and polyester cord reinforcement support consistent service in standard accessory drive applications.