Roadmax 6K439AP Serpentine Belt

Roadmax 6K439AP Serpentine Belt Overview

The Roadmax 6K439AP is an automotive V-ribbed belt built for drivers who want dependable OE-style performance without stepping up to a premium belt line. Made with EPDM and polyester cord reinforcement, it is designed for consistent accessory drive operation in a wide range of vehicles, including select Hyundai, Kia, Genesis, Audi, Volkswagen, and Honda applications.

Roadmax Automotive V-Ribbed Belt (Standard) products focus on practical replacement value. The 6K439AP follows the standard K cross-section with a 6-rib design, making it a direct-fit option for many accessory drive belt system repairs where correct length and rib profile matter.

Key Features

• EPDM construction for durable everyday belt service
• Polyester cord material for reinforced belt stability
• 6-rib, K-section automotive V-ribbed belt design
• OE Performance grade for standard replacement needs
• Effective length: 1115 mm (43.89 in.)
• Outside circumference: 1130 mm (44.47 in.)
• Top width: 20 mm (.807 in.)
• Roadmax part number 6K439AP for easy identification

Product Details

This serpentine belt is built for accessory drive systems that route power to components such as the alternator and air conditioning compressor, depending on the vehicle application. The Roadmax 6K439AP is listed for fitment on 2021-2025 Kia Sorento, accessory drive; 2021-2024 Hyundai Santa Fe, alternator; 2021-2023 Genesis G80, alternator; 2023 Genesis GV70, alternator; 2021-2023 Genesis GV80, alternator; 2022-2023 Hyundai Sonata, alternator; and 1994-1997 Honda Accord, alternator and air conditioning. It is also listed across multiple Audi and Volkswagen models, including Audi Q3, Q3 Quattro, A3, A3 Quattro, TT, TT Quattro, and Volkswagen CC, Tiguan, Eos, GTI, Beetle, Jetta, Passat, and Passat CC.

This part cross-references Gates K060439 and K060439HD for the same application.

Common Repair Uses

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or visible wear on the belt surface
• Loss of alternator drive performance
• Reduced air conditioning compressor operation on listed applications
• Routine maintenance replacement for high-mileage belt systems

Installation Notes and Tips

Verify belt length, rib count, and routing against the vehicle’s accessory drive diagram before installation. Confirm the application by year, make, model, and position, since this part is listed for accessory drive, alternator, and alternator/air conditioning configurations depending on the vehicle. Inspect pulleys, tensioners, and idlers for wear before installing the new belt to help maintain proper tracking and belt life.

Quality Assurance

Roadmax positions the 6K439AP as a standard replacement belt for budget-conscious buyers who still want a quality OE-style option. The EPDM belt construction and polyester cord reinforcement support consistent service in everyday driving conditions.