Roadmax 6K431AP Serpentine Belt - Air Conditioning or Alternator and Air Conditioning

Roadmax 6K431AP Serpentine Belt Overview

The Roadmax 6K431AP is an automotive V-ribbed belt built for drivers who want dependable OE-performance replacement value without stepping up to a premium belt line. Made with EPDM and polyester cord reinforcement, it is sized for accessory drive applications that power systems such as the alternator and air conditioning on select Honda, Nissan, INFINITI, and BMW vehicles.

Roadmax Automotive V-Ribbed Belt (Standard) focuses on practical replacement fitment and everyday service needs. If you are replacing a worn serpentine belt on a 2015-2021 Honda City, 2015-2020 Honda Fit, or select Nissan Maxima and INFINITI I30/I35 applications, this part number is built to match the specified belt dimensions and rib profile.

Key Features

• Part number: 6K431AP
• Automotive V-ribbed belt, standard grade
• EPDM belt construction for modern accessory drive systems
• Polyester cord material for reinforcement
• 6-rib design for compatible serpentine drive layouts
• OE Performance grade for direct replacement use
• Top width: 20 mm (.807 in.)
• Effective length: 1096 mm (43.16 in.)
• Outside circumference: 1111 mm (43.75 in.)

Detailed Description

The Roadmax 6K431AP serpentine belt is a standard automotive V-ribbed belt designed around the listed OE-style dimensions and 6-rib cross section. EPDM construction is commonly used in accessory drive belt systems for durability under heat and continuous flexing, while the polyester cord helps maintain belt stability in service. This makes it a practical replacement choice for vehicles that rely on a correctly sized belt for alternator and air conditioning operation. Cross-reference part numbers include Gates K060431 and Dayco 5060431 for the same application.

Compatible With select Honda City and Honda Fit applications, as well as Nissan Maxima, INFINITI I30, INFINITI I35, and BMW M3 fitments listed below. The 6K431AP part number is also searched as a replacement serpentine belt for 2015-2021 Honda City, 2015-2020 Honda Fit, and 2002-2004 INFINITI I35 accessory drive service.

What It Helps Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or rib wear on the existing serpentine belt
• Loss of alternator drive performance from belt slip
• Reduced air conditioning compressor drive performance
• Replacement needs for a correctly sized 6-rib belt in OE-style service

Installation Notes and Tips

Verify belt routing, rib count, and measured length against the original belt before installation. Inspect pulleys, tensioner condition, and accessory alignment at the same time, since worn components can shorten belt life. Confirm the application by year, make, model, and position: Fits 2015-2021 Honda City, N/A; Fits 2015-2020 Honda Fit, N/A; Fits 2013 BMW M3, Air Conditioning; Fits 2002-2004 INFINITI I35, Alternator and Air Conditioning; Fits 2002-2003 Nissan Maxima, Alternator and Air Conditioning; Fits 1995-1999 Nissan Maxima, Alternator and Air Conditioning; Fits 1996-1999 INFINITI I30, Alternator and Air Conditioning.

Quality Assurance

Roadmax positions this Automotive V-Ribbed Belt (Standard) as a value-focused replacement part for customers who want quality and OE-performance sizing without premium-belt pricing. The EPDM belt material, polyester cord reinforcement, and specified dimensional data support consistent fitment for the listed applications.