Roadmax 4K438AP Serpentine Belt - Air Conditioning or Power Steering

Roadmax 4K438AP Serpentine Belt Overview

The Roadmax 4K438AP is an automotive V-ribbed belt in the standard line, built with EPDM rubber and polyester cord for OE-style service in accessory drive systems. It is a practical choice for drivers looking for a quality replacement belt without moving to a premium-performance option.

Use this serpentine belt for confirmed applications such as Porsche Panamera air conditioning, Porsche Macan air conditioning, Chevrolet Caprice air conditioning, Chevrolet SS air conditioning, and power steering service on select Honda, Acura, and Toyota models.

Key Features

• Part number: 4K438AP
• Brand line: Automotive V-Ribbed Belt (Standard)
• EPDM construction for durable accessory drive service
• Polyester cord material for belt stability
• 4-rib, K cross-section design
• Effective length: 1114 mm (43.84 in.)
• Outside circumference: 1128 mm (44.42 in.)
• OE Performance grade type

Detailed Product Description

Roadmax positions the Automotive V-Ribbed Belt (Standard) line as a value-focused replacement option for customers who want dependable quality in a standard-duty belt. The 4K438AP uses EPDM material and a polyester cord structure to support accessory drive operation in applications that call for a 4-rib, K-profile serpentine belt. This belt is specified for air conditioning and power steering positions across a range of import and domestic vehicles, including Porsche Panamera, Porsche Macan, Chevrolet Caprice, Chevrolet SS, Honda Odyssey, Honda Pilot, Honda Accord, Acura CL, Acura TL, Acura MDX, Toyota Tacoma, Toyota 4Runner, and Toyota Hilux applications listed in the fitment data.

This part cross-references Gates K040438 for the same application.

What This Belt Helps Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or rib wear on the existing belt
• Loss of belt tension stability in the accessory drive system
• Air conditioning drive issues tied to belt wear on listed Porsche and Chevrolet applications
• Power steering belt replacement needs on listed Honda, Acura, and Toyota vehicles

Installation Notes and Fitment

Verify belt length, rib count, and cross-section before installation. Confirm the accessory position on the vehicle, since this part is listed for both air conditioning and power steering applications. Body fitment examples include: Fits 2023 Porsche Panamera, Air Conditioning; Fits 2017-2021 Porsche Panamera, Air Conditioning; Fits 2019-2021 Porsche Macan, Air Conditioning; Fits 2011-2017 Chevrolet Caprice, Air Conditioning; Fits 2014-2017 Chevrolet SS, Air Conditioning; Fits 1999-2004 Honda Odyssey, Power Steering; Fits 2003-2004 Honda Pilot, Power Steering; Fits 1999-2004 Toyota Tacoma, Power Steering; Fits 2001-2003 Acura CL, Power Steering; Fits 1997-1999 Acura CL, Power Steering; Fits 1999-2003 Acura TL, Power Steering; Fits 2001-2002 Acura MDX, Power Steering; Fits 1998-2002 Honda Accord, Power Steering; Fits 1999-2000 Toyota 4Runner, Power Steering; Fits 2004 Toyota Hilux, Power Steering; Fits 2010 Toyota Hilux, Power Steering.

Quality Assurance

The 4K438AP is built to OE Performance standards using EPDM and polyester cord materials selected for standard accessory drive service. Roadmax’s standard V-ribbed belt line is aimed at customers who want a dependable replacement part for confirmed vehicle applications without stepping up to a premium belt specification.