Roadmax 5K405AP Serpentine Belt

Roadmax 5K405AP Serpentine Belt Overview

The Roadmax 5K405AP is a standard automotive V-ribbed belt built with EPDM and polyester cord for everyday accessory drive service. It is a practical choice for drivers who want dependable belt construction without stepping up to a premium performance line.

Roadmax Automotive V-Ribbed Belt (Standard) focuses on straightforward replacement coverage for common accessory drive applications. The 5K405AP part number is used across a wide range of vehicles, including Chevrolet HHR, Saab 9-3, and Pontiac G5 applications listed below.

Key Features

• EPDM belt material for modern accessory drive durability
• Polyester cord construction for stable belt reinforcement
• 5-rib V-ribbed profile for serpentine drive systems
• Top width: 17 mm (.667 in.)
• Effective length: 1033 mm (40.65 in.)
• Outside circumference: 1048 mm (41.25 in.)
• Standard Roadmax Automotive V-Ribbed Belt (Standard) line

Product Details

This serpentine belt is specified as a 5-rib, K-section belt with EPDM construction and polyester cord. The Roadmax 5K405AP is sized for accessory drive systems that require a 40.65-inch effective length and 41.25-inch outside circumference, making it a direct-fit option for many OE-style belt replacements. This part cross-references Gates K050405 and Continental 5K1030 for the same application.

Use the 5K405AP when servicing belt-driven accessories on vehicles such as the Chevrolet HHR, Saab 9-3, and Pontiac G5, where the listed fitment calls for this belt profile and length. It is also referenced across additional applications in the same size class.

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 proper belt tension due to age-related stretch
• Accessory drive noise during alternator, power steering, or A/C operation
• Replacement needs for belt service on high-mileage vehicles

Installation Notes and Fitment Tips

Verify belt length, rib count, and profile against the original belt before installation. Confirm the routing path and inspect pulleys, tensioner operation, and accessory alignment so the new belt tracks correctly. Fits 2008-2011 Chevrolet HHR, N/A. Fits 2003-2011 Saab 9-3, N/A. Fits 2010-2011 Saab 9-3X, N/A. Fits 2008-2010 Pontiac G5, N/A. Fits 2008-2009 Chevrolet Cobalt, N/A. Fits 2006-2007 Saturn Ion, N/A. Fits 2005 Chevrolet Classic, N/A. Fits 2002-2005 Pontiac Grand Am, N/A. Fits 2004 Chevrolet Classic, N/A. Fits 2002-2004 Oldsmobile Alero, N/A. Fits 2004 Saturn L300, N/A. Fits 1999-2003 Mazda Protege, Power Steering. Fits 2002-2003 Mazda Protege5, Power Steering. Fits 2001-2003 Saturn L200, N/A. Fits 2001-2003 Saturn LW200, N/A. Fits 1993-2002 Mazda 626, Power Steering. Fits 2001-2002 Saturn L100, N/A. Fits 2000 Saturn LS, N/A. Fits 2000 Saturn LS1, N/A. Fits 2000 Saturn LW1, N/A. Fits 1993-1997 Ford Probe, Power Steering. Fits 1993-1997 Mazda MX-6, Power Steering. Fits 1990-1992 Geo Prizm, Power Steering and Air Conditioning. Fits 1988-1991 Toyota Corolla, Power Steering and Air Conditioning. Fits 1989 Pontiac LeMans, Alternator and Power Steering. Fits 1988 Pontiac LeMans, Alternator. Fits 1988 Toyota MR2, Alternator and Air Conditioning.

Quality Assurance

Roadmax positions this standard belt line for budget-conscious buyers who still want a quality replacement part. The EPDM construction and reinforced cord design support consistent service in everyday accessory drive applications.