Roadmax 4K398AP Serpentine Belt - Air Conditioning, Fan and Alternator or Power Steering

Roadmax 4K398AP Serpentine Belt Overview

The Roadmax 4K398AP is an Automotive V-Ribbed Belt (Standard) built for accessory drive service where a dependable OE-performance replacement is needed. Made with EPDM and polyester cord reinforcement, this 4-rib serpentine belt is sized for specific air conditioning, power steering, and fan/alternator applications across select Chevrolet, GMC, Acura, Honda, and Nissan vehicles.

Roadmax positions this belt line for budget-conscious buyers who want solid quality without stepping up to a premium-duty belt. If you are replacing a worn accessory drive belt on a Chevrolet Silverado 2500 HD, GMC Sierra 3500, or Honda Civic, this part number provides a direct-fit option for the listed applications.

Key Features

• Part number: 4K398AP
• Automotive V-Ribbed Belt (Standard) construction
• EPDM belt material for everyday accessory drive service
• Polyester cord material for reinforcement
• 4-rib design
• OE Performance grade type
• Top width: 14 mm (.56 in.)
• Effective length: 1013 mm (39.87 in.)
• Outside circumference: 1027 mm (40.44 in.)

Product Line Details

Roadmax Automotive V-Ribbed Belt (Standard) products are aimed at routine replacement needs where correct sizing and dependable operation matter more than premium belt construction. The 4K398AP follows that approach with EPDM construction and OE-performance sizing for the listed accessory drive applications.

Detailed Description

This serpentine belt is used in accessory drive systems that power components such as the air conditioning compressor, power steering pump, or fan and alternator drive, depending on the vehicle application. The 4-rib profile and K cross section help match the specified routing and pulley engagement for the vehicles listed below. This part cross-references Gates K040398 and Dayco 5040398 for the same application. The 4K398AP part number is also referenced in interchange listings for additional catalog matching.

Compatible With select 1990-2007 applications, including Chevrolet Silverado 2500 HD, GMC Sierra 3500, Acura EL, Honda Civic, and Nissan 300ZX. For buyers searching long-tail terms such as 2001-2006 Chevrolet Silverado 2500 HD air conditioning serpentine belt or 2001-2005 Honda Civic power steering belt, this Roadmax belt matches the confirmed fitment data.

What It Helps Address

• Squealing or slipping accessory drive belt noise
• Cracked, glazed, or worn belt surfaces
• Loss of drive to air conditioning, power steering, or charging components
• Incorrect belt length after a replacement service
• Routine maintenance on high-mileage accessory drive systems

Installation Notes and Tips

• Verify belt routing against the vehicle’s accessory drive diagram before installation.
• Confirm the application by year, make, model, and position: air conditioning, power steering, or fan and alternator.
• Inspect pulleys, tensioners, and idlers for wear before installing the new belt.
• Check the belt path for contamination, misalignment, or damaged pulley grooves.
• Use the confirmed fitment list for exact vehicle matching; do not rely on belt length alone.

Quality Assurance

Roadmax markets this belt as an OE-performance standard replacement for budget-focused repairs, using EPDM and polyester cord materials to support everyday accessory drive service. Confirm fitment against the listed applications for Chevrolet Silverado 2500 HD, GMC Sierra 3500, Honda Civic, and related vehicles before installation.

• Fits 2007 Chevrolet Silverado 2500 HD Classic, Air Conditioning
• Fits 2007 Chevrolet Silverado 3500 Classic, Air Conditioning
• Fits 2007 GMC Sierra 2500 HD Classic, Air Conditioning
• Fits 2007 GMC Sierra 3500 Classic, Air Conditioning
• Fits 2002-2006 Chevrolet Avalanche 2500, Air Conditioning
• Fits 2001-2006 Chevrolet Silverado 2500 HD, Air Conditioning
• Fits 2001-2006 Chevrolet Silverado 3500, Air Conditioning
• Fits 2001-2006 Chevrolet Suburban 2500, Air Conditioning
• Fits 2001-2006 GMC Sierra 2500 HD, Air Conditioning
• Fits 2001-2006 GMC Sierra 3500, Air Conditioning
• Fits 2001-2006 GMC Yukon XL 2500, Air Conditioning
• Fits 2001-2005 Acura EL, Power Steering
• Fits 2001-2005 Honda Civic, Power Steering
• Fits 1990-1996 Nissan 300ZX, Fan and Alternator