Roadmax 4K425AP Serpentine Belt

Roadmax 4K425AP Serpentine Belt Overview

The Roadmax 4K425AP is an automotive V-ribbed belt built for drivers who want dependable replacement quality without stepping up to a premium belt line. Made with EPDM and polyester cord reinforcement, it is sized for specific accessory drive applications across Toyota Tacoma, Kia Sorento, and Suzuki Grand Vitara fitments.

Roadmax Automotive V-Ribbed Belt (Standard) products focus on practical OE-style replacement value. The 4K425AP follows the standard 4-rib, K-section profile used in accessory drive belt systems where consistent belt tracking and proper tension are important.

Key Features

• EPDM construction for everyday accessory drive service
• Polyester cord material for reinforced belt stability
• 4-rib, K-section design
• Top width: 14 mm (.56 in.)
• Effective length: 1080 mm (42.536 in.)
• Outside circumference: 1095 mm (43.125 in.)
• Standard automotive V-ribbed belt design
• Roadmax part number 4K425AP

Detailed Description

Use the Roadmax 4K425AP when replacing a worn serpentine belt in accessory drive belt system applications that call for a 4-rib, 1080 mm belt. This belt is listed for positions including power steering, power steering and air conditioning, fan and air pump, and water pump and alternator, depending on the vehicle application. It is a direct-fit replacement for select Toyota Tacoma, Kia Sorento, Kia Spectra, Suzuki Grand Vitara, Suzuki Vitara, Chevrolet Tracker, and other listed vehicles.

This part cross-references Gates K040425 and Bando 4PK1080 for the same application.

Vehicle Fitment

• Fits 2003-2006 Kia Sorento, Power Steering
• Fits 2001-2004 Chevrolet Tracker, Power Steering and Air Conditioning
• Fits 2000-2004 Kia Spectra, Power Steering and Air Conditioning
• Fits 1999-2004 Suzuki Grand Vitara, Power Steering and Air Conditioning
• Fits 2004 Suzuki Vitara, Power Steering and Air Conditioning
• Fits 1995-2004 Toyota Tacoma, Power Steering
• Fits 1998-2001 Kia Sephia, Power Steering and Air Conditioning
• Fits 1997-1999 Toyota Paseo, Power Steering and Air Conditioning
• Fits 1997-1999 Toyota Tercel, Power Steering and Air Conditioning
• Fits 1994-1996 Jaguar XJ12, Fan and Air Pump
• Fits 1995 Jaguar XJS, Fan and Air Pump
• Fits 1993 Jaguar XJRS, Fan and Air Pump
• Fits 1987 Ford Taurus, Water Pump and Alternator
• Fits 1987 Mercury Sable, Water Pump and Alternator
• Fits 1986 Ford Taurus, Water Pump and Alternator
• Fits 1986 Mercury Sable, Water Pump and Alternator

Common Uses

• Replacing a cracked, glazed, or worn serpentine belt
• Restoring accessory drive operation on Toyota Tacoma, Kia Sorento, and Suzuki Grand Vitara applications
• Addressing belt noise caused by wear or loss of rib definition
• Correcting belt fitment issues in 4-rib accessory drive systems
• Maintaining proper drive for power steering, air conditioning, alternator, or fan circuits where specified

Installation Notes and Tips

Verify the belt length, rib count, and cross-section before installation. Confirm the routing path against the vehicle’s belt diagram and inspect pulleys, tensioners, and idlers for wear before installing the new belt. Proper alignment and tension are important for long service life and quiet operation.

Quality Assurance

Roadmax positions the Automotive V-Ribbed Belt (Standard) line as a value-focused replacement option for customers who want quality construction in a standard-duty belt. The EPDM belt material and polyester cord reinforcement support consistent performance in everyday accessory drive service.