Roadmax 5K635AP Serpentine Belt - Alternator and Power Steering

Roadmax 5K635AP Serpentine Belt Overview

The Roadmax 5K635AP is an automotive V-ribbed belt in the standard line, built for drivers who want dependable OE-style fit and function without stepping up to a premium belt. It uses EPDM construction and polyester cord reinforcement for everyday accessory drive service.

Compatible with select Saturn SL, Saturn SL1, Saturn SC1, Saturn SW1, and Saab 9000 applications, this serpentine belt is sized for common accessory drive layouts and is a direct replacement option for vehicles that call for a 5-rib K-section belt.

Key Features

• Part number: 5K635AP
• Automotive V-ribbed belt, standard grade
• EPDM belt material for accessory drive use
• Polyester cord material for belt stability
• 5-rib, K cross-section design
• OE Performance grade type
• Effective length: 1613 mm / 63.5 in
• Outside circumference: 1627 mm / 64.11 in
• Top width: 17 mm / 0.667 in

Product Details

Roadmax positions the 5K635AP as a standard automotive V-ribbed belt for budget-conscious buyers who still want quality construction. The EPDM belt compound is paired with polyester cord reinforcement to support consistent operation in the accessory drive system, while the 5-rib profile and K designation help match the belt geometry required by the application.

This part cross-references Gates K050635 and Bando 5PK1615 for the same application. The 5K635AP is a practical replacement choice for Saturn SL and Saturn SL1 models from 1993-2001, Saturn SC1 and SW1 models from 1993-1999, and 1989 Saab 9000 vehicles with the listed alternator and power steering configuration.

Common Problems This Belt Can Address

• Squealing or chirping from a worn accessory drive belt
• Cracking, glazing, or fraying on the existing serpentine belt
• Loss of proper belt tension due to age-related wear
• Accessory drive noise from an aging belt profile
• Replacement needs during routine belt service on Saturn SL, SL1, SC1, SW1, or Saab 9000 applications

Installation Notes and Tips

Verify belt routing, rib count, and measured length against the vehicle’s accessory drive layout before installation. Inspect pulleys, tensioners, and idlers for wear or misalignment, since those conditions can shorten belt life and affect tracking. For fitment-specific service, use the vehicle notes: Fits 1993-2001 Saturn SL, N/A; W/A.C.; Fits 1993-2001 Saturn SL1, N/A; W/A.C.; Fits 1993-1999 Saturn SC1, N/A; W/A.C.; W/O P.S.; Fits 1993-1999 Saturn SW1, N/A; W/A.C.; W/O P.S.; Fits 1989 Saab 9000, Alternator and Power Steering; W/80A. Alt.

Quality Assurance

This Roadmax belt is built to OE Performance standards for standard accessory drive replacement. The EPDM construction and reinforced cord design support consistent service in the applications listed above.