Roadmax 5K410AP Serpentine Belt - Water Pump and Alternator

Roadmax 5K410AP Serpentine Belt Overview

The Roadmax 5K410AP is an automotive V-ribbed belt built for drivers who want a practical OE-performance replacement without stepping up to a premium belt line. Made with EPDM and polyester cord reinforcement, it is sized for accessory drive service on select applications, including 1985-1988 Pontiac Fiero water pump and alternator routing.

Roadmax’s Automotive V-Ribbed Belt (Standard) line focuses on dependable everyday service for budget-conscious repairs. The 5K410AP follows that approach with standard serpentine belt construction and dimensions that match the specified accessory drive setup.

• EPDM rubber construction for accessory drive durability
• Polyester cord material for belt stability
• 5-rib, K cross-section design
• Top width: 17 mm (.667 in.)
• Effective length: 1045 mm (41.13 in.)
• Outside circumference: 1058 mm (41.625 in.)
• OE Performance grade type

Detailed Product Description

The Roadmax 5K410AP serpentine belt is a standard automotive V-ribbed belt designed around the listed dimensions and rib count for proper accessory drive operation. Its EPDM construction and polyester reinforcement support consistent belt tracking in the water pump and alternator position on 1985-1988 Pontiac Fiero models. If you are searching for a Pontiac Fiero serpentine belt, 5K410AP, or a 5-rib accessory drive belt with OE-style sizing, this part matches that application data.

This part cross-references Gates K050410 and Dayco 5050413 for the same application.

Vehicle Fitment

• Fits 1985-1988 Pontiac Fiero, Water Pump and Alternator

Common Replacement Reasons

• Squealing or chirping from the accessory drive belt
• Cracking, glazing, or visible wear on the belt ribs
• Loss of proper belt tension or tracking
• Accessory drive noise affecting water pump or alternator operation
• Need for a direct-fit Pontiac Fiero belt replacement

Installation Notes and Tips

Verify belt routing, rib count, and effective length before installation. Inspect pulleys, tensioner condition, and accessory alignment at the same time, since worn components can shorten belt life. Confirm the application against the vehicle’s accessory drive layout before ordering, especially on 1985-1988 Pontiac Fiero models.

Quality Assurance

Roadmax positions this belt as an OE-performance standard replacement for everyday service. The EPDM belt material and polyester cord construction are selected for routine accessory drive use in the specified fitment.