A-Premium Serpentine Belt 6-Rib 102.4 in — EPDM heavy-duty replacement, polyester cord

When an accessory belt shows glazing, cracking, or squealing, replacing it with the correct length and rib count restores reliable power delivery to the alternator, power steering, A/C compressor and water pump. This A-Premium belt uses modern EPDM compound and polyester cords for improved resistance to oil, heat and ozone compared with older rubber belts. Before ordering, verify vehicle fitment using your year, make, model and engine to ensure a K-section 6-rib, 102.4-inch effective length matches your application.

How does this belt fit my vehicle and which engines are supported?

This belt is designed as a direct replacement for many Ford-family vehicles and selected GM, Jeep and Buick models listed by the manufacturer. Fitment varies by model year and engine displacement; always confirm using the fitment tool or your OEM part number. The product references multiple cross numbers to help match original equipment listings.

• Effective length: 102.4 inches; outside circumference: 102.97 inches
• Rib count: 6 (K-section), top width ~0.807 in
• Common fits: Ford F-150 (2005–2006 V6 4.2L; V8 4.6L/5.4L), Explorer, Expedition, Lincoln Navigator/Mark LT
• Additional fits: Chevy Express 1500/2500/3500, Jeep Cherokee/Wagoneer L6 4.0L, Buick Regal V6

What materials and construction make this belt durable?

The belt uses an EPDM rubber compound and polyester cord to balance flexibility and tensile strength. EPDM resists cracking, ozone and many automotive fluids, increasing service life; polyester cords maintain stable length under load for consistent tension and reduced stretch. The K-section rib profile aligns with modern accessory pulleys to limit slippage and noise.

• EPDM compound for heat, ozone and oil resistance
• Polyester cord for high tensile strength and low stretch
• Precision mold for consistent rib geometry and quiet operation
• Cross-reference numbers included for OEM matching

How do I install it and what should I inspect first?

Installation is typically tool-free when using the proper tensioner and follow-on procedures, but some vehicles require a tensioner tool for safe removal and re-tensioning. Always inspect the tensioner, idler pulleys and accessory pulleys for bearing noise, wobble or wear before fitting the new belt; a compromised pulley will shorten belt life and can cause misalignment.

• Inspect tensioner and idler bearings; replace if noisy or loose
• Check pulley grooves for wear or debris that can damage ribs
• Route belt following the vehicle’s diagram; confirm proper seating in ribs
• Run engine briefly and re-check tension and alignment after warm-up

What warranty and confidence features does A-Premium provide?

A-Premium backs this serpentine belt with a one-year, unlimited-mileage guarantee covering manufacturing defects. The company emphasizes precision manufacturing and offers multiple cross-reference numbers so you can verify compatibility with OEM parts. That warranty provides added assurance when replacing a critical engine drive component.

• One-year unlimited-mileage warranty against defects
• Multiple OEM cross-reference numbers included for verification
• Designed for high-temperature, high-load accessory drives

Who is this for: This A-Premium 6-rib, 102.4-inch serpentine belt is intended for DIY mechanics and professional technicians maintaining mid-1990s through mid-2010s domestic trucks, SUVs and vans that require a K-section 6PK belt. It’s well suited to owners replacing an aging belt or servicing a vehicle after tensioner or accessory work, provided fitment is confirmed for your exact year, make, model and engine. For best results, replace worn pulleys and tensioners at the same time to maximize belt life and ensure quiet, reliable accessory drive operation.