A-Premium Serpentine Belt Kit for 4.6L/5.4L/6.8L Ford — Includes Tensioner & Idler, Direct Fit

A-Premium's complete serpentine drive belt kit includes a matched belt, tensioner and idler engineered to restore correct belt routing and tension for selected 4.6L, 5.4L and 6.8L Ford engines.

This kit brings together the three wear items that most commonly fail in older Ford E-series vans, F-Series pickups and Excursion/Expedition models. Instead of replacing a single part, installing the matched belt, tensioner and idler reduces the risk of premature belt wear, misalignment and belt noise. The kit is designed for direct compatibility with a range of 1997–2001 vehicles and comes with fitment notes—verify your vehicle details before ordering.

Which vehicles and engine configurations does this A-Premium kit fit?

The kit covers multiple Ford models built between 1997 and 2001 with 4.6L, 5.4L and 6.8L engines, including E-series vans, F-150/F-250 trucks and certain Excursion/Expedition applications. Fitment varies by year, fuel type and whether the vehicle has air conditioning—so cross-check the vehicle input on the product page.

• Compatible with Ford E-150, E-250, E-350 (1997–2001) and some Super Duty/E-450 applications.
• Fits F-150 (1997–2001) and F-250 (1997–1999) in applicable configurations.
• Also listed for Expedition 1997 and select Starcraft/Starlite buses (2000–2001).
• Supports gas, CNG and bi-fuel variants when specified in fitment notes.

What parts are included and why replace them together?

The kit contains the serpentine belt, a belt tensioner and an idler pulley—three components that interact continuously under load. Replacing them as a matched set ensures correct tension and pulley alignment, which helps avoid squeal, premature belt cracking and accessory drive failures.

• 1x serpentine belt sized for the specified vehicle routing.
• 1x spring-loaded belt tensioner for proper belt preload.
• 1x idler pulley to maintain belt path and reduce vibration.
• Fitment reminders and special notes are included—verify before purchase.

How difficult is installation and what should I check during replacement?

Installation is straightforward for anyone comfortable with basic mechanical work and a tensioner tool; a simple set of hand tools and access under the hood are typically all that’s required. During replacement, inspect pulleys, brackets and accessory bearings for wear, confirm the belt routing diagram, and torque fasteners to factory specifications.

• Use a tensioner tool to relieve tension and slip the old belt off safely.
• Check accessory bearings (alternator, A/C compressor, power steering) for roughness before reassembly.
• Confirm belt routing and belt outside circumference when noted (e.g., 99-inch belt on some Expeditions).
• Follow torque specs and run the engine briefly to verify noise-free operation.

Are there any special ordering or fitment notes I need to know?

Yes—because several model years and fuel-system variants share similar drivetrains but require different belt lengths or parts, you must enter your vehicle information on the product page. Review the listed Special Notes to ensure the kit matches your model, year and A/C or fuel-type configuration.

• Enter year, make, model and engine in the top-left fitment area before ordering.
• Check special notes for CNG, bi-fuel or A/C-specific fitment differences.
• If in doubt, compare the old belt length and pulley layout to the kit components.

Who is this for: This A-Premium kit is aimed at DIY mechanics and professional shops working on late-1990s to early-2000s Ford vans, trucks and utility vehicles with 4.6L, 5.4L or 6.8L engines. It’s suited to owners who want a matched replacement set—belt, tensioner and idler—to eliminate repeated failures and restore proper accessory drive function. Always confirm fitment for your exact vehicle year, fuel type and A/C configuration before purchase.