SKP SK89364 Accessory Drive Belt Tensioner Assembly - Alternator - Right Side

Accessory Drive Belt Tensioner Overview

The SKP accessory drive belt tensioner assembly helps maintain proper belt tension for steady accessory operation and quieter engine performance. This SK89364 replacement is built for Ford Super Duty and E-Series applications with dual alternators, where consistent belt control is critical.

Key Features

• Accessory drive belt tensioner assembly for belt tension control.
• Built with high-quality materials for dependable service.
• Rigorously tested for fit and function.
• Supports quieter engine operation by maintaining belt tension.
• Cross-references Dayco 89364 and Gates 38321 for the same application.

Detailed Fitment Information

Fits 2004-2010 Ford E-350 Super Duty, Alternator - Right Side, W/Dual Alts. Fits 2004-2010 Ford E-450 Super Duty, Alternator - Right Side, W/Dual Alts. Fits 2003-2007 Ford F-250 Super Duty, Alternator - Right Side, W/Dual Alts. Fits 2003-2007 Ford F-350 Super Duty, Alternator - Right Side, W/Dual Alts. Fits 2003-2007 Ford F-450 Super Duty, Alternator - Right Side, W/Dual Alts. Fits 2003-2007 Ford F-550 Super Duty, Alternator - Right Side, W/Dual Alts. Fits 2004-2005 Ford E-350 Club Wagon, Alternator - Right Side, W/Dual Alts.

Common Uses

• Corrects belt slack that can affect accessory drive performance.
• Addresses belt noise caused by inconsistent tension.
• Helps restore stable operation in dual-alternator belt systems.
• Supports reliable drive belt tracking under engine load.

Installation Notes

Verify the vehicle uses the listed dual-alternator configuration before ordering. Match the part number SK89364 and confirm the alternator-side mounting location against the existing tensioner. Inspect the belt and related pulleys during replacement to avoid repeat noise or tension issues.

Quality Assurance

SKP states that this tensioner assembly is built from high-quality materials and tested for fit and function to support proper belt tension and consistent operation.