Mevotech MS43908 Torsion Bar Key - Front

Front Torsion Bar Key for Ford and Lincoln Applications

Mevotech MS43908 is a steel torsion bar key for front suspension service on select Ford and Lincoln trucks and SUVs. It is built for direct replacement use on applications such as the Ford F-150, Ford Expedition, Lincoln Navigator, and Ford F-250 Heritage-era platforms.

Key Features

• Steel construction for suspension durability
• Front-position torsion bar key application
• Mounting hardware included
• Direct-fit replacement for select Ford and Lincoln models
• Mevotech Supreme MS43908 replacement part

Detailed Product Overview

This torsion bar key is used in the front suspension to restore proper torsion bar indexing and ride-height adjustment on supported vehicles. Mevotech MS43908 is a fitment-based replacement for 1997-2003 Ford F-150, 2004 Ford F-150 Heritage, 1997-2002 Ford Expedition, 1998-2002 Lincoln Navigator, and 1997-1999 Ford F-250 front applications. This part cross-references MOOG Chassis Products K100014 for the same application.

Common Issues This Part Can Address

• Uneven front ride height
• Worn or damaged torsion bar key components
• Loss of suspension adjustment range
• Front-end sag on torsion-bar-equipped trucks and SUVs
• Noise or looseness related to suspension indexing wear

Installation Notes and Tips

Verify torsion bar suspension configuration before installation. Use the correct service procedure for unloading and re-indexing the torsion bar system, then torque fasteners to the vehicle manufacturer’s specifications. Confirm front fitment for the exact year, make, and model before ordering.

Quality Assurance

Mevotech MS43908 is a steel suspension component built for direct replacement service on listed Ford and Lincoln front applications. Confirm part number MS43908 against the vehicle’s suspension layout and OE reference before installation.