Unity 15400 Suspension Strut and Coil Spring Assembly - Rear

Rear Strut Assembly for Explorer and Mountaineer

Unity 15400 is a pre-assembled rear suspension strut and coil spring assembly built for direct replacement service. It is fully assembled and ready to install, making it a practical choice for restoring rear ride control on the 2006-2010 Ford Explorer and 2006-2010 Mercury Mountaineer.

Built to OEM specifications, this Unity rear strut assembly is intended for buyers who want a complete, plug-and-play replacement for worn suspension components. The Unity 15400 part number is also listed under common OE interchange references for the same application.

Key Features

• Pre-assembled complete strut assembly with coil spring and top mount
• Ready-to-install design for rear suspension service
• Built to OEM specifications for fit and function
• Fits 2006-2010 Ford Explorer, rear, excluding Explorer Sport Trac models
• Fits 2006-2010 Mercury Mountaineer, rear
• Unity 15400 replacement for rear suspension repair

Product Details

The Unity 15400 rear strut assembly is part of Unity Automotive’s suspension line, developed from more than 40 years of aftermarket manufacturing experience. The brand focuses on complete suspension assemblies that simplify replacement work while maintaining OE-style dimensions and performance targets. This unit is a fully assembled rear strut and coil spring package with a compressed length of 13.52, extended length of 19.39, travel length of 5.87, and body length of 13.02.

For fitment-based searches, this part is a direct rear suspension strut and coil spring assembly for 2006-2010 Ford Explorer rear applications and 2006-2010 Mercury Mountaineer rear applications. This part cross-references Monroe Shocks & Struts (e.g., 181125) for the same application.

Common Problems This Part Can Address

• Rear suspension noise from a worn strut assembly
• Excessive bouncing or reduced damping control
• Sagging rear ride height from a fatigued coil spring
• Uneven rear handling or unstable road feel
• Time-consuming rebuilds when a complete assembly is preferred

Installation Notes

Fits 2006-2010 Ford Explorer, rear, excluding Explorer Sport Trac models. Fits 2006-2010 Mercury Mountaineer, rear. Verify rear suspension configuration before installation and confirm the vehicle matches the listed application. Because this is a fully assembled unit, it is suited to plug-and-play replacement service where a complete strut assembly is preferred over rebuilding individual components.

Quality Assurance

Unity Automotive states that its suspension products are built to OEM specifications and backed by a customer satisfaction guarantee. The company positions this line as a direct-fit aftermarket solution for dependable suspension replacement.