Unity 15870 Suspension Strut and Coil Spring Assembly - Rear

Rear Strut Assembly for Subaru Outback

Unity 15870 is a pre-assembled rear suspension strut and coil spring assembly for the 2000-2004 Subaru Outback. It arrives fully assembled with the top mount and related components in place, making it a direct replacement for rear suspension service on this application.

Built to OEM specifications, this Unity suspension strut assembly is intended for drivers who need a ready-to-install rear strut solution for the Subaru Outback. The Unity 15870 platform is part of a suspension line developed from decades of aftermarket manufacturing experience and focused on consistent fit and installation confidence.

Key Features

• Pre-assembled complete strut assembly for rear suspension service
• Includes coil spring, top mount, and all components listed in the product description
• Ready to install with plug-and-play installation format
• Built to OEM specifications for the 2000-2004 Subaru Outback
• Compressed length: 11.82 in; travel length: 5.92 in; extended length: 17.74 in; body length: 11.22 in
• Economy-grade replacement for routine suspension repair
• Part number 15870 for catalog and fitment reference

Detailed Description

Unity 15870 is a rear suspension strut and coil spring assembly engineered for the 2000-2004 Subaru Outback. It is a fully assembled unit, which simplifies rear strut replacement by combining the strut, coil spring, and top mount into one service-ready assembly. This makes it a practical choice for restoring rear ride height, damping response, and suspension control on Subaru Outback models from 2000, 2001, 2002, 2003, and 2004. The part number 15870 also cross-references OE numbers 20310AE20A and 20310AE21A for the same application.

Common Issues This Part Can Address

• Rear suspension noise from worn strut components
• Excessive bouncing or reduced damping performance
• Sagging rear ride height from fatigued spring support
• Uneven rear suspension response on Subaru Outback models
• Time-consuming strut rebuilds when a complete assembly is preferred

Installation Notes and Tips

Fits 2000-2004 Subaru Outback, rear. Verify rear suspension configuration and compare the original strut dimensions before installation. Because this is a fully assembled unit, it is suited to direct replacement of the rear strut assembly on the listed Subaru Outback applications. Confirm part number 15870 against the vehicle’s original rear suspension setup before ordering.

Quality Assurance

Unity Automotive has more than 40 years of aftermarket manufacturing experience and builds suspension products to OEM specifications. The brand focuses on consistent fit, durable construction, and a broad suspension catalog for replacement applications.