Unity 15020 Suspension Strut and Coil Spring Assembly - Rear

Rear Strut Assembly for Buick Regal and More

Unity 15020 is a pre-assembled rear suspension strut and coil spring assembly built for direct replacement on select GM midsize cars. It is fully assembled and ready to install, making it a practical choice for restoring rear ride control on applications such as the Buick Regal, Pontiac Grand Prix, Oldsmobile Cutlass Supreme, and Chevrolet Lumina.

Key Features

• Pre-assembled complete strut assembly with coil spring and top mount
• Ready-to-install, plug-and-play design for rear suspension service
• Includes strut with mount, bump stop, and dust cover on listed applications
• Economy-grade replacement for everyday repair needs
• Coverage for 1988-1997 model years across select Buick, Pontiac, Oldsmobile, and Chevrolet vehicles
• Part number 15020 for catalog and fitment reference

Product Details

Unity Automotive 15020 is engineered as a complete rear strut assembly for vehicles that use a rear suspension strut and coil spring setup. The assembly is built for direct replacement on 1988-1996 Buick Regal rear applications, 1988-1996 Pontiac Grand Prix rear applications, 1988-1997 Oldsmobile Cutlass Supreme rear applications excluding all-wheel drive, and 1990-1994 Chevrolet Lumina rear applications. This part number 15020 is a straightforward option when replacing worn rear suspension components on these platforms.

Unity Automotive has more than 40 years of aftermarket suspension manufacturing experience and offers broad suspension coverage across thousands of SKUs. This product line focuses on ready-to-install suspension assemblies that reduce the need to transfer individual components during service.

This part cross-references Monroe Shocks & Struts (e.g., 181831) for the same application.

Common Repair Uses

• Rear suspension noise from worn strut mounts or internal wear
• Excessive bouncing or reduced damping at the rear of the vehicle
• Uneven rear ride height caused by aging coil spring components
• Clunking or rattling from deteriorated bump stop or dust cover components
• Restoration work on Buick Regal, Pontiac Grand Prix, Oldsmobile Cutlass Supreme, or Chevrolet Lumina rear suspension

Installation Notes

Verify year, make, model, and rear position before ordering. This assembly is listed for 1988-1997 Oldsmobile Cutlass Supreme rear, 1988-1996 Buick Regal rear, 1988-1996 Pontiac Grand Prix rear, and 1990-1994 Chevrolet Lumina rear. The Oldsmobile Cutlass Supreme application excludes all-wheel drive. Confirm suspension configuration and inspect related mounting points before installation.

Because this is a fully assembled unit, installation is simplified compared with rebuilding a strut from separate components. Always follow factory service procedures and torque specifications during replacement.

Quality Assurance

Unity Automotive manufactures aftermarket suspension parts with a focus on broad application coverage and consistent part construction. Part number 15020 is built as a complete rear strut assembly for direct replacement service on the listed vehicles.