Unity 30-515000-R Air Spring to Coil Spring Conversion Kit - Rear

Rear Air Spring Conversion for GM SUVs

Unity 30-515000-R is a rear electronic-to-passive air spring to coil spring conversion kit for select Cadillac, Chevrolet, and GMC full-size SUVs and trucks. It converts rear air shocks to coil-over shocks and includes a resistor/ride light bypass solution for vehicles originally equipped with electronic suspension monitoring.

Key Features

• Rear air spring to coil spring conversion for select GM applications
• Converts rear air shocks to coil-over shocks
• Includes resistors and ride light bypass kit
• Built to OEM specifications for fit and function
• Designed for Cadillac Escalade, Chevrolet Tahoe, Suburban, Avalanche, and GMC Yukon platforms
• Part number: 30-515000-R

Product Details

Unity Automotive has more than 40 years of aftermarket suspension manufacturing experience, and the 30-515000-R reflects that focus on replacement suspension components for high-demand vehicles. This rear conversion kit is made for drivers replacing electronic air suspension with a passive coil spring setup on applications such as the Cadillac Escalade, Chevrolet Tahoe, Chevrolet Suburban 1500, GMC Yukon, and related models. It is also listed for the Cadillac Escalade ESV, Escalade EXT, Chevrolet Avalanche, Suburban 2500, Avalanche 1500, Avalanche 2500, GMC Yukon XL 1500, and Yukon XL 2500. This part cross-references Arnott Industries C-2666 and Westar CK-7626 for the same application.

Common Problems This Kit Addresses

• Rear air shocks that no longer hold pressure
• Suspension warning lights caused by failed electronic air components
• Uneven rear ride height from aging air suspension parts
• Costly repeat repairs on factory air suspension systems
• Need to convert a failing electronic rear suspension to a passive coil spring setup

Installation Notes and Tips

Fits 2002-2014 Cadillac Escalade, rear; 2003-2014 Cadillac Escalade ESV, rear; 2002-2013 Cadillac Escalade EXT, rear; 2000-2014 Chevrolet Tahoe, rear; 2000-2014 Chevrolet Suburban 1500, rear; 2000-2013 Chevrolet Suburban 2500, rear; 2007-2013 Chevrolet Avalanche, rear; 2002-2006 Chevrolet Avalanche 1500, rear; 2002-2006 Chevrolet Avalanche 2500, rear; 2000-2014 GMC Yukon, rear; 2000-2014 GMC Yukon XL 1500, rear; and 2000-2013 GMC Yukon XL 2500, rear. Verify rear suspension configuration before installation and confirm the vehicle’s original air suspension system matches the listed application.

Quality Assurance

Unity builds aftermarket suspension components to OEM specifications and supports its product line with a customer satisfaction guarantee. The brand’s suspension catalog is developed around long-term durability and consistent replacement fitment for GM rear suspension conversion applications.