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Cardboard box containing rear coil spring conversion kit components

Unity

Unity 30-515000 Rear Coil Spring Conversion Kit 2000-2014

SKU CH-JQBS-HA9Y8

Converts factory air suspension to steel coil springs for 2000-2014 Chevrolet Tahoe, GMC Yukon and 2002-2014 Cadillac Escalade models

  • Product typeInstallation Tools
  • Converts air suspension to reliable steel springs
  • Fits Cadillac Escalade 2002-2014 models precisely
  • Fits Chevrolet Tahoe 2000-2014 models precisely
  • Fits GMC Yukon 2000-2014 models precisely
  • Complete kit includes all parts and instructions

Rear Coil Spring Conversion Kit

The Unity 30-515000 kit replaces the factory air suspension on 2000-2014 Chevrolet Tahoe, GMC Yukon and 2002-2014 Cadillac Escalade models. It provides a passive steel spring setup for owners who want to eliminate air-ride maintenance. The package contains every component and the instructions needed to complete the installation.

Non-Air Steel Spring Suspension

This conversion changes the rear suspension from an air-based system to a conventional coil spring arrangement. It removes the compressor, air bags and associated electronics that can develop leaks or sensor faults over time. The kit is engineered as a direct retrofit for the listed vehicle applications.

Sustained Load Behaviour

Steel coil springs deliver a consistent spring rate regardless of how long the vehicle carries a load. They do not lose pressure or sag after extended use the way an air system can when seals degrade. The passive design maintains ride height without requiring a functioning compressor or height sensors.

How it compares

Measured against everything we stock in Car Audio Accessories & Wiring, at today’s prices. Recalculated every night.

Price $82.99
Pricier than about 80% of the 2,768 comparable items (median $21.99).

Specifications

Product
Product typeInstallation Tools

Questions about this item

How does converting to steel springs change the ride compared to the factory air suspension?

The kit replaces the air bags with passive steel coil springs, removing the compressor and air lines so the rear ride height stays fixed without the risk of leaks or compressor failure.

Which vehicles does the 30-515000 kit fit?

It fits 2002-2014 Cadillac Escalade, 2000-2014 Chevrolet Tahoe and 2000-2014 GMC Yukon models equipped with rear air suspension.

What space and weight should I plan for when the box arrives?

The package measures 22 x 14 x 13 inches and weighs 50 lbs, so allow room for a parcel of that size and have help ready to lift it.

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