OE Quality
60-Day Returns

Unity 30-515000-ESV Air Spring to Coil Spring Conversion Kit - Rear
Overview of Unity Air Spring to Coil Spring Conversion Kit
The Unity Electronic to Passive Air Spring to Coil Spring Conversion Kit (part number 30-515000-ESV) offers a reliable solution for owners of select Cadillac and Chevrolet trucks and SUVs. Designed to replace electronic air springs with a passive coil spring setup, this kit is compatible with Cadillac Escalade ESV, Escalade EXT, and Chevrolet Avalanche and Suburban 1500 models.
- Converts electronic air suspension to passive coil spring suspension
- Compatible with Cadillac Escalade ESV, Escalade EXT, Chevrolet Avalanche, and Suburban 1500
- Part number 30-515000-ESV for precise identification
- Designed for suspension systems requiring air spring to coil spring conversion
- Includes all necessary components for a straightforward installation
About the Electronic to Passive Air Spring to Coil Spring Conversion Kit
The Unity Electronic to Passive Air Spring to Coil Spring Conversion Kit is part of a specialized product line focused on converting electronic air suspension systems to passive coil spring setups. This conversion kit is engineered to provide a durable and effective alternative for vehicles originally equipped with electronic air springs, allowing for simplified suspension maintenance and improved reliability in certain applications. The kit supports a seamless transition while maintaining proper suspension geometry and ride height for the specified Cadillac and Chevrolet models.
Detailed Product Description
This conversion kit replaces the electronic air springs found on select Cadillac and Chevrolet vehicles with passive coil springs, eliminating the need for air compressors and electronic controls. The part number 30-515000-ESV ensures compatibility with the Cadillac Escalade ESV, Escalade EXT, Chevrolet Avalanche, and Suburban 1500. By switching to coil springs, this kit can reduce maintenance complexity and potential air suspension failures. The components are designed to fit precisely within the existing suspension architecture, preserving vehicle handling characteristics and load capacity.
Common Applications and Issues Addressed
- Resolving air spring leaks or failures in Cadillac Escalade ESV and EXT models
- Eliminating compressor and air line maintenance on Chevrolet Avalanche and Suburban 1500
- Providing a cost-effective alternative to repairing electronic air suspension systems
- Improving suspension reliability in vehicles with aging air spring components
- Facilitating suspension upgrades or modifications requiring coil springs
Installation Notes and Tips
Installation of the Unity 30-515000-ESV kit requires basic suspension knowledge and tools. It is recommended to have the vehicle securely lifted and supported before beginning work. Removal of the existing electronic air springs and associated hardware is necessary, followed by installation of the coil springs and any included mounting components. Proper torque specifications should be followed to ensure safety and performance. After installation, verify suspension travel and ride height to confirm correct setup.
Quality Assurance and Warranty
Unity manufactures this conversion kit to meet industry standards for durability and fitment. While specific warranty details are not provided here, Unity products typically come with a limited warranty against defects in materials and workmanship. Users should consult the product packaging or Unity’s official documentation for exact warranty terms related to part number 30-515000-ESV.
This part fits 46 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2014 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2014 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2013 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2013 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2013 | Chevrolet | Avalanche | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2013 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2012 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2012 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2012 | Chevrolet | Avalanche | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2012 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2011 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2011 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2011 | Chevrolet | Avalanche | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2011 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2010 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2010 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2010 | Chevrolet | Avalanche | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2010 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2009 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2009 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2009 | Chevrolet | Avalanche | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2009 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2008 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2008 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2008 | Chevrolet | Avalanche | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2008 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2007 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2007 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2007 | Chevrolet | Avalanche | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2007 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2006 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2006 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2006 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2005 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2005 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2005 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2004 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2004 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2004 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2003 | Cadillac | Escalade ESV | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2003 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2003 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2002 | Cadillac | Escalade EXT | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2002 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2001 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
| 2000 | Chevrolet | Suburban 1500 | Rear | Includes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.