HomeUnity 30-515000-ESV Air Spring to Coil Spring Conversion Kit - Rear
Part #: 30-515000-ESV

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

Electronic to Passive Air Spring to Coil Spring Conversion Kit, Rear
46 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Electronic to Passive Air Spring to Coil Spring Conversion Kit, Rear
Fitment: Cadillac and Chevrolet, Escalade ESV, Suburban 1500, Escalade EXT, and Avalanche
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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:

YearMakeModelPositionNotes
2014CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2014ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2013CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2013CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2013ChevroletAvalancheRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2013ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2012CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2012CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2012ChevroletAvalancheRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2012ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2011CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2011CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2011ChevroletAvalancheRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2011ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2010CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2010CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2010ChevroletAvalancheRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2010ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009ChevroletAvalancheRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2009ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008ChevroletAvalancheRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2008ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007ChevroletAvalancheRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2007ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2006CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2006CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2006ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2005CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2005CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2005ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2004CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2004CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2004ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2003CadillacEscalade ESVRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2003CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2003ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2002CadillacEscalade EXTRearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2002ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2001ChevroletSuburban 1500RearIncludes (2) Springs (4) Rubber Isolators Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Conversion Kit
2000ChevroletSuburban 1500RearIncludes (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.