Unity 32-515500 Shock Absorber Conversion Kit - Rear
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Unity
 Electronic to Passive Gas Shock Conversion Kit

Unity 32-515500 Shock Absorber Conversion Kit - Rear

Brand Unity 32-515500
Position Rear
Product line Electronic to Passive Gas Shock Conversion Kit
Fits Cadillac · 24 vehicles

Electronic to passive conversion. Converts an electronic shock setup to a passive gas shock system.

Suspension shock kit. A conversion kit for replacing a shock absorber assembly.

Unity Automotive. Backed by decades of aftermarket suspension manufacturing experience.

$238.86Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Shock Absorber Conversion Kits are typically replaced in pairs, axle by axle.
Order total $238.86
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Electronic to Passive Gas Shock Conversion

Unity 32-515500 is an electronic to passive gas shock conversion kit for rear suspension service on select Cadillac applications. It is built for vehicles originally equipped with auto-leveling air shocks and provides a passive gas shock replacement path with helper springs and resistors for a cleaner conversion.

Compatible with Cadillac CTS, Cadillac STS, and Cadillac SRX rear suspension setups that require a passive gas shock conversion, this kit supports a direct repair approach for vehicles that no longer need the factory electronic air shock system. Unity Automotive 32-515500 is part of the brand’s Electronic to Passive Gas Shock Conversion Kit line.

Key Features

  • Electronic to passive gas shock conversion kit for rear suspension
  • Designed for vehicles with auto-leveling air shocks
  • Includes helper springs for the rear conversion setup
  • Includes resistors for electronic system compatibility
  • Rear-position application for select Cadillac models
  • Unity part number 32-515500

Vehicle Fitment

  • Fits 2003-2013 Cadillac CTS, rear; passive gas shocks with helper springs to replace rear auto leveling air shocks; includes resistors; electronic to passive gas shock conversion kit.
  • Fits 2005-2011 Cadillac STS, rear; passive gas shocks with helper springs to replace rear auto leveling air shocks; includes resistors; electronic to passive gas shock conversion kit.
  • Fits 2004-2009 Cadillac SRX, rear; passive gas shocks with helper springs to replace rear auto leveling air shocks; includes resistors; electronic to passive gas shock conversion kit.

What It Helps Resolve

  • Rear air shock failure on Cadillac CTS, STS, or SRX models
  • Problems caused by worn auto-leveling suspension components
  • Electronic suspension warning issues related to shock conversion
  • Ride quality loss from aging rear shock assemblies
  • Need to convert from electronic air shocks to passive gas shocks

Installation Notes and Tips

Verify rear suspension configuration before ordering. This kit is intended for the listed Cadillac CTS, STS, and SRX applications with rear auto-leveling air shocks. Follow vehicle-specific service procedures during installation and confirm resistor placement as part of the conversion process. Part number 32-515500 should be matched to the exact year, model, and rear suspension setup shown in the fitment data.

Quality Assurance

Unity Automotive has more than 40 years of aftermarket manufacturing experience and offers broad suspension coverage across thousands of SKUs. The brand focuses on suspension innovation and application coverage for repair-focused replacement parts.

Related reading

This part fits 24 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2013CadillacCTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2012CadillacCTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2011CadillacCTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2011CadillacSTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2010CadillacCTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2010CadillacSTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2009CadillacCTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2009CadillacSRXRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2009CadillacSTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2008CadillacCTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2008CadillacSRXRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2008CadillacSTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2007CadillacCTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2007CadillacSRXRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2007CadillacSTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2006CadillacCTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2006CadillacSRXRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2006CadillacSTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2005CadillacCTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2005CadillacSRXRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2005CadillacSTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2004CadillacCTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2004CadillacSRXRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit
2003CadillacCTSRearPassive Gas Shocks (2) with Helper Springs to Replace Rear Auto Leveling Air Shocks; Includes Resistors; Electronic to Passive Gas Shock Conversion Kit