Unity 31-132500-A Air Spring to Coil Spring Conversion Kit - Front

Rear Suspension Conversion Kit

Unity 31-132500-A is a rear air spring to coil spring conversion kit for drivers replacing air suspension components with a conventional coil spring setup. It is built as a pre-assembled complete strut assembly conversion kit for a direct-service suspension repair on supported applications.

Compatible with Audi Q7, Porsche Cayenne, and Volkswagen Touareg applications that require rear suspension conversion service, this part number 31-132500-A is intended for vehicles where the original air suspension has failed or is being converted away from air suspension. Unity Automotive draws on more than 40 years in aftermarket suspension manufacturing and builds its systems to OEM specifications.

Key Features

• Rear air spring to coil spring conversion kit
• Pre-assembled complete strut assembly conversion design
• Built for rear suspension service on supported vehicles
• OEM-specification construction for application-specific fitment
• Unity part number 31-132500-A

Vehicle Fitment

• Fits 2007-2015 Audi Q7, front; for air suspension conversion; for electronic suspension conversion reference part number 31-132500-E; pre-assembled complete strut assembly conversion kit
• Fits 2008-2010 Porsche Cayenne, front; for air suspension conversion; for electronic suspension conversion reference part number 31-132500-E; pre-assembled complete strut assembly conversion kit
• Fits 2003-2006 Porsche Cayenne, front; for air suspension conversion; for electronic suspension conversion reference part number 31-132500-E; pre-assembled complete strut assembly conversion kit
• Fits 2004-2010 Volkswagen Touareg, front; for air suspension conversion; for electronic suspension conversion reference part number 31-132500-E; pre-assembled complete strut assembly conversion kit

Common Repair Uses

• Replacing a failed air spring assembly with a coil spring conversion
• Addressing suspension warning lights tied to air suspension faults
• Restoring ride support after air suspension component wear
• Converting a vehicle away from electronic or air suspension service requirements
• Repairing front suspension issues on Audi Q7, Porsche Cayenne, and Volkswagen Touareg models

Installation Notes

Verify the vehicle’s suspension type before ordering. This listing is for rear suspension conversion service, while the fitment notes identify front-position applications for the supported Audi Q7, Porsche Cayenne, and Volkswagen Touareg vehicles. Confirm the original suspension configuration and reference part number 31-132500-E when the vehicle is equipped for electronic suspension conversion.

Quality Assurance

Unity Automotive has over 40 years of aftermarket suspension manufacturing experience and builds replacement suspension components to OEM specifications. The brand focuses on application-specific fitment and consistent production standards for supported vehicles.