HomeSuspension > Suspension, Springs and Related ComponentsUnity 31-516200-AWD Air Spring to Coil Spring Conversion Kit - Rear
Part #: 31-516200-AWD

Unity 31-516200-AWD Air Spring to Coil Spring Conversion Kit - Rear

Pre-assembled Complete Strut Assembly Conversion Kit, Rear
⚙️ 6 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Pre-assembled Complete Strut Assembly Conversion Kit, Rear
🚗Fitment: Lexus, RX330, RX350, and RX400h
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Unity Air Spring to Coil Spring Conversion Kit

The Unity Pre-assembled Complete Strut Assembly Conversion Kit offers a reliable solution for Lexus RX330, RX350, and RX400h owners looking to convert their air suspension to a coil spring setup. Designed for AWD models, this kit simplifies the upgrade process while maintaining suspension performance.

  • Pre-assembled complete strut assembly for straightforward installation
  • Specifically engineered for Lexus RX330, RX350, and RX400h AWD models
  • Converts air spring suspension to coil spring suspension
  • Durable construction designed to meet OEM standards
  • Part number 31-516200-AWD ensures exact fitment and compatibility

Details on the Pre-assembled Complete Strut Assembly Conversion Kit

The Unity Pre-assembled Complete Strut Assembly Conversion Kit is part of a product line focused on providing ready-to-install suspension components that replace air springs with coil springs. This conversion kit is pre-assembled to reduce installation time and complexity, offering a direct replacement for the air spring system on compatible Lexus models. By switching to coil springs, this kit addresses common issues related to air suspension wear and failure, providing a more conventional suspension setup.

Compatible Vehicles and Applications

This conversion kit is compatible with the following Lexus models equipped with all-wheel drive:

  • Lexus RX330 AWD
  • Lexus RX350 AWD
  • Lexus RX400h AWD

It is designed to replace the factory air spring suspension system with a coil spring alternative, suitable for owners seeking a durable and maintenance-friendly suspension solution.

Common Issues Addressed by This Conversion Kit

  • Air spring leaks or failures causing uneven ride height
  • Expensive air suspension repairs or replacements
  • Reduced suspension reliability due to aging air components
  • Desire to eliminate air compressor and related system components
  • Improved suspension consistency and simplified maintenance

Installation Notes and Tips

Installation of the Unity 31-516200-AWD kit requires removal of the existing air spring and strut assembly. Since the kit is pre-assembled, it reduces the need for additional assembly steps. It is recommended to have the installation performed by a qualified technician familiar with Lexus suspension systems. Proper alignment and torque specifications should be followed to ensure optimal performance and safety.

Quality Assurance and Warranty

Unity manufactures this conversion kit to meet or exceed OEM quality standards, ensuring durability and fitment accuracy. While specific warranty details are not provided, Unity products typically come with a limited warranty against defects in materials and workmanship. Buyers should verify warranty terms with the supplier or manufacturer.

This part fits 6 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2007LexusRX350AWDRearExcludes Front Wheel Drive; Pre-Assembled Complete Strut Assembly Kit Replacing Air/Electronic Strut Assemblies; Pre-assembled Complete Strut Assembly Conversion Kit
2007LexusRX400hAWDRearExcludes Front Wheel Drive; Pre-Assembled Complete Strut Assembly Kit Replacing Air/Electronic Strut Assemblies; Pre-assembled Complete Strut Assembly Conversion Kit
2006LexusRX330AWDRearExcludes Front Wheel Drive; Pre-Assembled Complete Strut Assembly Kit Replacing Air/Electronic Strut Assemblies; Pre-assembled Complete Strut Assembly Conversion Kit
2006LexusRX400hAWDRearExcludes Front Wheel Drive; Pre-Assembled Complete Strut Assembly Kit Replacing Air/Electronic Strut Assemblies; Pre-assembled Complete Strut Assembly Conversion Kit
2005LexusRX330AWDRearExcludes Front Wheel Drive; Pre-Assembled Complete Strut Assembly Kit Replacing Air/Electronic Strut Assemblies; Pre-assembled Complete Strut Assembly Conversion Kit
2004LexusRX330AWDRearExcludes Front Wheel Drive; Pre-Assembled Complete Strut Assembly Kit Replacing Air/Electronic Strut Assemblies; Pre-assembled Complete Strut Assembly Conversion Kit

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.