HomeUnity 31-013500-4-S Air Spring to Coil Spring Conversion Kit - Front and Rear
Part #: 31-013500-4-S

Unity 31-013500-4-S Air Spring to Coil Spring Conversion Kit - Front and Rear

Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module, Front and Rear
8 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module, Front and Rear
Fitment: Mercedes-Benz, S430 and S500
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 with Bypass Module offers a reliable solution for Mercedes-Benz S430 and S500 models requiring suspension upgrades. Designed to convert air spring systems to coil spring setups, this kit simplifies suspension maintenance and improves durability.

  • Pre-assembled strut assembly for straightforward installation
  • Includes bypass module for enhanced suspension performance
  • Specifically engineered for Mercedes-Benz S430 and S500 models
  • Part number 31-013500-4-S ensures precise fitment
  • Converts air spring suspension to coil spring configuration

Product Line Details: Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module

This product is part of Unity's Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module line, which focuses on providing ready-to-install suspension components that replace air springs with coil springs. The inclusion of a bypass module helps maintain proper damping characteristics, making it a practical choice for Mercedes-Benz vehicles originally equipped with air suspension systems.

Detailed Product Description

The Unity 31-013500-4-S conversion kit is designed to replace the air spring suspension on Mercedes-Benz S430 and S500 models with a coil spring setup. This conversion addresses common issues related to air spring failures by providing a durable coil spring alternative. The pre-assembled nature of the strut assembly reduces installation time and complexity, while the bypass module ensures that suspension performance remains consistent with factory standards. This kit is engineered to fit precisely, maintaining proper ride height and handling characteristics.

Common Applications and Problem Solving

  • Replacement for failed or leaking air springs on Mercedes-Benz S430 and S500
  • Eliminates costly air suspension compressor repairs
  • Prevents suspension sag and uneven ride height
  • Improves reliability in vehicles with aging air suspension components
  • Provides a cost-effective alternative to full air suspension system repairs

Installation Notes and Tips

  • Designed for direct fitment on Mercedes-Benz S430 and S500 models
  • Pre-assembled strut assembly reduces installation time
  • Ensure proper torque specifications are followed during installation
  • Verify compatibility with vehicle model year and suspension configuration before installation
  • Professional installation is recommended for optimal results

Quality Assurance and Warranty

Unity manufactures this conversion kit to meet industry standards for durability and fitment. The part number 31-013500-4-S undergoes quality control to ensure reliable performance. Warranty details should be confirmed with the supplier or manufacturer, as coverage may vary.

This part fits 8 vehicles. Search below:

YearMakeModelDrive TypePositionNotes
2006Mercedes-BenzS430AWDFront and RearW/ Airmatic; Excludes RWD; Pre-Assembled Complete Strut Assembly Kit Replacing Air Strut Assemblies; Includes Ride Light Byass Module; ; Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module
2006Mercedes-BenzS500AWDFront and RearW/ Airmatic; Excludes RWD; Pre-Assembled Complete Strut Assembly Kit Replacing Air Strut Assemblies; Includes Ride Light Byass Module; ; Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module
2005Mercedes-BenzS430AWDFront and RearW/ Airmatic; Excludes RWD; Pre-Assembled Complete Strut Assembly Kit Replacing Air Strut Assemblies; Includes Ride Light Byass Module; ; Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module
2005Mercedes-BenzS500AWDFront and RearW/ Airmatic; Excludes RWD; Pre-Assembled Complete Strut Assembly Kit Replacing Air Strut Assemblies; Includes Ride Light Byass Module; ; Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module
2004Mercedes-BenzS430AWDFront and RearW/ Airmatic; Excludes RWD; Pre-Assembled Complete Strut Assembly Kit Replacing Air Strut Assemblies; Includes Ride Light Byass Module; ; Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module
2004Mercedes-BenzS500AWDFront and RearW/ Airmatic; Excludes RWD; Pre-Assembled Complete Strut Assembly Kit Replacing Air Strut Assemblies; Includes Ride Light Byass Module; ; Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module
2003Mercedes-BenzS430AWDFront and RearW/ Airmatic; Excludes RWD; Pre-Assembled Complete Strut Assembly Kit Replacing Air Strut Assemblies; Includes Ride Light Byass Module; ; Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module
2003Mercedes-BenzS500AWDFront and RearW/ Airmatic; Excludes RWD; Pre-Assembled Complete Strut Assembly Kit Replacing Air Strut Assemblies; Includes Ride Light Byass Module; ; Pre-assembled Complete Strut Assembly Conversion Kit with Bypass Module

* 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.