Unity 30-514200-4-KIT Air Spring to Coil Spring Conversion Kit - Rear

Rear Suspension Conversion Kit for Armada and QX56

Restore a standard rear suspension setup on select Nissan Armada and INFINITI QX56 models with the Unity 30-514200-4-KIT. This electronic to passive air spring to coil spring shock conversion kit is built for rear applications that originally used air or electronic suspension components.

Compatible With 2005-2015 Nissan Armada, rear, and 2004-2010 INFINITI QX56, rear, this kit provides the parts needed to convert the rear suspension to a conventional coil spring and shock absorber arrangement.

Key Features

• Electronic to passive air spring to coil spring shock conversion kit
• Rear suspension application for select Nissan Armada and INFINITI QX56 models
• Includes coil springs, rubber isolators, and shock absorbers
• Direct fitment for vehicles originally equipped with air or electronic rear suspension
• Unity part number 30-514200-4-KIT for application matching and catalog lookup

Product Details

The Unity Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit is intended for drivers replacing rear air suspension components with a conventional spring-and-shock setup. It is a fitment-specific solution for the Nissan Armada and INFINITI QX56, helping simplify the rear suspension system while maintaining the correct ride-height architecture for the listed applications. This part number, 30-514200-4-KIT, is referenced for rear conversion use on the covered model years.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Reasons for Replacement

• Rear air suspension warning lights or electronic suspension faults
• Sagging rear ride height from aging air suspension components
• Compressor cycling caused by leaking air springs or related hardware
• Uneven rear stance or inconsistent load support
• Need to convert from air/electronic suspension to standard coil spring suspension

Installation Notes

Fits 2005-2015 Nissan Armada, rear, excluding rear wheel drive. Fits 2004-2010 INFINITI QX56, rear, excluding rear wheel drive. Shock absorbers are required to be replaced when converting from air to coil, and the shocks provided in this kit satisfy that requirement for the listed applications. Verify rear suspension configuration before installation and confirm vehicle-specific fitment by year, make, and model.

Quality Assurance

Unity suspension components are cataloged for vehicle-specific replacement use, and this conversion kit is listed for the exact rear applications shown above. Use the part number 30-514200-4-KIT to confirm the correct kit for your Nissan Armada or INFINITI QX56.