Unity 65993C Air Spring to Coil Spring Conversion Kit - Rear

Rear Air Spring to Coil Spring Conversion

Restore the rear suspension on select Ford, Lincoln, and Mercury full-size sedans with the Unity 65993C air spring to coil spring conversion kit. This kit provides a low-cost alternative to air suspension service for vehicles that need a standard coil spring setup, with fitment for the 2003-2011 Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis.

Unity Automotive builds aftermarket suspension parts to OEM specifications and focuses on consistent assembly quality for long-term use. The 65993C conversion kit is a practical option for drivers looking for a rear suspension conversion on a Ford Crown Victoria, Lincoln Town Car, or Mercury Grand Marquis without continuing air suspension repairs.

Key Features

• Brand: Unity
• Part number: 65993C
• Rear position application
• Converts electronic or air suspension to standard coil spring suspension
• Economy-grade, low-cost alternative to air suspension service
• Built for 2003-2011 Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis applications
• OEM-specification approach for fit and assembly consistency

Detailed Description

The Unity 65993C is an electronic to passive air spring to coil spring shock conversion kit for rear suspension service on select Panther-platform vehicles. It is engineered for drivers who want to replace air suspension components with a standard coil spring setup while maintaining proper rear ride support. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Fits 2003-2011 Ford Crown Victoria, rear. Fits 2003-2011 Lincoln Town Car, rear. Fits 2003-2011 Mercury Grand Marquis, rear. The part number 65993C is a direct reference for shoppers searching for a rear air suspension conversion kit for these vehicles.

Common Problems This Kit Addresses

• Rear air suspension failure or loss of ride height
• Repeated air spring or electronic suspension repair costs
• Uneven rear stance caused by worn suspension components
• Need for a standard coil spring conversion on older full-size sedans
• Suspension noise or instability related to aging rear air components

Installation Notes and Tips

Verify rear suspension configuration before ordering and confirm vehicle year, make, and model against the fitment list. This kit is for rear applications only and is intended for vehicles originally equipped with air or electronic suspension that are being converted to a standard coil spring setup. Professional installation is recommended for suspension work, and all mounting points should be inspected for wear, corrosion, or damage before assembly.

Quality Assurance

Unity Automotive has more than 40 years of aftermarket manufacturing experience and produces suspension components to OEM specifications. The brand focuses on consistent assembly quality and customer satisfaction across its suspension product line, including conversion solutions like the 65993C.