FCS Q4036 Air Suspension Spring - Rear

Rear Air Suspension Spring for Ford, Lincoln, and Mercury

FCS Q4036 is a rear air suspension spring for select full-size Ford, Lincoln, and Mercury sedans. It is built for vehicles that use rear air spring suspension to maintain ride height and support the rear suspension system.

• Rear air suspension spring for select Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis applications
• Direct fitment for rear suspension service on listed vehicles
• Fits 1992-2011 Ford Crown Victoria, rear
• Fits 1990-2011 Lincoln Town Car, rear
• Fits 1992-2011 Mercury Grand Marquis, rear

Fitment and Application Details

Compatible With 1992-2011 Ford Crown Victoria, rear; 1990-2011 Lincoln Town Car, rear; and 1992-2011 Mercury Grand Marquis, rear. FCS Q4036 is the correct rear air suspension spring application for these platforms when replacing a worn or leaking air spring. This part number, Q4036, is commonly searched for rear suspension repair on Crown Victoria, Town Car, and Grand Marquis models.

Common Problems This Part Can Address

• Rear end sag from a leaking or weakened air spring
• Uneven ride height at the back of the vehicle
• Air suspension warning concerns related to loss of rear support
• Harsh ride caused by reduced air spring performance
• Visible cracking, dry rot, or air loss in the rear suspension spring

Installation Notes and Tips

Verify the vehicle’s rear suspension configuration before ordering and compare the original spring to the replacement part. Inspect related air suspension components, lines, and mounting points during service so the repair addresses the source of the ride-height issue. Professional installation is recommended for air suspension repairs.

Quality Assurance

FCS Q4036 is a cataloged suspension replacement part for the listed rear applications. This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.