HomeSuspension > Suspension, Springs and Related ComponentsUnity 65993C Air Spring to Coil Spring Conversion Kit - Rear
Part #: 65993C

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

Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit, Rear
27 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit, Rear
Fitment: Ford, Lincoln, and Mercury, Crown Victoria, Town Car, and Grand Marquis
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 Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit (part number 65993C) offers a cost-effective solution for rear suspension upgrades on select Ford, Lincoln, and Mercury vehicles. Designed primarily for 2003 to 2011 models, this kit provides a reliable alternative to air suspension systems, especially for Ford Crown Victoria owners.

  • Compatible with 2003-2011 Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis
  • Rear position conversion from electronic or passive air springs to coil springs
  • Economy-grade product designed as a low-cost alternative to air suspension
  • Part number 65993C for precise identification and fitment
  • Supports vehicles with a total part VIO (vehicles in operation) of 669,540

Product Line Details: Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit

The Unity Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit line focuses on converting complex air suspension setups to simpler coil spring systems. This product line is tailored for vehicles originally equipped with electronic or passive air springs, providing a straightforward retrofit option that reduces maintenance and replacement costs. The 65993C kit fits within this line by targeting rear suspension components on select Ford, Lincoln, and Mercury models, offering a practical upgrade path for owners seeking durability and ease of service.

Detailed Product Description

This conversion kit replaces the rear electronic or passive air springs with coil springs, simplifying the suspension system on compatible vehicles. It is specifically engineered for Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis models from 2003 through 2011. By switching to coil springs, the kit eliminates the need for air compressors and electronic controls associated with air suspension, reducing potential failure points. The economy-grade classification reflects its focus on affordability without compromising essential functionality. The kit’s part number 65993C ensures compatibility and ease of ordering for technicians and vehicle owners.

Common Applications and Problem Solving

  • Eliminates costly air suspension compressor failures
  • Resolves issues with air spring leaks or ruptures
  • Addresses electronic air suspension sensor malfunctions
  • Reduces maintenance complexity on rear suspension
  • Provides a stable and consistent ride height without air system adjustments

Installation Notes and Tips

  • Recommended for rear suspension only, as specified
  • Compatible with Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis models from 2003 to 2011
  • Professional installation advised due to suspension component replacement
  • Verify vehicle year and model before installation to ensure proper fitment
  • Inspect related suspension components during installation for wear or damage

Quality Assurance and Warranty

The Unity 65993C conversion kit is manufactured to meet economy-grade standards, providing a reliable and cost-effective suspension solution. While specific warranty details are not provided, Unity products typically adhere to industry quality controls to ensure fitment and function. Users should consult product documentation or contact the manufacturer for warranty information related to this part.

BrandUnity
Part Number65993C
PositionElectronic to Passive Air Spring to Coil Spring Shock Conversion Kit, Rear
Max Year Covered2011
Min Year Covered2003
Most Popular Make / ModelFord Crown Victoria
Most Popular Year2003
PositionRear
Product GradeEconomy
Special NoteLow Cost Alternative To Air Suspension
Total Part VIO669540

This part fits 27 vehicles. Search below:

YearMakeModelPositionNotes
2011FordCrown VictoriaRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2011LincolnTown CarRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2011MercuryGrand MarquisRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2010FordCrown VictoriaRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2010LincolnTown CarRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2010MercuryGrand MarquisRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2009FordCrown VictoriaRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2009LincolnTown CarRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2009MercuryGrand MarquisRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2008FordCrown VictoriaRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2008LincolnTown CarRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2008MercuryGrand MarquisRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2007FordCrown VictoriaRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2007LincolnTown CarRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2007MercuryGrand MarquisRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2006FordCrown VictoriaRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2006LincolnTown CarRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2006MercuryGrand MarquisRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2005FordCrown VictoriaRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2005LincolnTown CarRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2005MercuryGrand MarquisRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2004FordCrown VictoriaRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2004LincolnTown CarRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2004MercuryGrand MarquisRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2003FordCrown VictoriaRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2003LincolnTown CarRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2003MercuryGrand MarquisRearKit Includes (2) Shock Absorbers (2) Springs (4) Spring Seats (4) Bushings (4) Washers (2) Nuts Converting Air/Electronic Suspension to Standard Suspension; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit

* 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:

3U2Z18124BG3W1Z18124AA3W1Z18125CA3W7Z18124AA3W7Z18124BA3W7Z18124CA3W7Z18124GA3W7Z18125DA3W7Z18125EA3W7Z18125FA3W7Z18125GA4W1Z18124AA4W1Z18125AA4W7Z18124AA4W7Z18124BA4W7Z18124CA4W7Z18124DA4W7Z18125AA4W7Z18125BA4W7Z18125CA4W7Z18125DA6W1Z18124A6W1Z18125A6W7Z18124A6W7Z18124B6W7Z18124C6W7Z18124D6W7Z18125B6W7Z18125C6W7Z18125D7W1Z18124A7W1Z18125A7W1Z18125E7W7Z18124A7W7Z18124C7W7Z18124D7W7Z18125B7W7Z18125C7W7Z18125D8W1Z18125B9W1Z18124AAW7Z18125BABW1Z18125ABW7Z181125ABW7Z18124ABW7Z18124BBW7Z18125ABW7Z18125BE5VY18125EE5VY18125FFOAZ18125AFOAZ18125BNOT18125AVXW3Z18125AA

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.