Westar CK-7800 Air Spring to Coil Spring Conversion Kit - Rear

Brand Westar CK-7800
Position Rear
Bullet 1 All product are new, we do not sell re-manufactured units
Bullet 2 Designed to be a more reliable alternative to the oem air suspens
Bullet 3 Designed to be a significant cost savings over the oem style air
Fits Ford, Lincoln, and Mercury · 66 vehicles

Air suspension alternative. A more reliable replacement for the OEM-style setup.

Cost-saving conversion kit. Delivers a significant savings over the original air suspension.

New components only. Westar does not sell remanufactured units.

Cross-references Arnott Industries C-2232, Cardone Reman 4J1011K and Suncore 40F-30-R for the same application. See all 3.

$191.33Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $191.33
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Free returns within 60 days if it doesn't fit when fitment is verified.

Rear Air Spring Conversion Kit for Ford, Lincoln, and Mercury

Westar CK-7800 is a rear air spring to coil spring conversion kit for select Ford Crown Victoria, Lincoln Town Car, Mercury Grand Marquis, and Mercury Marauder applications. It is built as a new replacement option for vehicles originally equipped with rear air suspension, with a focus on dependable service and lower ownership cost.

Key Features

  • All components are new; Westar does not sell remanufactured units.
  • Converts rear air suspension to a coil spring setup.
  • Provides a more reliable alternative to the OEM air suspension system.
  • Offers a significant cost savings versus OEM-style air suspension repairs.
  • Manufactured to strict industry standards, including ISO, QS, and TS requirements.

Product Details

Westar CK-7800 is engineered for rear suspension service on 1990-2011 Lincoln Town Car, 1990-2011 Mercury Grand Marquis, 1992-2011 Ford Crown Victoria, and 2003-2004 Mercury Marauder models. This conversion kit replaces failing rear air suspension components with a coil spring solution, making it a practical choice when the original air system is no longer economical to maintain. This part cross-references Arnott Industries C-2232 for the same application.

Common Problems This Kit Can Address

  • Rear air suspension sagging after parking.
  • Compressor cycling caused by leaking air springs.
  • Frequent air suspension warning lights or ride-height faults.
  • Repeated repair costs from aging OEM air suspension parts.
  • Need for a simpler rear suspension service path on Crown Victoria, Town Car, Grand Marquis, and Marauder models.

Installation Notes and Tips

  • Fits 1992-2011 Ford Crown Victoria, rear, coil springs plus any necessary adapters.
  • Fits 1990-2011 Lincoln Town Car, rear, coil springs.
  • Fits 1990-2011 Mercury Grand Marquis, rear, coil springs plus any necessary adapters.
  • Fits 2003-2004 Mercury Marauder, rear, springs & adapters.
  • Confirm rear suspension configuration before installation and follow vehicle-specific service procedures.

Quality Assurance

Westar manufactures air suspension components to strict industry standards, including ISO, QS, and TS specifications. CK-7800 is supplied as a new part for replacement use, not a remanufactured assembly.

This part fits 66 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelBody TypePositionNotes
2011FordCrown VictoriaRearCoil Springs plus any necessary adapters
2011LincolnTown CarSedanRearCoil Springs
2011MercuryGrand MarquisRearCoil Springs plus any necessary adapters
2010FordCrown VictoriaRearCoil Springs plus any necessary adapters
2010LincolnTown CarSedanRearCoil Springs
2010MercuryGrand MarquisRearCoil Springs plus any necessary adapters
2009FordCrown VictoriaRearCoil Springs plus any necessary adapters
2009LincolnTown CarSedanRearCoil Springs
2009MercuryGrand MarquisRearCoil Springs plus any necessary adapters
2008FordCrown VictoriaRearCoil Springs plus any necessary adapters
2008LincolnTown CarSedanRearCoil Springs
2008MercuryGrand MarquisRearCoil Springs plus any necessary adapters
2007FordCrown VictoriaRearCoil Springs plus any necessary adapters
2007LincolnTown CarSedanRearCoil Springs
2007MercuryGrand MarquisRearCoil Springs plus any necessary adapters
2006FordCrown VictoriaRearCoil Springs plus any necessary adapters
2006LincolnTown CarSedanRearCoil Springs
2006MercuryGrand MarquisRearCoil Springs plus any necessary adapters
2005FordCrown VictoriaRearCoil Springs plus any necessary adapters
2005LincolnTown CarSedanRearCoil Springs
2005MercuryGrand MarquisRearCoil Springs plus any necessary adapters
2004FordCrown VictoriaRearCoil Springs plus any necessary adapters
2004LincolnTown CarSedanRearCoil Springs
2004MercuryGrand MarquisRearCoil Springs plus any necessary adapters
2004MercuryMarauderRearSprings & Adapters
2003FordCrown VictoriaRearCoil Springs plus any necessary adapters
2003LincolnTown CarSedanRearCoil Springs
2003MercuryGrand MarquisRearCoil Springs plus any necessary adapters
2003MercuryMarauderRearSprings & Adapters
2002FordCrown VictoriaRearCoil Springs plus any necessary adapters
2002LincolnTown CarSedanRearCoil Springs
2002MercuryGrand MarquisRearCoil Springs plus any necessary adapters
2001FordCrown VictoriaRearCoil Springs plus any necessary adapters
2001LincolnTown CarSedanRearCoil Springs
2001MercuryGrand MarquisRearCoil Springs plus any necessary adapters
2000FordCrown VictoriaRearCoil Springs plus any necessary adapters
2000LincolnTown CarSedanRearCoil Springs
2000MercuryGrand MarquisRearCoil Springs plus any necessary adapters
1999FordCrown VictoriaRearCoil Springs plus any necessary adapters
1999LincolnTown CarSedanRearCoil Springs
1999MercuryGrand MarquisRearCoil Springs plus any necessary adapters
1998FordCrown VictoriaRearCoil Springs plus any necessary adapters
1998LincolnTown CarSedanRearCoil Springs
1998MercuryGrand MarquisRearCoil Springs plus any necessary adapters
1997FordCrown VictoriaRearCoil Springs plus any necessary adapters
1997LincolnTown CarSedanRearCoil Springs
1997MercuryGrand MarquisRearCoil Springs plus any necessary adapters
1996FordCrown VictoriaRearCoil Springs plus any necessary adapters
1996LincolnTown CarSedanRearCoil Springs
1996MercuryGrand MarquisRearCoil Springs plus any necessary adapters
1995FordCrown VictoriaRearCoil Springs plus any necessary adapters
1995LincolnTown CarSedanRearCoil Springs
1995MercuryGrand MarquisRearCoil Springs plus any necessary adapters
1994FordCrown VictoriaRearCoil Springs plus any necessary adapters
1994LincolnTown CarSedanRearCoil Springs
1994MercuryGrand MarquisRearCoil Springs plus any necessary adapters
1993FordCrown VictoriaRearCoil Springs plus any necessary adapters
1993LincolnTown CarSedanRearCoil Springs
1993MercuryGrand MarquisRearCoil Springs plus any necessary adapters
1992FordCrown VictoriaRearCoil Springs plus any necessary adapters
1992LincolnTown CarSedanRearCoil Springs
1992MercuryGrand MarquisRearCoil Springs plus any necessary adapters
1991LincolnTown CarSedanRearCoil Springs
1991MercuryGrand MarquisRearCoil Springs plus any necessary adapters
1990LincolnTown CarSedanRearCoil Springs
1990MercuryGrand MarquisRearCoil Springs plus any necessary adapters
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Arnott Industries — C-2232Cardone Reman — 4J1011KSuncore — 40F-30-R