Homeβ€Ί Suspension > Suspension, Springs and Related Componentsβ€Ί Unity 15-540000 Air Suspension Spring - Rear
Part #: 15-540000

Unity 15-540000 Air Suspension Spring - Rear

Air Suspension Spring/Bag, Rear
66 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement β€” Bolt-on fit, no modifications needed
Air Suspension Spring/Bag, Rear
Fitment: Ford, Lincoln, and Mercury, Crown Victoria, Town Car, and Grand Marquis
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Overview of Unity Air Suspension Spring/Bag 15-540000

The Unity Air Suspension Spring/Bag 15-540000 is designed specifically for the rear position of select Ford, Lincoln, and Mercury vehicles. This air suspension spring is engineered to restore proper ride height and improve suspension performance on models such as the Crown Victoria, Grand Marquis, Marauder, and Town Car.

  • Rear position air suspension spring compatible with select Ford, Lincoln, and Mercury vehicles
  • Part number 15-540000 for precise identification and fitment
  • Designed for use on Crown Victoria, Grand Marquis, Marauder, and Town Car models
  • Constructed to maintain proper ride height and suspension stability
  • Part of the Unity Air Suspension Spring/Bag product line for reliable air suspension components

Product Line Details: Unity Air Suspension Spring/Bag

The Unity Air Suspension Spring/Bag product line focuses on air suspension components that provide consistent performance and durability. This line includes air springs designed to replace worn or damaged suspension bags, helping to maintain vehicle ride quality and handling characteristics. The 15-540000 air suspension spring is part of this line, offering a direct replacement solution for rear suspension systems on compatible Ford, Lincoln, and Mercury vehicles.

Detailed Product Description

The Unity 15-540000 air suspension spring is engineered for the rear suspension of specific full-size sedans and luxury vehicles, including the Ford Crown Victoria, Lincoln Town Car, Mercury Grand Marquis, and Marauder. This component replaces the original air spring or bag, restoring the vehicle’s ability to maintain proper ride height and absorb road irregularities effectively. The air suspension spring is designed to integrate seamlessly with the existing suspension system, ensuring consistent performance and ride comfort.

Common Applications and Issues Addressed

  • Restores proper rear ride height on Ford Crown Victoria and Lincoln Town Car models
  • Replaces worn or leaking air suspension bags on Mercury Grand Marquis and Marauder
  • Improves suspension stability and handling on vehicles with air suspension systems
  • Addresses uneven vehicle stance caused by air spring failure
  • Helps eliminate air leaks and suspension sag in rear air springs

Installation Notes and Tips

Installation of the Unity 15-540000 air suspension spring requires basic suspension knowledge and appropriate tools. It is recommended to safely lift the vehicle and relieve air pressure from the suspension system before removal. Inspect related components such as air lines and fittings for damage or wear during installation. Proper torque specifications should be followed to ensure secure mounting and optimal performance.

Quality Assurance and Warranty

Unity manufactures the 15-540000 air suspension spring to meet or exceed OEM standards for durability and fitment. While specific warranty details are not provided here, Unity products typically come with a limited warranty covering defects in materials and workmanship. Users should consult product documentation or the manufacturer for exact warranty terms.

This part fits 66 vehicles. Search below:

YearMakeModelBody TypePositionNotes
2011FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2011LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2011MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2010FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2010LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2010MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2009FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2009LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2009MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2008FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2008LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2008MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2007FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2007LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2007MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2006FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2006LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2006MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2005FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2005LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2005MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2004FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2004LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2004MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2004MercuryMarauderRearAir Suspension Spring
2003FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2003LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2003MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2003MercuryMarauderRearAir Suspension Spring
2002FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2002LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2002MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2001FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2001LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2001MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2000FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2000LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
2000MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1999FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1999LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1999MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1998FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1998LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1998MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1997FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1997LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1997MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1996FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1996LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1996MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1995FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1995LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1995MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1994FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1994LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1994MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1993FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1993LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1993MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1992FordCrown VictoriaRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1992LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1992MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1991LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1991MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1990LincolnTown CarSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag
1990MercuryGrand MarquisSedanRearAir Suspension Strut - Designed to fit [specific make and model vehicles] for smooth and reliable performance.; Air Suspension Spring/Bag

* 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:

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