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Unity 15-543000 rear air spring, black rubber bellows with metal end caps

Unity

Unity 15-543000 Rear Air Spring

SKU CH-AGHP-Y5KSP

Replacement rear air spring restores air suspension on heavy-duty 1990-2011 Lincoln Town Car, Mercury Grand Marquis and 1992-2011 Ford Crown Victoria models

  • Restores air suspension for safe, comfortable ride
  • Designed for heavy-duty Crown Victoria, Town Car, Grand Marquis
  • Fits 1992-2011 Ford, 1990-2011 Lincoln and Mercury models
  • Backed by 50 years of aftermarket suspension manufacturing
  • Direct-replacement air spring ensures trouble-free installation

Unity Rear Air Spring 15-543000

This Unity rear air spring replaces worn suspension components on heavy-duty Ford Crown Victoria, Lincoln Town Car and Mercury Grand Marquis models from 1990 to 2011. It restores the factory air-ride system so the vehicle maintains proper ride height and load-carrying capacity.

Thermals noise and power draw

As a passive suspension part the air spring generates no heat, draws no electrical power and produces no audible noise during normal operation. Its rubber and metal construction simply absorbs road inputs and supports the vehicle weight.

Upgrade path and fitment

The spring directly replaces the original equipment air spring on heavy-duty Crown Victoria, Town Car and Grand Marquis models built between 1990 and 2011. It is not for standard-duty models or for vehicles outside that year range.

Highlights

  • Restores air suspension for safe, comfortable ride
  • Designed for heavy-duty Crown Victoria, Town Car, Grand Marquis
  • Fits 1992-2011 Ford, 1990-2011 Lincoln and Mercury models
  • Backed by 50 years of aftermarket suspension manufacturing
  • Direct-replacement air spring ensures trouble-free installation

Specifications

BrandUNITY

Questions about this item

How do I install the 15-543000 rear air spring on my 1992 Ford Crown Victoria?

Jack up the rear, support the axle, deflate the system, unbolt the old spring from the frame and lower mount, fit the new unit in reverse order, then inflate to spec and check for leaks before lowering the vehicle.

When will the 15-543000 air spring need replacement?

Replace it when you see cracking on the rubber bellows, hear hissing leaks, or notice the rear sagging overnight on your 1990-2011 Lincoln Town Car heavy-duty model.

What is the first limit I hit driving a loaded 1990 Mercury Grand Marquis with this air spring?

The rubber bellows will overheat and fatigue first under sustained heavy loads, leading to loss of pressure and reduced ride height on the heavy-duty chassis.

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