Westar CK-7817 Air Spring to Coil Spring Conversion Kit - Rear
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Westar

Westar CK-7817 Air Spring to Coil Spring Conversion Kit - Rear

Brand Westar CK-7817
Position Rear
Fits Ford and Lincoln · 8 vehicles

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

Cost savings. A lower-cost option than the OEM-style air suspension.

New components only. Westar does not sell remanufactured units.

Cross-references Dorman 949-523 and Suncore 60F-30-R for the same application. See all 2.

$517.88Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $517.88
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Air Spring to Coil Spring Conversion Kit options

Rear Air Spring Conversion for Expedition and Navigator

Westar CK-7817 is an air spring to coil spring conversion kit for rear suspension service on select Ford Expedition and Lincoln Navigator models. It is built as a new replacement solution for owners who want to move away from the OEM air suspension setup and reduce ongoing repair costs.

Key Features

  • All product are new; Westar does not sell remanufactured units
  • Designed as a more reliable alternative to the OEM air suspension
  • Designed to deliver significant cost savings versus the OEM-style air suspension
  • Manufactured to strict industry standards, including ISO, QS, and TS requirements
  • Fits 2003-2006 Ford Expedition, rear
  • Fits 2003-2006 Lincoln Navigator, rear

Detailed Product Overview

Westar CK-7817 is engineered for rear suspension conversion on 2003-2006 Ford Expedition and 2003-2006 Lincoln Navigator applications. This kit is intended for drivers replacing failing air suspension components with a conventional coil spring setup, while keeping the vehicle-specific rear fitment in mind. This part cross-references Dorman 949-523 and Suncore 60F-30-R for the same application.

Common Problems This Kit Addresses

  • Rear ride height loss caused by aging air suspension components
  • Compressor cycling related to leaking or weak air springs
  • Uneven rear stance from worn OEM air suspension parts
  • Repeated air suspension repairs that increase maintenance costs
  • Need for a simpler rear suspension conversion on Expedition and Navigator models

Installation Notes and Tips

Verify rear fitment before ordering by matching the vehicle year, make, and model to the listing. This kit is for rear applications only on the listed Ford Expedition and Lincoln Navigator vehicles. Follow factory service procedures and inspect related suspension components during installation to confirm the rest of the rear suspension is in serviceable condition.

Quality Assurance

Westar manufactures air suspension components using quality parts and controlled production standards. CK-7817 is a new part, not a remanufactured unit, and is produced to meet industry-standard manufacturing expectations for suspension service.

Related reading

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2006FordExpeditionRear—
2006LincolnNavigatorRear—
2005FordExpeditionRear—
2005LincolnNavigatorRear—
2004FordExpeditionRear—
2004LincolnNavigatorRear—
2003FordExpeditionRear—
2003LincolnNavigatorRear—
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Dorman — 949-523Suncore — 60F-30-R