Unity
Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit

Unity 65005C Air Spring to Coil Spring Conversion Kit - Rear

Brand Unity 65005C
Position Rear
Product line Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
Fits Ford and Lincoln · 11 vehicles

OE-spec construction. Built to OEM specifications for a precise, dependable conversion.

Air spring conversion kit. Converts an electronic air spring setup to a coil spring design.

Backed by over 40 years of aftermarket suspension manufacturing experience.

Cross-references Arnott Industries C-2607, Westar CK-7808WS and 4J-1004K for the same application. See all 3.

$177.23Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $177.23
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Rear Air Spring to Coil Conversion Kit

Unity 65005C is a rear air spring to coil spring conversion kit for select Ford Expedition and Lincoln Navigator applications. It converts electronic or air suspension to a standard coil spring setup for drivers servicing rear suspension systems on 1997-2002 Ford Expedition and 1998-2002 Lincoln Navigator models, excluding all-wheel drive.

Key Features

  • Rear-position conversion kit for air/electronic suspension systems
  • Built for 1997-2002 Ford Expedition rear applications
  • Built for 1998-2002 Lincoln Navigator rear applications
  • Engineered to OEM specifications for proper suspension service
  • Unity Automotive part number 65005C
  • This part cross-references Arnott Industries C-2607 for the same application.

Product Details

The Unity Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit is part of Unity Automotive’s suspension-focused product line, developed from decades of aftermarket manufacturing experience. The 65005C is intended for rear suspension conversion on compatible Ford Expedition and Lincoln Navigator vehicles, replacing electronic or air spring operation with a standard coil spring arrangement. It is a direct-fit suspension service solution for vehicles that need rear ride-height and support restoration without the original air system configuration.

Compatible With: 1997-2002 Ford Expedition, rear; 1998-2002 Lincoln Navigator, rear. Part number 65005C is also referenced in the aftermarket under Westar CK-7808WS and Interchanges 4J-1004K.

Common Repair Uses

  • Rear suspension sag from aging air springs
  • Fault codes related to electronic or air suspension components
  • Uneven rear ride height on Expedition or Navigator models
  • Maintenance after air system leaks or compressor-related failures
  • Conversion from air/electronic rear suspension to standard suspension

Installation Notes

Verify rear fitment by year, make, model, and drivetrain before installation. This kit excludes all-wheel drive applications. Follow factory service procedures for suspension disassembly, ride-height setup, and final inspection after installation.

Quality Assurance

Unity Automotive has more than 40 years of aftermarket suspension manufacturing experience and builds its products to OEM specifications. The brand focuses on consistent assembly quality and suspension components engineered for long-term service.

This part fits 11 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelDrive TypePositionNotes
2002FordExpeditionRWDRearKit Includes (2) Shock Absorbers (2) Springs (2) Spring Seats Converting Air/Electronic Suspension to Standard Suspension; Excludes All Wheel Drive; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2002LincolnNavigatorRWDRearKit Includes (2) Shock Absorbers (2) Springs (2) Spring Seats Converting Air/Electronic Suspension to Standard Suspension; Excludes All Wheel Drive; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2001FordExpeditionRWDRearKit Includes (2) Shock Absorbers (2) Springs (2) Spring Seats Converting Air/Electronic Suspension to Standard Suspension; Excludes All Wheel Drive; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2001LincolnNavigatorRWDRearKit Includes (2) Shock Absorbers (2) Springs (2) Spring Seats Converting Air/Electronic Suspension to Standard Suspension; Excludes All Wheel Drive; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2000FordExpeditionRWDRearKit Includes (2) Shock Absorbers (2) Springs (2) Spring Seats Converting Air/Electronic Suspension to Standard Suspension; Excludes All Wheel Drive; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
2000LincolnNavigatorRWDRearKit Includes (2) Shock Absorbers (2) Springs (2) Spring Seats Converting Air/Electronic Suspension to Standard Suspension; Excludes All Wheel Drive; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
1999FordExpeditionRWDRearKit Includes (2) Shock Absorbers (2) Springs (2) Spring Seats Converting Air/Electronic Suspension to Standard Suspension; Excludes All Wheel Drive; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
1999LincolnNavigatorRWDRearKit Includes (2) Shock Absorbers (2) Springs (2) Spring Seats Converting Air/Electronic Suspension to Standard Suspension; Excludes All Wheel Drive; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
1998FordExpeditionRWDRearKit Includes (2) Shock Absorbers (2) Springs (2) Spring Seats Converting Air/Electronic Suspension to Standard Suspension; Excludes All Wheel Drive; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
1998LincolnNavigatorRWDRearKit Includes (2) Shock Absorbers (2) Springs (2) Spring Seats Converting Air/Electronic Suspension to Standard Suspension; Excludes All Wheel Drive; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
1997FordExpeditionRWDRearKit Includes (2) Shock Absorbers (2) Springs (2) Spring Seats Converting Air/Electronic Suspension to Standard Suspension; Excludes All Wheel Drive; Electronic to Passive Air Spring to Coil Spring Shock Conversion Kit
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-2607Westar — CK-7808WS4J-1004K