Westar AS-7315 Air Suspension Strut - Rear

Rear Air Suspension Strut for Expedition and Navigator

Westar AS-7315 is a rear air suspension strut built for 2003-2006 Ford Expedition and 2003-2006 Lincoln Navigator applications. It is designed for buyers replacing a worn rear air strut or rebuilding an existing air suspension assembly with a new component.

Key Features

• Designed to meet or exceed OEM specifications for quality, fit, and function
• All-new construction; no remanufactured units
• Performance matches or exceeds OEM expectations for long service life and ride control
• Rear air strut application with solenoid included for the listed vehicles
• Manufactured to strict industry standards, including ISO, QS, and TS processes

Product Details

Westar AS-7315 is an air suspension strut for the rear of the Ford Expedition and Lincoln Navigator. It is built for drivers who need a direct replacement for a failed air strut, loss of ride height, or inconsistent rear suspension performance. This part cross-references Arnott Industries AS-2281 for the same application.

Compatible With 2003-2006 Ford Expedition, rear; and 2003-2006 Lincoln Navigator, rear. The AS-7315 part number is a useful reference when sourcing a rear air suspension strut for these full-size SUVs.

Common Problems This Part Can Address

• Rear end sagging or uneven ride height
• Air suspension warning lights related to strut performance
• Loss of damping control over bumps and road irregularities
• Air leaks or pressure loss in the rear suspension assembly
• Excessive bounce, harshness, or unstable rear ride quality

Installation Notes and Tips

Verify vehicle year, make, model, and rear position before ordering. Compare the original strut and solenoid configuration to confirm the correct replacement for your Expedition or Navigator. Inspect related air suspension components, lines, and electrical connections during service to help isolate the cause of the failure.

Quality Assurance

Westar manufactures this air suspension strut using quality components and controlled production standards. AS-7315 is a new part engineered to meet OEM-level expectations for fit, function, and ride control.