Westar CK-7855WS Air Spring to Coil Spring Conversion Kit - Front and Rear

Air Suspension Conversion Kit Overview

The Westar CK-7855WS air spring to coil spring conversion kit replaces the original air suspension setup with a conventional coil spring and shock arrangement. It is built as a new, non-remanufactured solution for owners seeking a more dependable and lower-cost alternative to the factory air system.

Compatible with BMW X5 applications, this kit is focused on restoring predictable suspension behavior without the complexity of aging air components. The CK-7855WS is a practical choice for BMW X5 suspension repair when the original air system is no longer performing as intended.

Key Features

• New components only; no remanufactured units.
• Converts air suspension to a coil spring setup.
• Built as a more reliable alternative to OEM air suspension.
• Offers a significant cost reduction versus OEM-style air suspension repairs.
• Manufactured to strict industry standards, including ISO, QS, and TS requirements.

Detailed Product Information

Westar CK-7855WS is an air spring to coil spring conversion kit for the BMW X5, covering 2000-2006 models at the front and rear. It is intended for vehicles with coil over strut, coil springs, and shocks configuration notes as listed in the fitment data. This part cross-references Suncore 250BW-48-4 for the same application.

Westar focuses on replacement suspension components and rebuild parts for air suspension service needs. The CK-7855WS reflects that approach by providing a straightforward conversion path away from air suspension complexity while maintaining a serviceable suspension layout.

What This Part Helps Address

• Air suspension failure or repeated compressor-related issues.
• Leaking air springs or loss of ride height.
• Costly repairs tied to aging OEM air suspension components.
• Unstable ride quality caused by worn suspension hardware.
• Need for a simpler coil spring-based suspension solution.

Installation Notes and Tips

Fits 2000-2006 BMW X5, front and rear. Confirm the vehicle’s suspension configuration matches the listed coil over strut, coil springs, and shocks notes before installation. Review the existing air suspension layout and replace related worn components as needed during service.

Quality Assurance

Westar states that its factories use top-quality components and manufacture to strict industry standards, including ISO, QS, and TS standards. CK-7855WS is supplied as a new product, not a remanufactured unit.