Westar CK-7629 Air Spring to Coil Spring Conversion Kit - Rear

Westar CK-7629 Air Spring Conversion Kit

Westar CK-7629 is an air spring to coil spring conversion kit for rear suspension applications on select Chevrolet and GMC SUVs. It is built as a new replacement option for drivers who want to move away from the original air suspension setup and reduce ongoing repair costs.

Compatible with 2002-2006 GMC Envoy XL, 2004-2005 GMC Envoy XUV, 2002-2006 Chevrolet Trailblazer EXT, and 2003-2006 Chevrolet Trailblazer, rear, 129-inch wheel base.

Key Features

• All product are new; no remanufactured units
• Converts the rear air suspension to a coil spring setup
• Built as a more reliable alternative to OEM air suspension components
• Offers a significant cost savings versus OEM-style air suspension repairs
• Manufactured to strict industry standards, including ISO, QS, and TS requirements

Product Details

This Westar air spring to coil spring conversion kit is designed for rear suspension service on the Chevrolet Trailblazer, Trailblazer EXT, GMC Envoy XL, and GMC Envoy XUV with 129-inch wheel base applications. Part number CK-7629 provides a direct path for replacing aging air suspension hardware with a conventional coil spring arrangement, helping simplify the suspension system while maintaining the intended rear ride support.

This part cross-references Monroe Shocks & Struts 90018 for the same application.

Common Problems It Can Help Solve

• Rear suspension sag caused by failing air springs
• Compressor cycling from leaking air suspension components
• Warning lights related to air ride system faults
• Repeated air suspension maintenance and repair costs
• Loss of rear ride height on Trailblazer and Envoy XL/XUV models

Installation Notes and Tips

Verify vehicle configuration before ordering, including model, year, rear position, and 129-inch wheel base fitment. Confirm that the vehicle is equipped for an air spring to coil spring conversion before installation. Follow factory service procedures and inspect related suspension components for wear during replacement.

Quality Assurance

Westar states that its products are manufactured with top-quality components and built to strict industry standards, including ISO, QS, and TS standards. CK-7629 is a new part, not a remanufactured unit.