Westar CK-7626WS Air Spring to Coil Spring Conversion Kit - Rear

Rear Air Spring Conversion Kit for Trailblazer and Envoy

Westar CK-7626WS is a rear air spring to coil spring conversion kit for select GM and related SUVs. It replaces the OEM air suspension with a coil spring setup for drivers looking for a simpler, lower-cost rear suspension solution.

Key Features

• New components only; no remanufactured units
• Converts rear air suspension to coil spring suspension
• Built as a more reliable alternative to the OEM air suspension
• Provides a lower-cost replacement path versus OEM-style air suspension repairs
• Fits rear applications on select Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Buick Rainier, Isuzu Ascender, and Oldsmobile Bravada models

Product Details

Westar CK-7626WS is engineered for rear suspension conversion on vehicles originally equipped with air suspension. It is a practical option for owners who want to move away from air system failures and restore a conventional coil spring rear suspension. This part cross-references Monroe Shocks & Struts 90017 for the same application. It is also referenced in the market alongside Dorman 949-521 and Suncore 148G-30-R-KIT.

Compatible fitment includes Fits 2002-2009 Chevrolet Trailblazer, rear; Fits 2002-2009 GMC Envoy, rear; Fits 2005-2009 Saab 9-7x, rear; Fits 2004-2007 Buick Rainier, rear; Fits 2003-2007 Isuzu Ascender, rear; and Fits 2002-2004 Oldsmobile Bravada, rear. For Chevrolet Trailblazer and GMC Envoy rear suspension service, CK-7626WS provides a direct conversion path for the listed wheelbase and note-specific applications.

Common Problems This Kit Addresses

• Rear air suspension leaks
• Compressor-related air suspension failures
• Uneven rear ride height from worn air components
• Repeated repair costs tied to aging OEM air suspension parts
• Need for a conventional coil spring rear suspension conversion

Installation Notes

Verify rear fitment by year, make, model, wheelbase, and notes before ordering. This kit is for rear applications only and must be matched to the vehicle configuration listed in the fitment data. Professional installation is recommended for suspension work, and the vehicle should be inspected after installation for proper ride height and suspension operation.

Quality Assurance

Westar states that its air suspension products are manufactured with quality components and built to industry standards including ISO, QS, and TS requirements. CK-7626WS is supplied as a new part, not a remanufactured unit.