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

Brand Westar CK-7626
Position Rear
Fits Chevrolet, GMC, Saab, Buick, Isuzu, and Oldsmobile · 54 vehicles

New components. Built as a reliable alternative to OEM air suspension.

Cost savings. A more affordable alternative to OEM-style air suspension.

Strict standards. Manufactured to ISO, QS, and TS standards.

Cross-references Arnott Industries C-2137, Cardone Reman 4J0020K and Dorman 949-513 for the same application. See all 4.

$216.95Free shipping
In stock · usually ships same day before 1pm CST
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Order total $216.95
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Free returns within 60 days if it doesn't fit when fitment is verified.

Rear Air Spring Conversion Kit

Westar CK-7626 is a rear air spring to coil spring conversion kit for vehicles originally equipped with rear air suspension. It provides a direct alternative for owners looking to replace aging air springs with a more conventional suspension setup on select Chevrolet Trailblazer, GMC Envoy, Saab 9-7x, Buick Rainier, Isuzu Ascender, and Oldsmobile Bravada applications.

Built with new components only, this kit is intended for drivers who want to move away from the complexity of OEM air suspension while keeping the rear suspension functional and serviceable. Westar CK-7626 is also positioned as a lower-cost option versus the original air suspension arrangement.

  • New parts only; no remanufactured units
  • Rear air suspension conversion for select GM and Saab platforms
  • More reliable alternative to OEM air suspension components
  • Lower-cost solution versus replacing factory air suspension assemblies
  • Fits rear applications on 2002-2009 Chevrolet Trailblazer and GMC Envoy with 113-inch wheelbase

Fitment Details

  • Fits 2002-2009 Chevrolet Trailblazer, rear, 113" wheel base
  • Fits 2002-2009 GMC Envoy, rear, 113" wheel base
  • Fits 2005-2009 Saab 9-7x, rear, springs & adapters
  • Fits 2004-2007 Buick Rainier, rear, springs & adapters
  • Fits 2003-2007 Isuzu Ascender, rear, springs & adapters
  • Fits 2002-2004 Oldsmobile Bravada, rear, springs & adapters

What This Kit Helps Address

  • Rear air spring leaks or loss of air pressure
  • Compressor cycling caused by failing air suspension components
  • Uneven rear ride height from worn factory air springs
  • Repeated air suspension maintenance on aging vehicles
  • Costly OEM air suspension replacement on Trailblazer, Envoy, and related models

Installation Notes

Confirm rear suspension configuration before ordering, especially wheelbase and application notes such as 113" wheel base or springs & adapters. This part cross-references Arnott Industries C-2137 and Dorman 949-513 for the same application. Professional installation is recommended so the rear suspension is assembled and adjusted correctly after conversion.

Quality Assurance

Westar states that its air suspension products are manufactured with quality components and built to strict industry standards, including ISO, QS, and TS standards. CK-7626 is a new conversion kit designed for dependable service in place of the original rear air suspension.

This part fits 54 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelWheel BasePositionNotes
2009ChevroletTrailblazerLT113.0"Rear113" Wheel Base
2009ChevroletTrailblazerSS113.0"Rear113" Wheel Base
2009GMCEnvoy—113.0"Rear113" Wheel Base
2009Saab9-7x——RearSprings & Adapters
2008ChevroletTrailblazerBase113.0"Rear113" Wheel Base
2008ChevroletTrailblazerLT113.0"Rear113" Wheel Base
2008ChevroletTrailblazerSS113.0"Rear113" Wheel Base
2008GMCEnvoy—113.0"Rear113" Wheel Base
2008Saab9-7x——RearSprings & Adapters
2007BuickRainier——RearSprings & Adapters
2007ChevroletTrailblazerBase113.0"Rear113" Wheel Base
2007ChevroletTrailblazerLS113.0"Rear113" Wheel Base
2007ChevroletTrailblazerLT113.0"Rear113" Wheel Base
2007ChevroletTrailblazerSS113.0"Rear113" Wheel Base
2007GMCEnvoy—113.0"Rear113" Wheel Base
2007IsuzuAscender——RearSprings & Adapters
2007Saab9-7x——RearSprings & Adapters
2006BuickRainier——RearSprings & Adapters
2006ChevroletTrailblazerLS113.0"Rear113" Wheel Base
2006ChevroletTrailblazerLT113.0"Rear113" Wheel Base
2006ChevroletTrailblazerSS113.0"Rear113" Wheel Base
2006ChevroletTrailblazerBase113.0"Rear113" Wheel Base
2006GMCEnvoy—113.0"Rear113" Wheel Base
2006IsuzuAscender——RearSprings & Adapters
2006Saab9-7x——RearSprings & Adapters
2005BuickRainier——RearSprings & Adapters
2005ChevroletTrailblazerBase113.0"Rear113" Wheel Base
2005ChevroletTrailblazerLS113.0"Rear113" Wheel Base
2005ChevroletTrailblazerLT113.0"Rear113" Wheel Base
2005GMCEnvoy—113.0"Rear113" Wheel Base
2005IsuzuAscender——RearSprings & Adapters
2005Saab9-7x——RearSprings & Adapters
2004BuickRainier——RearSprings & Adapters
2004ChevroletTrailblazerBase113.0"Rear113" Wheel Base
2004ChevroletTrailblazerLS113.0"Rear113" Wheel Base
2004ChevroletTrailblazerLT113.0"Rear113" Wheel Base
2004ChevroletTrailblazerNorth Face113.0"Rear113" Wheel Base
2004GMCEnvoy—113.0"Rear113" Wheel Base
2004IsuzuAscender——RearSprings & Adapters
2004OldsmobileBravada——RearSprings & Adapters
2003ChevroletTrailblazerBase113.0"Rear113" Wheel Base
2003ChevroletTrailblazerLS113.0"Rear113" Wheel Base
2003ChevroletTrailblazerLT113.0"Rear113" Wheel Base
2003ChevroletTrailblazerLTZ113.0"Rear113" Wheel Base
2003ChevroletTrailblazerNorth Face113.0"Rear113" Wheel Base
2003GMCEnvoy—113.0"Rear113" Wheel Base
2003IsuzuAscender——RearSprings & Adapters
2003OldsmobileBravada——RearSprings & Adapters
2002ChevroletTrailblazerLS113.0"Rear113" Wheel Base
2002ChevroletTrailblazerLT113.0"Rear113" Wheel Base
2002ChevroletTrailblazerLTZ113.0"Rear113" Wheel Base
2002ChevroletTrailblazerNorth Face113.0"Rear113" Wheel Base
2002GMCEnvoy—113.0"Rear113" Wheel Base
2002OldsmobileBravada——RearSprings & Adapters
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Arnott Industries — C-2137Cardone Reman — 4J0020KDorman — 949-513Suncore — 148G-30-R