Westar AS-7055 Air Suspension Spring - Rear

Brand Westar AS-7055
Position Rear
Fits Hummer · 7 vehicles

OE-quality replacement. Meets or exceeds OEM standards for quality, fit, and function.

New components only. No remanufactured units are sold.

Ride control. Performance matches or exceeds OEM for long life and consistent comfort.

Cross-references Cardone Reman 4J0004A, Dorman 949-070 and Suncore 99G-15-R for the same application. See all 3.

$122.58Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $122.58
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Westar AS-7055 Rear Air Spring

Westar AS-7055 is a rear air suspension spring built for direct replacement on select Hummer H2 applications. It is designed to meet or exceed OEM specifications for quality, fit, and function, with new components only for consistent ride support and control.

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
  • Manufactured to strict industry standards, including ISO, QS, and TS requirements
  • Direct-fit rear air suspension spring for select Hummer H2 models

Application Details

Compatible with 2003-2009 Hummer H2, rear. This Westar AS-7055 air suspension spring is intended for drivers replacing a worn rear air spring on a Hummer H2 and looking for an OE-style solution that maintains factory ride characteristics. This part cross-references Dorman 949-070 for the same application.

Common Problems It Can Address

  • Rear end sagging from a leaking or fatigued air spring
  • Uneven ride height at the back of the vehicle
  • Harsh ride quality caused by loss of air suspension support
  • Air suspension warning lights related to rear spring failure
  • Reduced load-leveling performance on Hummer H2 rear suspension systems

Installation Notes

Verify the vehicle year, model, and rear suspension configuration before installation. Inspect related air suspension components, air lines, and mounting points for wear or damage during replacement. Confirm proper system operation after installation and check for leaks before returning the vehicle to service.

Quality Assurance

Westar manufactures air suspension components using quality materials and controlled production standards to support consistent fit and function. AS-7055 is a new part, not a remanufactured unit, and is built to align with OEM-level expectations for rear ride control.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2009HummerH2RearAIR SPRING - REAR
2008HummerH2RearAIR SPRING - REAR
2007HummerH2RearAIR SPRING - REAR
2006HummerH2RearAIR SPRING - REAR
2005HummerH2RearAIR SPRING - REAR
2004HummerH2RearAIR SPRING - REAR
2003HummerH2RearAIR SPRING - REAR
Directly replaces or cross-references 3 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Cardone Reman — 4J0004ADorman — 949-070Suncore — 99G-15-R