The EFS Elite Rear Shock Absorber (36-5588) is precision-engineered for Holden Trailblazer, Colorado 7, and Isuzu MU-X models running a 45 mm suspension lift. Featuring EFS’s proven Dynamic Motion Control (DMC) technology, it automatically adjusts damping to provide consistent stability, control, and comfort across varied terrains.
This heavy-duty rear shock is tuned for everyday driving comfort and serious off-road endurance. It’s built with a robust twin-tube gas design and large oil volume to prevent heat fade during prolonged use, making it an excellent upgrade for 4WD touring, towing, and overlanding applications.
Note: A larger size shock absorber can be used if modifications are made to the rear panhard rod bolt. The bolt must be removed and reinstalled from the opposite side to provide necessary clearance.
COMPATIBILITY
- Holden Trailblazer – 45 mm lift
- Holden Colorado 7 – 45 mm lift
- Isuzu MU-X (07/2021+) – 45 mm lift
- Isuzu MU-X (2013 – 06/2021) – 45 mm lift
FEATURES
- Dynamic Motion Control (DMC) Valve: Automatically adjusts damping force to maintain stability on all surfaces.
- Twin-Tube Gas Design: Increases oil capacity and reduces aeration for consistent performance.
- Heavy-Duty Build: Designed for Australian off-road conditions and high-load endurance.
- Powder-Coated Finish: Provides long-term corrosion and impact resistance.
- Vehicle-Specific Valving: Tuned for 4WD SUVs with mild suspension lifts.
SPECIFICATIONS
Part Number: 36-5588
Series: EFS Elite Twin-Tube Gas
Position: Rear
Lift Height: 45 mm
Valve Technology: Dynamic Motion Control (DMC)
WHY CHOOSE EFS ELITE?
The EFS Elite Series combines advanced DMC valve technology with precision engineering to deliver excellent ride comfort, superior handling, and long-term durability. Developed in Australia, these shocks are tested under extreme terrain to ensure maximum reliability and comfort for off-road and touring vehicles.

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