The EFS Elite Rear Shock Absorber (36-5423) is designed to enhance the ride quality, stability, and performance of the Holden Colorado and Isuzu D-Max. As part of the EFS Elite Series, this twin-tube gas shock combines advanced valving and heavy-duty internals to deliver consistent damping and control on- and off-road.
With an open length of 555 mm and a closed length of 343 mm, the 36-5423 provides balanced suspension articulation and control under load. The EB2 (top) and EB2 (lower) mounts ensure secure and direct fitment. Inside, the 35 mm piston and 16 mm hardened-chrome shaft work within a 51 – 60 mm twin-tube body charged with low-pressure nitrogen gas to eliminate aeration and damping fade during sustained use.
FEATURES
- Twin-tube Elite Series gas design for smooth, fade-free damping and superior comfort.
- 35 mm piston and 16 mm hardened-chrome shaft for long-term reliability.
- Low-pressure nitrogen gas prevents cavitation and maintains damping performance.
- High-temperature oil and heavy-duty seals ensure durability in harsh environments.
- Mounts: EB2 (top) / EB2 (lower) for OE-style fitment.
- Optimised 555 mm (open) / 343 mm (closed) travel range for controlled suspension movement.
SPECIFICATIONS
Series: EFS Elite Twin-Tube Gas (Rear)
Part Number: 36-5423
Open (Extended) Length: 555 mm
Closed (Compressed) Length: 343 mm
Top Mount: EB2
Lower Mount: EB2
Piston Diameter: 35 mm
Rod Diameter: 16 mm (hardened chrome)
Body Diameter: 51 – 60 mm twin-tube
COMPATIBILITY
- Holden Colorado (06/2012 +)
- Isuzu D-Max (2012 – 07/2020)
WHY CHOOSE EFS ELITE?
The EFS Elite Series delivers consistent, comfortable, and fade-free performance. Its larger oil capacity, advanced damping control, and strengthened internals ensure a reliable, smooth ride across both highways and demanding 4WD tracks. Perfect for touring, towing, and off-road applications where stability and comfort are key.
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