Reviewed by Andrew, 4WD Suspension fitment team
Dobinsons MRA Remote Reservoir front shock absorbers for the Holden Colorado 7 / Trailblazer & MU-X 2013-06/2021 — a monotube with a remote reservoir and 3-way external damping adjustment. This is a single-specification damper for this vehicle; the exact Dobinsons part number is shown above. Sold as a matched pair at Dobinsons RRP, in stock in Australia with fitment support from our team.
Browse all compatible suspension parts for your Holden Colorado 7 / Trailblazer & MU-X 2013-06/2021 using our parts finder.
Building a complete Colorado 7 / Trailblazer, MU-X suspension upgrade or lift kit? Match these dampers with the Dobinsons springs engineered for the same lift heights: Dobinsons front coil springs for the Colorado 7 / Trailblazer, MU-X; Dobinsons rear coil springs for the Colorado 7 / Trailblazer, MU-X; Dobinsons Nitro Gas front shocks for the Colorado 7 / Trailblazer, MU-X; Dobinsons Nitro Gas rear shocks for the Colorado 7 / Trailblazer, MU-X. Every part is load-rated, pair-priced at Dobinsons RRP and dispatched from Australian stock.
Last updated: 27 August 2026
| Make | Model | Series | Years | Engine |
|---|---|---|---|---|
| Holden | Colorado 7 / Trailblazer | 2nd Generation | 2012 - On | 2.8L Duramax Turbo Diesel |
| Isuzu | MU-X | UCR85 / UCS85 | 2013 - 06/2021 | 3.0L 4JJ1 Turbo Diesel |
Note: One Dobinsons part covers all the vehicles listed above — the mounts and valving are identical across these models.
Not sure if this fits your vehicle? Contact our suspension experts or check our FAQ page.
| Specification | Part Number | Price (pair) |
|---|---|---|
| Single option | MRA21-A470-1 | $1230.00 |
Strut-type front dampers are removed with the coil spring as an assembly — a spring compressor and a wheel alignment afterwards are required, so most owners have these fitted by a workshop.
Dobinsons has been designing and manufacturing 4WD suspension in Australia for decades, with springs wound and dampers valved for local loads, corrugations and touring distances rather than adapted from an overseas market spec. Every part is backed by a Dobinsons manufacturer warranty. View the full Dobinsons range to match the rest of your build.
Holden Colorado 7 / Trailblazer 2012-On owners replacing worn factory dampers, matching new dampers to a lift, or upgrading damping for touring and towing. Pair them with the matching rear dampers so both axles behave the same.
New to Colorado suspension? Read our guide to common Colorado suspension problems and how to fix them.
Yes — these Dobinsons MRA Remote Reservoir front dampers suit the Holden Colorado 7 / Trailblazer & MU-X 2013-06/2021 and replace the factory units directly. The Colorado 7 and Trailblazer wagon use a coil-sprung rear axle, unlike the leaf-sprung Colorado ute.
MRA is Dobinsons' monotube remote-reservoir damper with 3-way external damping adjustment, so compression and rebound can be tuned without removing the damper — built for hard touring and towing.
No — Dobinsons list a single front damper specification for this vehicle, part MRA21-A470-1. It is supplied as a matched pair.
A matched pair (2 x) of Dobinsons front shock absorbers. Coil springs and fitting hardware are sold separately.
Yes — on strut-front vehicles the alignment should always be checked after the struts are out.
Help other 4WDSuspension users shop smarter by writing reviews for products you have purchased.
Add your favourites to cart
Log into or create your Afterpay account, with instant approval decision
Your purchase will be split into 4 payments, payable every 2 weeks
All you need to apply is to have a debit or credit card, to be over 18 years of age, and to be a resident of country offering Afterpay
Late fees and additional eligibility criteria apply. The first payment may be due at the time of purchase
For complete terms visit afterpay.com/terms
