Browse all compatible suspension parts for your 2" Front Struts Holden Colorado Rg using our parts finder.
]]>| Make | Model | Series | Years | Engine |
|---|---|---|---|---|
| Holden | Colorado | RG | 2012-ON | 2.5L & 2.8L Duramax Turbo Diesel |
Not sure if this fits your vehicle? Contact our suspension experts or check our FAQ page.
Choose your front spring rate based on the constant weight sitting over the front axle, not just the vehicle's kerb weight. A steel bullbar, winch, and driving light bar all add sustained load that a standard-rate spring wasn't designed to carry. Common front accessories to account for include steel bullbars, winches, dual battery trays mounted forward, and heavy-duty snorkel or air intake setups — tell our team what you're running so we can confirm the right spring is paired with these struts.
These struts are a bolt-in replacement for the factory RG front strut assembly, but we recommend an experienced 4WD workshop or suspension fitter handle the install given the coil-over strut needs to be compressed and located correctly. Wheel alignment is mandatory after fitting — the front lift changes camber and caster, and an out-of-spec alignment will chew through tyres. Allow a 500km bedding-in period before making final adjuster changes, as the seals and bushes settle in that time. If you're lifting the front by 2", consider pairing these struts with upgraded control arms to correct CV joint and steering geometry at the new ride height.
Dobinsons has built 4WD suspension for the Australian market for decades, with local testing on the same corrugated and rocky terrain our customers drive on. The MRA range is backed by a manufacturer warranty and stocked here in Australia for fast dispatch, not shipped in on a per-order basis from overseas. Tourers and tradies running the Colorado RG choose Dobinsons for adjustable damping they can tune to a change in load — view the full Dobinsons suspension range for matching rear components.
This strut kit suits Colorado RG owners running a front bullbar, winch, or driving lights who need damping that can be adjusted for that added weight without swapping parts. It also suits tourers who want a firmer highway-towing setting and a softer setting for corrugated tracks, dialled in from the one adjuster. If you're carrying constant rear payload such as a canopy, tray tools, or camper, also look at airbag suspension to support that load without over-stiffening the ride.
These struts are in stock in Australia and dispatch fast from our warehouse, with our fitment team on hand to confirm spring rate and adjuster setup for your Colorado RG. Browse our full lift kit range to complete the rear of your setup.
New to Colorado suspension? Read our guide to common Colorado suspension problems and how to fix them.
Yes, these Dobinsons MRA front struts are designed for the Holden Colorado RG from 2012 onwards, covering both the 2.5L and 2.8L Duramax diesel variants. They fit dual cab and space cab configurations using the factory front strut mounting points. If you're unsure which engine or build date you have, our team can confirm fitment before you order. You can also cross-check your VIN details against our RG parts finder.
This kit provides a 2" front lift on the Colorado RG, measured with the coil spring assembled on the strut. The exact ride height gain can vary slightly with vehicle load and tyre size. For a matched front and rear lift, pair these struts with a compatible rear spring option from our range. Ask our team if you want a specific front-to-rear height match for your build.
This kit includes 2 x Dobinsons MRA Adjustable Front Struts, fully assembled with coil springs, remote reservoirs, and 3-way external adjuster knobs. Mounting hardware and bushes needed for the front strut installation are included. Rear shocks, rear springs, and control arms are not included and are sold separately. See the Kit Includes list on this page for the full breakdown.
These front struts help manage front-end dip under braking when towing, thanks to the 3-way adjustable damping that can be firmed up for a loaded setup. Towing capacity itself is governed by your vehicle's GVM and GCM, not by the front struts alone. For heavier trailers, we also recommend checking your rear spring rate and considering airbag suspension for extra load support. Talk to our team about matching front and rear components for your specific towing setup.
At a 2" front lift, the factory control arms on the RG will generally still operate within an acceptable range, but geometry does shift slightly at the new ride height. Upgraded control arms correct CV joint angle and improve steering geometry, which reduces uneven tyre wear over time. We recommend at minimum having your alignment checked, and considering a control arm upgrade if you're running the lift long-term or with regular off-road use. Our control arm range is designed to work alongside this strut lift.
Yes, wheel alignment is mandatory after installing these struts. The 2" front lift changes camber and caster angles from factory specification. Skipping alignment after fitting will lead to uneven or accelerated tyre wear. We recommend booking an alignment immediately after installation and again after the 500km bedding-in period.
Yes, Dobinsons offers different front spring rate options to match your constant accessory load, such as a steel bullbar or winch. Choosing the correct rate keeps the strut operating in its designed travel range rather than sagging under a heavier front end. Tell our team what accessories you're running on the front of your Colorado RG and we'll confirm the right spring pairing. Getting this right also protects the adjuster's effective damping range.
A 2" front lift typically creates clearance for a moderately larger tyre than factory on the Colorado RG, though the exact size depends on your wheel offset and whether you've also lifted the rear. Rubbing points can still occur at full steering lock or full suspension compression with larger tyres. We recommend confirming your intended tyre size with our team before ordering so we can flag any known clearance issues for the RG.
These Dobinsons MRA struts are covered by the Dobinsons manufacturer warranty, which is typically 2 years on their shock and strut range. Warranty covers manufacturing defects under normal on-road and off-road use. Keep your invoice from 4WD Suspension as proof of purchase for any warranty claim. Our team can talk you through the claims process if you ever need it.
Yes, the 3-way external adjuster lets you set a comfortable damping level for daily driving and commuting, then firm it up for towing or off-road trips. Many Colorado RG owners run these struts as their everyday setup and only adjust damping when load or terrain changes. The pre-assembled coil spring keeps ride height consistent for daily use without needing to reset anything. If you mostly drive unladen, ask our team for the recommended baseline adjuster setting.
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