The Dobinsons Monotube IFP Adjustable Height Lift Kit for Isuzu D-Max (2012-2019) combines advanced monotube shock technology with adjustable-height coil springs and 40mm raised leaf springs — giving you complete control over ride height, load capacity, and handling across all terrains. Engineered specifically for the D-Max platform and proven across Australia's toughest outback conditions, this complete premium lift kit is backed by Dobinsons' legendary warranty and real-world testing. In stock now with fast Australia-wide dispatch and expert fitment support.
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| Make | Model | Series | Years | Notes |
|---|---|---|---|---|
| Isuzu | D-Max | All Variants (SX, LS-M, LS-U, X-TERRAIN) | 2012-2019 | Both 4x2 and 4x4 models |
| Holden | Colorado RG | All Variants | 2012-2019 | Badge-engineered D-Max equivalent |
Not sure if this fits your vehicle? Browse all suspension parts for the Isuzu D-Max or contact our suspension experts for personalised fitment advice.
Selecting the correct spring rate is critical for achieving optimal ride quality, handling and component longevity. When ordering this kit, you must specify your constant accessory load — the combined weight of accessories and equipment permanently fitted to your D-Max. Do not include occasional loads such as camping gear, passengers, or towing weight when calculating constant load, as this will result in overly stiff springs that compromise ride comfort and may accelerate wear on other suspension components.
Common front constant loads include: steel bullbar (30-45kg), winch (30-40kg), aftermarket steel bonnet (10-15kg), upgraded battery system (10-20kg), additional lighting, UHF antenna systems.
Common rear constant loads include: alloy or steel canopy (60-120kg), drawer systems (40-80kg), dual battery system (15-25kg), long-range fuel tank (when full, 60-80kg additional weight), permanent water tanks, toolboxes, roof racks with permanent cargo.
This is a comprehensive suspension replacement requiring professional installation or experienced DIY capability with proper lifting equipment, spring compressors and torque tools. A full four-wheel alignment is mandatory after installation to ensure correct steering geometry, tyre wear and handling characteristics. All Dobinsons kits require a 500km break-in period during which springs will settle and shocks will bed-in — expect ride height to settle 5-10mm during this period. For D-Max models fitted with substantial front-end accessories or requiring correction of caster angle after lifting, consider pairing this kit with upgraded control arms to optimise wheel alignment and steering feel.
Dobinsons has been engineering and manufacturing premium 4WD suspension in Australia for over 60 years, with products proven across every terrain from Outback Australia to African safaris. Every component is torture-tested in real-world conditions and backed by comprehensive warranty coverage. Trusted by professional tourers, grey nomads, tradespeople and emergency services across Australia, the Dobinsons suspension range represents the gold standard in reliable, performance-focused 4WD suspension systems.
This kit is ideal for D-Max owners who demand premium quality and adjustability: long-distance tourers carrying rooftop tents and recovery gear, tradespeople with permanent canopy and toolbox setups, caravan and boat towers requiring increased rear load capacity, and off-road enthusiasts seeking superior articulation and control. If you regularly carry extremely heavy loads or tow at maximum GCM, consider supplementing this kit with airbag suspension for additional load support and on-demand height adjustment.
In stock now with fast Australia-wide dispatch from our suspension specialists. Questions about fitment or spring rate selection? Our team has decades of combined experience with D-Max suspension setups. Browse our full lift kit range or contact us for expert advice tailored to your specific vehicle configuration and intended use.
This kit is specifically engineered for Isuzu D-Max models from 2012-2019 and the badge-engineered Holden Colorado RG from the same period. It fits all D-Max variants including SX, LS-M, LS-U and X-TERRAIN in both 4x2 and 4x4 configurations. The D-Max and Colorado RG share identical suspension geometry and mounting points during these model years. If your vehicle falls outside these years or you have aftermarket suspension modifications, please contact us to confirm compatibility before ordering.
The rear leaf springs provide a 40mm (approximately 1.6 inches) lift at the rear axle. Front lift height is adjustable depending on which coil spring rate you select and your constant accessory load — typically ranging from 30-50mm front lift. The adjustable-height front coils allow you to fine-tune front ride height to level your vehicle when carrying heavy front accessories like bullbars and winches. Final installed height will vary based on your specific accessory weight, so spring rate selection is critical for achieving your desired stance.
This comprehensive kit includes everything needed for a complete suspension upgrade: 2 Dobinsons monotube IFP front shock absorbers, 2 adjustable-height front coil springs, 2 monotube IFP rear shock absorbers, 2 Dobinsons 40mm raised rear leaf springs, 4 heavy-duty U-bolts for leaf spring mounting, and 1 polyurethane bush kit. All necessary hardware for installation is provided. Note that upper control arms, extended brake lines, and other supplementary components are sold separately if required for your specific build.
Absolutely — this kit is engineered to handle substantial towing loads with confidence. The 40mm raised rear leaf springs and heavy-duty monotube rear shocks provide excellent load-carrying capacity and stability when towing caravans, boats, or trailers. The IFP monotube shock design resists fade during extended towing and maintains consistent damping even under heavy loads. However, when selecting your spring rates, remember to specify only your constant accessory load (permanent equipment) — not towing weight, as towing is considered an occasional load. For maximum towing control and adjustability, consider adding airbag suspension to this setup.
Upper control arm upgrades are not strictly required for this lift height, but are highly recommended if you're carrying heavy front-end accessories or want to optimize wheel alignment after lifting. Aftermarket control arms with increased caster correction help restore factory steering geometry, reduce tyre wear, and improve on-road handling feel. If you install a steel bullbar, winch, or other substantial front weight, upgraded control arms become more important for maintaining proper alignment angles. Our team can advise on whether control arms are recommended for your specific D-Max configuration and intended use.
Yes, a professional four-wheel alignment is absolutely mandatory after installing this or any lift kit. Lifting your D-Max changes suspension geometry and alignment angles including caster, camber and toe settings. Skipping alignment will result in uneven tyre wear, compromised handling, and potential safety issues. The alignment should be performed after the kit is fully installed and the vehicle has been driven for 50-100km to allow initial settling. Always use an alignment shop experienced with lifted 4WDs who can adjust to manufacturer specifications or performance settings depending on your requirements.
Spring rate selection must be based solely on your constant accessory load — the permanent weight of equipment fitted to your vehicle. Measure or calculate the combined weight of bullbars, winches, canopies, drawer systems, dual batteries, long-range tanks (when full), and other permanently installed accessories. Front and rear loads should be calculated separately. Do not include passengers, camping gear, or towing weight, as these are occasional loads. Selecting spring rates that are too heavy for your actual constant load will result in harsh ride quality and potential damage to other suspension components. If you're unsure, our team can help calculate your loads.
The 40mm rear and approximately 30-50mm front lift provided by this kit will accommodate moderately larger tyres than factory specifications. Most D-Max owners can comfortably fit 265/70R17 or 265/65R18 tyres (depending on wheel size) without rubbing under normal conditions. More aggressive sizes may require minor trimming or aftermarket upper control arms for additional clearance. Actual tyre clearance depends on wheel offset, tyre brand (some run larger than stated size), and suspension articulation. We recommend test-fitting your desired tyre size before purchase, and remember that larger tyres may require speedo recalibration and can affect gearing and fuel economy.
All Dobinsons suspension components are backed by comprehensive manufacturer warranty coverage against defects in materials and workmanship. Shock absorbers typically carry warranty protection, while coil springs and leaf springs are covered under separate warranty terms. Warranty is valid when products are installed correctly by qualified technicians, used within rated load capacities, and maintained according to manufacturer guidelines. Warranty does not cover damage from accidents, incorrect installation, overloading beyond rated capacity, or abuse. Keep your purchase receipt and installation records to validate warranty claims if needed.
Yes, when correctly matched to your constant load, this Dobinsons kit delivers excellent ride comfort for daily driving while maintaining superior off-road capability. The monotube IFP shock design provides responsive damping that absorbs bumps and corrugations effectively without the harshness associated with budget lift kits. The adjustable coil springs and load-matched leaf springs ensure your D-Max sits at the correct ride height without being overly stiff. However, comfort depends entirely on selecting appropriate spring rates — choosing springs that are too heavy for your actual load will compromise ride quality. Many D-Max owners use this kit for daily commuting, long highway tours, and weekend off-road adventures with excellent results.
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