Dobinsons Isuzu D-Max GVM Upgrade

The Isuzu D-Max GVM Upgrade is a federally approved Dobinsons GVM upgrade for the Isuzu D-Max, increasing your legal carrying capacity to 3600kg. Dobinsons GVM upgrades are approved Australia-wide and supplied with full compliance documentation.

Price includes professional installation. The listed price is fully fitted -- Dobinsons components supplied and installed at our workshop, plus a state-based engineering surcharge applied at checkout. Select your shock type, upper control arm option, and registration status (Pre Rego / Post Rego) to see the final fitted price.

Shock Absorber Options

• Twin Tube Nitro-Gas -- Dobinsons' proven twin-tube nitrogen gas shock. Reliable performance for everyday touring and load-carrying.
• IMS (Internal Monotube Strut) -- Dobinsons' monotube shock with internal floating piston for improved heat dissipation and consistent performance under load.
• MRR (Monotube Remote Reservoir) -- Dobinsons' 3-way adjustable monotube with remote reservoir. Independent adjustment for rebound, low-speed and high-speed compression -- the premium choice for demanding off-road and load-carrying applications.

Upper Control Arm Option

Fitted Upper Control Arms are available as an option on this kit (+$1100 fitted). Recommended when running larger tyres or significant lift to maintain correct suspension geometry.

Coil Spring Options

Coil spring rate is selected at the time of fitment based on your vehicle's load. Available options:

• 50 mm Lift - No Load
• 50 mm Lift - 40-60 kg
• 45 mm Lift - 70-100 kg

Leaf Spring Options

Leaf spring rate is selected at the time of fitment based on your vehicle's load. Available options:

• 40 mm Lift - 250 kg Constant Load (Touring Option)
• 40 mm Lift - 450 kg Constant Load

Kit Contents

• 2 x Front Coil Springs
• 2 x Front Shock Absorbers
• 2 x Rear Leaf Springs
• 2 x Rear Shock Absorbers
• 2 x Rear Shackles
• 1 x Rear Shackle Bush Kit
• 4 x Rear U-Bolt
• 2 x Rear Shackle Pins
• 1 x Rear Brakeline Extension Kit
• 2 x Left & Right Side Indicator (CAT 6)

Federally Approved

Dobinsons GVM upgrades are federally approved and the revised GVM will be compliant Australia-wide. Engineering certification is included in the price; some additional state-based engineering charges may apply depending on registration jurisdiction.