Tough Dog 40mm Suspension Lift Kit – Isuzu D-MAX Gen 3 RG (2020+) | Advanced 4x4

Tough Dog Isuzu D-MAX Gen 3 RG (2020+) Complete 40mm Suspension Lift Kit

The Tough Dog Isuzu D-MAX (2020+) 40mm Suspension Kit is purpose-engineered to enhance the performance of the latest generation RG D-MAX. While the Gen 3 D-MAX is a capable and technologically advanced workhorse, the stock suspension can feel stiff when unladen and prone to sagging when fitted with a canopy, bullbar, or towing a heavy trailer. This kit corrects the vehicle’s stance, increases ground clearance for technical 4x4 trails, and delivers a significant upgrade in ride quality across all load conditions.

Utilising 41mm Bore Foam Cell Shock technology, this kit is built for the heat and dust of the African bush — ensuring your suspension stays cool, consistent, and fade-free through the most punishing corrugated roads and high-speed gravel highways.

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🔧 Kit Components & Technical Specs

• Lift Height: Approximately 40mm
• Front Shocks: 2x 41mm Bore Foam Cell Shock Absorbers (optional: 9-stage adjustable units)
• Rear Shocks: 2x 41mm Bore Foam Cell Shock Absorbers (optional: 9-stage adjustable units)
• Front Springs: High-tensile Coil Springs — available for No Bar, Steel Bullbar, or Winch/Dual Battery setups
• Rear Springs: Multi-leaf Spring Packs — Comfort, 300kg Constant, or 500kg Constant Load options
• High-tensile Steel U-Bolts
• Polyurethane Shackle Bush Kit
• Driveline Spacer Kit — essential for the RG model to prevent post-lift driveline vibration
• Approx. Shipping Weight: 85kg – 105kg (dependent on leaf spring selection)
• Package Dimensions (L×W×H): 1.2m × 0.5m × 0.4m
• SKU: TD-DMAX-RG-COMPLETE (configuration specific)

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🚗 Why Upgrade Your Gen 3 D-MAX?

The 2020+ D-MAX platform is a significant step forward in technology, safety, and refinement — but the suspension is consistently the first thing owners look to improve. Tough Dog’s progressive spring rates deliver a plush, comfortable feel during daily commutes while providing the backbone needed to carry overland gear or tow a heavy trailer without compromising the vehicle’s advanced safety systems.

• ✅ 40mm lift — corrected stance and increased ground clearance for technical 4x4 trails
• ✅ Eliminates sag under load — load-rated rear leaf spring options handle canopies, bullbars, and towing loads
• ✅ Progressive spring rates — plush when empty, composed and stable when fully laden
• ✅ Driveline Spacer Kit included — essential RG-specific hardware prevents post-lift vibration
• ✅ Foam Cell shock technology — fade-free performance in the heat and dust of the African bush
• ✅ Front spring options by accessory load — No Bar, Bullbar, or Winch/Dual Battery configurations available
• ✅ Optional 9-stage adjustable shocks — fine-tune your ride for any terrain or load condition

Tip: Greasable Shackles and Pins are available as an optional upgrade for the D-MAX, making future maintenance significantly easier — particularly for high-use and remote touring applications. Ask our team for details and pricing.

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🛡️ Warranty & Fitment Requirements

This kit includes a 4-Year / Unlimited Kilometre Recreational Warranty — activated only upon professional installation.

• Approved Fitment: Advanced 4x4 Branch in Strand, any authorised Tough Dog fitment centre, or an RMI-accredited workshop
• Warranty Integrity: Valid only when fitted by a professional facility. Fitment invoice must include the vehicle’s odometer reading at time of installation to maintain active cover
• Price Excludes: Fitment and wheel alignment. Contact us to book your installation at our Strand branch

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⭐ Why Choose Tough Dog for the Gen 3 D-MAX?

Tough Dog is a recognised Second Stage Manufacturer (SSM), with components certified to handle increased Gross Vehicle Mass (GVM) without compromising roadworthiness or legal compliance. Their Gen 3 D-MAX kit is purpose-built for the RG platform — including the critical Driveline Spacer Kit that addresses the RG’s known post-lift vibration characteristic — ensuring a complete, safe, and long-lasting upgrade from day one.

At Advanced 4x4, we stock the full Tough Dog D-MAX range and can advise on the correct spring load rating, optional greasable shackles, 9-stage adjustable shock upgrades, and fitment bookings at our Strand RMI workshop.

⏳ Lead Time: Please allow 14 business days for production/sourcing if stock is not immediately available.