Collection: For 4JH1 4JG2 3.0L 3.1L

High-Performance Turbo Upgrades for Isuzu 4JG2T & 4JH1 Engines

Kinugawa Turbo Systems offers bolt-on turbocharger upgrades for Isuzu 4JG2T 3.1L and 4JH1 3.0L diesel engines, delivering 30-60% torque gains over stock IHI RHF5/RHF4 turbos. Our TD04L series turbos are engineered for Isuzu Trooper, Bighorn, D-MAX, Holden Jackaroo, Holden Rodeo, and Opel Monterey applications with proven reliability and easy installation.

Best-Selling Turbo Upgrades:
  • TD04L-19T (+60% Torque) – Our most popular upgrade for maximum power and towing capability. Ideal for heavy-duty use and significant performance gains.
  • TD04L-15T (+45% Torque) – Balanced performance upgrade offering strong mid-range torque with excellent drivability.
  • TD04L-15G (+40% Torque) – Optimized for responsive acceleration and improved fuel efficiency under load.
  • TD04L-13T (+30% Torque) – Entry-level upgrade for moderate power gains with stock-like reliability.
Fitment & Compatibility:

Isuzu 4JG2T 3.1L Applications: Isuzu Trooper, Isuzu Bighorn, Holden Jackaroo, Opel Monterey

Isuzu 4JH1-TC 3.0L Applications: Isuzu D-MAX, Holden Rodeo, Rodeo Pickup

Replaces OE Numbers: 8971480760, 8971480761, 860010, 860015, 97086343, 8970385181, VA430023, VB430023, VC430023, VD430023, VE430023

Replaces IHI Part Numbers: RHF5 VIEK, VA430093, 8973544234

Why Choose Kinugawa for Your Isuzu Turbo Upgrade?
  • Direct bolt-on replacement – no custom fabrication required
  • Proven torque gains: 30-60% over stock depending on model
  • Premium packaging and fast global shipping
  • Trusted by Isuzu diesel owners worldwide for towing, off-road, and daily driving