Isuzu 4JJ3 Performance Parts & Upgrades

The Isuzu 4JJ3 3.0L turbo-diesel powers the latest D-MAX and MU-X models. With improved refinement over the 4JJ1, it delivers strong torque, great fuel efficiency and excellent tuning potential — making it a solid platform for upgrades.

This collection highlights key engine-specific upgrades for the 4JJ3:

  • ✅ High-flow injectors & fuel system upgrades
  • ✅ Turbochargers, manifolds & dump pipes
  • ✅ Intercoolers & intake manifolds
  • ✅ Alloy dress-up covers & bling kits

⚠️ Note: This isn’t our full 4JJ3 range. Many compatible parts — clutches, suspension, filtration and accessories — also suit the 4JJ3 but live in other categories. If you don’t see what you need here, browse the rest of our store or contact us for help.