Toyota 4.2 D Tuning

Supported in 2 Toyota models, 1984+.

Toyota

2 supported 4.2 D applications

Models With the Toyota 4.2 D

All Supported Toyota 4.2 D Tunes

Supported Toyota 4.2 D applications
Coaster1993+B40-B50135 hpECU Denso 76F00xxAutoTuner
Landcruiser1984+J70135 hpECU Denso 76F00xxAutoTuner

About Toyota 4.2 D tuning

We tune the Toyota 4.2 D in 2 applications across the Coaster, Landcruiser, from 1984+, in diesel form, with stock outputs of 135 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.

This engine runs on: Denso 76F00xx.

Don't See Your Vehicle?

These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.