Denco Turbo System - 3B engine for BJ42, BJ60, BJ70 series Land Cruiser

Availability: Out of stock

Turbo System for Toyota 3B engines found in BJ42, BJ60 & BJ70s

This item is currently NOT available due to supplier supply chain problems (2023 March 06)

Please see details and order from our new eCom site at:

Special Order Item - please write to us if you want a turbo system for your 3B and there are none in stock.

This turbo system features a Schwitzer (Borg Warner) turbo with housings that are designed specifically for the AR the Toyota 3B engine needs for responsive spool-up and good top-end performance.

This turbo system offers a relatively simple installation, and provides for a 30% gain in both Horsepower and Torque at the pre-set ~8 lbs of boost with the fuel settings allowing for maximum EGTs at 600C (930F).

A turbo boost gauge along with an EGT sensor should be used to ensure safe levels of boost and exhaust temperature are maintained. The exhaust system needs to be upgraded to 2.5" throughout to ensure free-flowing exhaust gases and low manifold pressures.

This turbo system does not fit the 3B-II engine as the exhaust manifolds are different.

Our recommendation is to upgrade your Exhaust and Intake manifold gaskets with the up-to-date Toyota OEM versions. The exhaust manifold gasket is an MLS type, and the intake gasket is a thicker composite type that seals better than the early paper type gaskets.

3B MLS Exhaust manifold gasket

3B Composite Intake Manifold gasket

It is also a good time to at least check your Injection Pump governor diaphragm and replace it as needed as a worn or perforate diaphragm will severely impact engine performance and economy.

More information will be added soon - April 2022

I will be regularly stocking these turbo systems as stock becomes available from the supplier, otherwise they are special order.


Designed & Assembled by Denco Diesel & Turbo, Australia


2022 06 01

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