TURBO For ISUZU 704136 4HTG1 is the forced-induction unit: it turns exhaust energy into more air for the engine.
Turbo life depends on oil and on starting practice. Change oil and filter on time, idle before shutdown and avoid revving a cold engine: those three do more than any other measure.
Specifications and compatibility
This item is supplied against the equipment reference; confirm the application from the set nameplate before ordering.
How to verify before ordering
- Match reference and pressure ratio; turbos of different flow are not interchangeable even if they bolt on.
- Check that exhaust manifold and flange match your engine, and whether it is wastegate or variable geometry.
- Always replace gaskets and the oil return line together with the turbo.
Frequently asked questions
Can only the cartridge be replaced?
Yes, replacement cartridges exist, but they need balancing and a clean housing. Without a test bench the result is a short life and a second failure.
Why did the turbo fail?
The three usual causes are dirty oil, a restricted oil return and a hot shutdown. Replacing the turbo without fixing the cause repeats the failure.
Related parts
See the spare parts catalogue or request a quotation quoting the equipment reference. Third-party trademarks are cited for identification purposes only.