4JJ1-TC engines for sale

Prices as listed on our store on 15 October 2026.

What is the 4JJ1-TC engine?

The 4JJ1-TC is a 3.0 litre (2,999 cc) four-cylinder, 16-valve turbo diesel with double overhead camshafts, common-rail injection, an intercooler and a timing chain. Valve clearances are set with screw adjusters and need checking. Later versions met Euro 5 with a variable geometry turbo, a bigger EGR cooler and a particulate filter.

Which vehicles use the 4JJ1-TC?

Our listing names the 4JJ1-TC 3.0, Euro 3 and Euro 4, early version, truck spec.

Model names and years overlap. So we check the fit from your VIN, series and current engine before we quote. See will this engine fit my vehicle.

What problems are reported with the 4JJ1-TC?

These problems are reported in the sources listed below. Not every engine gets them. A symptom is not a diagnosis.

• EGR carbon. Soot and oily vapour can build up in the EGR valve and intake and jam the EGR valve, especially on vehicles that do mostly city driving.
• Particulate filter regeneration. On later engines with a particulate filter, short slow trips can stop it cleaning itself; a steady run at highway speed usually lets it regenerate, otherwise a dealer regeneration is needed.
• Valve clearances. If clearance checks are skipped, the top end can tick, worst from cold, and clearances that close up can damage valves.
• N Series recalls. Two Australian recalls on 2006 to 2007 N Series trucks covered an oil pipe eye bolt that could lead to engine failure and a diesel seep at the supply pump. The register does not say which engine, so check by VIN.

Our 4JJ1-TC engine problems article has more detail.

What are the signs a 4JJ1-TC may need replacing?

Check-engine light, hard starting, loss of power, higher fuel use and rough idle can point to EGR carbon. Ticking from the top end, worst when cold, can point to valve clearances. Overheating and pushed-out coolant need a head gasket check.

Should you repair, rebuild or replace a 4JJ1-TC?

EGR, particulate filter and valve clearance problems are repairs and maintenance. Bearing failure, piston damage or a failed head gasket after overheating can mean a rebuild or replacement.

Our options, in short:

• Repair it, if the fault is in a part bolted to the engine, not the engine itself.
• Rebuild your own 4JJ1-TC, if it is serviceable. We strip it, inspect it and give you a fixed quote. If not, there is a teardown fee for the labour.
• Replace it with a new long motor from our range below, from $7,350.

What 4JJ1-TC engines does Reco list?

Swipe across the table to see all columns.

Freight is quoted per job. We fit engines at our Sydney and Melbourne workshops. Fitting jobs need a 50% deposit. Engine-only orders are paid in full before dispatch.

What should you ask before ordering a 4JJ1-TC?

1. Is it a truck or a ute? Our engine is the early truck-spec version.
2. Which emissions version is it, Euro 3, 4 or 5?
3. Have the EGR, intake and valve clearances been checked?
4. Has a dealer checked the VIN for recalls?

Ask us about your 4JJ1-TC

Use the enquiry form. Give us the make, model, year, series, rego and VIN, and say if you need it fitted. Or call 02 9737 0105. Quotes are valid for 30 days.