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Mitsubishi 49131-05512 is the compact TD03 type turbocharger with a square four bolt exhaust inlet flange, an aluminium compressor housing and no wastegate. It is used on Mitsubishi S4Q2 and Kubota V2003 engines. This aftermarket version is made to the same mounting and connections as the original, so it fits where the old one came off.
Sold as one unit. Check the number on your old part, or in the parts manual for your machine, before ordering.
| Part Type | Turbocharger |
| Replaces | Mitsubishi 49131-05512 |
| Turbo model | TD03 |
| Engine | Mitsubishi S4Q2, Kubota V2003, Iveco F5C |
| Fits | the Mitsubishi S4Q2 and Kubota V2003 diesel engines and Iveco F5C engines in tractors and compact machines |
| Condition | New, aftermarket |
| Stat. HS-Code | 841480 |
| Country of Manufacture | China |
Machines
Check the part number on your old unit before ordering.
| Mitsubishi Part No.(SPM Part No.) | Fits |
|---|---|
| 49131-05512(SPM-HEP-4907) | the Mitsubishi S4Q2 and Kubota V2003 diesel engines and Iveco F5C engines in tractors and compact machines |
What it does
Exhaust gas spins the turbine, which drives the compressor wheel on the same shaft and pushes more air into the engine. More air lets the engine burn more fuel cleanly, giving the rated power.
Where it is used
Made for the Mitsubishi S4Q2, Kubota V2003 diesel engines and Iveco F5C engines in tractors and compact machines. The full list is in the tables above.
We check what other aftermarket sellers charge for this same part. Their prices on the date we checked:
| Seller | Price | Checked |
|---|---|---|
| SINOCMP | USD 349.00 | 1 Nov 2026 |
| Spare Part Mart | USD 279.20 | Today |
Our price of USD 279.20 is approximately 20% less than this seller.
Found this part cheaper somewhere else? Send us the listing and we will beat it by 5% under our Price Beat Guarantee. Every order is also covered by our 30 day money back guarantee.
Yes, it was made for the Mitsubishi S4Q2, and 2 more listed under compatible equipment. Check the old turbocharger is marked 49131-05512 or one of the cross references, because makers change parts between serial ranges.
On the Mitsubishi S4Q2, often as long as the engine, 8,000 hours or more, when the oil and air filters are kept on schedule. Most turbos fail early from oil or dirt problems, not age.
Blue or black smoke, a whistle or siren noise, loss of power, oil in the intake or exhaust, or the shaft rubbing the housing.
Yes. Fit new oil and a new filter, and replace the oil feed and drain gaskets. Make sure the drain line is clear and runs downhill.
Pour clean engine oil into the oil inlet and turn the shaft by hand, then crank the engine with the fuel cut until oil pressure shows. Let it idle for a minute before load.
No. It is an aftermarket turbocharger made to replace the Mitsubishi 49131-05512. It is not made by the original manufacturer; the number only shows what it replaces.
Live rates for the quantity selected, delivered to your door. Confirmed at checkout.
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