This is a new, genuine Kubota turbocharger assembly, part number 1J807-17010. Kubota engine parts dealers list it for the D1803, the 1.8 liter (111.4 cu in) three-cylinder of the 03 Series, and every turbocharged D1803 in Kubota’s lineup is a common-rail engine (D1803-CR). It belongs to Kubota’s 1J807 part series, the same series as the D1803-CR cylinder head 1J807-03045, EGR valve 1J807-62703 and engine wire harness 1J807-65066. Its four-cylinder sister is 1J808-17010 for the V2403-CR-TIE4.

Kubota built the turbocharged D1803-CR in more than one version: the D1803-CR-T with a DOC and a DPF, and the intercooled D1803-CR-TI with a DOC only. Kubota lists more than one turbocharger for them, so order by engine serial number and old turbo number. A turbo is usually replaced for shaft play with wheel rub, oil at the compressor outlet or in the exhaust, a noisy or seized rotor, or low boost. Check the air filter, the intake hoses, the oil feed and the oil drain before the new one goes on.

Specifications

Fits / Applications

• Kubota D1803 three-cylinder common-rail turbo diesel, Kubota part series 1J807 (D1803-CR)
• Confirm by engine model, engine serial number and old turbo number

Find out why the old turbo failed before you fit this one. Change the engine oil and filter, make sure the oil feed line is clean and the drain is clear, and check the air cleaner and intake pipe for dirt or loose debris. Use new gaskets at the exhaust manifold, the outlet flange and the oil connections, with no sealant on the oil side. Fill the oil inlet with clean engine oil, crank until oil pressure comes up, then let the engine idle for a few minutes before you load it. If the old turbo passed oil, clean the charge air piping and check the exhaust aftertreatment for oil before the engine goes back to work.

Part Numbers & Cross Reference

Kubota 1J807-17010

Cross-reference numbers can change with engine serial, build year and emissions tier, so treat this list as a starting point. Send us your engine serial number and we will confirm the exact match against your build before anything ships. That check is free and takes a few minutes.

Frequently Asked Questions

Which engine does the 1J807-17010 fit?

The Kubota D1803 three-cylinder common-rail turbo diesel, in Kubota’s 1J807 part series. Kubota built this engine in T and TI versions, so call 530-668-0818 with your engine model and serial number and we will confirm it.

Is it the same as 1J808-17010?

No. 1J808-17010 is the sister turbo for the four-cylinder V2403-CR-TIE4. This one is listed for the three-cylinder D1803.

Is it the same as 1J805-17012?

No. Kubota lists both for D1803 engines, but they are separate part numbers. Match the number on your old turbo, or send us the engine serial number and we will check.

Is it new or remanufactured?

New, genuine Kubota. It is a complete turbocharger assembly.

Related Parts

• Kubota D1803 Engine Wire Harness 1J807-65066 (Genuine)
• Kubota D1803-CR-TIE4 & V2403-CR-TIE4 Common-Rail Fuel Injector | Bosch 0445110775 New
• Kubota D1803 V2403 EGR Valve Assembly 1J808-62703 (Genuine)
• Kubota D1803-CR & V2403-CR Mechanical Fuel Feed Pump (KX040-4, U48-5) | Genuine Kubota 1J801-52030

Why Buy From Valley Fuel Injection

We are an authorized Kubota dealer and a diesel fuel-injection shop in Woodland, CA, working on diesel engines since 1993. When you call, you talk to people who know Kubota engines, and we check the part number against your engine serial or machine model before anything ships, so the right part arrives the first time. See our Kubota engine sales, parts and service.