Kubota V2403 V1803 D1803 Fuel Injector 1J801-53052 (Genuine)
Genuine Kubota fuel injector assembly, part number 1J801-53052, for the V2403-CR, V1803-CR and D1803-CR common rail engine families. It is a Bosch-built injector — Bosch number 0445110777 — supplied in genuine Kubota packaging.
Valley Fuel Injection & Turbo has specialised in diesel injection since 1993 and is an authorized Kubota dealer. We stock genuine Kubota engine parts, and because we run a full common rail shop on site we can also help you confirm the injector really is the fault before you spend the money on four of them.
Confirm Fitment Before You Order
Kubota runs more than one injector through the same engine family depending on build year and emissions tier — the later V2403 and D1803 take 1J808-53052 instead. Call 530-668-0818 with your engine serial, VIN or the number stamped on the unit you pulled and we will confirm the exact match, at no charge, before you buy the wrong part.
Specifications
| Part number | 1J801-53052 |
| Brand | Kubota |
| Condition | New — genuine, in original packaging |
| Application | Kubota V2403-CR — four-cylinder 2.4 L common rail |
| Price | $875.00 |
| Shipping weight | 1.5 lb |
| Availability | In stock — Woodland, CA |
Fits / Applications
- Kubota V2403-CR — four-cylinder 2.4 L common rail
- Kubota V1803-CR — four-cylinder 1.8 L common rail
- Kubota D1803-CR — three-cylinder 1.8 L common rail
- Equipment applications include Kubota L3301, L3901, L4701 tractors and KX040-4 / U48-5 excavators
- Four injectors on a V-series four; three on the D1803
Part Numbers & Cross Reference
Kubota 1J801-53052 · Bosch 0445110777
Original-equipment numbers on these platforms change with engine serial, model year and emissions tier, so we do not publish a blanket interchange list that might send you the wrong part. Send us your engine serial number or VIN and we will confirm the exact match against your build before anything ships — that check is free and takes a few minutes.
Why Buy From Valley Fuel Injection
We are a diesel fuel-injection and turbocharger shop in Woodland, CA — rebuilding pumps, injectors and turbos on our own benches since 1993, not a drop-ship storefront. When you call, you talk to the people who test these units. We verify fitment against your engine serial, VIN or build date before anything ships, so the right part arrives the first time.
Not sure the injectors are the problem? We flow-test and diagnose injector complaints in-house — see our injector testing service before you buy a full set.
On the shelf in Woodland and ships free ground in the lower 48 states. Questions on fitment? Call 530-668-0818.
Pricing covers the unit itself. Any applicable sales tax and the refundable core charge are additional; ground shipping in the lower 48 is free. Buying tax-exempt? Qualifying diesel repair shops, fleets, farms, and agricultural operations can purchase tax-free. Set up tax-exempt purchasing once and every qualifying order is tax-free going forward.
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