0445120258 Replacement Excavator Fuel Injector For Doosan DX300LC-3 DL08

0445120258 Replacement Common Rail Injector For Doosan DX300LC-3

This aftermarket common rail fuel injector is supplied as a replacement for applications identified by 0445120258 / 0 445 120 258 and Doosan OE reference 400903-0031. It is offered for selected Doosan DL08 / DL08K engine applications, with a documented market application on the DX300LC-3 excavator.

It is a replacement component supplied for repair applications and is not a factory-branded unit.

Replacement Reference

Key Features

• New aftermarket replacement injector
• Direct part-number-based replacement
• Suitable for selected DL08 / DL08K fuel systems
• OE reference 400903-0031 supported
• Repair component numbers available (DLLA150P2214 / F00RJ02429)
• Individual injector inspection before shipment
• Neutral or customized export packing

Typical Application

Confirmed and reference applications are listed separately; not all DX350 units use this injector.

Order Confirmation

Before ordering, please provide one of the following:

1. Injector number: 0445120258 / 0 445 120 258
2. Doosan OE number: 400903-0031
3. Injector photo
4. Engine model and serial number
5. Excavator model and production information

Different versions of the DL08 engine may use different fuel injection components; confirmation by the injector number is recommended.

Doosan DL08 Fuel System Note

Doosan DL08 spans several emission versions and more than one common rail fuel system. This page locks only the reliably confirmed relationship: 0445120258 / 0 445 120 258 / 400903-0031 → Doosan DL08 / DL08K → common rail injector. Other DL08 injectors, high-pressure pumps and common rail components are treated as related DL08 products only; they are not mandatory matched parts for 0445120258. Always confirm by the number stamped on the existing injector, the engine and the machine information.

Related Products

0445020157 CP3S3 high pressure fuel pump – compatible fuel-system reference for selected Doosan DL08K common rail applications. This is a related reference only and is not a mandatory matched part for 0445120258.