0445120450 Replacement Common Rail Injector For Doosan DL08 Tier 4 400903-00157

0445120450 Replacement Common Rail Injector For Doosan DL08 Tier 4

The 0445120450 common rail injector is a new aftermarket replacement for diesel fuel systems using the corresponding 0 445 120 450 / 400903-00157 injector configuration, associated with the Doosan DL08 Tier 4 diesel engine. It is supplied as a replacement component only and is not a factory-branded unit.

Related repair component references include nozzle DLLA150P2214 and control valve F00RJ02429.

DL08 Tier 4 Fuel System

The surrounding DL08 Tier 4 fuel-system references are identified together under the DL08 Tier 4 configuration in the Doosan application guide.

Product Specifications

Injector Repair Parts

Industry repair catalogues list 0445120450 with nozzle DLLA150P2214 and control valve F00RJ02429 in the same record; the control valve data also lists 0 445 120 450 to Doosan 400903-00157A.

Main Advantages

• New aftermarket replacement
• Direct reference for 0445120450
• Doosan 400903-00157 replacement
• DL08 Tier 4 application
• CRIN3 injector architecture
• Repair components identifiable
• Individual part-number inspection
• Neutral export packing
• Worldwide delivery available

Application

Confirmed Engine-Level Application

Equipment-Level Reference

Used in selected Doosan construction equipment equipped with the DL08 Tier 4 engine. Public market data links 0445120450 with some Doosan DX-series machines (including DX300 / DX340 DL08 applications), but no OEM application table of the same quality as the engine-level data locks a specific excavator model to this injector, so the machine model is not fixed in this listing.

Correct Part Identification

Please confirm at least one of the following before ordering:

1. Injector number: 0445120450 / 0 445 120 450
2. Doosan OE number: 400903-00157 / 400903-00157A
3. Engine model and emission version
4. Injector label or product photo
5. Machine model and serial number

Do not select an injector only by the DL08 engine name. Different DL08 emission configurations use different common rail injectors. Available application data identifies DL08 Tier 4 → 0445120450 / 400903-00157, while DL08 EU6 → 0445120278 / 400903-00045. Always confirm the existing injector number, the emission version and the engine nameplate.

Doosan DL08 Fuel System Note

This page locks only the confirmed DL08 Tier 4 relationship: 0445120450 / 0 445 120 450 / 400903-00157 → Doosan DL08 Tier 4 → CRIN3 common rail injector. Other DL08 injectors, high-pressure pumps and common rail components (including other emission versions) are treated as related DL08 products only; they are not mandatory matched parts for 0445120450. Always confirm by the number on the existing injector, the emission version and the engine nameplate.

Related Fuel System Parts

0445020152 high pressure pump (Doosan OE 400912-00030A) and 0445226107 common rail / distributor tube (Doosan OE 150120-00014) are listed together with 0445120450 under the DL08 Tier 4 configuration. These are related references for the same fuel-system configuration; they are not mandatory matched parts.