🚗 0445120295 40090300036 New Common Rail Fuel Injector Diesel Engine Parts for Doosan ExcavatorOur fuel injectors deliver precise fuel injection to optimize engine performance and fuel efficiency.
OEM-equivalent design matches original fitment, enabling direct replacement without modifying engine components. (Professional installation recommended for optimal results).
Each unit undergoes bench testing (IQA coding, leakage test) to guarantee consistent performance across every injector.
Backed by 1 year warranty, covering manufacturing defects for worry-free post-purchase support.
Condition | Brand New |
Type | Fuel Injector |
Fuel Type | Diesel |
Part Number | 0445120295 |
Replace Number | 40090300036 |
for Doosan Excavator DL06KB DL220 DX160W-3
🛠 Installation Steps
Depressurize & Disconnect: Depressurize the fuel system. Disconnect the battery, electrical connector, and high-pressure fuel lines.
Remove & Clean: Remove the hold-down clamp. Carefully extract the old injector. Thoroughly clean the injector bore in the cylinder head.
Prepare & Install: Fit new seals (O-rings, copper washer) onto the new injector. Lubricate O-rings with diesel fuel. Carefully install the new injector straight into the bore.
Reassemble & Torque: Reinstall the clamp and torque the bolts to the exact specification. Reconnect all fuel lines and electrical connectors.
Prime & Code: Prime the fuel system. Start the engine and check for leaks. Use a diagnostic tool to code the new injector to the ECU if required.
Key Points: Cleanliness is critical. Never reuse old seals. Always follow manufacturer torque specs.
⚠️ IMPORTANT BUYING GUIDE - PLEASE READ! ⚠️
CHECK COMPATIBILITY: This part is specific. You MUST verify the part number on your old injector or check your vehicle's engine code.
PROFESSIONAL INSTALLATION: Common rail systems are high-pressure. We recommend installation by a qualified mechanic to ensure proper coding/calibration if needed.
NEED HELP? Message us with your car's VIN or a photo of your old injector, and we will confirm if it's compatible.








