Delivery Valve 1418502015: Key Component for Reliable Diesel Fuel Injection
The Bosch Delivery Valve 1418502015 is an important component inside mechanical diesel injection pumps. It helps maintain residual fuel pressure, prevents fuel backflow, and improves injection cut-off characteristics. Commonly found in Mercedes-Benz OM615, OM616, and OM621 diesel engines, this valve contributes directly to engine efficiency and starting performance.
1. Specifications
Part Number: 1418502015
Bosch Number: 1 418 502 015
OE Number: A0000741115
Material: Hardened Alloy Steel
Type: Constant-Pressure Delivery Valve
Compatible Engines:
Mercedes-Benz OM615
Mercedes-Benz OM616
Mercedes-Benz OM621
Typical Vehicle Applications:
Mercedes-Benz 190D
Mercedes-Benz 200D
Mercedes-Benz 220D
Mercedes-Benz 240D
2. Common Failure Symptoms
Hard starting after extended parking
Rough or unstable idle
Increased black exhaust smoke
Reduced engine power under load
Poor fuel economy
Uneven fuel delivery between cylinders
Fuel leakage around the delivery valve holder
3. Replacement & Maintenance
Replace during injection pump overhaul
Inspect valve seat and plunger for wear
Replace sealing washers during installation
Clean valve bore before fitting new parts
Bleed air from the fuel system after replacement
Replace fuel filters regularly
Use clean diesel fuel to prevent contamination
Check injection pump condition during major service intervals
4. Other Popular Delivery Valve Models
1418502001
1418502003
1418502013
096420-0550
090140-1990
Although small in size, the Delivery Valve 1418502015 plays a major role in fuel injection accuracy and engine reliability. Timely inspection and replacement can help maintain consistent fuel pressure, improve combustion efficiency, and extend the service life of diesel injection pumps.