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Fuel Injection Pump Cummins 4307021 | 4307021RX, 4307021NX, 4307188, 4307024, 4307189, 2897500, 3973228
Ensure optimal fuel delivery and peak engine performance with the Cummins 4307021 fuel injection pump. Engineered for heavy-duty ISC and ISL engines, this high-pressure pump guarantees precise fuel metering and long-lasting reliability.
Description
High-Pressure Fuel Injection Pump for Cummins ISC & ISL Engines
The Cummins 4307021 fuel injection pump is a critical component designed to maintain precise fuel pressure and flow within your engine’s common-rail fuel system. Engineered specifically for heavy-duty applications, this high-pressure pump ensures optimal combustion efficiency, reduced emissions, and consistent power delivery under demanding operating conditions. This part is also available under the numbers: 4307021RX, 4307021NX, and 4307188.
Reliable Performance & Durability
Built to meet rigorous standards, the 4307021 fuel pump is constructed from high-grade materials to withstand extreme pressures and temperatures. Replacing a worn or failing fuel pump helps eliminate common engine issues such as rough idling, power loss, hard starting, and decreased fuel economy. Investing in a high-quality replacement ensures your diesel engine continues to run smoothly and efficiently.
Engine Compatibility & Applications
This fuel injection pump is widely used across a range of Cummins medium and heavy-duty diesel engines, including:
- Cummins ISC (8.3L)
- Cummins ISL / ISL9 (8.9L)
- Cummins L9 / QSL9
- Cummins B6.7
- Commonly found in heavy-duty trucks, buses, industrial equipment, and Hyundai excavators (such as HX330L, HX380L, HX430L)
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 4307021
- 4307021RX
- 4307021NX
- 4307024
- 4307188
- 4307188NX
- 4307189
- 2897500
- 3973228
