Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Injector Fuel Supply Tube Cummins 3964143 | 5446737, K9002540, 851015248
The Cummins 3964143 Injector Fuel Supply Tube delivers pressurized fuel from the fuel rail to the injector, ensuring optimal combustion and engine performance. Built to withstand extreme pressures and temperatures, it prevents leaks and maintains consistent fuel flow in heavy-duty diesel engines.
Description
High-Performance Fuel Delivery for Heavy-Duty Engines
The Cummins 3964143 Injector Fuel Supply Tube is a critical component in the fuel injection system of heavy-duty diesel engines. It acts as a high-pressure conduit, transferring fuel from the fuel rail or manifold directly to the injector. By maintaining a stable and pressurized fuel flow, this tube ensures that injectors can deliver fuel into the combustion chamber at the precise moment and in the correct quantity, supporting efficient combustion, smoother engine operation, and maximum fuel efficiency.
Key Features and Benefits
- Durable Construction: Engineered from high-grade steel to withstand extreme pressure fluctuations and high operating temperatures within the engine compartment.
- Leak-Free Design: Precision-manufactured to guarantee a secure, tight fit, minimizing the risk of fuel leaks or pressure drops.
- Optimal Engine Performance: Promotes consistent fuel delivery, helping to reduce emissions, improve fuel economy, and maintain steady power output.
- Direct Replacement: Designed to meet exact dimensional specifications for a seamless installation process.
Engine Compatibility
This injector fuel supply tube is compatible with a wide range of Cummins medium and heavy-duty diesel engines, including:
- Cummins ISC 8.3
- Cummins ISL 8.9 / ISL 9
- Cummins QSC 8.3
- Cummins QSL 8.9 / QSL 9
