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Fuel Injector Supply Connector Cummins 2872395 | 2872288, 3975703, 4929864
Ensure leak-free fuel delivery and optimal engine performance with the Cummins 2872395 fuel injector supply connector, engineered for durability and precise fitment.
Description
High-Performance Fuel Injector Supply Connector for Cummins Engines
The Cummins 2872395 fuel injector supply connector is a critical component designed to maintain the integrity and efficiency of your engine’s fuel delivery system. It establishes a secure, high-pressure connection between the fuel supply line and the fuel injector, ensuring that fuel is delivered consistently and at the correct volume to the combustion chamber. This part is also available under the numbers: 2872288, 3975703, 4929864, and 4903290.
Engineered to withstand extreme operating temperatures and high fuel system pressures, this connector prevents fuel leaks and pressure drops that can lead to engine misfires, rough idling, or reduced fuel efficiency. Replacing a worn or damaged injector connector tube is essential for maintaining optimal combustion and protecting your fuel injectors from premature wear.
Product Features & Benefits
- Precise Fitment: Manufactured to exact specifications for seamless integration with compatible Cummins fuel systems.
- Leak-Free Seal: Designed with high-quality materials and precise fittings to ensure a reliable, high-pressure seal.
- Durable Construction: Built to resist thermal stress, vibration, and corrosion, ensuring long-lasting service life.
- Optimized Performance: Helps maintain consistent fuel pressure, contributing to improved fuel economy and smoother engine operation.
Applications and Compatibility
This fuel injector supply connector is widely used in heavy-duty and medium-duty Cummins diesel engines, including the ISC, ISL, QSC, QSL, and L9 series (commonly found in commercial trucks, agricultural machinery, and industrial equipment). Please verify your engine’s serial number or existing part number to ensure correct fitment.
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 2872395
- 2872288
- 3975703
- 4929864
- 4903290
- 4088578
- 3979419
- 3976656
- 3947538



