Illustrative photo — the delivered item may differ in appearance. Orders are fulfilled by catalog part number (SKU).
Fuel Transfer Pump Cummins 5260632 | 3968188, 3955116, 3968187
Ensure a consistent and reliable fuel supply to your engine with this high-performance 12V fuel transfer pump. Designed for heavy-duty Cummins ISC, ISL, QSC, and QSL engines, it prevents fuel starvation and maintains optimal combustion efficiency.
Description
High-Performance 12V Fuel Transfer Pump for Cummins Engines
The Cummins 5260632 fuel transfer pump is a critical component designed to deliver a steady, low-pressure fuel supply from the tank to the high-pressure injection system. Operating at 12 volts, this electric lift pump ensures consistent fuel flow, preventing fuel starvation and protecting your engine’s high-pressure fuel rail from premature wear. It is engineered to meet the rigorous demands of heavy-duty commercial and industrial applications.
This part is also available under the numbers: 3968188, 3955116, and 3968187. Replacing a worn or failing transfer pump is essential for maintaining optimal combustion efficiency, reducing emissions, and preventing hard-start or no-start conditions in demanding environments.
Engine Compatibility & Fitment
This fuel transfer pump is designed for a wide range of Cummins medium and heavy-duty diesel engines, including:
- Cummins ISC 8.3
- Cummins ISL 8.9
- Cummins QSC 8.3
- Cummins QSL 8.9
- Cummins 6L8.9
Key Features & Benefits
- Reliable 12V Operation: Provides consistent low-pressure fuel delivery to the injection pump.
- Heavy-Duty Construction: Built with high-quality materials to withstand harsh operating conditions and vibration.
- Direct Fit: Manufactured to exact dimensional specifications for a seamless, hassle-free installation.
- System Protection: Prevents cavitation and fuel starvation, extending the lifespan of expensive high-pressure fuel system components.
Cross-Reference / Interchange Part Numbers
This part replaces / is interchangeable with the following part numbers:
- 5260632
- 3968188
- 3955116
- 3968187
- 5260634
- 3968190
- 4937766
