Fuel Supply Tube Cummins 3973800 | 3973804, 3973805

Reliable Fuel Delivery for Cummins Engines

The 3973800 Fuel Supply Tube is a critical component engineered to maintain consistent fuel flow from the supply system to the engine. Built to withstand the intense vibrations and pressures of heavy-duty operation, this tube ensures your fuel system remains leak-free and efficient under various operating conditions.

• Durable Construction: Made from high-quality materials resistant to fuel-induced corrosion and mechanical wear.
• Precise Fitment: Features exact fittings for a secure, leak-proof connection, simplifying the installation process.
• Engine Compatibility: Optimized for Cummins QSC and QSL series engines, including QSC8.3 and QSL9 models.
• Performance Stability: Supports the Engine Control Module (ECM) by providing stable fuel pressure, essential for combustion efficiency.