Injector Fuel Supply Tube (Cylinder 4) Cummins 3930394 | J930394, 87773084

High-Performance Injector Fuel Supply Tube for Cummins Engines

The Injector Fuel Supply Tube (Cylinder 4) is a critical component in the fuel injection system of heavy-duty Cummins diesel engines. Designed to deliver fuel from the injection pump directly to the fourth cylinder’s injector, this high-pressure line is engineered to withstand extreme pressures and temperatures, ensuring consistent fuel delivery and optimal engine performance.

Key Features & Benefits

• Precision Fit: Specifically engineered for the #4 cylinder on Cummins 6C 8.3, 6CT, ISC, and ISL series engines, ensuring a perfect, leak-free connection.
• Durable Construction: Fabricated from high-grade, corrosion-resistant steel to handle high-pressure fuel delivery without cracking or degrading over time.
• Optimized Combustion: Maintains consistent fuel pressure and flow rate, which is essential for precise injector timing, improved fuel economy, and reduced emissions.
• Reliable Performance: Built to meet or exceed rigorous industry standards, minimizing the risk of fuel leaks and costly engine downtime.

Product Specifications

• Brand: Cummins
• Part Number: 3930394
• Component Type: Injector Fuel Supply Tube (Cylinder #4)
• Compatible Engines: Cummins 6C 8.3, 6CT 8.3, G8.3, ISC, ISL, QSB6.7, QSL9

Keep your heavy-duty diesel engine running smoothly and efficiently. Always verify your engine serial number (ESN) or part number compatibility before purchasing to ensure a perfect fit.