Fuel Supply Hose Cummins 3685987

Reliable Fuel Delivery for Heavy-Duty Engines

The Cummins 3685987 Fuel Supply Hose is a critical component engineered to maintain the integrity and efficiency of your commercial truck’s fuel system [S1]. Designed specifically for high-pressure XPI fuel systems, this fuel supply tube ensures a smooth, uninterrupted flow of fuel from the tank to the engine’s combustion chambers [S1]. By delivering a steady supply of fuel, it supports optimal combustion, maximizes power generation, and helps maintain peak engine performance under demanding heavy-duty operations [S1].

Key Features and Benefits

• Durable Construction: Fabricated from high-grade materials that resist corrosion, wear, and extreme temperatures, ensuring long-lasting service life [S1].
• Leak-Free Connections: Features precision-engineered fittings that guarantee a secure, tight seal, minimizing the risk of fuel leaks and pressure drops [S1].
• Vibration Resistance: Built with reinforced sections to withstand the constant vibrations and high pressures typical of heavy-duty commercial vehicle operations [S1].
• Enhanced Efficiency: Promotes consistent fuel flow, which directly contributes to improved fuel economy and reduced emissions [S1].

Engine Compatibility and Fitment

The Cummins 3685987 Fuel Supply Hose is designed for seamless integration with EPA13 automotive 15-liter engines, including:

• Cummins ISX15 Series: Compatible with ISX15 CM2250 and ISX15 CM2350 X101 engines [S1].
• Cummins QSX15 Series: Compatible with QSX15 CM2250, QSX15 CM2250 ECF, and QSX15 CM2350 X105 engines [S1].

Product Specifications

• Weight: 0.27 lbs
• Dimensions: 14.5 x 1.0 x 1.0 inches

Cross-Reference / Interchange Part Numbers

This part replaces / is interchangeable with the following part numbers:

• 3685987
• NONE