3681718- Cummins Turbo Oil Supply Hose

Cummins 3681718 – Turbocharger Oil Supply Tube

Product Summary

The Cummins 3681718 Turbocharger Oil Supply Tube is a genuine OEM oil feed line designed to deliver a consistent supply of pressurized engine oil from the engine's lubrication system to the turbocharger. Proper lubrication is essential for reducing friction, dissipating heat, and extending turbocharger service life. Manufactured to Cummins' original specifications, this tube provides the correct fit, routing, and sealing required for dependable performance in demanding heavy-duty applications.

Key Features

• Genuine Cummins OEM component
• Supplies clean, pressurized oil to the turbocharger
• Precision-bent steel tube for proper fit and routing
• Helps maximize turbocharger reliability and longevity
• Built to meet original equipment durability standards

Typical Applications

This part is commonly used on Cummins ISX and QSX 15L (Euro 3) engines. Exact application depends on the engine serial number (ESN), so fitment should always be verified before ordering.

Benefits

• Restores proper turbocharger oil flow
• Helps prevent premature turbo bearing wear
• OEM-quality fit reduces installation issues
• Ideal for engine overhauls or turbocharger replacement