3688791 | Cummins ISX Piston Cooling Nozzle, New

Cummins 3688791 Piston Cooling Nozzle – New

Ensure proper lubrication and cooling for your Cummins diesel engine’s pistons with this brand-new piston cooling nozzle — a precision engine part designed for reliable performance.

Product Overview
This new piston cooling nozzle helps direct oil spray under the piston for essential cooling and lubrication, protecting your engine from excessive heat and wear. Ideal for maintenance, repair, or rebuild projects on Cummins engines.

Key Features

• Brand-new replacement piston cooling nozzle

• Helps improve piston cooling and protect against heat-related engine damage

• Engineered for dependable performance and consistent oil delivery

• Direct fit for applicable Cummins diesel engines

• Sold individually — ideal for stock replacement or rebuilds

Why It Matters
Piston cooling nozzles play a critical role in cylinder lubrication and temperature control, helping maintain engine efficiency and extend component life. Regular replacement during service helps reduce the risk of piston scuffing or catastrophic failure.