High piston temperatures from a bent or plugged cooling nozzle means it is time for a new part. Replace it with the genuine Cummins 3937214 piston cooling nozzle.

• Genuine Cummins: The factory part, so it matches the original fit and material.
• What it does: Sprays oil onto the underside of the piston crown to keep it cool. Sold individually; a 6 cylinder needs 6.
• Replaces: 3919002 and 3930139.
• Fitment: 1989-2002 Dodge Ram trucks with the 5.9L 12V or 24V Cummins.
• Part number: Cummins 3937214.

Order today, and replace any related gaskets or hardware while you have it apart.