Piston Cooling Nozzle Cummins 4058947 | 3068526, 3082522

Keep Your Engine Cool and Protected

The Cummins 4058947 piston cooling nozzle is a critical component designed to maintain optimal operating temperatures within your heavy-duty diesel engine. By directing a precise, metered spray of engine oil directly onto the underside of the piston crown, this nozzle effectively dissipates extreme combustion heat, preventing thermal fatigue and protecting vital internal components from premature wear. This part is also available under the numbers: 3068526, 3082522.

Engineered for High-Performance Reliability

Crafted to meet rigorous standards, this engine oil nozzle ensures consistent oil pressure and flow even under heavy loads and demanding operating conditions. It is specifically designed for Cummins N14 and 855 series engines, which are widely utilized in commercial trucks, industrial machinery, and marine applications. Replacing a clogged or damaged cooling nozzle is essential to avoid catastrophic engine failures and costly downtime.

Key Features & Benefits

• Efficient Thermal Management: Delivers targeted oil spray to cool the piston crown and lubricate the wrist-pin bushing.
• Durable Construction: Built with high-quality materials to withstand sustained oil-gallery pressure and extreme engine heat.
• Direct Fit: Designed to match exact specifications for seamless installation and reliable performance.
• Prevents Engine Damage: Helps avoid piston overheating, scuffing, and severe engine breakdowns.

Applications and Fitment

This piston cooling nozzle is compatible with the following heavy-duty diesel engines:

• Cummins N14 (including Celect, Celect Plus, and mechanical models)
• Cummins NT855 / NH855 (855 cubic-inch engines)

Cross-Reference / Interchange Part Numbers

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

• 4058947
• 3068526
• 3082522