Description
This oil cooler is engineered for Cummins NT855 engines and replaces OEM part number 3021581. It provides efficient heat dissipation to maintain proper oil temperature, protecting vital engine components from overheating. Built to meet OEM specifications, this cooler features durable, corrosion-resistant construction and a precision fit for quick, hassle-free installation in heavy-duty diesel applications. Application: Aftermarket Cummins NT855 Small Cam Big Cam I & II 12–5/8 inch length Key Features: OEM replacement for Cummins 3021581 Compatible with NT855 engine series Regulates oil temperature for engine protection Durable and corrosion-resistant materials Direct-fit design for easy installation Compatibility: Cummins NT855 Engines OEM Replacement Part #: 3021581






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