This direct replacement oil cooler kit is a must - have for your 1994 - 2002 Dodge Ram HD. It's engineered to meet or even surpass factory specs. It fits 1994 - 1998 Dodge Ram HD with 5.9L 12V B - Series Cummins and 1998.5 - 2002 Dodge Ram HD with 5.9L ISB Cummins w/ VP44. OEM Part Numbers are 3921558, 3957544, 4713985AB and the Part Number is AP63467. The kit includes 2 gaskets: 3929782 for 94 - 98 models and 3942915 for 98.5 - 02 models.

Using this oil cooler kit is straightforward. First, make sure your engine is cool before starting the installation. Remove the old oil cooler carefully and install the new one in its place. Ensure all connections are tight. When it comes to the gaskets, use 3929782 for 1994 - 1998 models and 3942915 for 1998.5 - 2002 models. As for maintenance, regularly check for any signs of leaks. If you notice any issues, replace the gaskets promptly. Also, keep the oil cooler clean to ensure its long - term performance.