This is a top - notch heat exchanger bypass kit perfect for 2003 - 2007 Dodge Cummins engines. When you're installing a coolant bypass kit or need to bypass the factory heat exchanger on the driver's side of the engine, this kit is your ideal choice. It comes with 2 caps for the heat exchanger lines and an M16 O - ring plug for the engine block. Mainly useful in colder climates, you can tell if you need it by checking the passenger side of the engine. If there's a hard metal line going to the back of the engine, this kit is a must - have. Part Number: FPE - 34382

How to use: First, locate the factory heat exchanger on the driver's side of your 2003 - 2007 Dodge Cummins engine. Then, carefully remove the relevant parts to make way for the installation of this bypass kit. Put the 2 caps on the heat exchanger lines and insert the M16 O - ring plug into the engine block. That's it! You're all set. Note: Always make sure the engine is off and cooled down before starting the installation. Check all connections to ensure they are tight and secure. Maintenance advice: Regularly inspect the caps and the plug for any signs of wear or damage. If you notice any issues, replace them immediately to keep your engine running smoothly.