CMD 4.2 ES 300

Mercruiser Cummins Diesel 4.2L ES 300 Parts Lookup

Find parts look-up diagrams here for your 4.2L ES 300 Mercruiser Cummins diesel. Verify you're on the correct page by checking your engine serial number.  All parts are genuine OEM Mercruiser diesel parts and discounted. Add parts to your cart and scroll down for shipping options. 

Please use the Contact Us tab for speedy answers to your questions!