Mack Boring & Parts Co.
245 Belmont Drive
Somerset, NJ 08873

(908) 964-0700

The contact form below is for general inquiries. For parts orders/quotes, please send an email to

Please note we no longer offer diesel engine owner training. If you are interested in learning more about your diesel engine, we recommend the Annapolis School of Seamanship. You may also contact your local dealer and ask about training options.