CAT & International Diesel Modules

Caterpillar and International diesels power a large share of diesel pusher motorhomes, school and shuttle buses, and medium-duty work trucks. Diesel Modules performance modules for these engines are designed to give drivers better throttle response, quicker turbo spool and steadier power on long climbs, without reprogramming the factory ECM. Each module connects to factory sensor locations under the hood with OEM-style connectors, and stock settings stay in place.

This collection includes modules for the Caterpillar 3126, C7 and C9 from 1998-2005 and the non-DPF C7 and C9 from 2006-2009, plus the International MaxxForce DT, 9 and 10 for 2008-2011 and 2010-2014. Each listing shows the engine family and the years it fits. Coach builders often list the engine model on a data plate near the engine or in the owner's documentation, so check that before you choose.

If your coach or truck uses a different engine, look in the Medium-Duty & RV collection or use the Year / Engine search at the top of the page. You can also call or text us with your engine model and year, and we will confirm the right module before you order.