Diesel spoken here...

Since 2001, Diesel System Services, located in El Cajon, California, has been offering diesel engine parts and service to the San Diego area and to customers all over the United States and Canada. Specializing in diesel diagnostics, parts, and repair service for diesel pickup trucks, commercial trucks, RV and diesel powered equipment. Offering general diesel engine maintenance and repair, to custom built high performance diesel engines, fuel injection, turbochargers and Engine Control Modules (ECM's)! Covering Dodge Cummins, GMC/Chevy Duramax and Ford Powerstroke. Plus over the road commercial truck engines, Cummins, Caterpillar, Detroit and International! Custom engine machine work is also available.

Diesel System Services, offers front drive axle and rear differential rebuilding and regearing. We also sell commercial heavy duty drive train parts, rebuilt transmissions, differentials and transfer cases. Parts for Eaton Fuller, Spicer, Rockwell Meritor, Allison, Dana, ZF, Chelsea PTO, and  New Process.