About Us

Market Segments



On-Highway Applications - Engine & Fuel Injection Parts 

Interstate-McBee has a broad offering, over 20,000 part numbers in stock and over 75,000 part numbers available for on-highway vehicle applications.  Fuel system components and internal engine components cover class 5 – 8 trucks. Interstate-McBee’s focus on continued expansion of products for the latest vehicles includes parts for Caterpillar®, Cummins®, Detroit Diesel®, and Navistar® engine applications. 

Off-Highway & Construction Applications - Engine & Fuel Injections Parts 

If you are looking for high horsepower industrial engine applications, Interstate-McBee has you covered. From the Cummins® KT/QSK applications, 149 Detroit Diesel®, all the way up to Caterpillar® 3600 Series, we have invested our engineering and capital resources to bring you the most complete offering in the aftermarket.



Marine Applications - Engine & Fuel Injection Parts 

If it's a Caterpillar®, Cummins®, or Detroit Diesel® powering your vessel, Interstate-McBee has product for you. With over 20,000 part numbers in stock and over 75,000 part numbers available through distribution points in close proximity to the Atlantic, Pacific, and Gulf. We offer the most knowledgeable customer service and the quality you demand.




Power Generation Applications - Engine & Fuel Injection Parts 

Highest quality aftermarket replacement parts are available for many engine applications used for power generation. With a robust staff of engineers backed by our ISO certification, you can be confident when choosing Interstate-McBee for your power generation needs.




Natural Gas Applications - Engine Parts

Interstate-McBee leads the aftermarket for engines fueled by Natural Gas, CNG, LPG, landfill or digester gas. Offering coverage for Cummins®, Caterpillar® and Waukesha® engine application, we service engines from 3.9L Cummins® all the way through 3500 and 3600 Caterpillar®. We offer the highest quality replacement parts for the VHP series Waukesha® engines.