Engine & Fuel

Our engine systems exceed the expectations for efficiency required by the commercial and off-highway markets. If you’re looking for technologically advanced applications, look no further than KIRKS.

Engine and Fuel


Partnering with top manufacturers like Bosch, Interstate McBee, and E3 Spark Plugs, we provide replacement parts for a variety of engine applications, including Caterpillar®, Cummins®, Detroit Diesel®, and Navistar®.

Our diesel engine product lineup includes turbos, injectors, injection pumps, valve train components, fuel pumps, oil pumps, oil coolers, camshafts, and sensors.

Whether you’re running on natural gas, CNG, LNG, or RNG, we supply spark plug kits, coil-on-plug ignition coils, and oxygen sensors to keep your fleet running smoothly.

Bosch Logo Interstate McBee E3 Spark Plugs

E3 Spark Plugs

EGR Coolers

Trusted by Fleet & Transit Industry Professionals

Browse our complete inventory to find the exact part you’re looking for. We have a variety of products in stock and ready for you.