Internet Diesel stocks a wide range of parts for Caterpillar heavy-duty diesel engines. Our Cat parts help trucks, fleets and equipment owners rebuild engines and get back to work fast.
Caterpillar Parts by Engine
We carry parts for the Caterpillar C15 and C15 ACERT, C13, C12, C10, C9, C7, the 3406A, 3406B and 3406E, and the 3100 series 3116 and 3126. Use the engine menu to filter by your model.
Cat Part Types
Cylinder heads – new and reman C15, C13, C12 and 3406E heads
Share your Cat engine serial number and arrangement number when you call. They are on the engine information plate. We use them to match pistons, liners, heads and injectors to your exact build.
