Main Housing, Camshaft, Components, Plunger, Barrel, Tappet & Roller

Main housing components play a vital role in the durability and efficiency of diesel injection pumps. These include camshafts, plungers, barrels, tappets, and rollers designed to keep your fuel system operating smoothly. At The Diesel Store, you’ll find Caterpillar main housing components along with other reliable brands that meet OEM standards. Count on our parts to deliver strength, precision, and consistent performance for your diesel engine.