Cummins is a popular brand of American-engineered engine. A 4-cylinder Cummins engine is the ideal of quality for many gear heads, and if you do not already have one of these engines in your car or truck, you might be interested in installing one. These turbo diesel engines work in several different makes and models of car, including Ford trucks. If your car or truck already has a Cummins engine, you may be looking for components to help repair or maintain this engine's high-quality running status. Overall, the 4-cylinder engine is a large category for Cummins, and there are several different options under this large umbrella, so some detailed research can be helpful if you are new to this area of automotive mechanics and are unfamiliar with Cummins' offerings. There is a vast inventory of 4-cylinder Cummins engines and related products on eBay, including full engines with transmissions and smaller components such as pistons, gasket sets, oil coolers, and more. Whether you are an expert or a novice when it comes to Cummins engines, you should be able to find what you need.Shop the large inventory of motors, parts, accessories, and complete Cummins car and truck engines!