MAIN BEARINGS

Main bearings are a crucial component of an engine's internal structure, serving as the support system for the crankshaft in the engine block. These bearings are subjected to extreme pressures and forces while the engine is running, making their quality and durability essential for optimal engine performance.

In the category of Main Bearings, you will find a comprehensive selection of high-quality products designed to provide reliable support and stability to your engine's crankshaft. Products such as the MAHLE MS-2328P Main Bearing Set and the CUMMINS 4955853 Main Bearing Set offer standard sizing options for a precise fit in a range of 5.9L and 6.7L Cummins engines.

For those in need of undersized main bearings, options like the MAHLE MS-2328P-.25MM and MAHLE MS-2328P-.50MM Main Bearing Sets provide a perfect solution for engines requiring a tighter clearance for optimal performance. Additionally, products like the CUMMINS 3955860 Main Bearing Set in various oversize options cater to specific engine requirements.

Whether you are looking for main bearing cap bolts, crankshaft thrust bearings, or alignment dowels, this category offers a diverse range of products to suit your needs. Brands such as Interstate McBee and MAHLE provide reliable and durable options for a variety of Cummins engines from different model years.

Investing in high-quality main bearings is essential for maintaining the longevity and efficiency of your engine. Browse through our selection of Main Bearings to find the perfect component to support your engine's crankshaft and ensure optimal performance.