Description

The Cummins Lower Gasket Set 3800348 is a complete bottom-end gasket kit designed for Cummins 6C and 6CT 8.3 diesel engines . This lower gasket set includes the essential gaskets and seals required when servicing the engine block, crankshaft area, and oil pan during engine repairs or rebuilds. Manufactured to meet OEM specifications , this gasket set is engineered to provide reliable sealing against oil leaks and pressure loss in high-load diesel applications. The kit commonly includes oil pan gaskets, front and rear crankshaft seals, and lower engine sealing components , making it ideal for bottom-end service and overhaul work. The Cummins 3800348 lower gasket set is typically installed during in-frame rebuilds, bottom-end overhauls, oil pan removal, and crankshaft or bearing service . Replacing lower gaskets and seals is critical to maintaining proper oil pressure, preventing leaks, and ensuring long-term engine durability. This gasket set is widely used by professional diesel repair shops, engine rebuilders, and fleet maintenance operations working on Cummins 8.3L engines.