Upper Main Bearings Only

The Upper Main Bearings Only by MAHLE ORIGINAL/CLEVITE are essential components designed for engine rebuilds and restorations. These bearings provide critical support for the crankshaft, ensuring proper clearance and load distribution to prevent engine failure. They are suitable for mechanics and engine builders looking to refresh or upgrade their engines.

Manufactured from a copper-lead alloy, these upper main bearings are engineered to maintain optimal oil film thickness and accommodate minor imperfections in crankshaft journals. Their design focuses on durability and reliability, making them a preferred choice for various engine applications. The precision-engineered surfaces ensure a proper fit and function within the engine block.

Engine builders and mechanics benefit from using MAHLE ORIGINAL/CLEVITE upper main bearings during crankshaft rebuilds or long-block assemblies. Their OEM-equivalent quality ensures that performance and reliability are not compromised, making them a vital choice for both stock and modified engine setups.