P311-3A18920 MS-1821A New
7320M , MB 5586AM
- Engine Crankshaft Main Bearing Set
- OE Replacement A Series (Aluminum) Standard Requires Thrust Washer Set, Not Included, Use With Part Number TW-451S
- Carrying on a tradition of durability and dependability, Clevite Bi-Metal (aluminum) engine bearings feature 100% lead-free aluminum silicon. Engineered with 60% more silicon than comparable competitive replacements, they provide better conditioning of journal surfaces. This results in greater seizure and wear resistance.