Sierra. Silverado; 5.3L. Bearing. Complete Set. Engine Crankshaft Main Bearing. Engine Crankshaft Thrust Washer. Includes: One Standard Upper & Lower Bearing. Includes: Standard Upper & Lower Bearing. Includes: Standard Upper, Lower, & Thrust Bearings. Includes: Upper, Lower, & Thrust Bearings. Kit - CR/SHF. Set. Engine Crankshaft Thrust Washer. Main S.