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Connecting Rod Bearing






Connecting Rod Bearing-to-Journal Oil Clearance





Connecting Rod Big End Bore Code Locations
Each rod has a tolerance range from 0 to 0.024 mm (0.0009 inch), in 0.006 mm (0.0002 inch) increments, depending on the size of its big end bore. It's then stamped with a number or bar (1, 2, 3 or 4/I, II, III, or fill) indicating the range. You may find any combination of numbers and bars in any engine, (Half the number or bar is stamped on the bearing cap, the other half on the rod.).





Connecting Rod Journal Code Location
The connecting rod journal codes are stamped on the No. 1 web.





Connecting Rod Journal Codes
Use the big end bore codes and rod journal codes to select appropriate replacement bearings from the table.

NOTE: Color code is on the edge of the bearing.