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This is a new 0.040" U/S con rod bearing set for engines with a crank pin diameter of 65.66mm / 2.585".
Please check the crankshaft size before ordering. This is not the standard-size bearing set and is not the 0.010", 0.020" or 0.030" undersize version. It is suitable for a crankshaft that has been reground to suit 0.040" undersize connecting rod bearings.
If your crankshaft is still standard size, you will need the standard 8G2480 bearing set instead. If your crankshaft has been reground to 0.010", 0.020" or 0.030", please choose the correct undersize bearing set for that crank pin diameter.
Suitable for the following tractors:
Suitable for the following engines:
A useful replacement part when rebuilding or repairing the bottom end of a Leyland or Marshall tractor engine where the crankshaft has been reground to 0.040" undersize.
Original equipment manufacturers names and parts numbers are quoted for reference purposes only and are not intended to suggest that our replacement parts are made by the original equipment manufacturer.
Product images are for illustrative purposes only and may not always be an exact representation of the product.

0.040" U/S means this connecting rod bearing set is 0.040" undersize. It is designed for a crankshaft that has been reground to suit 0.040" undersize con rod bearings. 0.040" (also known as fourty thou) means thhat this particular crankshaft has a crank pin diameter of 65.66mm / 2.585".