Crankshaft main bearing set for IH 152, 196 4cyl engine and 266, 304, 345, 392 V8 engine.Sold as a set. Choose proper size when ordering.Replaces IH part numbers 151840R93, 151847R92, 151842R93, 151849R92, 151843R93, 151850R92, 151844R93 or 151851R92.