Crankshaft Bearing / Stihl 9503 003 0351Pack Size:1Stihl 9503 003 0351, Stihl 9503 003 0359Stihl TS410 and TS420 Cutquik SawsID: .587 ", OD: 1.428 ", Height: .428 ", Ethanol: Compatible with greater than 10% ethanol fuel