Zenoah Crankcase G43L GSR40 $45.00 Quantity discounts available QuantityPrice Quantity: -+ SKU: DD501 ABOUT THIS PRODUCT:Zenoah Crankcase G43L GSR40AboutAboutCrankcase for Zenoah G43L (GSR40, GSR40-TS, and Go-Bike) engine. PMW part # 4705. Zenoah part # 4500-21101Crankcase only. Bearings and seals sold separately.