A complete replacement oil pump assembly for 139QMB and 139QMA 4-stroke 50cc/80cc engines. This kit includes the pump body, 33-tooth nylon drive gear, O-rings, mounting bolts, spacer, and nut � everything needed for a full pump replacement. Compatible with all 139QMB-based engines used in Chinese-manufactured 50cc scooters sold in the US market. SKU: 151-43.
Fits 139QMB-based 50cc and 80cc engines. If your 50cc-80cc 4 stroke engine code contains "QM" or "FM", this part is likely compatible.
Fits 139QMB-powered 50cc scooters from the following high-volume US brands:
California Prop 65 Warning: www.p65warnings.ca.gov
