OIL PUMP DRIVE GEAR 18 TOOTH 19 SPLINE LIFAN 120 138 140 150CC (LF15211)
 
OIL_PUMP_DRIVE GEAR_18_TOOTH   120CC_TO_150CC (LF15211)
 
BE SURE TO MAKE SURE YOUR BAD GEAR HAD 18 TEETH OR THIS WON'T WORK