Carburetor for huayi 69731 Used on RV170 RV170-S Push Mower Engine for Predator 173cc 5.5HP Engine Compatible with PowerSmart DB2321SR 170cc Gas Self-Propelled Lawn Mower. Fits PowerSmart DB2321SR 21" 170cc Gas Self-Propelled Lawn Mower (RV170-S, RV170 models).
