Part P021008580 (PISTON). · PB-403H S/N: 09001001 - 09999999-->Engine, Short Block -- SB1077. · PB-403H S/N: 10001001 - 10999999-->Engine, Short Block -- SB1077. · PB-403T S/N: 09001001 - 09999999-->Engine, Short Block -- SB1077.
eBay