Honda Original Equipment Piston - 13101-Z1D-900
This part fits;
EB4000X AT - EBSC 1000001-9999999 - PISTON / CONNECTING ROD
EB4000X AT1 - EBSC 1000001-1499999 - PISTON / CONNECTING ROD
EB4000X AT1/A - EBSC 1500001-9999999 - PISTON / CONNECTING ROD
EG4000CL AG - EBGC 1500001-9999999 - PISTON
EG4000CL AN - EBGC 1500001-9999999 - PISTON
EG4000CL AT - EBGC 1000001-9999999 - PISTON
EG4000CL AT1 - EBGC 1000001-1499999 - PISTON
EG4000CL AT1/A - EBGC 1500001-9999999 - PISTON
EM4000SX AT - EBRC 1000001-9999999 - PISTON / CONNECTING ROD
EM4000SX AT1 - EBRC 1000001-1499999 - PISTON / CONNECTING ROD
EM4000SX AT1/A - EBRC 1500001-9999999 - PISTON / CONNECTING ROD
FRC800K1 A - FAHJ 1100001-1299999 - CRANKSHAFT
FRC800K1 A1 - FAHJ 1300001-1309999 - CRANKSHAFT
FRC800K1 A1/A - FAHJ 1310001-9999999 - CRANKSHAFT
FRC800K1 AN - FAHJ 1310001-9999999 - CRANKSHAFT
HS928K1 TA - SAVJ 5000001-9999999 - PISTON / CONNECTING ROD
HS928K1 TAS - SAVJ 5000001-9999999 - PISTON / CONNECTING ROD
HS928K1 WA - SAVJ 5000001-9999999 - PISTON / CONNECTING ROD
HS928K1 WAS - SAVJ 5000001-9999999 - PISTON / CONNECTING ROD
HSS928A AT - SADA 1000001-1999999 - PISTON / CONNECTING ROD
HSS928A AT/A - SADA 2000001-9999999 - PISTON / CONNECTING ROD
HSS928A ATD - SADA 1000001-1999999 - PISTON / CONNECTING ROD
HSS928A ATD/A - SADA 2000001-9999999 - PISTON / CONNECTING ROD
HSS928A AW - SADA 1000001-1999999 - PISTON / CONNECTING ROD
HSS928A AW/A - SADA 2000001-9999999 - PISTON / CONNECTING ROD
HSS928A AWD - SADA 1000001-1999999 - PISTON / CONNECTING ROD
HSS928A AWD/A - SADA 2000001-9999999 - PISTON / CONNECTING ROD
WT30XK4 AC - WAWJ 1000001-1099999 - CRANKSHAFT
WT30XK4 AC/A - WAWJ 1100001-9999999 - CRANKSHAFT
This is an OEM Honda part.