P/N - 3090277. ASSEMBLIES WHERE 3090277 IS USED. Removed from a 11 IQ 550 Shift.Piston in good condition. 2010 550 IQ SHIFT/ES/INTL (S10PB5BSA/BSL/BEA) - Engine, Piston & Crankshaft. 2011 550 IQ LXT/INTL (S11PT5BSL/BEL) - Engine, Piston & Crankshaft.