Fuel Injection Pressure Pulsation Damper Part Number: 23207-46010 (also referenced as 2320746010) Compatible With: Sienna (1996–2010) including Base, CE, LE, XLE, Limited, Sport, Hybrid, and Hybrid Limited models with 2.0L L4, 3.0L V6, or 3.3L V6 engines Celica (1991–1993) GT and GTS models with 2.2L L4 engine RX350 (2007–2009) with 3.5L V6 engine RX400h (2006–2008) with 3.3L V6 engine RX330 (2004–2006) with 3.3L V6 engine RX300 (2000–2003) with 3.0L V6 engine ES330 (2004–2006) with 3.3L V6 engine ES300 (1992–2000, 2001–2003) with 3.0L V6 engine This part is designed to restore fuel system function by dampening pressure pulsations in the fuel rail.It mounts in the fuel delivery system and operates as a direct replacement for the unit.Each unit is tested to meet functional specifications prior to shipment.This is an aftermarket spare.Brand and model mentions do not imply manufacturer association.