Brand New Electronic Throttle Body Assembly Allows Replacement of a Damaged or Failed Throttle Body Includes:1 Throttle Body Assembly; Bore Diameter: 3.82 in; w/TPS Sensor Compatible With 2006-2011 Buick Lucerne (V8 281 4.6L) Compatible With 2006-2011 Cadillac DTS (V8 281 4.6L) Compatible With 2007-2009 Cadillac SRX (V8 281 4.6L) Compatible With 2007-2010 Cadillac STS (V8 281 4.6L) Compatible With 2007-2009 Cadillac XLR (V8 281 4.6L) See Compatibility Chart To Verify Your Specific Vehicle Year, Make, & Model Replaces 12580700, 12602800, 12615495