Throttle Body Assembly for Terrain for Allure LaCrosse 12616994 S20018 This throttle body assembly is designed for use with specific GM vehicle models including the Allure V6 3.0L 2010, LaCrosse V6 3.0L 2010, CTS V6 3.0L 2010–2012, CTS V6 3.6L 2008–2011, SRX V6 3.0L 2010–2011, SRX V6 3.6L 2007–2009, STS V6 3.6L 2008–2011, Camaro V6 3.6L 2010–2011, Equinox V6 3.0L 2010–2011, and Terrain V6 3.0L 2010–2011. Compatible OE numbers include 977-314, 67-3019, S20018, TB1044, 12604075, 12609009, 12616994, 12694878, and 12634371. Specifications: Bore Diameter: 72mm (2.84 inches) Main Port Inside Diameter: 2-13/16 inches Air Intake Port Maximum Diameter: 3-1/16 inches Throttle Plate Diameter: 2-13/16 inches Throttle Body Actuation Type: Electrical Fitment Type: Direct Replacement Material: Aluminum Mount Hole Quantity: 4 Connector Quantity: 1 Terminal Quantity: 6 Fuel System Type: Fuel Injection Connector Type: Standard electrical connector This is a compatible aftermarket component. Brand names are cited solely to show which devices it works with.