Shift Solenoid Transmission Metal Repair Kit Downshift Switch for GM 4T65E.Compatible with GM vehicles equipped with the 4T65E transmission, model year 2003 and newer.Includes five solenoids: two 1-2/3-4 shift solenoids, one EPC solenoid, one TCC lock-up solenoid, and one pressure switch.Fits Allure 2005–2008 (V6 3.6L, 3.8L), Century 2003–2005 (V6 3.1L), LaCrosse 2005–2009 (V6 3.6L, 3.8L; V8 5.3L), LeSabre 2003–2004 (V6 3.8L), Lucerne 2006–2011 (V6 3.8L, 3.9L), Park Avenue and Ultra 2003–2005 (V6 3.8L, 3.8L SC), Regal 2003–2004 (V6 3.8L, 3.8L SC), Rendezvous 2003–2007 (V6 3.4L, 3.5L, 3.6L), Terraza 2005–2007 (V6 3.5L, 3.9L), Impala 2003–2011 (V6 3.4L, 3.5L, 3.8L, 3.9L; V8 5.3L), 2006–2007 (V6 3.9L), Monte Carlo 2003–2007 (V6 3.4L, 3.5L, 3.8L, 3.9L; V8 5.3L), Uplander 2005–2008 (V6 3.5L, 3.9L), Venture Van and APV 2003–2005 (V6 3.4L), Silhouette 2003–2004 (V6 3.4L), Aztek 2003–2006 (V6 3.4L).Replaces part numbers 10478124, 19138850, 24219819, 24225825, 24216426, 74418E, 24212690, 24227792, 8683187, 84987A D, 84421G, 84442H, 84431H, 75418E, 84955, 84980, 33946A, MS-4T65E.Designed for direct replacement of.Installation requires matching the solenoid positions to the configuration.