2003 Cadillac CTS
All Submodels
All Engines
3.73R(Gt4), 3.42R(Gu6), 3.91R(Gw1), 2Nd Design, Can Use Seal Only With Casting #6457038590 On Housing Diff Drv Pinion Gear, For 1St Design Must Use Seal Kit 19179935.
2004 Cadillac CTS
Base
6 Cyl 3.6L
transmissionmfrcode : 5L40-E, 3.42R(Gu6), 2Nd Design, Can Use Seal Only With Casting #6457038590 On Housing Diff Drv Pinion Gear, For 1St Design Must Use Seal Kit 19179933., 3.73R(Gt4), 3.42R(Gu6), 3.91R(Gw1), 2Nd Design, Can Use Seal Only With Casting #6457038590 On Housing Diff Drv Pinion Gear, For 1St Design Must Use Seal Kit 19179935.
2004-2007 Cadillac CTS
V
All Engines
transmissionmfrcode : T56, Special Susp(Fe4), 2Nd Design, Can Use Seal Only With Casting #6457038590 On Housing Diff Drv Pinion Gear, For 1St Design Must Use Seal Kit 19179934.
2004-2009 Cadillac SRX
Base
All Engines
AWD, transmissionmfrcode : 5L50-E, 2Nd Design, Can Use Seal Only With Casting #6457038590 On Housing Diff Drv Pinion Gear, For 1St Design Must Use Seal Kit 19179935.
2005-2009 Cadillac STS
Base
All Engines
RWD, transmissionmfrcode : 5L50-E, 2Nd Design, Can Use Seal Only With Casting #6457038590 On Housing Diff Drv Pinion Gear, For 1St Design Must Use Seal Kit 19179933.