The video above provides you a detailed tutorial on how to repair / replace the front struts on a 2003, 2004, 2005, 2006, 2007 Cadillac CTS.
Ready to install complete strut assemblies for a 2003-2007 Cadillac CTS front left & right pair. You can grab a front quick complete struts and coil spring assembly over on Amazon for around $263 plus shipping and handling.
Manufacturer Part Number: 2-AA703-AA704-001
ASIN: B06XGDG87F
Exclusions: REPLACES FE1 SUSPENSION