You are buying a brand new aftermarket cv joint replacement kit

For the rear of the front 4X4 driveshaft

Fits:
CTS 2008 - 2012
CTS 2014 - 2014 Cpe
CTS 2014 - 2014 SW
CTS 2013 - 2013
  STS 2005 - 2011

This cv joint kit fits the rear of the front driveshaft

OEM refs: 15212140, 15212141

Specifications: 

• Fixings
• Grease
• High speed rubber boot

Features: 

• Brand new complete replacement kit
•  
• No hassle returns