3.1129G
Polyurethene Transmission Mount.
Stands up well to contaminants that often destroy rubber and have been engineered to give longer-lasting performance.
For 2001, 2002, 2003 2004, 2005, 2006, 2007, 2008, 2009, 2010 GM 6.6L Duramax LB7 LLY LBZ LMM

Heavy duty polyurethane transmission mount. Hyper-Flex replacement polyurethane components stand up well to contaminants that often destroy rubber and have been engineered to give longer-lasting performance and not compress permanently

• Unique Safety Interlock Design.
• Impervious To Vehicle Oils And Chemicals
• Strong Enough Too Handle High Performance