Upgraded Fan Clutch for 2001-10 6.6l Duramax LB7/LLY/LBZ/LMM Chevy/GMC 2500/3500

Upgraded Fan Clutch for 2001-2010 6.6l Duramax LB7-LMM engines

• Approximately 25° lower engagement temperature
• Engages at approximately 200°F engine coolant temperature
• Helps increase AC performance due to lower set point

Fits: 2001-2010 6.6l Duramax LB7-LMM engines in Chevy/GMC 2500/3500 applications