Seller notes

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 enginesApproximately 25° lower engagement temperatureEngages at approximately 200°F engine coolant temperatureHelps increase AC performance due to lower set pointFits: 2001-2010 6.6l Duramax LB7-LMM engines in Chevy/GMC 2500/3500 applications 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...

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