Fleece Performance SureFlo Sending Unit For 2001-2004 Chevy/GMC 6.6L Duramax LB7 2008-2013-silverado-1500 making it a hassle-free upgrade

making it a hassle-free upgrade for your vehicle

Oversized Clutch

Build date can be found on vehicle information tag driver door jamb

25-25mm Socket Cap Bolt

Improves towing stability

Fleece Performance SureFlo Sending Unit For 2001-2004 Chevy/GMC 6.6L Duramax LB7 2008-2013-silverado-1500 making it a hassle-free upgradePROBLEM: If you are running an aftermarket pump that is mounted external of the fuel tank, you will need to install a draw straw or drill your fuel tank to accommodate a sump. Each of these has some pretty significant drawbacks including the tank issues that result in cavitation of the pump when you draw air into the fuel system. SOLUTION: SureFlo performance sending units are designed to work with aftermarket lift pumps and fits directly into your