Fleece Performance FPE-SF-GM-0104 SureFlo Performance Sending Unit for 2001-2004 LB7 Duramax Fleece Performance CORE-175 OEM stock length

OEM stock length

Replaces AC Delco 12085491

and we were able to produce power gains of up to 8 HP and 12 lb

Remove the final restriction to power

Fleece Performance FPE-SF-GM-0104 SureFlo Performance Sending Unit for 2001-2004 LB7 Duramax Fleece Performance CORE-175 OEM stock lengthProblem: 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 1 4 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