The LB7 PowerFlo lift pump is the latest OEM replacement performance lift pump from the diesel experts at Fleece Performance. Direct OEM In Tank Replacement The PowerFlo Lift Pump retains the factory fuel lines and installs in less than half the time of other high flow lift pumps. OEM Quality New sending unit electronics and fuel level float will get your fuel gauge working correctly again Seamless Integration The active fill bucket eliminates the need for tank sumps, draw straws, additional air filtration, and the tank issues typically encountered when seeking a higher flow lift pump to meet your engine s need. Aftermarket Capable Want the benefits of the in tank pump but need to run your own fuel lines or aftermarket filters The pump outlet and return is threaded to accept a 8 O ring fitting 3 4 in 16 thread. Replaces GM OE Part AC Delco 89060639 APPLICATION NOTES For use on pickup style trucks only for cab and chassis verify your pump P N to the cross reference table.