Description: 100% Brand New and High Quality Utilizing advanced materials provides longer, reliable service life Performance improvement modification parts to enhance the speed Inlet tube diameter: 1/4inch; Outlet tube diameter: 1/4inch; Mounting c-c distance: 72mm (about 2-11/16") Fits for FL250 FL350 replaces DF44-211D Package Includes: 1 Piece Fuel Pump Note: Make sure your fuel tank is clear of debris before installing your new fuel pump. Please check the size measurement and the picture carefully before making payment. Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm)