This is a high performance product not necessary for normal operation. Full 5/8″ I.D. provides over 3x increase in flow area compared to stock at less than 3/8″. Fits into modified OEM sending unit assy. Includes short piece of 5/8″ hose to reach tank bulkhead. LB7 Duramax requires Bulkhead fitting kit (sold separately to exit tank.
Note: 2009 LMM tank sender assy has changed. The install of this pickup will require customization.