NCA99180B Two (2) Fuel Sediment Bowl Gaskets Fits Ford 600 500 4000 4130 Clyde Pounds, David Higginbotham and Paul Stivitts @ Hot Springs Jazz. Two (2) New Aftermarket Replacement Valve Stem to Carb Gaskets Fits Ford New Holland Tractor Models: 2000 (<1964), 2031, 2110, 2111, 2120, 2131, 4000 (<1964), 4000SU(4140), 4030, 4031, 4040, 4110, 4110TR, 4120, 4121, 4130, 4131, 4140, 500 SERIES, 501, 541, 600, 600 SERIES, 601, 611, 620, 621, 630, 631, 640, 641, 650, 651, 660, 700 SERIES, 800 SERIES, 900 SERIES Specs: Inside Diameter 0. 389", Outside Diameter 0. 579", 0. 062" thick, Ordering Quantity: 2 Gaskets, 2 require per Tractor Replaces Part Number: NCA99180B