Part Number 3144474R1 - A New Washer For The Fuel Filter Head On An IH D-155, D-179, D-239, D-268, D-310, D-358 Engines, IH 275, 375 Self Propelled Windrower, CaseIH 4000, 5000 Self-Propelled Windrower, IH 278, 385, 454, 474, 484, 485, 553, 574, 584, 585, 644, 654, 674, 684, 685, 724, 744, 784, 785, 824, 844, 2400A, 2500A, Hydro 84 Tractors, IH Industrial 258, 268 Tractors, IH 3400A Loader Tractors.