Transmissions | Clutches | Drivetrains, , Oil Wheel Seal 376590A, National Heavy Duty Parts > Oil Wheel Seals, Oil Wheel Seal Abrasion Resistant Nitrile With Spring Loaded Main Lip For Positive Sealing With Reduced Shaft Interference Unitized Construction Provides Greater Structural Integrity, Easier Installation With Main Lip Protection Unique Rubber I.D. And O.D. Includes Patented Sure-Lock Ribs That Prevent Shaft Leaks And Bore Contamination Dynamic Edge Designes Consists of an integral Patent-Pending Sinusodial Wave That Generates A Dynamic Pumping Action To Move Environmental Contaminents Away From The Seal Temperature Range: -40°F to 225°F, -40°C to 107°C 4.250" Shaft 6.008" Housing Bore 6.050" O.D 0.680" Wide Red 37 Series Made Of Nitrile Quality Made Product If you should need additional Truck Parts and Accessories, please don't hesitate to call our toll-free number 1-888-888-7990, Vehicles & Parts > Vehicle Parts & Accessories > Motor Vehicle Parts, 1 lbs , MPN: 376590A, in stock