416919N is a National multi-purpose seal in an industrial size of 3.687 x 4.501 x 0.500. It is a genuine National part from Pro Gear and Transmission, and we are glad to help you match it to your application.FeaturesNational multi-purpose seal, part number 416919NIndustrial seal size 3.687 x 4.501 x 0.500Genuine National partTech SpecsSeal size: 3.687 x 4.501 x 0.500