{"product_id":"national-7994s-wheel-seal","title":"National 7994S Wheel Seal - Front Inner","description":"\u003ch2\u003eOverview of National 7994S Wheel Seal for Ford Mustang and Mercury Villager\u003c\/h2\u003e\u003cp\u003eThe National 7994S wheel seal is engineered to provide reliable sealing performance for driveline and axle applications. Designed specifically for Ford Mustang and Mercury Villager models, this oil seal helps maintain proper lubrication and prevent contamination in wheel hubs.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.562 inches (39.670 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.066 inches (52.480 mm)\u003c\/li\u003e\n\u003cli\u003eHousing bore: 2.062 inches (52.370 mm)\u003c\/li\u003e\n\u003cli\u003eWidth: 0.200 inches (5.080 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: durable nitrile rubber\u003c\/li\u003e\n\u003cli\u003eSeries: 7000\u003c\/li\u003e\n\u003cli\u003eType: 44 oil seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description and Specifications\u003c\/h2\u003e\u003cp\u003eThe National 7994S wheel seal is constructed from nitrile, a material known for its resistance to oil, heat, and wear, making it suitable for demanding automotive environments. With an inside diameter of 1.562 inches and an outside diameter of 2.066 inches, this seal fits precisely within the housing bore of 2.062 inches, ensuring a tight and secure fit. The 0.200-inch width provides adequate sealing surface to prevent oil leakage and contamination ingress. This part belongs to National's 7000 series, which is designed for reliable sealing in driveline and axle assemblies. The Type 44 designation indicates a specific lip design optimized for oil retention and dust exclusion.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis wheel seal is compatible with select Ford and Mercury vehicles, specifically the Ford Mustang and Mercury Villager models. It is intended for use in wheel hubs and axle assemblies where maintaining oil integrity is critical for component longevity and performance.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks in wheel hubs\u003c\/li\u003e\n\u003cli\u003eProtects bearings from dirt and debris\u003c\/li\u003e\n\u003cli\u003eMaintains lubrication within axle assemblies\u003c\/li\u003e\n\u003cli\u003eReduces risk of premature wear on driveline components\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly repairs due to seal failure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 7994S wheel seal, ensure the sealing surface and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Lubricate the seal lip lightly with clean oil before installation to reduce initial wear. Verify the seal is seated flush and properly aligned to avoid leaks.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eNational wheel seals are manufactured to meet industry standards for durability and performance. The 7994S part number undergoes rigorous quality control to ensure consistent dimensions and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support long-term reliability in Ford Mustang and Mercury Villager applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448238637237,"sku":"BCZK-7994S","price":23.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_7994S_Fro_b748320e-fde9-4bd4-a2fc-93a498af0e28.jpg?v=1774734550","url":"https:\/\/www.partcatalog.com\/products\/national-7994s-wheel-seal","provider":"PartCatalog","version":"1.0","type":"link"}