{"product_id":"national-100712v-differential-pinion-seal","title":"National 100712V Differential Pinion Seal - Front Outer or Rear Outer","description":"\u003ch2\u003eNational Differential Pinion Seal 100712V Overview\u003c\/h2\u003e\u003cp\u003eThe National 100712V differential pinion seal is engineered to provide reliable sealing performance for a range of heavy-duty and light trucks. Designed with precision dimensions and durable fluoro-elastomer material, this oil seal helps maintain proper lubrication and prevents leaks in driveline systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 1.874 inches (47.6 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 3.163 inches (80.34 mm)\u003c\/li\u003e\n\u003cli\u003eFlanged outside diameter: 3.504 inches (89 mm)\u003c\/li\u003e\n\u003cli\u003eThickness: 0.500 inches (12.7 mm)\u003c\/li\u003e\n\u003cli\u003eOverall width with side lip: 0.551 inches (14 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Fluoro-elastomer for enhanced chemical and temperature resistance\u003c\/li\u003e\n\u003cli\u003ePart type: Differential pinion oil seal\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Specifications\u003c\/h2\u003e\u003cp\u003eThe National 100712V differential pinion seal features a 1.874-inch inside diameter designed to fit shafts with a 47.6 mm diameter, ensuring a secure and precise fit. The outside diameter measures 3.163 inches, with a flanged outside diameter of 3.504 inches to accommodate housing bore sizes around 3.159 inches (80.24 mm). The seal thickness of 0.500 inches (12.7 mm) and an overall width including the side lip of 0.551 inches (14 mm) provide a robust sealing surface to prevent oil leakage under demanding operating conditions. Constructed from fluoro-elastomer, this seal offers resistance to heat, oil, and other automotive fluids, making it suitable for use in various driveline applications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis differential pinion seal is compatible with a wide range of vehicles, including Chevrolet Silverado 1500, 2500, and 3500 series, GMC Sierra 1500 and 2500, Ford F-250 and F-350 Super Duty models, Dodge Ram 2500 and 3500 vans, Jeep Grand Cherokee and TJ, INFINITI QX56, Suzuki Equator, and Chevrolet Suburban 2500 and Tahoe. The part number 100712V ensures proper fitment for these models, providing a reliable seal for the differential pinion shaft.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the National 100712V Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents differential oil leaks that can cause driveline damage\u003c\/li\u003e\n\u003cli\u003eReduces contamination ingress into the differential housing\u003c\/li\u003e\n\u003cli\u003eMaintains proper lubrication for differential gears and bearings\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly repairs due to seal failure or wear\u003c\/li\u003e\n\u003cli\u003eEnsures consistent performance under heavy-duty and off-road conditions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 100712V differential pinion seal, ensure the shaft and housing bore are clean and free of debris. Use appropriate tools to press the seal evenly into the housing bore without damaging the sealing lip. Verify the seal orientation matches the original part, with the flanged side facing outward. Lubricate the seal lip lightly with gear oil before installation to reduce initial wear. Proper installation will help maintain the seal’s integrity and extend service life.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the 100712V differential pinion seal to meet industry standards for durability and performance. The fluoro-elastomer material is selected for its resistance to heat, oil, and chemical exposure, ensuring long-lasting service in demanding automotive environments. This part is backed by National’s quality control processes, providing confidence in fitment and function for compatible Chevrolet, Ford, Dodge, GMC, INFINITI, Jeep, and Suzuki models.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448277500085,"sku":"BCZK-100712V","price":23.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_100712V_Fro.jpg?v=1774734603","url":"https:\/\/www.partcatalog.com\/products\/national-100712v-differential-pinion-seal","provider":"PartCatalog","version":"1.0","type":"link"}