{"product_id":"national-710491-drive-axle-shaft-seal","title":"National 710491 Drive Axle Shaft Seal - Front Inner","description":"\u003ch2\u003eReliable Drive Axle Shaft Seal for Chevrolet and GMC Vehicles\u003c\/h2\u003e\u003cp\u003eThe National 710491 drive axle shaft seal is engineered to provide effective sealing for driveline components in select Chevrolet, GMC, Isuzu, and Oldsmobile models. Designed with durable polyacrylate material and a bi-directional lip design, this oil seal helps maintain optimal axle performance and prevent leaks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from high-quality polyacrylate for durability and resistance to wear\u003c\/li\u003e\n\u003cli\u003eBi-directional helix lip design ensures effective sealing under varying rotational directions\u003c\/li\u003e\n\u003cli\u003eInside diameter options of 1.575 inch (40.000 mm) and shaft diameter compatibility of 1.560 inch (39.600 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter measures 2.724 inch (69.200 mm) with a housing bore of 2.717 inch (69.000 mm)\u003c\/li\u003e\n\u003cli\u003eThickness and width dimensions of 0.531 inch (13.500 mm) and 0.610 inch (15.500 mm) respectively for precise fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThis National 710491 drive axle shaft seal is part of the 710400 series, designed specifically for driveline and axle sealing applications. Its polyacrylate construction offers resistance to heat and contaminants, while the bi-directional lip design provides reliable sealing performance in both rotational directions. The seal’s precise dimensions ensure compatibility with shafts measuring approximately 1.56 inches and housings around 2.72 inches in diameter, making it suitable for a range of vehicles.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis drive axle shaft seal is compatible with various Chevrolet, GMC, Isuzu, and Oldsmobile models, including Chevrolet Astro, Blazer, S10, Trailblazer, GMC Envoy series, Safari, Savana 1500\/2500, and Oldsmobile Bravada. It is designed to maintain axle integrity by preventing oil leaks and contamination in these driveline systems.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks from the drive axle shaft\u003c\/li\u003e\n\u003cli\u003eProtects axle bearings and components from dirt and debris\u003c\/li\u003e\n\u003cli\u003eMaintains proper lubrication within the axle assembly\u003c\/li\u003e\n\u003cli\u003eReduces risk of driveline damage due to seal failure\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly repairs related to axle shaft wear\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 710491 drive axle shaft 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 bi-directional lip design for optimal performance. Lubricate the seal lip lightly with compatible axle oil before installation to reduce initial wear.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the 710491 seal to meet industry standards for driveline sealing components. The polyacrylate material and design features provide reliable service life under normal operating conditions. While specific warranty details may vary, National typically offers coverage against manufacturing defects to ensure customer confidence in product quality.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448348344501,"sku":"BCZK-710491","price":20.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710491_Fro.jpg?v=1774734753","url":"https:\/\/www.partcatalog.com\/products\/national-710491-drive-axle-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}