{"product_id":"national-710520-engine-crankshaft-seal","title":"National 710520 Engine Crankshaft Seal - Rear","description":"\u003ch2\u003eOverview of National 710520 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 710520 engine crankshaft seal is designed to provide reliable sealing performance for various Chevrolet and Suzuki models. Engineered with a bi-directional lip design and fluoro-elastomer material, this oil seal ensures effective protection against oil leaks and contamination.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 3.858 inches (98.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 4.578 inches (116.280 mm)\u003c\/li\u003e\n\u003cli\u003eThickness\/width: 0.394 inches (10.000 mm)\u003c\/li\u003e\n\u003cli\u003eBi-directional helix lip design for enhanced sealing\u003c\/li\u003e\n\u003cli\u003eConstructed from durable fluoro-elastomer material\u003c\/li\u003e\n\u003cli\u003eCompatible with Chevrolet and Suzuki vehicles including Esteem, Grand Vitara, Sidekick, SX4, SX4 Crossover, Tracker, Vitara, and XL-7\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 710520 crankshaft seal is part of the 710500 series, engineered to maintain engine integrity by preventing oil leakage around the crankshaft. Its fluoro-elastomer construction offers resistance to heat, oil, and chemicals, making it suitable for demanding engine environments. The seal features a bi-directional helix lip design that provides effective sealing in both rotational directions, reducing the risk of oil seepage and contamination ingress. With precise dimensions including a 3.858-inch inside diameter and a 4.578-inch outside diameter, this seal fits housing bores measuring approximately 4.567 inches (116.000 mm), ensuring a secure and accurate fit.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks from the crankshaft area in Chevrolet and Suzuki engines\u003c\/li\u003e\n\u003cli\u003eReduces contamination entry that can cause premature engine wear\u003c\/li\u003e\n\u003cli\u003eMaintains engine oil pressure by sealing critical rotating components\u003c\/li\u003e\n\u003cli\u003eAddresses common issues such as oil seepage and crankshaft seal failure\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly engine repairs related to oil leakage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the crankshaft and housing bore are clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eUse proper tools to avoid damaging the seal during installation\u003c\/li\u003e\n\u003cli\u003eVerify the seal orientation matches the bi-directional lip design for optimal performance\u003c\/li\u003e\n\u003cli\u003eCheck for correct fitment with the specified inside and outside diameters\u003c\/li\u003e\n\u003cli\u003eLubricate the seal lip lightly with clean engine oil prior to installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational's 710520 crankshaft seal is manufactured to meet industry standards for durability and performance. The fluoro-elastomer material and precision engineering contribute to long 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 reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448350310581,"sku":"BCZK-710520","price":31.46,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710520_Fro.jpg?v=1774734757","url":"https:\/\/www.partcatalog.com\/products\/national-710520-engine-crankshaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}