{"product_id":"national-710555-engine-crankshaft-seal","title":"National 710555 Engine Crankshaft Seal - Front","description":"\u003ch2\u003eOverview of National 710555 Engine Crankshaft Seal\u003c\/h2\u003e\u003cp\u003eThe National 710555 engine crankshaft seal is designed to provide reliable sealing performance for select Cadillac, Oldsmobile, and Pontiac models. Engineered with precision, this oil seal helps maintain engine integrity by preventing oil leaks around the crankshaft.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eInside diameter: 2.047 inches (52.000 mm)\u003c\/li\u003e\n\u003cli\u003eOutside diameter: 2.630 inches (66.800 mm)\u003c\/li\u003e\n\u003cli\u003eThickness: 0.354 inches (9.000 mm)\u003c\/li\u003e\n\u003cli\u003eOverall width with side lip: 0.457 inches (11.600 mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: PTFE for enhanced durability and chemical resistance\u003c\/li\u003e\n\u003cli\u003eHelix type: Clockwise-spiral lip design for effective sealing\u003c\/li\u003e\n\u003cli\u003eHousing bore diameter: 2.622 inches (66.600 mm)\u003c\/li\u003e\n\u003cli\u003eCompatible with shaft diameter of 2.047 inches (52.000 mm)\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Design Features\u003c\/h2\u003e\u003cp\u003eThe National 710555 crankshaft seal is constructed from PTFE, a material known for its excellent wear resistance and ability to withstand high temperatures and chemical exposure. The seal features a clockwise-spiral lip design that enhances oil retention and reduces the risk of leakage under varying engine conditions. With precise dimensions including a 2.630-inch outside diameter and a 0.354-inch thickness, this seal fits securely within the housing bore of 2.622 inches, ensuring a tight and reliable fit on the crankshaft with a 2.047-inch diameter.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis engine crankshaft seal is compatible with a range of Cadillac, Oldsmobile, and Pontiac vehicles, including models such as the Cadillac DeVille, Eldorado, Seville, SRX, STS, and XLR, as well as the Oldsmobile Aurora and Pontiac Bonneville and Intrigue. The part number 710555 is specifically designed to meet the sealing requirements of these vehicles, making it a suitable replacement for maintaining engine performance and preventing oil leaks.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the National 710555 Seal\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents oil leaks around the crankshaft area\u003c\/li\u003e\n\u003cli\u003eReduces contamination of engine oil by external debris\u003c\/li\u003e\n\u003cli\u003eMaintains proper oil pressure within the engine\u003c\/li\u003e\n\u003cli\u003eMinimizes wear on the crankshaft and surrounding components\u003c\/li\u003e\n\u003cli\u003eHelps avoid engine damage caused by oil loss\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 710555 crankshaft seal, ensure the housing bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into the bore without damaging the sealing lip. Verify the seal orientation matches the clockwise-spiral lip design for optimal performance. It is recommended to inspect the crankshaft for wear or damage before installation to ensure a proper seal.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the 710555 crankshaft seal to meet industry standards for durability and performance. The use of PTFE material and precise engineering supports long service life under normal operating conditions. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects, providing confidence in the product's reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448351948981,"sku":"BCZK-710555","price":26.67,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_710555_Fro.jpg?v=1774734763","url":"https:\/\/www.partcatalog.com\/products\/national-710555-engine-crankshaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}