{"product_id":"national-99177-differential-pinion-repair-sleeve","title":"National 99177 Differential Pinion Repair Sleeve","description":"\u003ch2\u003eNational Differential Pinion Repair Sleeve Overview\u003c\/h2\u003e\u003cp\u003eThe National 99177 Differential Pinion Repair Sleeve is engineered for precision fitment and durability. Designed to restore proper shaft dimensions, this stainless steel repair sleeve is compatible with a wide range of vehicles including Acura, BMW, Ford, and Toyota models.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFlanged outside diameter: 2.087 inches (53.010 mm)\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 0.812 inches (20.620 mm)\u003c\/li\u003e\n\u003cli\u003eOverall width: 0.669 inches (16.990 mm)\u003c\/li\u003e\n\u003cli\u003eFits shaft sizes between 1.769 and 1.775 inches (44.930 - 45.090 mm)\u003c\/li\u003e\n\u003cli\u003eConstructed from corrosion-resistant stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePrecision Engineering for Reliable Driveline Repair\u003c\/h2\u003e\u003cp\u003eThe National 99177 repair sleeve is crafted from stainless steel to provide long-lasting resistance against wear and corrosion. Its flanged outside diameter of 2.087 inches ensures a secure fit within the differential assembly, while the installation depth of 0.812 inches allows for proper seating on the pinion shaft. With an overall width of 0.669 inches, this sleeve is designed to fit shafts sized between 1.769 and 1.775 inches, making it suitable for various driveline applications.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicle Makes and Models\u003c\/h2\u003e\u003cp\u003eThis differential pinion repair sleeve is compatible with numerous makes and models, including but not limited to Acura, BMW 3 Series (e.g., 323i, 328i), Ford Explorer, Toyota 4Runner, and Volkswagen Golf. The part number 99177 ensures precise replacement for vehicles requiring a shaft repair sleeve within the specified dimensions.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Repair Solutions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores worn or damaged pinion shaft surfaces\u003c\/li\u003e\n\u003cli\u003ePrevents further differential wear by providing a smooth bearing surface\u003c\/li\u003e\n\u003cli\u003eCorrects shaft diameter to factory specifications\u003c\/li\u003e\n\u003cli\u003eEliminates pinion shaft play and vibration\u003c\/li\u003e\n\u003cli\u003eExtends the service life of differential components\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eProper installation of the National 99177 repair sleeve requires careful measurement of the pinion shaft to ensure compatibility within the 1.769 to 1.775 inch range. The sleeve should be pressed onto the shaft to the specified installation depth of 0.812 inches for optimal fit. Use appropriate tools to avoid damaging the sleeve or shaft during installation. It is recommended to inspect the differential assembly for additional wear or damage before completing the repair.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eManufactured by National, a trusted name in driveline components, the 99177 repair sleeve meets industry standards for material quality and dimensional accuracy. Constructed from stainless steel, it offers corrosion resistance and durability. While specific warranty details are not provided, National products typically adhere to rigorous quality control processes to ensure reliable performance in automotive repair applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448272289973,"sku":"BCZK-99177","price":39.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_99177_Ang_7188b799-9158-4cab-98e7-e8789e021a90.jpg?v=1774890848","url":"https:\/\/www.partcatalog.com\/products\/national-99177-differential-pinion-repair-sleeve","provider":"PartCatalog","version":"1.0","type":"link"}