{"product_id":"national-99170-differential-pinion-repair-sleeve","title":"National 99170 Differential Pinion Repair Sleeve - Front Outer or Rear Outer","description":"\u003ch2\u003eNational 99170 Differential Pinion Repair Sleeve Overview\u003c\/h2\u003e\u003cp\u003eThe National 99170 Differential Pinion Repair Sleeve is engineered for precise fitment and durability in driveline applications. Designed specifically for select Buick, Chevrolet, GMC, Oldsmobile, and Pontiac models, this stainless steel repair sleeve ensures reliable restoration of pinion shaft surfaces.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFlanged outside diameter: 2.063 inches (52.4 mm)\u003c\/li\u003e\n\u003cli\u003eInstallation depth: 0.813 inches (20.65 mm)\u003c\/li\u003e\n\u003cli\u003eOverall width: 0.500 inches (12.7 mm)\u003c\/li\u003e\n\u003cli\u003eFits shaft sizes between 1.736 and 1.742 inches (44.09 - 44.25 mm)\u003c\/li\u003e\n\u003cli\u003eWidth on shaft: 0.375 inches (9.53 mm)\u003c\/li\u003e\n\u003cli\u003eConstructed from corrosion-resistant stainless steel\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003ePrecision Engineering and Material Quality\u003c\/h2\u003e\u003cp\u003eThis repair sleeve is manufactured from stainless steel to provide long-lasting resistance against wear and corrosion in differential pinion applications. The flanged outside diameter of 2.063 inches ensures a secure fit within the differential housing, while the installation depth of 0.813 inches allows for proper seating on the pinion shaft. With an overall width of 0.5 inches, the sleeve covers the necessary shaft area to restore surface integrity. The sleeve is designed to fit pinion shafts ranging from 1.736 to 1.742 inches in diameter, making it compatible with a range of driveline components found in classic and modern vehicles.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicle Applications\u003c\/h2\u003e\u003cp\u003eThis National 99170 repair sleeve is compatible with a variety of GM vehicles, including Buick models like the LeSabre and Riviera, Chevrolet trucks such as the C10 and C1500 Suburban, GMC pickups including the K10 and K1500, as well as Oldsmobile and Pontiac models like the Cutlass Supreme, Firebird, and GTO. It is suitable for use in differential pinion repairs on vehicles including the Chevrolet Camaro, Corvette, and Impala, ensuring proper fitment and function.\u003c\/p\u003e\u003ch2\u003eCommon Repair Uses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestoring worn or damaged pinion shaft surfaces\u003c\/li\u003e\n\u003cli\u003eCorrecting pinion shaft fitment issues in differential assemblies\u003c\/li\u003e\n\u003cli\u003ePreventing further wear and extending differential component life\u003c\/li\u003e\n\u003cli\u003eAddressing noise or vibration caused by pinion shaft wear\u003c\/li\u003e\n\u003cli\u003eFacilitating accurate gear alignment in driveline repairs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the pinion shaft diameter falls within the specified range of 1.736 to 1.742 inches before installation. Clean the shaft thoroughly to remove any debris or corrosion. The sleeve should be pressed onto the shaft to the specified installation depth of 0.813 inches for optimal fit. Use appropriate tools to avoid damaging the sleeve or shaft during installation. Verify proper seating and alignment before reassembling the differential.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the 99170 Differential Pinion Repair Sleeve to meet industry standards for durability and precision. Constructed from stainless steel, this sleeve offers corrosion resistance and long service life. While specific warranty details are not provided, National products typically adhere to strict quality control processes to ensure reliable performance in automotive driveline repairs.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448271601845,"sku":"BCZK-99170","price":35.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_99170_Ang.jpg?v=1774734594","url":"https:\/\/www.partcatalog.com\/products\/national-99170-differential-pinion-repair-sleeve","provider":"PartCatalog","version":"1.0","type":"link"}