{"product_id":"national-hm89411-differential-pinion-race","title":"National HM89411 Differential Pinion Race - Rear Outer","description":"\u003ch2\u003eOverview of National HM89411 Differential Pinion Race\u003c\/h2\u003e\u003cp\u003eThe National HM89411 differential pinion race is engineered for reliable driveline performance in select Ford and Lincoln vehicles. Designed as a taper bearing cup, this component ensures precise fitment and durability for models such as the Ford F-150, Expedition, and Lincoln Navigator.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCompatible with Ford and Lincoln models including F-150, E-150 Econoline, Expedition, Mustang, and Navigator\u003c\/li\u003e\n\u003cli\u003ePart number HM89411 for accurate identification and replacement\u003c\/li\u003e\n\u003cli\u003eCup bore diameter of 3.0000 inches (76.2 mm) for precise seating\u003c\/li\u003e\n\u003cli\u003eCup length measures 0.9063 inches (23.02 mm) ensuring proper bearing support\u003c\/li\u003e\n\u003cli\u003eCup radius of 0.0310 inches (0.787 mm) designed for optimal bearing contact\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThis National differential pinion race features a taper bearing cup design, critical for maintaining the correct preload and alignment of the pinion bearing within the differential assembly. The 3.0000 inch (76.2 mm) cup bore diameter matches OEM specifications for a secure fit. With a cup length of 0.9063 inches (23.02 mm), it provides adequate surface area to support bearing loads. The cup radius of 0.0310 inches (0.787 mm) is engineered to complement the bearing geometry, reducing wear and extending service life.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis part is compatible with a range of Ford and Lincoln vehicles, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord F-150, F-150 Heritage, F-250, F-250 Super Duty, F-350, F-350 Super Duty\u003c\/li\u003e\n\u003cli\u003eFord E-150, E-150 Club Wagon, E-150 Econoline, E-150 Econoline Club Wagon\u003c\/li\u003e\n\u003cli\u003eFord Excursion, Expedition, Mark LT, Transit-150, Transit-250, Transit-350, Transit-350 HD\u003c\/li\u003e\n\u003cli\u003eLincoln Blackwood, Navigator, Mustang\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by the HM89411 Differential Pinion Race\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEliminates excessive play or looseness in the differential pinion bearing\u003c\/li\u003e\n\u003cli\u003ePrevents premature bearing wear due to improper fit or damage\u003c\/li\u003e\n\u003cli\u003eRestores proper bearing preload and alignment for smooth driveline operation\u003c\/li\u003e\n\u003cli\u003eReduces noise and vibration caused by worn or damaged pinion races\u003c\/li\u003e\n\u003cli\u003eSupports overall differential longevity and performance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the differential housing is clean and free of debris before installation\u003c\/li\u003e\n\u003cli\u003eUse appropriate tools to press the pinion race evenly into the bore to avoid damage\u003c\/li\u003e\n\u003cli\u003eVerify the cup bore and length dimensions match OEM specifications for your vehicle\u003c\/li\u003e\n\u003cli\u003eCheck bearing condition and replace if necessary during installation\u003c\/li\u003e\n\u003cli\u003eFollow vehicle-specific torque and preload procedures for the pinion bearing assembly\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eNational parts are manufactured to meet or exceed OEM standards for fit and function. The HM89411 differential pinion race undergoes rigorous quality control to ensure durability and performance in demanding driveline applications. Warranty coverage details should be confirmed with the original equipment manufacturer or authorized distributor.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43450615595189,"sku":"BCZK-HM89411","price":31.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_HM89411_Ang.jpg?v=1774734845","url":"https:\/\/www.partcatalog.com\/products\/national-hm89411-differential-pinion-race","provider":"PartCatalog","version":"1.0","type":"link"}