{"product_id":"national-m804010-differential-pinion-race","title":"National M804010 Differential Pinion Race - Front or Rear Inner","description":"\u003ch2\u003eNational M804010 Differential Pinion Race Overview\u003c\/h2\u003e\u003cp\u003eThe National M804010 differential pinion race is a precision-engineered taper bearing cup designed for driveline and axle applications. This part is compatible with a wide range of vehicles including Chevrolet Silverado 1500, Dodge Ram 2500, and GMC Sierra 3500, ensuring reliable performance in demanding conditions.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCup Bore Diameter: 3.5000 inches (88.9 mm)\u003c\/li\u003e\n\u003cli\u003eCup Length: 0.7500 inches (19.05 mm)\u003c\/li\u003e\n\u003cli\u003eCup Radius: 0.1250 inches (3.175 mm)\u003c\/li\u003e\n\u003cli\u003ePart Type: Taper bearing cup\u003c\/li\u003e\n\u003cli\u003ePart Number: M804010\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Features\u003c\/h2\u003e\u003cp\u003eThe National M804010 differential pinion race features a cup bore of 3.5 inches (88.9 mm), providing a precise fit for compatible pinion bearings. The cup length of 0.75 inches (19.05 mm) and a cup radius of 0.125 inches (3.175 mm) are designed to meet OEM specifications for durability and performance. This taper bearing cup is engineered to maintain proper bearing alignment and reduce wear in the differential assembly.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis differential pinion race is compatible with various makes and models, including Buick, Cadillac, Chevrolet, Chrysler, Dodge, GMC, Mitsubishi, Oldsmobile, Plymouth, Pontiac, and Ram. Notable compatible models include Chevrolet Silverado 1500, GMC Sierra 2500 HD, Dodge Ram 3500, Pontiac GTO, and Buick LeSabre. The part number M804010 is specifically designed to fit these vehicles’ driveline and axle assemblies, ensuring proper fit and function.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by the M804010 Differential Pinion Race\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eExcessive bearing wear causing noise or vibration in the differential\u003c\/li\u003e\n\u003cli\u003eImproper bearing alignment leading to premature failure\u003c\/li\u003e\n\u003cli\u003eDamage to the pinion bearing seat from corrosion or impact\u003c\/li\u003e\n\u003cli\u003eLeaking or degraded bearing surfaces affecting driveline performance\u003c\/li\u003e\n\u003cli\u003eReplacement during differential rebuilds or axle repairs\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National M804010 differential pinion race, ensure the bearing cup bore and pinion shaft are clean and free of debris. Use proper tools to press the cup evenly into the differential housing to avoid distortion. Verify the cup length and radius match OEM specifications to maintain correct bearing preload and alignment. It is recommended to inspect related components such as bearings and seals during installation for optimal performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the M804010 differential pinion race to meet or exceed OEM standards for durability and fitment. This part undergoes rigorous quality control to ensure consistent performance in demanding automotive applications. While specific warranty details may vary, National typically offers coverage against manufacturing defects to provide confidence in the product’s reliability.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43450631651509,"sku":"BCZK-M804010","price":30.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_M804010_Ang.jpg?v=1774734861","url":"https:\/\/www.partcatalog.com\/products\/national-m804010-differential-pinion-race","provider":"PartCatalog","version":"1.0","type":"link"}