{"product_id":"national-14276-differential-pinion-race","title":"National 14276 Differential Pinion Race","description":"\u003ch2\u003eNational Differential Pinion Race 14276 Overview\u003c\/h2\u003e\u003cp\u003eThe National Differential Pinion Race 14276 is engineered for precise fitment and reliable performance in a variety of vehicles including Ford Bronco, Chevrolet Camaro, and Jeep Cherokee. This taper bearing cup is designed to meet exact specifications, ensuring smooth driveline operation and durability.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCup Bore Diameter: 2.7170 inches (69.0120 mm)\u003c\/li\u003e\n\u003cli\u003eCup Length: 0.6250 inches (15.8750 mm)\u003c\/li\u003e\n\u003cli\u003eCup Radius: 0.0460 inches (1.1680 mm)\u003c\/li\u003e\n\u003cli\u003ePart Type: Taper bearing cup for differential pinion\u003c\/li\u003e\n\u003cli\u003eCompatible with multiple makes and models including Aston Martin 190E, Cadillac CTS, Dodge Challenger, and Mercedes-Benz 190E\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications and Design Details\u003c\/h2\u003e\u003cp\u003eThe National 14276 differential pinion race features a precisely machined cup bore of 2.7170 inches (69.0120 mm) that ensures a secure fit on the pinion shaft. The cup length of 0.6250 inches (15.8750 mm) provides adequate surface area for bearing support, while the cup radius of 0.0460 inches (1.1680 mm) is designed to accommodate the taper bearing geometry. This part is critical for maintaining proper alignment and load distribution within the differential assembly, contributing to consistent driveline performance.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis differential pinion race is compatible with a range of vehicles, including but not limited to:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFord Bronco, F-100, F-250, F-350\u003c\/li\u003e\n\u003cli\u003eChevrolet Camaro, Blazer, K10 Suburban, K20 Suburban\u003c\/li\u003e\n\u003cli\u003eJeep Cherokee, CJ5, CJ7, Wagoneer\u003c\/li\u003e\n\u003cli\u003eDodge Challenger, Viper\u003c\/li\u003e\n\u003cli\u003eCadillac ATS, CTS\u003c\/li\u003e\n\u003cli\u003eAston Martin 190E, Mercedes-Benz 190E\u003c\/li\u003e\n\u003cli\u003eGMC Jimmy, Pontiac G8, SS, Escort, Zagato\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCommon Issues Addressed by National 14276\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWear or damage to the existing differential pinion race causing noise or vibration\u003c\/li\u003e\n\u003cli\u003eImproper bearing fit leading to premature bearing failure\u003c\/li\u003e\n\u003cli\u003eExcessive play in the differential pinion assembly\u003c\/li\u003e\n\u003cli\u003eLeaking or damaged bearing surfaces affecting differential performance\u003c\/li\u003e\n\u003cli\u003eReplacement during differential rebuilds or upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eEnsure the differential housing and pinion shaft are clean and free of debris before installation. Use proper tools to press the National 14276 pinion race into place without damaging the cup bore or bearing surfaces. Verify correct seating depth and alignment to maintain optimal bearing preload and differential function. It is recommended to inspect related components such as bearings and seals during installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eNational manufactures the 14276 differential pinion race to meet OEM specifications, ensuring consistent quality and durability. This part undergoes rigorous quality control to maintain dimensional accuracy and material integrity. While specific warranty details may vary, National typically offers coverage against manufacturing defects to support long-term reliability in driveline applications.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":43448252006581,"sku":"BCZK-14276","price":18.23,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_14276_Ang_17d037e0-015f-4023-8fb2-f0dcf1bdb752.jpg?v=1774734567","url":"https:\/\/www.partcatalog.com\/products\/national-14276-differential-pinion-race","provider":"PartCatalog","version":"1.0","type":"link"}