{"product_id":"national-18520-automatic-transmission-pinion-race","title":"National 18520 Automatic Transmission Pinion Race","description":"\u003ch2\u003eOverview of National 18520 Automatic Transmission Pinion Race\u003c\/h2\u003e\u003cp\u003eThe National 18520 automatic transmission pinion race is engineered to meet the precise specifications required for select Aston Martin, Jaguar, Jeep, and Rover models. Designed as a taper bearing cup, this component ensures reliable performance within the transmission assembly.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCup bore diameter: 2.8750 inches (73.0250 mm)\u003c\/li\u003e\n\u003cli\u003eCup length: 0.5000 inches (12.7000 mm)\u003c\/li\u003e\n\u003cli\u003eCup radius: 0.0620 inches (1.5750 mm)\u003c\/li\u003e\n\u003cli\u003ePart type: Taper bearing cup for automatic transmissions\u003c\/li\u003e\n\u003cli\u003eCompatible with various models including Aston Martin DB7, Jaguar XJ6, and Jeep CJ5\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe National 18520 pinion race is a critical component in the transmission system, serving as the taper bearing cup that supports the pinion gear. Its precise dimensions, including a 2.8750 inch cup bore and a 0.5000 inch cup length, are designed to maintain proper bearing alignment and reduce wear. The 0.0620 inch cup radius further contributes to the smooth operation of the bearing assembly. This part is manufactured to fit specific automatic transmission systems found in select Aston Martin, Jaguar, Jeep, and Rover vehicles, ensuring compatibility and durability.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eRestores proper bearing fitment in automatic transmissions for models like the Jaguar XJ12 and Rover Vanden Plas\u003c\/li\u003e\n\u003cli\u003eAddresses issues related to bearing wear and misalignment in vehicles such as the Jeep CJ5\u003c\/li\u003e\n\u003cli\u003eHelps eliminate transmission noise caused by worn pinion races in Aston Martin DB7\u003c\/li\u003e\n\u003cli\u003eSupports smooth gear operation by maintaining correct bearing geometry\u003c\/li\u003e\n\u003cli\u003ePrevents premature transmission component failure due to improper bearing seating\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the National 18520 pinion race, ensure the transmission housing is clean and free of debris. Proper seating of the taper bearing cup is essential to avoid premature wear. Use appropriate tools to press the cup bore evenly into place without damaging the cup radius. Verify fitment compatibility with your specific vehicle model before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eNational manufactures the 18520 pinion race to meet industry standards for durability and precision. While no specific warranty information is provided, National parts are known for consistent quality and reliable fitment in compatible Aston Martin, Jaguar, Jeep, and Rover transmissions.\u003c\/p\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":51869014130869,"sku":"BCZK-18520","price":23.96,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NS_18520_Ang.jpg?v=1774734570","url":"https:\/\/www.partcatalog.com\/products\/national-18520-automatic-transmission-pinion-race","provider":"PartCatalog","version":"1.0","type":"link"}