{"product_id":"timken-312518-manual-transmission-shift-shaft-seal","title":"Timken 312518 Manual Transmission Shift Shaft Seal","description":"\u003ch2\u003eReliable Manual Transmission Shift Shaft Seal for Buick and Chevrolet\u003c\/h2\u003e\u003cp\u003eThe Timken 312518 manual transmission shift shaft seal is engineered to provide durable sealing performance for select Buick, Chevrolet, GMC, and Pontiac models. Designed with precision dimensions and high-quality S-nitrile material, this seal helps maintain transmission integrity and prevent fluid leaks.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eConstructed from durable S-nitrile material for resistance to heat and wear\u003c\/li\u003e\n\u003cli\u003eOutside diameter measures 1.006 inches (25.55 mm) ensuring a precise fit\u003c\/li\u003e\n\u003cli\u003eShaft diameter of 0.750 inches (19.05 mm) for accurate sealing around the shift shaft\u003c\/li\u003e\n\u003cli\u003eHousing bore dimension of 1.000 inches (25.40 mm) for proper installation\u003c\/li\u003e\n\u003cli\u003eSeal width of 0.126 inches (3.20 mm) designed for optimal sealing performance\u003c\/li\u003e\n\u003cli\u003eSeal type 31, compatible with manual transmission shift shafts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Compatibility\u003c\/h2\u003e\u003cp\u003eThe Timken 312518 manual transmission shift shaft seal is specifically designed for use in manual transmissions of various Buick, Chevrolet, GMC, and Pontiac vehicles. Compatible models include Buick Skyhawk and Sunbird, Chevrolet Monza, GMC G20, G30, P20, P30, P2500, and P3500, as well as Pontiac G20 and G30. The seal’s S-nitrile construction offers excellent resistance to transmission fluids and temperature variations, ensuring long-lasting performance. Precise measurements such as the 1.006 inch outside diameter and 0.750 inch shaft diameter guarantee a secure fit that prevents leaks and contamination.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents manual transmission fluid leaks around the shift shaft\u003c\/li\u003e\n\u003cli\u003eReduces risk of contamination entering the transmission system\u003c\/li\u003e\n\u003cli\u003eMaintains proper lubrication within the transmission housing\u003c\/li\u003e\n\u003cli\u003eHelps avoid premature wear of transmission components due to fluid loss\u003c\/li\u003e\n\u003cli\u003eEnsures smooth shifting performance by maintaining seal integrity\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Timken 312518 shift shaft seal, ensure the transmission housing bore is clean and free of debris. Carefully align the seal with the shaft and housing bore to avoid damage during installation. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal type 31 matches the original equipment specifications for your vehicle model. Proper installation will help maintain the seal’s effectiveness and extend transmission life.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eTimken manufactures the 312518 manual transmission shift shaft seal to meet stringent quality standards. The use of S-nitrile material and precise dimensional tolerances ensures reliable sealing performance under normal operating conditions. While specific warranty details may vary, Timken products typically come with a limited warranty against defects in material and workmanship, providing confidence in the product’s durability and function.\u003c\/p\u003e","brand":"Timken","offers":[{"title":"Default Title","offer_id":45121317241013,"sku":"BCPZ-312518","price":17.29,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TM_312518_Ang.jpg?v=1775099709","url":"https:\/\/www.partcatalog.com\/products\/timken-312518-manual-transmission-shift-shaft-seal","provider":"PartCatalog","version":"1.0","type":"link"}