{"product_id":"fag-ss3857-differential-pinion-seal-rear","title":"FAG SS3857 Differential Pinion Seal - Rear","description":"\u003ch2\u003eReliable Differential Pinion Seal for Driveline Systems\u003c\/h2\u003e\u003cp\u003eThe FAG SS3857 differential pinion seal is engineered to provide durable sealing performance in driveline and axle applications. Designed with precision, this seal helps maintain optimal differential function by preventing fluid leaks and contamination.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSeal Type: Metal construction with spring, auxiliary lip, and inner shell for enhanced sealing\u003c\/li\u003e\n\u003cli\u003eSealing Material: Polyacrylate for resistance to heat and wear\u003c\/li\u003e\n\u003cli\u003eBore Diameter: 107.925 mm (4.249 inches) ensuring a precise fit\u003c\/li\u003e\n\u003cli\u003eSeal Outside Diameter: 108.052 mm (4.254 inches) for secure installation\u003c\/li\u003e\n\u003cli\u003eSeal Width: 11.125 mm (2.75 inches) providing effective sealing depth\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Details and Construction\u003c\/h2\u003e\u003cp\u003eThe FAG SS3857 differential pinion seal features a metal design incorporating a spring and auxiliary lip, supported by an inner shell to maintain consistent pressure against the shaft. The polyacrylate sealing material offers excellent resistance to automotive fluids and high temperatures, making it suitable for demanding driveline environments. With a bore diameter of approximately 108 mm and a width of 11.125 mm, this seal fits tightly to prevent leaks and protect the differential assembly from dirt and debris.\u003c\/p\u003e\u003ch2\u003eApplications and Problem Solving\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePrevents differential oil leaks that can lead to drivetrain damage\u003c\/li\u003e\n\u003cli\u003eProtects against contamination from dirt and moisture entering the differential\u003c\/li\u003e\n\u003cli\u003eMaintains proper lubrication levels within the differential housing\u003c\/li\u003e\n\u003cli\u003eReduces wear on pinion bearings by ensuring a clean operating environment\u003c\/li\u003e\n\u003cli\u003eHelps avoid costly repairs related to seal failure in vehicles such as Ford F-150, Chevrolet Silverado, and Dodge Ram\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the FAG SS3857 differential pinion seal, ensure the bore and shaft surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lips or metal components. Verify the seal orientation matches the original part to maintain proper sealing function. It is recommended to inspect the pinion shaft and bearing surfaces for wear before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eFAG manufactures the SS3857 differential pinion seal to meet strict quality standards for durability and performance in automotive driveline applications. The use of high-grade polyacrylate sealing material and robust metal construction ensures long service life. While specific warranty details are not provided, FAG products typically adhere to industry standards for reliability and fitment.\u003c\/p\u003e","brand":"FAG","offers":[{"title":"Default Title","offer_id":52245343895733,"sku":"GRDM-SS3857","price":30.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FG_SS3857_Fro.jpg?v=1775686491","url":"https:\/\/www.partcatalog.com\/products\/fag-ss3857-differential-pinion-seal-rear","provider":"PartCatalog","version":"1.0","type":"link"}