{"product_id":"fag-ss3391-wheel-seal-rear","title":"FAG SS3391 Wheel Seal - Rear","description":"\u003ch2\u003eFAG SS3391 Wheel Seal Overview\u003c\/h2\u003e\u003cp\u003eThe FAG SS3391 wheel seal is built for wheel-end service where contamination control and grease retention matter. It uses a nitrile sealing material with a metal, spring, inner shell design to help protect bearing components from dirt, dust, and moisture.\u003c\/p\u003e\u003cp\u003eFor wheel seal replacement on applications such as Ford F-150 and Chevrolet Silverado, the SS3391 is sized to match demanding wheel-end specifications and support reliable sealing performance.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003ePart number: SS3391\u003c\/li\u003e\n\u003cli\u003eWheel seal design for driveline and axle service\u003c\/li\u003e\n\u003cli\u003eSeal type: metal, spring, inner shell\u003c\/li\u003e\n\u003cli\u003eSealing material: nitrile\u003c\/li\u003e\n\u003cli\u003eBore diameter: 4.876 in. (123.85 mm)\u003c\/li\u003e\n\u003cli\u003eSeal outside diameter: 4.881 in. (123.977 mm)\u003c\/li\u003e\n\u003cli\u003eSeal width: 3.625 in. (92.075 mm)\u003c\/li\u003e\n\u003cli\u003eEngineered to help retain grease and block contamination at the wheel end\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eFAG SS3391 is a wheel seal designed for the wheel end of axle assemblies where precise dimensions and sealing integrity are critical. The nitrile sealing element is paired with a metal spring and inner shell construction to maintain contact and help keep grease in place while limiting the entry of road debris and moisture. This makes the SS3391 a practical choice for wheel seal replacement on Ford F-150 and Chevrolet Silverado service jobs where correct bore, outside diameter, and width are essential. This part number, SS3391, is built to meet vehicle manufacturer specifications through FAG’s supplier-controlled design and material standards.\u003c\/p\u003e\u003cp\u003eThis part cross-references Gates 36314 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Helps Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eGrease loss at the wheel end\u003c\/li\u003e\n\u003cli\u003eContamination from dirt, dust, and moisture\u003c\/li\u003e\n\u003cli\u003ePremature bearing wear caused by seal failure\u003c\/li\u003e\n\u003cli\u003eLeakage around the axle hub sealing area\u003c\/li\u003e\n\u003cli\u003eNoise or roughness related to compromised wheel-end lubrication\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify bore diameter, seal outside diameter, and seal width against the original seal before installation. Clean the hub and axle sealing surfaces thoroughly, and inspect the bearing and spindle area for wear or scoring before pressing in the new seal. Proper seating is important for wheel seal replacement on Ford F-150 and Chevrolet Silverado applications, and the SS3391 should be installed only after confirming the application-specific dimensions and position requirements.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eFAG designs wheel seals to meet vehicle manufacturer specifications and works with suppliers to maintain its quality standards. The SS3391 is engineered for demanding wheel-end service where consistent sealing performance is required.\u003c\/p\u003e","brand":"FAG","offers":[{"title":"Default Title","offer_id":52958178607285,"sku":"GRDM-SS3391","price":43.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/FG_SS3391_Fro.jpg?v=1786429674","url":"https:\/\/www.partcatalog.com\/products\/fag-ss3391-wheel-seal-rear","provider":"PartCatalog","version":"1.0","type":"link"}