{"product_id":"national-wheel-seal-for-chevrolet-silverado-2500-hd-express-710568-spring-loaded-multi-lip-protection","title":"National Wheel Seal for Chevrolet Silverado 2500 HD \u0026 Express 710568 — Spring-loaded Multi-lip Protection","description":"\u003cp\u003e\u003cstrong\u003eNational 710568 is a spring-loaded, multi-lip wheel seal designed to replace worn seals on compatible Chevrolet heavy-duty models and protect axle assemblies from lubricant loss and contamination.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eBuilt by National, a sealing specialist with over 75 years in the industry, the 710568 wheel seal is engineered to meet OE-style fit and function for select Chevrolet Express and Silverado 2500\/3500 models. This seal combines a spring-loaded design with multiple sealing lips and materials selected to resist common automotive fluids, offering durable performance for axle and hub repairs.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles does this seal fit?\u003c\/h3\u003e\n\u003cp\u003eThe 710568 is intended for several Chevrolet heavy‑duty vans and trucks across model years. Always confirm fitment for your specific vehicle configuration before ordering to ensure correct installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits 2009–2018 Chevrolet Express 4500\u003c\/li\u003e\n  \u003cli\u003eFits 2007 Chevrolet Silverado 2500 HD Classic and 3500 Classic\u003c\/li\u003e\n  \u003cli\u003eFits various Chevrolet Express 2500\/3500 model years from 2001–2018\u003c\/li\u003e\n  \u003cli\u003eVerify year, make, model, engine and trim using the seller’s compatibility checker\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow is the seal constructed and what does that mean for reliability?\u003c\/h3\u003e\n\u003cp\u003eNational designed the 710568 as a spring‑loaded, multi‑lip seal to maintain consistent contact with the shaft and resist leakage under varying conditions. The multi‑lip architecture provides sequential barriers against contaminants while the spring keeps the primary lip pressed firmly against the shaft.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSpring-loaded design maintains lip tension over time\u003c\/li\u003e\n  \u003cli\u003eMulti-lip profile offers staged protection from dirt and fluid loss\u003c\/li\u003e\n  \u003cli\u003eMaterials selected for low swell in hydrocarbon fluids\u003c\/li\u003e\n  \u003cli\u003eProtection compatible with EP lubricants commonly used in axles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat temperature and fluid conditions can this seal handle?\u003c\/h3\u003e\n\u003cp\u003eThe 710568 is rated to operate across a broad temperature span and is formulated to resist degradation in contact with lubricants typical of axle assemblies. These properties help preserve sealing performance in everyday driving and heavier-duty tasks.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTemperature range: -20°F to 300°F (-29°C to 49°C) as specified by the manufacturer\u003c\/li\u003e\n  \u003cli\u003eLow swell when exposed to hydrocarbon-based fluids\u003c\/li\u003e\n  \u003cli\u003eDesigned to be compatible with extreme-pressure (EP) lubricants\u003c\/li\u003e\n  \u003cli\u003eIntended for routine and heavy-duty axle service environments\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do I be sure this part is the right choice for my repair?\u003c\/h3\u003e\n\u003cp\u003eBefore purchase, compare the part to the old seal and use the seller’s confirmed-fit tool to check vehicle compatibility. If the compatibility checker shows an information icon, review the notes to confirm any special fitment details.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCheck the vehicle year, make, model, engine and trim against compatibility notes\u003c\/li\u003e\n  \u003cli\u003eCompare physical dimensions and design to the worn seal you're replacing\u003c\/li\u003e\n  \u003cli\u003eReview any seller notes shown by the compatibility tool before buying\u003c\/li\u003e\n  \u003cli\u003eChoose seals from trusted brands like National for OE-style replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The National 710568 wheel seal is aimed at DIY mechanics, professional technicians, and fleet maintenance teams working on compatible Chevrolet Express and Silverado 2500\/3500 heavy-duty vehicles. It’s appropriate when repairing axle hubs or replacing worn seals where OE-style spring-loaded, multi-lip performance is required; confirm fitment for your exact vehicle before ordering.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is the National 710568 compatible with my Chevrolet Silverado 2500 HD?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Check the seller’s compatibility tool with your exact year, make, model, engine and trim; verify any notes shown by the tool before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can this seal withstand axle lubricants and heat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—the seal is designed for EP lubricants, low hydrocarbon swelling, and a manufacturer-specified temperature range of -20°F to 300°F.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"National","offers":[{"title":"Default Title","offer_id":48084383793310,"sku":"B0049K463E","price":29.87,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/national-710568-front-seal.jpg?v=1785852791","url":"https:\/\/northtrailauto.ca\/products\/national-wheel-seal-for-chevrolet-silverado-2500-hd-express-710568-spring-loaded-multi-lip-protection","provider":"North Trail Auto","version":"1.0","type":"link"}