National Wheel Seal 710568 for 2001–2010 Chevrolet Silverado 2500 HD — spring-loaded multi-lip

This wheel seal is built by National, a long-established supplier of sealing components with decades of industry experience. The 710568 is designed to match OEM-style performance for late-model Chevrolet Silverado 2500 HD and related heavy-duty models, giving a reliable barrier against lubricant loss and contaminant entry. It combines a spring-loaded lip design with materials chosen to resist common automotive fluids and temperature variation encountered in service.

What vehicles and years does this seal fit?

The 710568 is intended for heavy-duty Chevrolet and some GMC applications across the early-2000s to 2010s era. Fitment lists include Silverado 2500 HD models and multiple Express van and HD chassis applications. Always verify vehicle details before purchase to ensure correct application.

• Common fit: 2001–2010 Chevrolet Silverado 2500 HD (check trim and axle type)
• Also used on select Chevrolet Express 2500/3500 and Express 4500/Chassis models
• Confirm with exact year, make, model, engine and axle codes

How does the seal handle heat and fluids under heavy use?

The seal's compound and construction are selected to withstand high under-axle temperatures and exposure to lubricants. Rated across a broad temperature band, it resists softening and maintains lip tension where many generic seals fail. It also minimizes swelling when in contact with hydrocarbon-based fluids.

• Temperature capability: approximately -20°F to 300°F (-29°C to 149°C)
• Designed for protection against extreme-pressure (EP) lubricants
• Low swell properties in hydrocarbon fluids for long-term sealing

What is the design and how does it improve sealing performance?

The National 710568 uses a spring-loaded, multi-lip geometry that maintains consistent contact pressure at the axle interface. The coil spring behind the primary lip helps the seal compensate for shaft runout and wear, while secondary lips block dirt and moisture. That combination supports leak prevention and extends service intervals compared with single-lip designs.

• Spring-loaded primary lip keeps consistent axial pressure
• Multi-lip arrangement provides staged contamination defense
• Durable elastomeric compound matched to automotive fluids

How should I confirm this part will fit my truck?

Before buying, cross-check the part number against the vehicle's specifications and any online fitment tools. Many retailers offer a vehicle-compatibility checker — enter year, make, model, engine and axle to see confirmed fit notes. If compatibility notes appear, read them carefully for trim or axle exceptions.

• Use the seller’s fitment checker and enter full vehicle details
• Compare OEM part numbers when available to validate match
• Contact seller with axle or trim codes if fitment is unclear

Who is this for: The National 710568 wheel seal is aimed at mechanics, fleet supervisors, and do-it-yourself owners working on Chevrolet Silverado 2500 HD and related heavy-duty models who need an OEM-style axle seal replacement. It’s suited for repairs where durability against heat, EP lubricants, and road contamination is required, and for anyone who prioritizes a proven, spring-loaded multi-lip sealing solution when rebuilding or maintaining rear axles.