National Oil Seal 710687 Axle Output Shaft Seal

The National 710687 is a premium axle output shaft seal designed to deliver superior protection and long service life in demanding automotive applications. Manufactured by National, one of the most trusted names in sealing solutions with over 75 years of industry experience, this seal provides reliable performance for front differential and transfer case output shaft applications.

Key Features:

• Features exclusive National Dynamic Edge technology with integral sinusoidal wave design that produces a dynamic pumping action to move contaminants away from the seal
• High resistance to oxidation and ozone with low swell in hydrocarbon fluids
• Compatible with most oils and EP lubricants at higher operating temperatures
• Operating temperature range: -20°F to 300°F (-29°C to 149°C)
• Premium material construction engineered to meet OE specifications
• Prevents lubricant leakage while blocking dirt, moisture, and other harmful contaminants

This seal is engineered for maximum protection from environmental contaminants under even the most adverse conditions. National's proven design ensures proper sealing performance to prevent future leaks and protect critical wheel-end components. Cross-reference numbers include NS710687 and SS4815.