Auto Service World
News   December 5, 2013   by Auto Service World

Innovative National Unitized Axle Shaft Seal Permits Faster, Easier Installation On Ford Super Duty 4×4 Trucks

An new one-piece front axle shaft seal that permits faster, easier installation and provides superior sealing characteristics on Ford Super Duty 4×4 trucks has been introduced by Federal-Mogul’s National Oil Seals brand. The new, patent-pending unitized seal (No. 710825) is available immediately through National Oil Seals distributors and jobbers.

The new National seal – engineered for Ford F250, F350, F450 and F550 4×4 trucks equipped with Spicer 50 or 60 Monobeam front axles – features a sophisticated, one-piece design that helps provide proper axial alignment during installation to ensure trouble-free performance and longer life. The new design does not require a snap-ring and can be installed by hand.

“Our innovative new unitized National seal is ready to install right out of the box without tools and eliminates the misalignment concerns commonly associated with conventional oil seals for these applications,” said Raymond King, director of business development, sealing, Federal-Mogul Vehicle Components segment.

Key features of this new seal include: 

·       Advanced labrynth path for superior exclusion of potentially damaging contaminants

·       Internal thrust pad ensures proper axial alignment following installation

·       Annular ribs on seal O.D. provide superior retention within bore

·       Shur-Lock I.D. ribs secure seal against the shaft under all operating conditions

·       Shipped complete with O-ring for a complete installation

For additional information, please contact your National Oil Seals supplier or Federal-Mogul representative. To identify the correct National seal for any application, use the convenient electronic catalog.