There is a difference when it comes to drivetrain components.
181 inches thick;Made in the USA;Premium oil seal for the best protection against nagging leaks and damaging contamination;California Residents: WARNING Dana Spicer Dana 50/60 Spindle Seal - 50491 Its all done to ensure the products you purchase for your vehicle meet the same standards we deliver to OE manufacturers around the world.750 inches shaft diameter;4.