Review on National Oil Seals 710685 Axle Shaft Seal: Superior Performance and Reliability by Ellington Gardner

Own a 2008 F350 Lariat. The reviews said they were perfect. Every dealership website says they match exactly. They left about 3/16 of the gap between the gasket and the axle seat. I thought I did something wrong or they weren't the right ones. Said shut up and put my axel back in. Jumped further. So I took my old oil seal and put it in with this one and nailed it in place. Actually it worked great. Along with an improved dust seal. Axel and Boot also have a small gap. But it's sealed, I promise. Both work great. It took a few hits to get the axle out and in on the pass side. The driver's side slipped out easily and came in. Wire brush axle and steering knuckle before replacement. And oil everything.