All 3500 to 4200# UFP axles use a 1.68" grease/oil seal size. All UFP axles use a sheet metal "bottle cap" cover over palin Axle nut (not a castle nut) and the cotter pin goes through the bottle cap nut cover (not the nut)
Description
All 3500 to 4200# UFP axles use a 1.68" grease/oil seal size. All UFP axles use a sheet metal "bottle cap" cover over palin Axle nut (not a castle nut) and the cotter pin goes through the bottle cap nut cover (not the nut)