Availability of a Replacement Castle Nut for Trailer Spindle  

I reached out to the manufacturer who told me the Spindle Nut for Axles with 7/8" - 14 Castle Nut #165931 height is 3/4 inch and wrench size is 1-1/4 inch. I've added a link to a video review for you to check out as well.

There is no specific torque rating when reinstalling the castle nut after packing the bearings. You want to run the nut down until there is no side to side play in the hub, and then back it off to the next notch in the castle nut so the retainer…

The #42 E-Z Lube Spindle w/ Flange #TRU37FR has a 1"-14 thread size. A replacement Trailer Spindle Nut #165686 is available if the treads are damaged on the castle nut.

I have been unable to locate a spindle that meets the exact specifications that you have on your current spindle. The #42 Spindle #TRU57FR will be the closest that I can find to matching your current spindle. It is 2.25" diameter, rated…

To remove a hub from an axle, you will need to first remove the grease cap on the end of the hub. This will expose the end of the spindle. Once at this point, you will need to see if you have an EZ-Lube spindle, like #TRU77FR, or a standard…

Although we don't have any way of knowing the spindle nut you need for your trailer, we do have something slightly larger than 3/4 inch diameter which may work, the 7/8 inch Spindle Nut #165931.

To verify if your hubs on your 6,000lb Dexter axles are going to fit the etrailer AxleTek 7,000LB Axle #e35GR you will need to verify what bearings and grease seals are used on your hubs. The new axles will use a #42 Spindle #TRU57FR, and this is the…

The Trailer Spindle Nut #165686 that you referenced does have a thread count of 14 threads per inch.

I pulled the TruRyde Spindle Nut, #165686, and took some measurements for you. This nut has an inner diameter of .93 inches and and outer diameter of 1.45 inches. This spindle nut is designed to fit all spindles that accept a 1 inch nut. I have…

The spindle nut on a trailer axle should not be difficult to remove, it only requires a very small amount of torque. It should for the most part just turn off by hand after the retainer is removed whether it's a clip or pin. We don't have a…

According to our installers you will tighten the trailer spindle nut until it stops by itself. In other words do not torque it down as hard as you can. It just has to be tight. A little play is to be expected. You do not want to torque it down too…

I believe you are referring to a castle nut like the TruRyde 1" #165686, which is what secures the hub to a trailer spindle. As long as the spindles on your trailer use a 1" diameter castle nut, this will work perfectly as a replacement.