Result: bearing buddy trailer bearings races seals caps

Hey Jon, It sounds like your trailer is already set up with electric drum brakes and you're seeing the break-away switch/battery, which is a requirement depending on the weight of the trailer. The trailer should have a 7-way connector to plug…

I have included a picture that shows the measurements needed for a spindle, bearings, seals, faces, and hubs. The spindle measurements are labeled A through F. A is the spindle shaft diameter B is where the grease seal sits C is where the inner…

I reached out to my contact at Lippert and based on the NV 248685 your 7000lb Lippert axle uses inner bearing #25580, outer bearing #14125A, and grease seal #GS-2250DL. Now this grease seal has a 2.250" I.D. which is the same as the seal you…

From the pictures you provided, you do indeed have a 5 on 5 bolt pattern. This isn't the most common bolt pattern though so if you were thinking about replacing the hubs as well, I do recommend swapping to the much more common 5 on 4 1/2 bolt…

For your trailer the drums you need are #8-201-5. They're designed to fit bearings #25580 and #LM67048 with the 2-1/4 inch seal #GS-2250DL. For brakes I recommend #AKEBRK-7-SA. Both the left and right sides are included. They are side specific so…

The trailer will have a plate or sticker on it that will list the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that will list the weight capacity. You can…

Currently Kodiak only manufacturers the 12" Hub-and-Rotor Assembly #KHR12D with a Dacromet coating and is not available in stainless steel. They do offer their Kodiak Disc Brake Kit #K2R526S which you will be able to use with a pair of their…

The Trailer Hub and Drum Assembly part #AKHD-545-35-K can indeed be used with bearing buddies. These hubs will have a 1.98" hub bore diameter. In order to be sure there are no issues you'll want to be sure your hub bore diameter matches…

Yes the 4,000-lb leaf spring is compatible with a 3,500-lb axle. There are a couple of important measurements. Spacing from eye to eye on the spring when unloaded with no weight on the axle. Inner eye diameter of the spring roll Spring width from…

In order to determine whether or not the Dexter Trailer Axle Beam with 4" Drop part #7685269 will be a good replacement for your Marine Master Boat Trailer Axle we would need to know the distance between the hub faces and spring centers on the…

In order to determine the torque rating for the lug nuts on your trailer you will need to know check out the chart I attached that shows all of the torque specs for all the trailer lugs available based on stud size, wheel material and wheel size.

The video review for the Optronics Thinline LED Trailer Tail Light #STL64RB that you mentioned is correct. The white wire is for ground, the black wire is for tail lights, and the red wire is for turn/brake signals.