Your seal thickness of .375 inch would be close enough to the thickness of the # GS-2125DL that you mentioned. As long as the other more important dimensions match up you are good. As far as picking out the correct grease cap the most reliable way to do this is based on the bore diameter of the hub where the grease cap installs. I'd recommend measuring that with a caliper like # PTW80157 to see what size you would need. You can let me know what size you have or you can check out the attached... view full answer...
Yes the Reese Electric 5th Wheel Landing Gear Set - 36" Lift - 8,000 lbs, # RP500708 will work for your application. It can be used with a trailer that weighs more than 8,000 lbs because it is only supporting a portion of total load, the tires, wheels, and axles are supporting most of the weight. The pin weight of a 5th wheel trailer is approximately 20% of the loaded trailer weight.
The measurement from inside of top weld stop to inside of bottom weld stop is15-1/2". The measurement... view full answer...