InfiniteRule Gen-Y Gooseneck Coupler Hitch Lock Review Video

I reached out to Lippert and as of right now they have not tested or approved the Gen-Y Hitch Shock Absorbing 5th Wheel-Gooseneck Pin Box - Lippert 1621/1621 HD - 21K - 3.5K TW #325-GH-8045 as a replacement for the 1621. However, this does not mean…

The Gen-Y fifth wheel to gooseneck adapter part #GY36FR will not void the warranty of the trailer that you install it on. The types of adapters that do void the warranty are the ones that attach to the king pin like the #CAB-C5G.

In this case not being able to access the bottom is the issue. There is a rubber cap that when removed will allow you to turn the release mechanism manually. You could open up the bottom cover you mentioned that has the two holes in it to gain access…

The Dometic RV toilets like the part #DOM29FR that you referenced use the standard 1/2 inch thread size for the supply line like most toilets do.

The tongue of the trailer needs to be above the bed rails so that the trailer can turn correctly when making turns and going over bumps to clear the truck. I will attach a photo to help explain the clearances needed for your trailer.

The physical difference in terms of appearance between various well-known gooseneck coupler manufacturers is hard to spot because they all are fairly similar. The biggest difference comes with the width of the coupler flange. The best way to…

The large round washer included with the #BLTL-51 measures 2 inches in diameter, the inner diameter is 13/16 of an inch and the washer is .139 thick. I'll provide a photo showing these dimensions.

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.

Yes, this will work. The AMPLock Trailer Coupler Lock for Atwood Gooseneck and Flat Nose Couplers #AMP49FR is for Atwood Goosenecks, which it looks like you have. Using the pictures you provided it looks similar to the Atwood gooseneck coupler that I…

I have a solution but I do not have a locking pin that is long enough. Instead the preferred method for locking your coupler to the trailer as well as preventing anyone hooking up to it without permission is the Blaylock EZ Lock Gooseneck Coupler…

Thanks for the pictures and the additional information! I just spoke with my rep at Lippert and your 2021 337RLS Grand Design Reflection 5th Wheel has a 1621 Pin box. You will want the Reese Goose Box 5th-Wheel-to-Gooseneck Air Ride Coupler Adapter…

Yes, the EZ Lock Gooseneck Coupler Lock Combo #BLTL-53-40D2 that you referenced comes with two locks and would work well on your 20k Bulldog Coupler. One lock secures the coupler opening and the other secures the inner tube of the trailer to the…