Hi Kat, The rubber bumpers that we offer are all 96" in length but can come in different widths. Based on the dimensions you provided i your pictures the #D3-96 is going to be the best fit, but you will have to cut it down to size.

Currently the Curt Echo Trailer Brake Controller #C51180 will not work with Android Auto on your vehicle dash. So while you will be able to use it on your android phone it will not interfere with you using the OneControl app while connected to…

A 3/8" self tapping screw seems a bit large for the Horse Trailer Side Pads #HTP1260BK but I do recommend always using a washer like the 3/8" #01292006-020-01. This will help spread out the surface area which means…

For a 10 lb gas strut we only have the Taylor Made Marine Gas Strut for Boat Hatches #3691835-10 which is only 20" long. Seeing as though you'd prefer a 23" long strut, the best we can offer is the…

I suggest the Advent Air RV Air Conditioner w/ Air Distribution Box and Start Capacitor, #ACM135C. This is a 13,500 Btu ductless air conditioner that has a distribution box with built-in thermostat to control the fan and temperature and a start…

The bumper part #D3-96 that you referenced is our best option and could work for you but you will need to make some modifications. You would need to cut it down to the 84 inch length you need and would also need to drill new holes in it that line…

They are different in width. Aside from that and price everything else is the same. The Horse Trailer Side Pad item #HTP1260BK measures 60" long x 12" wide x 2" thick. The Horse Trailer Side Pad item…

The C-Channel for Enclosed Trailer #362213-955 has an opening of 1.027". I have included an image below with all the dimensions for this item.

It is imperative you check your local laws for lighting requirements in regards to your specific trailer, though I can tell you you no matter what you'll need stop lights, tail lights, turn signals and reflectors. There are other…

When replacing your horse trailer pads, be sure to pad all dividers and walls. The pads are constructed of a very durable vinyl sewn over 2" of foam onto rigid cardboard. They stand the test of time and hold up in all climates. There is…

Are the holes you are referring to threaded? If so then you could drill a 1/4" hole into one of our pads (see below) and then use a bolt to attach them to the wall. If the holes are not threaded then it may just be best to use a few…

Yes. You will have to use the Demco Hijacker Autoslide Capture Plates for Trailair Rota-Flex Pin Boxes #DM6171 on your 2021 Grand Design Reflection 337RLS. As far as which Curt Flexair works for your trailer, it depends on what pinbox you currently…