The number you provided, "7753400" is a patent number…

The only way you could power interior dome lights on a trailer without it being connected to a tow vehicle would be to power the lights with a battery like a breakaway battery. How you choose to wire up the batteries will in the end be up to you,…

For your enclosed trailer application I have several suggestions for adding interior lighting that you can control directly via a switch. Since your current 4-pole trailer wiring does NOT include a 12V auxiliary power feed that could power inside…

The difference between the Class II and Class III hitches has to do with their Gross Trailer Weight (GTW), their Tongue Weight (TW), and their Hitch Receiver Size. Class II trailer hitch receivers have a 1-1/4 inch receiver and can be rated up to…

In order to match up the wheel studs for your Reliable 1206 hub, we'll need to know the full dimensions of the wheel stud…

The part you referenced 127194TB is a double-lip seal with an inner diameter of 1.274-inches and an outer diameter of 1.983-inches. The available seal nearest to those dimensions that we offer is part #RG06-010, which is a double-lip seal sold as a…

A TCM double-lip grease seal number 127194 has an inner diameter of 1.274-inches and an outer diameter of 1.983-inches according to my research. The available grease seal nearest to those dimensions that we offer is part #RG06-010, which is a…

The Buyers Products 45 Ton Pintle Hook #337PH45 does not have the 4 inch square bolt pattern but rather uses a different pattern. Vertically the holes are 3 inches on center. Horizontally the top row is 5-1/4 inches on center and the bottom is…

I am not totally sure which wires you are talking about, but I am assuming it's part of the bonded wire that runs up to the engine compartment? If so, the…

The Hayes Air Actuated Trailer Brake Controller - 1 to 4 Axles - Proportional #HA100400C mounts to the inside of your 2007 Nemar Essex at the dash just like other electric brake controllers will. It needs to be installed on the inside of the…

According to my research, AL-KO 8490 references an AL-KO hub for 3,500 lb axles with a 10 x 2-1/4" drum and a 5 on…

Assuming your Sprinter has the factory tow package with the 7-way at the rear bumper, in addition to the #RED24FR Redarc Tow-Pro Liberty Brake Controller,…