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The Dexter Trailer Hub and Drum Assembly for Heavy-Duty 15K Axles #DX78QR will have an inner diameter of 12-1/4" and an outer diameter of 14" (this is the widest point of the entire set up). This drum will also have an internal depth of…

In order to haul your gooseneck trailer with a fleet of semi-tractors you will need to make your own adapter harness which will then make for a plug and play connection but they don't make anything pre-assembled for this out of the box to my…

The only solution we are going to be able to provide is for you to cut off your Euro style connector that you have on your 2000 Land Rover Discovery II and install a 6-way that matches your trailer. You would need a 6-way like the part #PK11608 and…

I spoke with Buyers Products, and they actually don't sell the block part of the Buyers Products Air Chamber And Plunger Kit For PH50/PH55 Series #337PH50ACMK separately. The block is part of #337PH50ACMK, so if you needed a replacement,…

It sounds like you're needing to combine a standard 7-Way lead, like the Hopkins 7-Way RV Style Connector with Molded Cable #HM20041, with a 7-Way round pin connector like the Pollak #PK11700. You will be able to connect the open end of the…

If you have the mounting area on the back of your semi, my recommendation is the Buyers Products Air Chamber And Plunger Kit For PH50/PH55 Series, part #337PH50ACMK. This plunger will use your trucks air brake system. I have included a product…

Either way is correct. It depends on if you want to keep the semi-style 7-Way (if you need to tow that type of trailer) or if you will never be towing a semi-trailer. If you need to keep the 7-Way semi active on the truck, then you would need to make…

Yes, there is only one type of 7-way blade connector. I am attaching a help article about wiring that may be of interest to you.

We do offer the Trailer Connector Adapter, #HM47425, which converts a 7-pole round connector to a 7-pole flat connector. This adapter works for tow vehicles with combined taillight wiring, meaning that the turn signals and brake lights run on the…

On a 7 pin round which is the common connection on a semi trailer, the clearance/marker lights are at the 10 o clock position when you look at the trailer wiring connection. When looking at the connector on the back of the truck, that will put the…

The easiest place to access it is the harness feeding the taillight assembly. If possible, locate the wire feeding the reverse light bulb, and you can tap into it there, using a length of wire like #DW02414-1 (sold by the foot) long enough to reach…

For wiring trailer brake assemblies we always recommend going with 10 gauge wire like part #10-1-1 which we sell by the foot. Even if the leads on the magnets are a smaller gauge it's best to go heavier for the wiring that goes from the trailer…