The correct replacement for a Demco Master Cylinder 05680-C is the Replacement Master Cylinder part #5650. I spoke with Demco to confirm this for you.

The correct replacement master cylinder kit we have for your Demco setup is the part #DM5918 which comes with the lock out replacement.

The Tekonsha OEM Vehicle Wiring Harness #22121 that you referenced includes all the wiring and parts necessary to install a fully functional 7-Way connector and trailer brake controller. The included brake controller harness is compatible with and…

The best way to test this out is by applying 12V power to the motor directly so you can see if it operates correctly outside of the control module (see attached). If everything works properly when…

The Furrion camera system we have is a closed system and would not be compatible with the in-dash display so you would need to purchase…

I agree it is the right time to upgrade to a Lithium charger/converter as not all are Lithium compatible. I recommend using the Progressive Dynamics Mighty Mini AC/DC Panel and Converter/Smart Charger - 60 Amp #PD4060K which is a replacement for…

Since your trailer has the bracket #FRCBRKT-BL that would mean your trailer has the Furrion pre-wiring which is very common for newer RVs. The part #FOS43TASF is a fit for this and would be a really easy install. This gives you a monitor with a 4.3…

I would be happy to help you. Based on the information you have given me I am going to give you the height of the Stromberg Carlson Electric Trailer Jack Item #SC63VR you referenced. This jack sits 21…

The pre-wiring of Furrion pre-wired RVs is basically just two wires as well as the Voyager harness like part #PSVCWVCMS130AP. One wire is the power wire which is the running light circuit and then the other is the ground so it really would just be…

If the light mounting surface on your older Prowler trailer is not flat enough to allow for use of caulk for sealing the rear of the RV Tail Light #30-92-001 then you might want to use a weather strip tape like #WS1412 which is 1/4-inch thick x…

To determine the size of the brake assemblies you need you have to measure the depth and width of the hub drum on the axle like what you see in the picture I attached. The most common size is 2-1/4 inch wide like the #T4071600-500 that you…

We do have a compatible grease seal for your 168255TC oil seal, however, we do not carry rubber coated seals in this size. The 168255TC oil seal was designed to work with oil bath hubs on a 3,500 lb axle. For the most part, axle manufacturers have…