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Demco SBS Reinstall Kit for Stay-IN-Play DUO Supplemental Braking System

Demco SBS Reinstall Kit for Stay-IN-Play DUO Supplemental Braking System

Item # SM6270
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Demco SBS Reinstall Kit for Stay-IN-Play DUO Supplemental Braking System Second Vehicle Kit SM6270
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Kit allows you to remove your existing Stay-IN-Play DUO supplemental braking system (SM9599006) and reinstall into another tow vehicle. 1-636-306-4830 to order Demco accessories and parts part number SM6270 or order online at Free expert support on all Demco products. Guaranteed Lowest Price and Fastest Shipping for Demco SBS Reinstall Kit for Stay-IN-Play DUO Supplemental Braking System. Accessories and Parts reviews from real customers.
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Demco Accessories and Parts - SM6270

  • Tow Bar Braking Systems
  • Second Vehicle Kit
  • Demco

Kit allows you to remove your existing Stay-IN-Play DUO supplemental braking system (SM9599006) and reinstall into another tow vehicle.


  • Reinstall kit lets you remove your Demco SBS Stay-IN-Play DUO supplemental braking system from one tow vehicle and reinstall into another tow vehicle
    • Includes all installation components needed to transfer your system
    • For use with Stay-IN-Play DUO system SM99251 (9599006) - sold separately
  • Made in the USA

6270 Demco SBS - (Formerly SMI) Tow Vehicle Re-Install Kit for Stay-IN-Play DUO Supplemental Braking System

Video of Demco SBS Reinstall Kit for Stay-IN-Play DUO Supplemental Braking System

Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.

Video Transcript for Demco Stay-IN-Play DUO Supplemental Braking System Reinstall Kit Review

Hi there, flat towers. Today, we're going to be taking a look at Demco's Stay-IN-Play DUO Reinstallation Kit.This kit's going to come with the necessary wiring and fitting components we're going to need to get our main components from our old vehicle transferred over to our new vehicle. If you've recently purchased a new vehicle and you're planning on flat towing that behind your motor home, the good news is you don't need to purchase a complete new Stay-IN-Play DUO kit if you're not planning on flat towing your old vehicle anymore. Most of the large components that are significantly more expensive than our reinstall kit could be transferred over, so you can pay just a fraction of the cost to get a Stay-IN-Play DUO operating on your new vehicle.The high-dollar components from the Stay-IN-Play DUO kit are going to be your operating unit here. Your G-force controller can also be moved over, as well as your actuating cylinder attached to your brake pedal. Both of these components can easily be removed and transferred over to your new vehicle.

You'll just need the hoses and fittings and components to get them all reinstalled. Our reinstallation kit's going to come with those components, so we don't need to try to reuse this old hose and wire that we've already cut to length for our old vehicle. That's likely not going to fit because we're going to have to put things in different locations if you bought a completely different model.You'll get new 1/4" hard lines so you can make the connection between your old actuating cylinder over to the operating unit. You'll receive a new breakaway switch in your kit. I do want to mention the cable here.

This does not come included with it so you'll want to make sure you save your old breakaway switch cable. And a new LED indicator, because if you try to remove your old one, the adhesive that sticks it to your mirrors is likely not going to adhere to your new mirror, and the LED here is really not designed to be peeled off. It could potentially damage the LEDs. And you'll also receive new electrical connectors, ring terminals, and hardware to get all those other components connected.You do get new fittings for tapping into your vacuum line, but one of the things that doesn't come in your kit is the new vacuum line. Now, you can take off your vacuum line here and try to reuse it, but one of the things you'll want to keep in mind is that this vacuum line was likely cut to length for the vehicle it was in.

So, you may need more length of hose for your new vehicle, depending on where you've mounted everything, but you can get this at your local automotive store.Now, one of the things I do want to mention, if you are taking your vacuum line off your old vehicle, the vehicle likely will not run, or run very poorly, if you leave this disconnected, because that's a large vacuum leak. So, you want to cap off this T or run another fitting in here and clamp it together, or you could just replace this line altogether to ensure your old vehicle works properly.Now, even though you're only getting a fraction of the kit to be able to transfer these components over, the installation is going to be the same as a full install of the Stay-IN-Play DUO. So, I highly recommend you to use our fit guide and look up your new vehicle, because we'd likely have a video available here with full instructions on how to get the new setup installed on that vehicle.And that completes our look at Demco's Stay-IN-Play DUO Reinstallation Kit.

Customer Satisfaction Score:

Customer Reviews

Demco SBS Reinstall Kit for Stay-IN-Play DUO Supplemental Braking System - SM6270

Average Customer Rating:  4.4 out of 5 stars   (14 Customer Reviews)

Kit allows you to remove your existing Stay-IN-Play DUO supplemental braking system (SM9599006) and reinstall into another tow vehicle.


I did not include vacuum hose that is needed for assembly. No wire to complete job. I also did not need another breakaway switch. Best to forgo the kit and buy what you need to do the job.


Excellent product and customer service, the last kit was purchased close to 35 years ago when we first began flat towing. Was still working fine. The reason for purchasing the new reinstall kit was to set up my new Jeep Wrangler.


All the components were included making it a breeze to reinstall braking system in my Colorado pickup


After some confusion pertaining to delays in receiving the part(s) from the supplier, "etrailer " went the extra mile to make everything work out favorably. Thanks for great customer service.


fast and done right











See what our Experts say about this Demco Accessories and Parts

  • Why no Check Valve on 2014 Grand Cherokee Diesel For Demco SBS Reinstall Kit for Stay-IN-Play DUO
    It is likely you do not require the check valve on your 2014 Jeep Grand Cherokee diesel with the Demco SBS Reinstall Kit for Stay-IN-Play DUO Supplemental Braking System # SM6270 due to diesels often having hyrdoboost brakes and not vacuum assist brakes. You'll need to verify you have hydroboost, but that is very common on diesel vehicles.
    view full answer...
  • Roadmaster Brake Light Switch and Mounting Bracket For Stay-In-Play DUO on a 2020 Jeep Gladiator
    You are needing the Roadmaster Stop Light Switch Kit # RM-751497 to go with the Demco SBS Reinstall Kit for Stay-IN-Play DUO Supplemental Braking System # SM6270 for your 2020 Jeep Gladiator.
    view full answer...
  • Reinstallation Kit For Demco Stay-IN-Play Duo
    You're going to want the Demco SBS Reinstall Kit # SM6270 for the Demco Stay-IN-Play Duo # DM86VR, You can remove the main components to your 2020 Lincoln Nautilus, from your 2012 Jeep Wrangler, and purchase the reinstall kit and be ready to roll. The components you're going to need to transfer from your Jeep is the operating unit, GeForce controller, and the actuating cylinder that is attached to your brake pedal.
    view full answer...
  • Parts Needed to Flat Tow 2009 Honda Fit
    Since you have the SMI DUO # SM99251 currently all you need to install it in your 2009 Honda Fit is the part # SM6270 and you'd be set. For a base plate kit the Blue Ox part # BX2253 would be what you'd want with the Avail tow bar part # BX7420. For lighting you can use the diode kit, # RM-15267, and not have to worry about cutting into the taillight housing. This will splice into your taillight wiring to allow your tow vehicle to control the taillight assemblies of the towed vehicle....
    view full answer...
  • Recommended Flat Tow Setup for a 2014 Chevy Captiva Sport
    I can definitely help you out with parts to flat tow your 2014 Chevy Captiva Sport. I really like the Demco setup you were looking at because Demco offers a few kits that include just about everything that you need, plus they have very nice tow bars that will last you a long time which you can use on future vehicles you choose to flat tow. For a base plate kit use part # DM9518218 and the the Demco tow bar I recommend is the Dominator # DM9511008 because it has a 7,500 lb weight capacity...
    view full answer...
  • Adapter For Blue Ox Tow Bar to Roadmaster EZ5 Base Plates on 2019 Lincoln Nautilus
    Okay, we can get you set up, and let's start with the tow bar adapter, for which you'll need a different one than the part you mentioned for the Roadmaster base plates that fit your 2019 Lincoln Nautilus, which are the Roadmaster Direct-Connect Base Plate Kit # RM-524461-5. These are direct connect base plates, the correct part is the following: - Roadmaster Adapter Kit for Blue Ox Motorhome Mounted Tow Bars # RO64FR Let's move on to the braking system, and for one that is not portable...
    view full answer...

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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jacob T
Video Edited:
Jacob T
Employee Chris R
Video Edited:
Chris R
Employee Kathleen M
Installed by:
Kathleen M
Employee Dustin K
Video by:
Dustin K
Employee Wilson B
Updated by:
Wilson B
Employee David F
Test Fit:
David F
Employee Kristina F
Written by:
Kristina F

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