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  1. Tow Bar Base Plate
  2. GMC
  3. Sierra
  4. 2004
  5. Demco
FITS 2004 GMC Sierra
Demco Classic Base Plate Kit - Fixed Arms

Demco Classic Base Plate Kit - Fixed Arms

Item # DM9517148
Retail:$588.00
Our Price: $484.49
You Save: $103.51
Tow Bar Base Plate
Confirmed to Fit
2004 GMC Sierra

1500 HD

2500

3500

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Call etrailer.com at 1-800-940-8924 for expert service. We are your GMC tow bar base plate experts, and offer a great price. etrailer.com carries a complete line of Demco products for your GMC Sierra 2004. Demco Classic Base Plate Kit - Fixed Arms part DM9517148 from Demco can be ordered online at etrailer.com. Complete tow bar base plate installation instructions and technical support.
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  • Reviews (214)
  • Q & A (0)
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2004 GMC Sierra - Demco Classic Base Plate Kit - Fixed Arms

  • Demco
  • Fixed Draw Bars

This custom-fit base plate kit lets you hook up your tow bar to your GMC Sierra. No external crossbar means that only the base plate tabs are visible. Simple bolt-on installation with included hardware.


Features:

  • Custom-fit base plates provide attachment points for your tow bar
  • Hidden reinforcement means that less of the bracket shows
    • No crossbar support beam or large, protruding brackets
  • Sturdy, dependable design
    • Spreads towing force evenly to minimize weight placed on suspension
    • Constructed of durable steel
  • Simple installation - no welding required
    • Bolts securely to your vehicle's chassis
  • Electrical bracket lets you easily mount a round electrical connector plug
  • Instructions and necessary hardware included
  • Compatible with all Demco tow bars
    • Adaptable for use with tow bars from other manufacturers (adapters sold separately)
  • Made in the USA


Specs:

  • Distance between brackets: 30-3/4"
  • Bracket height: 17-1/2"
  • 1-Year limited warranty


Tow Bar Adapters

If you have a tow bar from a different manufacturer, an adapter may be available. Demco makes adapters for use with other manufacturer's tow bars so that you don't have to go through the added hassle and expense of replacing your tow bar when outfitting your new towed car with base plates.


Demco Base Plate Adapters

Type of Tow Bar Use Adapter
Roadmaster Eagle and Eagle 8000 DM9523014
Reese Tow Champ and Valley Industries DM9523015
Roadmaster Falcon 5250 DM9523023
Blue Ox, Aladdin, Aventa II, Aventa LX, and Alexus DM9523034
Roadmaster Tracker, Falcon 2, Falcon All-Terrain, Blackhawk, Blackhawk All-Terrain, and Sterling tow bars with serial numbers up to 14,500 DM9523036
Roadmaster Nighthawk All-Terrain, Sterling All-Terrain, and Sterling tow bars with serial numbers 14,501 and above DM9523062



9517148 Demco RV Classic Baseplates

Installation Details DM9517148 Installation instructions


Customer Reviews

Demco Classic Base Plate Kit - Fixed Arms - DM9517148

Average Customer Rating:  4.8 out of 5 stars   (214 Customer Reviews)

This custom-fit base plate kit lets you hook up your tow bar to your vehicle. No external crossbar means that only the base plate tabs are visible. Simple bolt-on installation with included hardware.

by:
2006 GMCSierra

Great product..!! Remove GMC tow hooks & bolt in place.
Demco had originally said they were not available for my Truck.
Glad etrailer knows what they have.



by:

Perfect fit, fast shipping and great se rvice!



by:
2005 GMCSierra

Delivered right on time. Fit perfectly.



by:

The quality of this base plate is very good. On my 1990 Cherokee the spacing of the 1/2" bolt holes required me to enlarge the holes for proper fit. The instructions are shamefully poor quality as are the installation photos in the instructions. Demco needs to improve.



by:

The base plates fit nicely but the covers are a poor fit. It would make sense to me that the covers covered the whole base plate.
Thanks, Randy



by:

Unit works well on my 2001 Nissan frontier, have towed the truck a few times with no problems, good investment.



by:

Received on time and installed as directed. I'm 78 and only had one problem, that of having to bend down a tab on the vehicle frame. Had to go buy a punch. However, the left base plate front holes for the tow bar attaching pin was not in alignment. The pin would not go through. Contacted etrailer and received a replacement in no time. Removed the bad one and reinstalled the new one. Then took the vehicle to my hitch guy for brake wiring. He double checked my work and said everything was in great order and a good fit. With the virus lockdown, I have not towed other than home from getting the brakes set up. But that worked ok.



by:

The reason I didn't give a 5 star is ecause I had problems with the rust on the inside were the receiver. I would think the holding round stock should be made out of stainless. I have to grease the pins before I insert them.



by:

Received shipment fast. I ordered the wrong adapters and call customer service right after delivery. Got excellent service from Brittany ordered the right adapter, got a return label while on the phone to my email. Installed the demco base plates with a few problems. Fit was tight but nothing a small mallet couldn't handle. They do mention in instructions that you may need to elongate one of the holes. Mine was for a 2016 GMC 2500. Definitely need to make hole bigger on the truck frame. I would do it before inserting the baseplate. Otherwise great product good tight fit.



by:

Etrailer has proven to be the best place to purchase all my towing needs! They sent my first order very quickly. I decided to do a second order for another vehicle and again perfect service and top quality parts! The communication is A++++ and I highly recommend Etrailer.



by:

It took closer to 5 hours by myself!! Actually fairly simple install. If I had another one to do now it would probably take 3 hours. Some of the bolts were a pain with my large hands. It only pokes out a little. Very happy with this hitch!!



by:

Very high quality.
Very quick delivery.
Very
good customer service.
I will order from etrailer again, I'm sure



by:

Great service - ordered Sunday night, delivered Wednesday lunch time, installed Wednesday afternoon. Excellent information, instructions - took about 4 hours, had to file 2 bolt holes a slight bit, but the fit was very good.

I am very happy with the baseplate and would recommend it to anyone.

Before and after pictures attached.



by: 06/03/2024

This is my second set of Demco tabless base plates. First for a 2019 Ford F-150 and now for a 2023 Ford F-150. I like the fact that they are easy to install and are are basically hidden. My only complaint is that Demco makes the mounting holes over size. I assume to aid in installation however it allows for the base plates to move around some after installation even when properly tightened. This caused some problems with the installation of my Roadmaster tow defender as the tow bar mounts spread apart.



by:

Towed our jeep 3,000 miles and this baseplate fit and worked very well.



by:

easy to install on the truck frame and the removable arms help hide the base plate.



by:

After reviewing the top name brands for tow bars I was really exited first with Roadmaster's pin style base plate connectors, but when I realized that it would require cutting and possibly drilling I took a second look and decided to install the Demco base plates and get the tow bar from them as well.

These plates can be installed in a mere 2 hours if you have all the tools ready to go. I have the fortunate luck that my truck is equipped with the air suspension and so lifting it to the highest setting and driving up on 12in ramps gave me ample amount of room to work under the front bumper area.

The installation is seriously easy and requires no special tools, other than a set of metric sockets and a torque wrench. The factory tow hooks are removed and these base plates fit in the exact same space without any cutting, not even the plastic cover behind the pumper needed to be removed (though for some odd reason the instructions did and I followed them on the driver side but when I realized that I could install the plate without this step, I omitted it on the passenger side). Despite my initial worry of wanting a nearly invisible look, these bars are remarkably clean looking.



by:

These base plates are AWESOME! They were very easy to install on my 2013 Ram 2500. I just removed the shackles that were there, and the base plates aligned to the existing holes perfectly. Connecting to the tow bar behind my RV was a simple and easy task. Make sure you use the Loc-tite that comes with the base plates on the new bolts. This will ensure you have a good strong tight bond. The plastic covers that come with the base plates are a good fit too. The only come off if you pull them off, plus they protect your knees if you happen to bump into the base plates by accident. This is an awesome product, I highly recommend.



by:

Demco is a great product. This is the third baseplate we have purchased for different vehicles. All have fit perfectly. It took me 1.5 hours to install this one on our Fiat 500.



by:

Super Service and parts fit perfectly.

Very
good quality.



by:

Good service and bang on timely delivery, thanks



by:

Fast delivery and great price. Replaced an old Roadmaster baseplate (which was a shin-getter) for my Saturn Vue, with a Demco baseplate. Fits perfect! New baseplate is barely exposed to my shins. Directions were very clear, and I installed it in about 2 hours. It even came with the thread lock required. etrailer communicated every step of my shipment, even following up after delivery.



by:

Received my H3 Hummer baseplates and towing lights diode kit. Haven't installed yet but when it's done I hope to submit pics.
Dealing with etrailer has always been nothing short of outstanding. Always rapid delivery of great parts and excellent prices. Thanks once again etrailer.



by:

Very happy with this. It shipped fast a lso.



by:

Perfect fit. Simple DYI installation.


25
214
Show More Reviews

See what our Experts say about this Demco Tow Bar Base Plate

  • Does Demco Classic Base Plate Kit Come with Tab Covers
    The tab covers are included with the Demco Classic Base Plate Kit # DM9517148 that you referenced.
    view full answer...
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  • Base Plates for 2006 GMC Sierra 2500 for Demco Tow Bar
    What you will need in order to flat tow your 2006 GMC Sierra 2500 with a Demco tow bar like the Demco Commander II Non-Binding Tow Bar # DM9511012 or Demco Excali-Bar III Non-Binding Tow Bar # DM9511013 are base plates from Demco that fit your truck. For that, the correct part for your 2006 Sierra 2500 is the Demco Classic Base Plate Kit # DM9517148. The other parts you will need for your truck are a wiring kit, brake light relay, and supplemental braking system if you don't have them....
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  • Parts Needed to Flat Tow a 2006 Chevy Silverado 2500HD
    For flat towing your 2006 Chevy Silverado 2500HD you will first need to start with a base plate kit. The Demco # DM9517148 has been confirmed as a fit for your truck and would work well. In addition to the base plates, you will also need a compatible tow bar, safety cables, lighting, and supplemental braking to flat tow your vehicle. The best compatible tow bar is the Dominator # DM9511008 that comes with safety cables and a 7,500 lb capacity. For lighting you can use the diode kit, #...
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  • Parts Needed to Flat Tow a 2005 Chevy Silverado 2500HD
    Supplemental braking is just one of the 5 key components needed to flat tow a vehicle. You will also need base plates, a compatible tow bar, safety cables, and lighting. Also, the tow vehicle has to weigh more than the 2005 Silverado and have the gross trailer weight capacity higher than the gross vehicle weight of the Silverado. For base plates you can use Demco # DM9517148. For a compatible tow bar I recommend the Dominator, # DM9511008, which is rated for 7,500 pounds and also comes...
    view full answer...
  • Flat Tow Items For 2004 GMC Sierra
    I recommend the Demco Classic Base Plate Kit, # DM9517148. With no external crossbar it means that only the base plate tabs are visible but with hidden reinforcement there is less of the bracket showing. Match these to the etrailer XHD Non-Binding Tow Bar, # e94ZR that is rated at 10,500 lbs. The non-binding design allows you to easily release your vehicle, even on unlevel ground as the trigger release on each arm easily activates, even when under pressure. This comes with needed safety...
    view full answer...
  • Is Demco Classic Base Plate for 2004 GMC Sierra 1500 Compatible with Blue Ox Alpha Tow Bar
    Yes, the Demco Classic Base Plate Kit # DM9517148 is compatible with the Blue Ox Alpha Tow Bar # BX7380 to tow your 2004 GMC Sierra 1500 Z71 when you use the Adapter for Blue Ox Tow Bars # DM9523034. Please note that a complete flat towing setup also includes vehicle tow bar wiring, a supplemental braking system, and possibly a high-low adapter. If you do not have all of these components then I have some recommendations for you. For wiring I recommend the Flexo-Coil Wiring Kit # RM-15267...
    view full answer...
  • Will Demco Classic Base Plate Kit Fit with Blue Ox Tow Bar for a 2004 GMC Sierra
    The Demco Classic Base Plate Kit # DM9517148 is compatible with your 2004 GMC Sierra and Blue Ox tow bar so long as you use the Adapter for Blue Ox Tow Bars # DM9523034. For a complete flat towing setup you will need a base plate kit, tow bar, safety cables, vehicle tow bar wiring, a supplemental braking system, and possibly a high-low adapter. If you do not have all of these components just let me know and I can make some additional recommendations for you.
    view full answer...
  • Do Demco Base Plates Install In the Same Spots on the 2014 Silverado 1500 as the 2007 Silverado 1500
    It sounds like you're trying to find out if the installation of the new Demco base plates # DM9518200 is going to be a similar process as the installation of your old Demco base plates like the # DM9517148 that fit on a 2007 Chevy Silverado 1500. The answer is going to be yes. Both of these base plates look fairly similar and the changes that have been made are going to be fairly minor to adjust for the changes in body styles. For this reason, the installation process is going to be the...
    view full answer...

Do you have a question about this Tow Bar Base Plate?


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Kristina F
Written by:
Kristina F
Employee Manda E
Updated by:
Manda E

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