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  1. A-Frame Trailer Coupler
  2. Demco
  3. 2 Inch Ball Coupler
  4. Bolt-On
  5. 10000 lbs GTW
  6. Standard Coupler
Demco Cast Head Coupler w/ Jack Hole - eZ-Latch - 2" Ball - A-Frame - Bolt-On - 10K

Demco Cast Head Coupler w/ Jack Hole - eZ-Latch - 2" Ball - A-Frame - Bolt-On - 10K

Item # DM37ZR
Our Price: $93.92
A-Frame Trailer Coupler
Shipping Weight: 11 lbs
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A-frame coupler with cast head is made of sturdy steel and has a durable black powder coat finish. eZ-Latch ensures fast, easy, secure hookup and disconnect. Top plate has 2-1/4" cutout for your round jack. Bolt-on installation. 1-800-940-8924 to order Demco a-frame trailer coupler part number DM37ZR or order online at etrailer.com. Free expert support on all Demco products. Great prices and Fastest Shipping for Demco Cast Head Coupler w/ Jack Hole - eZ-Latch - 2" Ball - A-Frame - Bolt-On - 10K. A-Frame Trailer Coupler reviews from real customers.
  • All Info
  • Reviews (56)
  • Q & A (0)
  • Photos

Demco A-Frame Trailer Coupler - DM37ZR

  • 2 Inch Ball Coupler
  • Bolt-On
  • 10000 lbs GTW
  • Standard Coupler
  • Demco
  • Auto Latch

A-frame coupler with cast head is made of sturdy steel and has a durable black powder coat finish. eZ-Latch ensures fast, easy, secure hookup and disconnect. Top plate has 2-1/4" cutout for your round jack. Bolt-on installation.


Features:

  • A-frame coupler lets you hook up your trailer to your tow vehicle
    • Provides connection point for hitch ball
  • eZ-Latch mechanism with corrosion-proof composite latch handle ensure simple, secure hookup and disconnect
    • Lets you hook up when latch is in closed position - just drop coupler over hitch ball and latch will snap into place
  • Sturdy steel construction
  • Black powder coat finish resists corrosion
  • Bolt-on installation
  • Cutout in top plate fits jacks with 2-1/4" diameter outer tubes


Specs:

  • Application: A-frame trailers
  • Ball size: 2"
  • Weight capacity: 10,000 lbs
  • Overall length: 17-5/8"
  • Diameter of lock pin hole: 5/16"
    • Minimum span needed for pin lock: 2-1/2"
  • Distance between bolt holes: 3" on center
  • Distance between jack mounting holes: 3-1/4"
  • Width of inside of back of coupler: 10-3/4"
  • 1-Year warranty


eZ-Latch Coupler

This coupler features a simple-to-use latching mechanism known as the eZ-Latch. With this mechanism, hooking up is as easy as dropping the coupler over your trailer hitch ball. The latch does not need to be tugged or manually activated to allow the ball into the coupler socket, nor does it have to be secured in place. Just make sure that the coupler is properly lined up with the ball when you lower it, and the rest is automatic. Disengaging the coupler is just as effortless. Simply lift up the contoured handle and the coupler socket will automatically release its grip on the ball. The eZ-Latch's sleek, ergonomically designed handle is also constructed of a durable composite material that's corrosion-proof, allowing it to withstand whatever the road and the elements dish out.


Demco eZ-Latch in Use


16854-81 Demco A-Frame Cast Head Trailer Coupler with Easy Latch and Jack Hole - Black - 2" Ball - 10,000 lbs





Customer Satisfaction Score:


Customer Reviews

Demco Cast Head Coupler w/ Jack Hole - eZ-Latch - 2" Ball - A-Frame - Bolt-On - 10K - DM37ZR

Average Customer Rating:  4.7 out of 5 stars   (56 Customer Reviews)

A-frame coupler with cast head is made of sturdy steel and has a durable black powder coat finish. eZ-Latch ensures fast, easy, secure hookup and disconnect. Top plate has 2-1/4" cutout for your round jack. Bolt-on installation.

by:

Installed this 1 year ago on a friend's trailer. He loves it. Strong secure and easy to hook up. Only wish we had done it sooner. Used 6 grade 8 bolts and washers and welded along the back edge. Has not moved. Light sanding and white paint has stayed adhered. Waiting? Stop you will not regret getting this coupler.



by:

purchased 1 year ago - strong solid product, good price, easy to install, can recommend and would buy again



by:

I have used this coupler for a year and I like it better than the one that came with the trailer originally. It just snaps on and locks. No fussing. My only problem with it is that it doesn't come for 30° A-frame trailers so I had to weld it on and it looks funny...



by:

Great product, superior quality. Easy i nstallation

Thomas

9/2/2023

Excellent replacement part



by:

This was a huge upgrade to my trailer, once my prior coupler broke I was told this was the way to go. Would purchase again in a heartbeat!



by:

Way better than the couple I had on my trailer. I'll end up changing to these on all of my trailers.



by:

Well built and excellent finish. I especially like the auto lock feature. It makes it really easy to hook up.



by:

Love this coupler, took some work to install it but tows great now and love the easy latch/unlatch



by:

The product came in pre-scratched! I know it's coupler, but I can scratch it up myself!



by:

Very High Quality! Shipped Fast and Quick to Respond to Messages!



by:

Exactly as advertised. Can't wait to install it. E-trailer is my go to source for all my trailer parts.



by:

Dimensions incorrect. Product severely banged up!

Etrailer Expert

Jenny N.

8/14/2023

I am sorry that it arrived damaged. I will have our Customer Service team reach out to you.



by:

Very nice construction, but horribly scratched on arrival. I am keeping it since I have to make some minor mods and paint anyway.



by:

Fit great!



by:

So easy to use! Back up drop her down, latch up, latch down this hitch doesn't care. Wish it was a factory option on my new GeoPro.



by:

Good looking, got here fast and seems heavy duty with excellent finish.



by:

Wonderful workmanship. Almost hate to use it. Release lever genius.



by:

Time will tell on the mechanism, but so far it's great! Overall a nicely made coupler.



by:

Ordering was easy and shipping was fast. Thanks!



by:

Received yesterday had to go to ups and pickup. UPS SUCKS welded on this morning. Never had or saw a hitch like this, I have been a die hard bulldog hitch guy. We shall see



by:

I have been changing out all of my trailer hitch couplers to the Demco Cast head design.
These are by far the best couplers on the market.
Super strong and they do not require a safety pin to keep them latched, it says so right on the side of the couplers. I have never had a Demco latch come off, not the case with other lesser quality couplers.
etrailer is by far the best place to get Demco couplers, they have the best price, crazy fast deliveries, and great customer service.



by:

Haven’t got it installed yet. It fits just as I wanted it to and is very sturdy. Can’t say enough about great customer service. Very professional and pleasant to deal with.



by:

Great product. Well built. Love the drop on feature EZ Latch.



by:

The whole shopping for parts experience was easy. Great products and great service and I received my order earlier then was told. Thank you all very much for making everything an easy process.



by:

quality product


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See what our Experts say about this Demco A-Frame Trailer Coupler

  • Standard Angle for A-Frame Trailer Tongue for Coupler Replacement
    The standard angle for an A-frame trailer tongue is 50 degrees. More than likely your trailer follows the standard. Since you are unsure, you could measure it using a tool like a protractor. The Demco Cast Head Coupler # DM37ZR you looked at fits the standard A-frame and would be a great replacement choice.
    view full answer...
  • Replacement Trailer Coupler For A Shelby 5101 Trailer
    Yes, you can replace your weld-on coupler with a bolt-on coupler you will just have to drill the holes The Demco Cast Head Coupler w/ Jack Hole # DM37ZR would be a good replacement. The coupler has a 10,000 pound weight capacity and will fit a 2 inch ball. I recommend this coupler over other couplers because of the eZ-Latch mechanism. It will ensure a simple, secure hookup and disconnect. We do not have an installation video on this product.
    view full answer...
  • Hardware Kit For A Demco Cast Head Coupler.
    I have a solution for you. We do not carry hardware kits for the Demco Cast Head Coupler w/ Jack Hole - eZ-Latch - 2" Ball - A-Frame - Bolt-On - 10K # DM37ZR. However the instructions will give you the dimensions you will need and you can pick them up from any hardware store.
    view full answer...
  • Mounting Hardware Needed for 10K Demco Cast Head Coupler eZ Latch
    The Demco Cast Head Coupler eZ Latch # DM37ZR coms as the coupler only so you would need to supply the mounting hardware. You will need 1/2" bolts that are at least Grade 5 rated. Anything higher than that will just be even stronger and work just fine. Attached is a review video for you to check out!
    view full answer...
  • Are Trailer Coupler Repair Kits Available
    The repair kits we currently carry are just replacement trigger latches which are brand specific so you would probably end up paying more trying to get all the parts you need instead of just replacing the coupler. It would honestly just be safer and easier to completely replace the current coupler any way. If your trailer has an A-Frame tongue then I recommend going with the Demco Cast Head Coupler w/ Jack Hole # DM37ZR. The EZ-Latch on these makes coupling your trailer super easy and...
    view full answer...
  • Is There a Replacement Coupler Repair Kit for a United Trailer
    It sounds like you might be looking for a trailer coupler repair kit for your trailer and if that's the case I do have some options but you're going to need to replace the entire coupler as they don't offer repair kits for the vast majority of trailer couplers. We also can't look up what trailer coupler any one particular trailer uses. I recommend the Demco Cast Head Coupler part # DM37ZR since it's bolt-on so all you need to do is cut off the old one. I have attached a full list below...
    view full answer...
  • Can Demco Trailer Coupler # DM37ZR be Welded On
    Yes, if you wanted to weld on the Demco coupler part # DM37ZR instead of bolting it on you certainly could. This is powdercoated though so you will need to remove the powdercoating first. For a similar coupler that was designed to be welded on and instead is just primed we have the part # DM14791-97 which has a 10k capacity, the same latch design, and fits a 2 inch hitch ball.
    view full answer...
  • Difference Between 10K Demco eZ-Latch Couplers
    The only differences between the Demco eZ-Latch Couplers # DM37ZR and # DM14793-81 is that the former has integrated loop holes for installing safety chains and a about a 2" drop while the latter doesn't come with provisions for attaching the safety chains and has the coupler in-line with the trailer frame. Aside from that everything else is the same.
    view full answer...
    Image 1 for
  • Comparing Demco A-Frame Coupler DM37ZR and DM14793-81
    You are correct. Other than how they are made, the Demco Cast Head Coupler w/ Jack Hole - eZ-Latch - 2" Ball - A-Frame - Bolt-On - 10K # DM37ZR and the # DM14793-81 have the same ratings and will work the same. There is no pro or con to either, so I recommend going with the one that is the most cost effective at the time. I included videos of the # DM14793-81 for you to take a look at.
    view full answer...
  • Do Demco A-Frame Trailer Coupler DM14793-81 and Demco Cast Head Coupler DM37ZR Use Same Hole Pattern
    The Demco A-Frame Trailer Coupler part # DM14793-81 and Demco Cast Head Coupler part # DM37ZR both install using the same three hole pattern spaced 3" apart on center so you should be able to switch between them pretty easily.
    view full answer...
  • Is There a Replacement for the Lippert 2 Inch Latch Coupler Repair Kit 678750
    I do have an option for you but latch repair kits are coupler specific and there are very few out there. Furthermore, the Lippert 2" Latch Coupler Repair Kit 678750 is no longer available and I know this isn't what you want to hear but the only option we can offer is a new coupler. I recommend the Demco Cast Head Coupler part # DM37ZR since it just bolts on so all you'll have to do is cut the old one off but there is no welding required. Unfortunately, we cannot advise on retrofitting...
    view full answer...
  • Replacement For Shelby 5135 Trailer Coupler Without Trigger Latch
    You mentioned A-frame, though it looks like the Shelby 5135 is a straight tongue coupler, so I'll give options for both. Since you don't want a trigger latch you'll need to upgrade to a 10k coupler but that won't be an issue, and here is what you can use: - A-Frame Coupler: Demco Cast Head Coupler # DM37ZR - Straight Tongue Coupler: Demco Channel Tongue Trailer Coupler # DM15000-52 Both the # DM37ZR and # DM15000-52 are bolt on, fit a 2" hitch ball, and use an eZ-latch so you'll just...
    view full answer...
  • Will InfiniteRule Lock for Demco eZ-Latch Trailer Couplers Fit Demco EZ Latch Gooseneck Coupler
    Yes, the InfiniteRule Lock for Demco eZ-Latch Trailer Couplers # IR66FR will fit your Demco EZ Latch gooseneck coupler.
    view full answer...
  • Can Older Marvel Trailer Coupler Be Repaired
    Thank you for the photos! It looks like Marvel used to be associated with Atwood and they went out of business a while ago. We have some similar coupler styles but I'm not seeing that any of our repair kits having the same design as your coupler so what I recommend doing is replacing the coupler completely. Any official markings for the trailer should be on the frame but if they are on the coupler then you might try taking a photo of it and keeping it with the trailer and/or having that...
    view full answer...
    Image 1 for Image 2 for Image 3 for
  • Pin Lock For Demco Cast Head Coupler DM37ZR
    There is indeed a pin lock for the Demco Cast Head Coupler w/ Jack Hole - eZ-Latch - 2" Ball # DM37ZR. In fact, there is one made specifically for this coupler, from InfiniteRule: - InfiniteRule Lock for Demco eZ-Latch Trailer Couplers # IR66FR Not only is this lock made for this coupler, but it is also extremely strong, with a tested shear strength of 42,000 lbs.
    view full answer...
  • Replacement For Cracked Trailer Coupler
    Yes, you need to replace that cracked coupler right away. I'm not sure from the photo what ball size it takes or if you have a straight tongue trailer or A-frame, but get something with a good powder coat or one that is zinc-plated if this is a boat trailer, like the Demco Cast Head Coupler - A-Frame # DM37ZR or Demco Channel Tongue Trailer Coupler # DM13203-95. I have added links below to our selections of both A-frame and straight tongue couplers.
    view full answer...
    Image 1 for
  • AMPLock Trailer Coupler Lock For Demco 2" EZ Latch Couplers
    As long as your 2" Demco coupler does not have the edge lip like the Demco Cast Head Coupler # DM37ZR then you will be able to use the AMPLock Trailer Coupler Lock for 2" Ball Couplers w/o Lip # AMP54FR. If your coupler is more like the Demco Trailer Coupler # DM14976-52 with the lip you will need the AMPLock Trailer Coupler Lock for Flat Lip 2" Ball Couplers # AMP64FR
    view full answer...
  • Recommended Lock for a Demco EZ Latch Coupler
    For the Demco EZ Latch Coupler like item # DM37ZR that does not have a lip around it you would want the Fastway Universal Trailer Coupler Lock item # DT25013KA. This is by far the best and most compatible option of the ones you listed. If you have more than one coupler you are needing a lock for you can select keyed alike and order as many locks as you need and they will all be controlled by the same key. I have linked a review video below.
    view full answer...
  • Parts Needed To Build A 3,500LB Trailer Frame For a Homemade Tear Drop Trailer
    While we do not carry trailer frames we do carry all the other parts you are going to need to build your tear trailer. I have compiled a list of parts that you can use to build a 3,500lb GVWR Trailer. Trailer Axle with Idler Hubs # e72GR Single-Axle Trailer Hanger Kit # APS4 4-Leaf Double-Eye Spring # SP-210275 Qty 2 Demco Coupler # DM37ZR LED Trailer Light Kit # TL16RK Trailer Fender # HP36VR Qty 2 Kenda Karrier ST205/75R14 Radial Trailer Tire with 14" Black Mod Wheel # AM32131 Qty 2 You...
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Do you have a question about this A-Frame Trailer Coupler?


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jeff D
Installed by:
Jeff D
Employee Jacob H
Installed by:
Jacob H
Employee Jameson C
Expert Research:
Jameson C
Employee Chris R
Video Edited:
Chris R
Employee Mike S
Written by:
Mike S
Employee Michael B
Updated by:
Michael B
Employee Carrie F
Updated by:
Carrie F
Employee Thomas T
Video by:
Thomas T

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