Blaylock EZ Lock Trailer Coupler Lock for 1-7/8", 2", and 2-5/16" Couplers - Aluminum

Blaylock EZ Lock Trailer Coupler Lock for 1-7/8", 2", and 2-5/16" Couplers - Aluminum

Item # BLTL-33-40D

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Our Price: $63.07

Trailer Coupler Locks

Shipping Weight: 4 lbs

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Blaylock EZ Lock Trailer Coupler Lock for 1-7/8", 2", and 2-5/16" Couplers - Aluminum Keyed Alike BLTL-33-40D
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Product Images

In Use/Installed

Customer Photos


  • Surround Lock
  • Fits 1-7/8 Inch Ball
  • Fits 2 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Blaylock Industries
  • Keyed Alike
  • Universal Application Lock
  • Aluminum
Fight back against trailer thieves with this rugged, rustproof aluminum trailer coupler lock. Simple yet effective, it deters towaway theft of your trailer that has a trigger-, latch-, or handwheel-style coupler. Includes stainless steel padlock. Lowest Prices for the best trailer coupler locks from Blaylock Industries. Blaylock EZ Lock Trailer Coupler Lock for 1-7/8", 2", and 2-5/16" Couplers - Aluminum part number BLTL-33-40D can be ordered online at etrailer.com or call 800-298-8924 for expert service.


  • All Info
  • Reviews (555)
  • Q & A (7)
  • Videos (2)
  • Photos
  • Why etrailer?

Blaylock Industries Trailer Coupler Locks - BLTL-33-40D

Fight back against trailer thieves with this rugged, rustproof aluminum trailer coupler lock. Simple yet effective, it deters towaway theft of your trailer that has a trigger-, latch-, or handwheel-style coupler. Includes stainless steel padlock.


Features:

  • Coupler lock deters theft of your trailer that has a trigger-style, latch-style, or handwheel-style coupler
    • 3 Pin hole positions allow for tight fit on a variety of couplers
  • Heavy-duty bracket fits around your trailer's coupler
    • Raised ball on platform sits inside of coupler
  • Steel pin slides through the bracket to secure the lock to your coupler
  • Stainless steel padlock with hardened steel shackle secures pin in place
  • Keyed-alike option - select "Keyed Alike" to order multiples of this lock keyed alike or to key the same as other Blaylock locks that use the 40D Master Lock padlock
  • Aircraft-grade, lightweight aluminum construction is strong and resists wear and corrosion
  • 2 Keys are included
  • Made in the USA


Specs:

  • Application: most trigger-style, latch-style, or handwheel-style couplers that fit 1-7/8", 2", and 2-5/16" hitch balls
    • Trigger style: Fulton, Shelby, Dutton-Lainson, Atwood, and similar
    • Latch style: Atwood, Fulton, and similar
    • Larger 8,000-lb and 10,000-lb Atwood
  • Overall dimensions: 6-1/4" long x 4-1/4" wide x 5-1/4" tall
    • Inside width: 4-3/4"
  • Pin diameter: 3/4"
  • Weight: 4-1/5 lbs


This Blaylock EZ Lock is designed to work with trigger-style, latch-style, or handwheel-style couplers that fit 1-7/8", 2", or 2-5/16" hitch balls. After it has been secured, this coupler lock renders your trailer's coupler inoperable, ensuring peace of mind.


With the slanted side of the lock pointed toward the front of the coupler, simply place the coupler lock's raised ball up under the coupler and into the coupler's ball hole. The sides of the lock will surround the coupler. Slide the 3/4" diameter pin through 1 of the 3 pin hole positions on the lock, selecting the position that will hold the lock snugly in place on your coupler. Then secure the pin in place with the included Master Lock padlock.



40DPF MasterLock Padlock

TL33 Universal Coupler Lock by Blaylock Industries







Video of Blaylock EZ Lock Trailer Coupler Lock for 1-7/8", 2", and 2-5/16" Couplers - Aluminum


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




Video Transcript for Blaylock Industries Trailer Coupler Locks - Surround Lock - BLTL-33-40D Review

Today were going to review part number BLTL-33-40D. This is the Blalock easy lock trailer coupler lock with the included padlock. This coupler lock is designed to work with the trigger style, latch style, or hand wheel style couplers thatll fit on a one and seven-eighths inch, two inch, or two and five-sixteenths hitch balls. After this locks been secure on your coupler itll make the coupler inoperable giving you peace of mind. This lock is made of an aircraft grade lightweight aluminum, which is strong and resist wear and corrosion. This will fit most trailers with one seven-eighths inch, two inch, and two and five-sixteenths trigger style, latch style, or hand wheel style couplers.

A few examples the trigger style will fit the Fulton, the Shelby, the Dutton Lance, the Atwood, and similar. The latch style will fit the Atwood, the Fulton, and also similar models and itll also fit on larger 8,000 pound and 10,000 pound Atwood couplers. Give you a dimension on this lock. Overall width is six and a quarter inches. The depth will be four and a quarter inches.

The overall height will be five and a quarter inches. This lock its a very simple installation. I have an example here of a trigger style coupler. Meaning if you pull the trigger itll release the latch to allow it to go over the hitch ball. Just to give you an example how this lock would operate on your coupler.

If you just take the coupler and it would go over the ball thats on the lock, lock it into place and then what you would do is this lock has three pin positions. Three pin hole positions which will allow for a tight fit on whichever design coupler youre putting this on. On this trigger one the best one would be this hole right here. We slide the pin through there as you can see that would put it very close to the coupler and then you take the included stainless steel master lock. This lock is a hardened steel shackle which will secure this pin to the lock.

The shield and shackle will prevent access with bolt cutters. This lock is resistant to wear and corrosion. It does come with two keys and these can be keyed to match your other coupler locks that require a padlock installation. Basically if you install this three quarter inch pin over the coupler theres a hole right here at the end of this pin which is three eighths inch in size. If you would just take your lock, install it, and as you can see its locked into place. The pin cannot be removed. With that pin over the coupler even if the trigger latch was released the coupler cannot be removed from the lock. Thatll prevent anybody from hooking up to your trailer with their hitch ball and driving off with it. Again, this part is made of an aircraft gray lightweight aluminum which is strong and resists wear and corrosion. It is made in the USA. Now we do offer this, you can buy just the padlock separate and the padlock right here would be part number its a master lock padlock, ML40D. Now we also will sell this coupler lock separately without the padlock if you have your own padlock and the part number on just this lock will be BLTL-33. That should do it for a review on part number BLTL-33-40D.


Customer Reviews

Blaylock EZ Lock Trailer Coupler Lock for 1-7/8", 2", and 2-5/16" Couplers - Aluminum - BLTL-33-40D

Average Customer Rating:  4.8 out of 5 stars   (555 Customer Reviews)

Fight back against trailer thieves with this rugged, rustproof aluminum trailer coupler lock. Simple yet effective, it deters towaway theft of your trailer that has a trigger-, latch-, or handwheel-style coupler. Includes stainless steel padlock.

- BLTL-33-40D
by:

I am very pleased with the products I have purchased online from etrailer.com They have an excellent line of products to choose form and the short videos about each product are very helpful. Etrailer.com communications with their customers is very good and delivery of products were on time. The products I have purchased have been of high quality. 121929



- BLTL-33-40D
by:

Hard to find item not available at any of my local retailers. Delivered promptly and product was as expected. Very easy. 482298



- BLTL-33-40D
by:

This is a great hitch lock, it fits all my trailers, so I ordered another one. I use it on my rv to help secure it as I live in a rural area with. The hitch is easy to use and is adjustable to fit most if not all hitches. 304142



- BLTL-33-40D
by:

I like this lock. It is beefy and will be a theft deterrent. It is also simple to install and remove. I found that the _inside_ dimension is 5.5 inches wide - the outside width is 6.5 inches. It just fits the coupler on my trailer. It would be even better if it were painted bright red or orange. 85329



- BLTL-33-40D
by:

Easy to attach to my 19' travel trailer. It's bigger than I expected and It seems a little loose, but should provide enough deterrence to stop thieves. The Master lock is a perfect addition. 465374


Comments

After one year, its still working out well. This product should last a lifetime.

DavidW - 01/06/2019

48271

- BLTL-33-40D
by:

This is a simple to use and secure lock for my new trailer. The Blaylock coupler lock will not rust and the MasterLock SS padlock works perfectly with it. Worth the peace of mind. Good service from etrailer and I would use them again. 589557



- BLTL-33-40D
by:

Nice sturdy hitch lock, bought a cheap Reese style hitch lock and lost the key and was able to drill the lock mechanism out faster than unlocking it with a key, this system has a better idea with the master lock, about as good as your going to get to keep the thieves away who don't have a grinder to cut the hitch lock off the hitch 333582



- BLTL-33-40D
by:

The product was as advertised, fast shipping, and great communication! I will definitely do business here again! 487087



- BLTL-33-40D
by:

Very solid. Multiple holes provide ability to fit and the small ball locked it in place. I had some difficulty attaching one but was able to get it with multiple attempts. I’m confident my flatbed trailers are now secure. etrailer assistance is very helpful. 459528


Comments

The locks I bought have provided the security and confidence because my trailers have been stored in a remote area. My step son even bought one for his trailer. Good product for reasonable price.

Mark - 12/12/2018

46631

- BLTL-33-40D
by:

Have used one of the Receiver Locks on a flat bed trailer and it works fine. Haven't tried the one we bought for a bale trailer as the trailer is still hooked to the pickup. Fast service. Box was damaged but everything was in it. 428963


Comments

Locks are working fine and we like them

Lillian H - 09/06/2018

43251

- BLTL-33-40D
by:

Super fast delivery and just what I wanted. eTrailer delivered again. 284009



- BLTL-33-40D
by:

e trailer is the only company that I purchase trailer related items from. They are an awesome company to work with. I highly recommend them. 258494



- BLTL-33-40D
by:

Just bought a travel trailer, put the coupler lock on there and feel secure with that on there. Fits nice and snug. Thanks 257712



- BLTL-33-40D
by:

I have been very impressed with this locking system for my trailer - Would definitely buy another one if needed 249852



- BLTL-33-40D
by:

One solid piece of Hardware ! wow the service was excellent - i ordered on a Sunday and got ship notification that is was shipped out on Sunday - who works on Sundays ? these guys do ! Can't wait to get it on my boat trailer at the lake, only asset that is not secured - now i will sleep with no worries - 60 bucks to secure a $2,000 trailer is a no brainer - get one ! 235886


Comments

Excellent device, worth the peace of mind

Steve R - 01/19/2017

22250

- BLTL-33-40D
by:

I read the reviews and it is exactly as I expected. However, I was surprised that the reviews also said the follow up from the company was excellent. I didn't believe it, but now I do. Great company to work with. Thanks!!!!! 223818



- BLTL-33-40D
by:

Fit perfect looks great. 165469



- BLTL-33-40D
by:

Easy to use, adds one more deterrent to would-be thieves. Light weight, good for those of us trying to keep towing weight down. Showed up a day earlier than predicted by etrailer. 158621



- BLTL-33-40D
by:

Product arrived in short time & appears to be very well constructed and will let me rest a little easier with trailer parked for extended periods. 114284



- BLTL-60
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Works great 163034



- BLTL-20
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


The trailer lock doesn't fit my trailer. 608058


Comments

The inside width of this coupler lock is 3-316 inches, so it will not fit couplers that are wider than that.

-- Mike L - 02/25/2019

49863

- BLTL-50-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Worked great until the thief removed hitch tube from the trailer and installed his own. 339905



- BLTL-34
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


excellent product,highly recommended,best out there; thank you 194156



- BLTL-34
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


I am quite satisfied with the Blaylock coupler lock. It is well made (I appreciate it having been made in the USA). I have both lipped and flat flange couplers on two different trailers, and I only need to lock one at any given time, so I got the one that fits lipped couplers and it will work on either one; if I wanted to be elegant, I would make a shim for use with the flat-lipped hitch just to take some vertical clearance out of it, but that would be merely putting booties on the cat -- it achieves its purpose as it is, and gives me versatility. I like the axial tolerance built into the locking pin because I'm confident it will not hang up, rust, or stick with age and dirt accumulation. 612119



- BLTL-60-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Feels very light and it is very sturdy. Fits great on my trailer. I needed something that will hold through "old winter" and this one fit the bill. 148750



- BLTL-55-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


loose fitting but should keep honest people from borrowing my trailer 575151



- BLTL-55
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


I am using this on a Big Tex 22GN HD and it fits perfectly. I could not find out what type of coupler BIg Tex uses but I asked etrailer and they thought the same thing I did, that it looks like a Ram coupler. If you are looking for a lock for a Big Tex gooseneck look no further because this is the one. 512765



- BLTL-20-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


I highly recommend This lock, along with the offered MasterLock padlock to anyone wanting to secure a trailer with a Bulldog hitch. I am very pleased with the quality & workmanship of this product to help secure my Horse Trailer hitch. 485266


Comments

After 1 year, Still very Happy with this lock. It is on my trailer all the time, removed only to hook the trailer to the truck. Excellent, quality product!

Julie - 03/16/2019

50591
Comments

Still very happy with the trailer Coupler lock

Julie - 03/16/2019

50600

- BLTL-60-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


The coupler lock is easy to use and should deter the easy theft of my trailer. Because it is designed for both a 2.5" and 3.0" lunette ring, there is some play between the lock and my 3.0" ring, but not enough to impact its intended function. 218177


Comments

The lock works great...the aluminum does not rust or corrode when left outside in the elements

Thomas S - 08/10/2016

20143

- BLEZ-300
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


it worked like a charm. easy to do. now I will have peace knowing it won't get stolen. 235093



- BLTL-60-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


It fit the pintle hitch on my brush chipper, perfectly. After having one stolen, I wanted to make sure this one did not leave my possession, and this looks like it will take care of that. 235729


Comments

This works so well, I have bought a couple of more since, to use on other equipment.

Stephen R - 01/17/2017

22236

- bltl-60
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Pics attached. 118278



- BLTL-50-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Worked great until the thief removed hitch tube from the trailer and installed his own. 340882


Comments

Thanks for your business and your review, R T. I am sorry to hear about your lock. For ultimate protection, combine this coupler lock with Blaylocks EZ Lock for gooseneck coupler set screw BLTL-51-40D - sold separately, which secures your adjustable couplers inner tube to the outer tube.

-- Laura E - 02/17/2017

22505

- BLTL-60-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Having had one brush chipper stolen, I was not about to let it happen again. This lock works perfectly on the pintle hitch on the chipper. It was shipped fast and was just as advertised. 298120



- BLTL-53-40D2
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Product as described. Already using it! Will buy again. I love etrailer 303112



- BLTL-34
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Coupler lock is not universal in regard to a snug fit. My 2 5/16" hitch is evidently deeper than most because the fit is extremely sloppy. I think the lock is ingenious compared to other styles; however, be aware that to secure the lock as intended by design you may need to add spacers above the lock pin. If the lock remains as a sloppy fit it will be easy to pry off with a crow bar. 161742



- BLEZ-302
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Great wheel lock. The design and production of the lock is superb. Hopefully it will never be tested but if it is, I'm confident that it will do what it is designed to do. As shown in the picture, it will be used as part of a set of locks to protect our new [email protected] trailer. 207151


Comments

Thanks for the followup. In general Im still very satisfied with the lock. Luckily it hasnt been tested by some unscrupulous person. I have a very secure feeling when using the lock. I guess the only slightly irritating thing Ive found with the lock has to do with the key and lock itself. Compared to all other key locks Ive ever used, this is the only one where the key has to be turned and turned and turned until it reaches the end and the key can be removed. The same happens in reverse when unlocking the lock. You have to turn the key quite a few times to get the lock to where the bolt can be removed and the key can be removed. When youre sitting or laying on the ground putting the lock on or taking it off, this all can be kind of annoying. I wouldnt give up the lock for anything and Im sure it will last longer than Ill have the trailer to which I attach it but a re-design of the locking mechanism could sure help some future customers satisfaction.

Mike H - 07/22/2016

19593

- BLTL-50-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Works well on my goose neck horse trailer. No modifications needed. There is about a half inch of space between bottom of coupler and lock. I was expecting it to fit a little more snug. But seems like it will do the job. Great fast shipping. Will order from these guys again. 142441



- BLTL-55
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Well, it doesn't fit, too big, could hit it with a hammer and it would slide right off. Here are some pics. What now? 575503


Comments

This coupler lock part # BLTL-55 is for ram gooseneck couplers. The coupler lock you need is part # BLTL-50 for a Bulldog gooseneck coupler part # BD0289250300.

-- Heather A - 10/19/2018

44817

- BLTL-20
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Good product but not usable on my hitch which is compound locking. Good only for the standard lever lock hitch. 569690


Comments

The lock part BLTL-20 is designed for bulldog collar-lok couplers. If you have a traditional style latch lock on your coupler I recommend part # DT25013KA
Fastway Universal Trailer Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers
$38.95
fastway universal trailer lock. Please keep in mind, the maximum coupler width must not exceed 4-3/4 inches to use DT25013KA.

-- Heather A - 09/28/2018

44117

- BLTL-51
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Product arrived very quickly and was simple to install. 115606


Comments

This lock has been exposed to the elements in SE Texas for a year now and remains in perfect shape.

Scott A - 02/04/2015

9256

- BLTL-60-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Works great, cheap and now thugs will have a much are time stealing my trailer! Well worth the money. 416692


Comments

Quick update since its been over a year of what use. Good news, so far no one stole my trailer and absolutely no issues with the pintle lock. Great product!

David F - 08/06/2018

41978

- BLTL-53-40D2
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Product looks and fits Great staff contacted be every week while there was a back order to let me know status. Great customer service . 154298



- BLTL-20-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


I had seen some negative reviews for etrailer and actually hesitated to place an order, but they had exactly what I wanted and their prices were better than anyone else. So I placed an order..... The customer rep was excellent and very helpful. My order arrived in 2 days exactly as I ordered. Great experience.!!! I would certainly buy from them again. 330331



- BLTL-55
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


The product arrived very quickly. Excellent quality aircraft grade aluminum. Locking mechanism fits great. 217639


Comments

We love them. Our living-quarters horse trailers are a big investment for usand these locking devices provide peace-of-mind that no one can steal themwhen we are away. Solid, tough, easy to use.

Dave P - 08/16/2016

20288

- BLTL-20-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


This lock system is simple and weather exposure should not be a hindrance for removal when needed. I would like to see the pin made of hardened steel. May get a machinist to fab one up out of a harder Rockwell rating. Painted it Orange and it contrasts very well to the black trailer frame. This is a visual que for those passing by the county road, that the coupling has 'something' on it. The Master lock appears to be of a higher quality the the same design but sold for storage unit use. It may be made by Master but have no way of knowing. The lock operates very smoothly and the stainless body is perfect for outdoor application. A shout out to Jennifer who has been providing excellent customer service from day one. This means I will use etrailer for future trailer needs, thanks to her. Hope this helps others. 398959


Comments

still a great solid product. Spray some silicon in the lock about every few months and all works well.

Y-Lee K - 06/25/2018

40193

- BLTL-36
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


the lock works grate easy to put on had a 16 ft trailer stole from me its no fun dont think they can get this off without the key cost me 3000 for the new one its 18 ft long dont want to loose it the police department cant do anything we pay them well for nothing but writing us tickets so I suggest you spend a few bucks for insusance because if your like me you deductable is around 2500 so what good does it do you for 40 bucks you can hold off a no good theif and save your self the problem of lossing something you paid dearly for 278362



- BLTL-20-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


We have several trailers we use to haul equipment to job sites and have to leave them at site over night so these locks are very sturdy which gives us security from theft and was able to get all locks keyed alike so one key works on all trailers which is convenient. 369817



- BLTL-34
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Great product. Well built. Corrosion resistant. Fits well. Does the job! Additional layer of protection and a great price. 126587



- BLTL-60-40D
by:

Review from a similar Blaylock Industries EZ Lock in Trailer Coupler Locks


Looks great, works great, does exactly what I needed. If I need another I will definitely be reordering 186494


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Ask the Experts about this Blaylock Industries Trailer Coupler Locks
Do you have a question about this Trailer Coupler Lock?


  • Recommended Coupler Lock and Padlock Compatible with Standard Travel Trailer Couplers
  • The EZ Lock Trailer Coupler Lock for 1-7/8", 2", 2-5/16" Bulldog Collar-Lok Couplers # BLTL-20 is specifically designed for a collar lock style coupler like # BD028657. For a standard travel trailer, you most likely do not have that style coupler, so I recommend the Blaylock EZ Lock Trailer Coupler Lock for 1-7/8", 2", and 2-5/16" Couplers - Aluminum # BLTL-33 for the same style that is compatible with most travel trailer coupler styles. If you want one with a padlock included, I recommend...
    view full answer...

  • Coupler Lock That Fits 1-7/8" Shelby Coupler
  • There is a coupler lock available for your 1-7/8" Shelby coupler, though they locks themselves aren't truly "universal;" oftentimes they say they will fit "most" but will name specific brands and types they fit. For example, the Master Lock Universal Trailer Coupler Lock # 379DAT will fit a 1-7/8" straight lip, rolled lip and surge brake/hydraulic couplers from Shelby, but also from Reese, Fulton, Valley, Atwood, Shelby, Putnam, Bulldog, Dutton-Lainson and UFP. There is also the Blaylock...
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  • Inner Dimensions of the Blaylock EZ Lock Coupler Lock # BLTL-33
  • I pulled the Blaylock EZ Lock Coupler Lock, # BLTL-33, from our warehouse and took some measurements for you. The inside width of this coupler lock is 4-3/4 inches. From the base to the bottom of the pin, it measures 3-1/8 inches (see photo). If you do not have a padlock yet, I recommend looking at the Blaylock EZ Lock Coupler Lock with Padlock, # BLTL-33-40D. This is the same coupler lock, but it includes a stainless steel padlock. You could also just purchase the lock separately as...
    view full answer...

  • Recommended Trailer Coupler and Padlocks Keyed Alike
  • For your coupler locks to enable you to get all your locks keyed alike, I recommend the Blaylock EZ Lock Trailer Coupler Lock for 1-7/8", 2", and 2-5/16" Couplers - Aluminum # BLTL-33-40D. This will use the 40D Master Lock Padlock and they can be keyed alike to each other by selecting that from the dropdown on the product page and adding the quantity desired. To get the locks all keyed alike you will do the same thing with # ML40D. The easiest option is to order the total number of...
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  • Will Blaylock EZ Lock Trailer Coupler Lock fit UFP Square Bodied Coupler
  • If the front part of your square-bodied coupler is approximately 3 inches tall, based on the inner dimensions of the lock the Blaylock EZ Lock Trailer Coupler Lock # BLTL-33 will work well for you. The # BLTL-33 has inner dimensions of 3-1/8 inches x 4-3/4 inches, when the bar is installed in the tallest position. Another factor to consider is the location of your coupler latch. The key is securing the lock in the underside of the coupler while also covering the latch on top of the coupler...
    view full answer...

  • Trailer Coupler Lock for 1-7/8, 2, and 2-5/16 Inch Couplers that Can be Keyed Alike
  • Unfortunately, the two locks you asked about cannot be ordered keyed alike or rekeyed but I do have some options for you. We have some trailer coupler locks that can be ordered in multiple quantities and keyed alike and will fit a 1-7/8, 2, and 2-5/16 inch couplers. The Blaylock EZ Lock Trailer Coupler Lock # BLTL-33-40D is one. It uses a heavy-duty bracket that fits around the coupler. Another option is the Fastway Universal Coupler Lock # FA86-0015-312 which is ordered with the...
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  • Locks Needed For 2-1/2 Inch Hitch Receiver And Coupler On Trailer
  • I was unable to find a combination system that would work to lock both the coupler on your trailer and also the hitch receiver on your 2013 Dodge Ram 2500 with a 2-1/2 receiver. For a simple system to secure your coupler I recommend the Blaylock EZ Lock Trailer Coupler Lock, part # BLTL-33-40D. This lock simply inserts into the the coupler and uses a 3/4 inch pin to secure the lock to the coupler. A keyed Master Lock is included that is inserted through the pin on the lock. For...
    view full answer...


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Info for this part was:

Installed by:
Jeff D
Written by:
David L
Photos by:
Amber A
Expert Research:
Jeffrey L
Updated by:
Hannah L

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