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Cam-Action Lockable Door Latch w/ 36" Pipe for Enclosed Trailers - Zinc Plated Steel

Code: 305736

436 reviews

Our Price: $67.41


Product Specs:

Trailer Door Latch


Cam Door Latch

Lock Not Included

36 Inch Long

Polar Hardware

Cam-action door latch with pre-installed 1" diameter pipe is ideal for side doors that are smaller than rear doors on your trailer. Double-action handle protects against jarring while driving. Non-removable pin helps keep your cargo safe.

Video of Cam-Action Lockable Door Latch w/ 36" Pipe for Enclosed Trailers - Zinc Plated Steel

Customer Satisfaction Score:

Customer Reviews

Cam-Action Lockable Door Latch w/ 36" Pipe for Enclosed Trailers - Zinc Plated Steel - 305736

Average Customer Rating:  4.8 out of 5 stars   (436 Customer Reviews)

Cam-action door latch with pre-installed 1" diameter pipe is ideal for side doors that are smaller than rear doors on your trailer. Double-action handle protects against jarring while driving. Non-removable pin helps keep your cargo safe.

by: RobertT03/18/2023

Product is solid. Used it for a different purpose.

Met my expectations

by: The Wheelers01/29/2014

Thanks for the follow up. We just bought a Look 6' x 12' cargo trailer that only had the in-door lock on the side door. Of course we wanted to beef that up and in searching found your site. After reading the reviews we ordered the #305736 36" side door bar lock assembly on 1/20 and received it 1/22. Great! We installed it the next day in about an hour. It went on with minimal effort (drilling the holes was the worst) and looks as if it came on the trailer. We did install the hinge side over the door trim and used backer plywood inside with oversized washers and locking washers. We did the same for the door bracket. The pictures on your site from customers helped us, so we have attached a couple of our own. Thanks e-trailer! The Wheelers

This product still works great and looks like new! We will go to you first if we have any other needs.
The W - 01/29/2015

by: Michael K10/24/2013

I just attached the 36" latch bar. it only took about 30 minutes. Took longer to make sure it was positioned right and not to impede on the rv latch. I included a small bracket on the door as well. Latch hardware seems better the originals on back. 5/16" carriage bolts are needed. I used 2 1/2" then cut off anything past the nut. Pictures included.

Michael,Im doing exactly what you did putting this bar lock over an RV style door. The door is about 12 from being flush with the trailer side and it looks like yours may be too. Did you bend the strap to get it to lay flat against the door? I thought of spacing out the hinge plates so theyre flush with the door but dont think that would look good.Also, did you remove the rear lip on the aluminum trim the hinge plates are mounted over, space under the hinge plates, or just mount over it?Thanks,Steve
-- comment by: Steve S - 12/09/2013
Steve,there is an aluminum trim around the rv door, I just bumped the hinge of the bar to the closest lip of that alum. trim to the door basically mounting over the top of the trim -so on top of the left side bump and bumped the right side if that makes sense. it kinda naturally fits. the bar lays nice and tight to the door by just mounting it ad is. Add some metal straps on iside of door mount to beef that up. I used 2 or 2.5 inch bolts with oversized washers on inside alum. jamb and cut off excess bolt and grindedsanded smooth to nut. I siliconed the gaps on the outside above hinge because it wont sit flat due to the alum. trim so water doeant get on by bolts. Hope that helps.
-- comment by: Michael - 12/27/2013

Working great. Would order from you again.
Michael K - 10/24/2014
Is there a weak point created when bolting the hinges so close to the edge of the door opening? Could you install one of these by moving the whole assembly to the left, thus creating room for hinge backplates? I guess you would have to lower the mount point as well, to avoid the doors backplate from hitting the factory lock and use a shorter but wider door backplate.I assume you feel your hinges are secure. I have yet to take ownership of my trailer so I dont know what kind of stud is framing the door.I am so happy this accessory is available. I really didnt notice the pitiful side door lock until after I purchased my trailer. A crowbar and about 5 seconds is all it would take to get inside!
-- comment by: Scot S - 03/05/2015

by: Les S08/26/2015

E-trailer did an excellent job of shipping and handling of the product sent to me. It is of high quality and should last for years. It was delivered when they said it would be and I have installed it. Quite happy with it but wish that they would stock a 45" bar lock

The latch assembly is exactly what I needed for the shed that I built to house my small refrigerator. The critters or other unwanted cant get in.
Les S - 08/31/2016

by: Brad02/04/2023

Product was great and in stock. I ordered this on Friday and it was not going to ship until the following Wednesday with a planned Saturday delivery. I called on Monday to ask why it would take 5 days to get it off the shelf and out the door for shipping. The Customer Service person was not very informative and basically said it was what it was. However, after my call they ended up shipping on Monday and I received on Wednesday. So all ended well but I didn't understand the need for drama. If it is going to take 4-5 days to get shipping started, then state that in the order so customer sets the correct expectations.

In the end, I'm happy with the product - I'd buy again, but I think I would call it in the next time rather than ordering through my account.

by: Maxx W11/04/2014

Received the item very quickly for having chosen the "economy" shipping. Installed on 2015 Haulmark Transport side door for additional security, used in conjunction with a puck lock. Install was easy with the help of the reviews from this site, particularly the one from Michael K. I attached mine in the same manner as Michael, on top of the aluminum trim and butted up against the lip. I believe it would be just as functional and still secure through a vertical post if secured at the edge of the aluminum trim, however there seems to be better door engagement with it on top of the trim. I've attached a close-up of the mounting, as the description in other reviews is lacking in clarity. The door is rather flimsy on the this model of trailer, as I'm sure is the same with most trailers, so some backing will be required inside the door for the mounting hardware to distribute the load. I used a 1/8"x2" strap steel that I found at the local hardware store. Very satisfied with the end result, quality product at a great price.

by: Loren M.11/21/2014

We recieved our door-bar on Thursday Evening, and Friday I installed it in about an hour. I purchased $7.50 worth of carriage bolts & washers & ny-lock nut. 2.5 carriage bolt for the 36" rod hinge & 2" for the door. Our older Aluma trailer door lock with the "rod & lever" closure was not keeping the door completely closed plus the keys are obsolete and needed a new key.
With this set up my doors stay sealed to keep out dirt & dust and I can use any heavy duty lock. (Lock upgrade purchase soon) Thanks for fast delivery service too. Odered on Monday & recieved on Thursday!
Plus we love our 1.25 receiver hitch for our VW Jettawagen which we use to haul our bicycles! (purchased in October). We Paid $75 to have it professionally installed but saved $100 on the hitch.

by: Charles 03/28/2023

First, your service is excellent from start to finish. I received my cam lock and it’s high quality. Thank you.

by: Bob W.07/09/2014

Pretty nice product. Appears to be made in the USA by Polar. One of the welds is what I would call sub par, but the rest look OK. Easy install on my cargo trailer's side door. Takes 5/16" carriage bolts.

by: Greg05/22/2018

My trailer didn't come with one so I was always worried about the side door coming open. Not anymore!! This item is perfect for what I needed, easy install too. A LOT cheaper price then expected! Arrived sooner then was told.

Loved your product! Easy to install, great price, and arrived earlier then expected! Piece of mind now going down the road. That side door is NOT coming open! Ill be back!
-- comment by: Greg - 06/11/2018
Perfect! No issues....its strong and smooth operation....and PEACE OF MIND my sidedoor will NOT come open driving 65 on the highway.
Greg - 05/22/2019

by: Marty 01/21/2023

Great product and delivery was quick and easy to track!

by: Rick 07/20/2022

Installed easily with carriage bolts purchased from Ace. Had to bend the handles on a bench vice but that's not a problem with the product just the application of where it is on my trailer.Product works awesome.

by: Aram07/06/2022

These things are bulletproof. I use my trailer 6 days a week and open it about 20 times a day. These latches have worked perfectly. I highly recommend them. Easy to install too

by: Kenneth 12/07/2021

Trailer I bought didn't have it and I wanted it. Only regret is you don't have mounting hard for it. I'll get it local.

Mounted and working GREAT!
KENNETH A - 12/08/2022

by: Mark I07/18/2015

Holds door securely shut. I added a custom bracket to stabilize the side of this homemade box, by using the back door as a shear wall. See special bracket just below top hinge, under rod. The right wall cannot vibrate when driving, or be pushed out by contents inside.

by: David H09/11/2018

Prompt shipment, Quality product, insufficient dimensional detail to determine the designed relationship between the hinge mounting surface plane and the door surface plane when door is in the closed position. Had to buy the product in order to determine the applicability. Was able to adapt after determining the required shim thickness.see attached pix.

by: Bob 03/02/2023

It was exactly what i was looking for and I received it in just a couple days

by: Chad 02/02/2023

Great product! I wished they offered these in different configurations.

by: Eulitt E07/22/2013

My shed door didn't close well and
the shed was becoming a haven for wasps. After searching for a door latch that would seal the door I found your website and you had the perfect product for my project.

Your site was easy to navigate and simple to use. I was happy with the email updates on the shipping status and the latch arrived in good time and in good condition.

This might be the first time your trailer parts were used to fix a shed, so I'm including a picture.

All in all, a great experience.

by: Larry05/19/2022

Works good, plating is bad.

by: Lawrence01/18/2023

It was easy to install, replacing a broken one, and haven’t had any issues.

by: Wally M03/24/2014

Came as described, and in the time frame described(less than actually). Good customer service!

by: Earl02/08/2023

Heavy duty door latch and made of solid construction. Very nice piece

by: Adam11/22/2017

Everything about this purchase was perfect. The door latches arrived quickly, they were simple to put on the trailer and work great. 10 Stars!!!!

Thanks so much

by: Shaun04/23/2022

Good product. Only thing is mounting hole is 5/16 carriage bolt. Not 3/8. Can’t really complain.

Our product page says that the diameter of the mounting hole is 3 8ths. Most drill charts recommend using a 5 16th bolt for a 3 8ths mounting hole.
-- Etrailer Expert Sierra K - 05/06/2022

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Side-Door Bar Lock Assembly - 55" Long

Code: 3057-55

145 reviews

Our Price: $50.41


Product Specs:

Trailer Door Latch


Cam Door Latch

Lock Not Included

55 Inch Long

Polar Hardware

Cam-door style lock is ideal for use on trailer side doors that may be smaller than rear doors. Features 55" long pipe and rust- and corrosion-resistant zinc coating.

Video of Side-Door Bar Lock Assembly - 55" Long

Customer Satisfaction Score:

Customer Reviews

Side-Door Bar Lock Assembly - 55" Long - 3057-55

Average Customer Rating:  4.9 out of 5 stars   (145 Customer Reviews)

Cam-door style lock is ideal for use on trailer side doors that may be smaller than rear doors. Features 55" long pipe and rust- and corrosion-resistant zinc coating.

by: Chris B11/13/2022

Wow! Side door bar lock assembly arrived in great condition and much faster than I anticipated. I’m very happy with the build quality and high service level from etrailer. I highly recommend them.

by: Mark 01/23/2023

Works Great! Had to modify the mounting holes a bit, nothing I couldn't handle. Would be nice to have a bolt hole to bolt hole drawing on the website, along with the total length.

by: Chris 01/12/2023

Great product great service. The item shipped within 2 hours of ordering. Almost an exact fit had to enlarge the two lower holes about 1/8” of an inch to get the bolts to line up other than that perfect.

by: Ed M.03/19/2018

Overall a good product. I installed it over an RV style door on my enclosed trailer.

Cheap stamping of the latch itself and lack of quality control leaves me needing to dremel out the opening to correct the alignment of the hole so that a puck style lock can be used. A little disappointed here...

by: Bob L.07/20/2014

Great quality, and a fair price. Shipping is always a detriment these days. Still, it's exactly what I've been needing to secure my instruments. Clearly Etrailer, is seeking repeat customers with there heads up on back orders, and follow up E-mail.
Thanks, Bob L.

by: Scott P02/02/2023

Great products and fast shipping

by: Joe D.04/14/2017

Product came very quickly. I had two barn doors on a dump trailer that I wanted more support for closing, so I used this instead of a clasp. There is pressure pushing out from inside, and this keeps it solidly closed. Also having the long handle gives a little more leverage to push up and allow it to open with the pressure against it. I would definitely recommend this product to someone looking for a longer, more secure door latch.

by: Jen M05/20/2015

The service we received was excellent. Our Bar Locks arrived much faster than expected and were exactly as described. They were installed easily and a perfect fit. The only problem is now the shiny new bars don't match the rest of the rusty trailer.

by: Dale 07/10/2022

Everything about the transaction was great!! But when the package arrived the UPS driver wanted to make sure everything was there that I ordered. The box was a lot bigger than needed and the whole end was broken open to the place I could pull my parts out through it without using a knife. If there had been any smaller parts in the box they would have been gone. Just thought I’d let you know. But everything was there. Thank you!!

by: Steve H07/29/2019

I purchased this enclosed trailer lock system to use on my tool storage shed after being broken into. This thing is great. It has secured my shed and the way it mounts, they'd have to tear the shed down in order to get into it. The parts arrived on time, they were complete and I've been using it for a year. I live in rainy country and there are no signs of rust or aging at all. Great part and great value.

I love this lock system. I put it on a tool shed to prevent theft. It’s tough and smooth and easy to use. I live in the Pacific Northwest and it is holding up remarkably to our wet weather. Not a spec of rust anywhere.
Steve H - 07/31/2020

by: Travis 01/25/2023

Exactly what I ordered and was shipped and delivered within 3 days

by: Valeriy01/04/2023

Worked well.

by: Scott R05/01/2017

This was also used on our custom landscape truck to keep ramp door shut.

by: Mike05/05/2020

Fantastic hardware at an affordable price. Quality product. We have ordered 11 of these latches to weld onto a converted shipping container - turned storage units. We anticipate doing a bunch more orders of the same.

Very friendly staff that is quick to respond. Shipping was quicker than anticipated.

by: Matthew 11/21/2022

Fast shipping and vary helpful staff

by: Corey 11/26/2022

Best price I found

by: Kevin j06/22/2017

Changed a front dropdown hybrid camper tent door from screw clamps to these normal door latches for better sealing.
Not quite as heavy metal as older latches, but adequate for task and thick enough to weld. Robot welding is beautiful, some spatter berries to remove. Plastic cover plugs on ends were distorted damaged and ugly so I tossed those. Overall good rpoduct and worked well for intended purpose. Good price for the quality received.

Replaced screw clamp latches on front of a fold out camper with these cam locks. Better seal and more secure. I had to cut and weld to get length I wanted but overall worked well. Still rust free. Needs some oil on hinges occasionally, as to be expected. Would buy again if needed.
Kevin j - 06/24/2018

by: Thomas 10/01/2022

Quick (faster than promised) delivery!

by: Ryan12/30/2021

Product looks solid but is missing hard ware

I will have our customer service team reach out to you.
-- Etrailer Expert Jenny N - 12/30/2021

by: TJ Berry08/31/2014

The quality and the value of the product was great. I would have given a n excellent if the hinge holes had lined up with my existing holes. They were off by about 3/8 of an inch resulting in having to move the bar slightly to the right in order to drill new holes in the trailer. A measurement in your description that shows the distance from the top, lower hinge hole to the bottom, upper hinge hole would have prepared me for drilling new holes in the trailer and knowing the bar was going to have to be slightly crooked. Hope it holds up to the test. Thanks for rushing my order through...service was great!

by: Cheston01/18/2018

No issues with the product. I did however weld a piece of metal over the latch so thieves can't break it and gain entry, as well as rounded off bolts with a double nut on the interior. I also purchased a big box lock that goes with a solid pin. Without that it only takes a good pry to pop the latch and break in. etrailer has been great to do business with

by: Thomas 07/01/2022

I did get what I've ordered and it came fast..within 2 days.

by: John F09/11/2014

Product was everything I expected it to be. However, I did not expect so much difficulty in locating the specialized nuts and bolts so I could make a "flush-on-the-inside" installation of the "lock side-door bar lock assembly". They are hard to come by.

by: Cliffton10/08/2019

Everything fit perfectly and worked as intended

by: Kirk03/02/2017

Exact fit replacement which was easy to install. The detailed measurements provided on the etrailer web page made me confident that this would work without any modifications.

Etrailer communicated shipping status which made the whole buying process seamless.

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