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  1. Trailer Door Hinges
  2. Polar Hardware
  3. Strap Hinge
  4. Steel
  5. 8 Inch Long
  6. Non-Removable Pin
T-Strap Hinge for Enclosed Trailers - 8" Long - 180 Degree Rotation - Zinc Plated
Polar Hardware

T-Strap Hinge for Enclosed Trailers - 8" Long - 180 Degree Rotation - Zinc Plated

Part Number: PLR3408
In Stock
$34.94
Retail:$38.78
You Save: 10%
Trailer Door Hinges
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This T-strap hinge with a 1/2" pin helps keep your side or rear trailer door from dragging or sagging. Non-removable pin ensures maximum security to keep your cargo safe. Steel construction is durable and long-lasting. Great Prices for the best trailer door hinges from Polar Hardware. T-Strap Hinge for Enclosed Trailers - 8" Long - 180 Degree Rotation - Zinc Plated part number PLR3408 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (234)
  • Q & A (0)
  • Photos

Polar Hardware Trailer Door Hinges - PLR3408

  • Strap Hinge
  • Steel
  • 8 Inch Long
  • Non-Removable Pin
  • 2 Inch Wide
  • Bolt-On
  • Polar Hardware

This T-strap hinge with a 1/2" pin helps keep your side or rear trailer door from dragging or sagging. Non-removable pin ensures maximum security to keep your cargo safe. Steel construction is durable and long-lasting.


Features:

  • T-strap hinge replaces a worn-out or damaged hinge on your side or rear trailer door or barn door
  • Long strap provides more contact area with the door for excellent support
    • Helps keep the door in position and prevents sagging and dragging
  • Hinge lets door swing open 180 degrees
  • Non-removable pin ensures maximum security to keep your cargo safe
    • Prevents road vibration from knocking pin out of place
    • Helps prevent tampering and removal of door
  • Steel construction is durable and long-lasting
    • Seam-welded bracket and leaf offer extra strength and support
  • Made in the USA


Specs:

  • Overall hinge length: 9-5/8"
  • Bracket dimensions: 4-1/2" tall x 1-5/8" wide
    • Distance between mounting holes (center to center): 3-1/4"
    • Mounting hole diameter: 13/32"
  • Strap dimensions: 8" long x 2" wide
    • Distance between mounting holes (center to center): 2-7/16"
  • Pin diameter: 1/2"


3408 Polar Hardware Strap Hinge for Enclosed Cargo Trailer Doors - 180 Degree





Customer Satisfaction Score:

Ratings & Reviews

4.7

234 reviews
5 Stars
(199)
4 Stars
(20)
3 Stars
(7)
2 Stars
(2)
1 Star
(6)
Review Sort Icon
by:
fit my stealth trailer as a direct replacement. no drilling necessary
by:
Super fast service snd delivery!!
by:
Perfect fit. Made the job easy.
by:
Exactly what i was looking for. Good quality product. Fast service ??
Alain profile picture

Alain

10/23/2025

Still very satisfied.

by:
Usps said Sunday but finally got it on Wednesday but thats usps haha
by:
I would have given this hinge a 5 star rating if it had a grease fitting in it.
by:
These are great hinges. I have purchased these several times, utilizing them when constructing Dutch barn stall doors and large shed doors. These hinges dont sag, the zinc has been in the weather for a year with no rust unpainted. Dont waste money on other hinges. This is your best choice at a low cost.
by:
Great order experience, but lousy delivery. Days late and UPS simply threw it in our driveway. Every other delivery manages to at least drop it at the door. Disappointing.
by:
Well made, very sturdy.
by:
As always, easy to deal with and quick service
by:
exact fit and quick delivery!
by:
Perfect OEM replacement.
by:
Perfect fit and fast shipping!
by:
Perfect fit!!
by:
Shipped and arrived quick, which these days is getting harder AND HARDER TO find, even Amazon doesn't ship this quick anymore. Item fit perfect and high quality steel, very happy with product, also they made it very easy to order the correct product due to some very easy to understand measurements of the product, thank you..
by:
The perfect replacement part! Very fast shipping! Could not ask for anything better.
by:
Exactly what I needed. Perfect fit. Thanks
by:
these will fail in few years , no way to lubricate and will seize up and rust. For $[XX] these are not a good value
by:
Perfect fit, back on the road. Thanks
by:
Perfect match very happy with my purchase
by:
It fit perfectly
by:
Correct replacement for original hinges that broke. Seem to work well as long as keep then lubricated.
Terry profile picture

Terry

11/2/2021

Still ok, wish they had grease fittings for better lubrication.

by:
Top notch company
by:
They were just the way I ordered.Wish you could a grease fitting
by:
Excellent quality hinge, replaced my old rusty hinges off of my snowmobile trailer, I could notice the quality in the etrailer hinges immediately.
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See what our Experts say about this Polar Hardware Trailer Door Hinges

  • How to Measure for a Replacement T Strap Hinge on Horse Trailer
    Hi Erin, thanks for reaching out. I’m really glad you asked because getting the right T strap hinge on a 1999 Sooner makes a big difference in keeping that door aligned and swinging smoothly without any sag. The T strap hinge you’re looking at with part # PLR3408 is a solid option, but with older trailers there can be small variations, so the best way to be confident is to compare its specs to what you currently have. What you’ll want to check is the overall strap length and width, the...
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  • Looking For Door Hinge For 2009 King American Enclosed Trailer
    Hello Ian, thanks for reaching out. We do offer several styles of hinges and I am happy to take a look at your pictures. There is currently no way to add pictures to the comments on here, so just reply to the email that brought you to this page I can definitely take a look and see what we have for you.
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  • Dimensions of the Square Corner T-Strap Hinge PLR2208R
    Hey Dan. I do not have a database that shows me what parts are on your SnoPro trailer but I can give you the dimensions of the Square Corner T-Strap Hinge w/ Reverse Bracket item # PLR2208R you were looking at so you can compare it to yours. The Square Corner T-Strap Hinge item # PLR2208R measures 8" long x 2" wide. The bracket is 4-1/2" tall. The distance between the mounting holes from center to center are 3-5/16" on the strap and 3-1/4" on the bracket. The pin diameter is 1/2". What...
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  • Does the T-Strap Hinge for Enclosed Trailers Have a Weight Capacity
    Hey Doug, thanks for reaching out! The T-Strap Hinge for Enclosed Trailers # PLR3408 doesn't have a weight capacity. We've reached out to Polar a number of times about this, but they always come back with there is no weight capacity.
    view full answer...
  • Need Help Finding The Right Hinge For Horse Trailer Door
    Hello Andrew, thanks for reaching out We do offer replacement door hinges for horse trailers, in order to choose the correct one you'll need to note the type and measure its length. The T-Strap Hinge for Enclosed Trailers part # PLR3408 for example is a t-strap style hinge which measures approximately 9-5/8. There is no way to add pictures on here but you can email them to me at [email protected]. Send those over along with your measurements and I am happy to look into it.
    view full answer...
  • Does Come with Install Hardware
    Hey Montrell, the T-Strap Hinge part # PLR3408 does not come with install hardware. You would need to provide the hardware and pick what would work best on your trailer door based on what it's made of etc.
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  • Replacement Hinge Options for a Featherlite Horse Trailer
    We have a variety of door hinges that can work for your Featherlite horse trailer, but I wasn't able to find anything related to that part number so I'll need a photo and dimensions from you in order to find something that matches. Some of the more common ones in our linked selection are the following: - 5-1/2" Long x 3-1/4" Wide # PLR104SS - 8" Long x 2" Wide - 180 Degree Rotation # PLR3408 - 16" Long x 2" Wide - 270 Degree Rotation # PLR2216 Feel free to filter through our linked...
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  • How To Find Correct Replacement Door Hinge for Enclosed Trailer
    We do offer door hinges for enclosed trailers, in order to choose the correct one you'll need to note the type and measure its length. The T-Strap Hinge for Enclosed Trailers part # PLR3408 for example is a t-strap style hinge which measures approximately 9-5/8. I have attached for you below a full list of our hinge options from various manufactures.
    view full answer...
  • Replacement Strap Hinge For Trailer Door
    Thanks for the photo and it looks like you need a T-strap hinge; we don't have anything specifically for a 1993 Sooner trailer but you may be able to use the T-Strap Hinge # PLR3408. The mounting holes on this are 3-1/4" center to center and the strap itself is 8" long with holes 2-7/16" apart. Another option may be the T-Strap Hinge # 2512 which has a 12" strap. Its mounting holes are also 3-1/4" center to center with the strap having holes 3-5/8" apart. If none of these lengths are...
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    Image 1 for
  • How To Find Correct Replacement Door Hinges for Horse Trailer
    We do offer replacement door hinges for horse trailers, in order to choose the correct one you'll need to note the type and measure its length. The T-Strap Hinge for Enclosed Trailers part # PLR3408 for example is a t-strap style hinge which measures approximately 9-5/8. I have attached for you below a full list of our hinge options from various manufactures.
    view full answer...
  • Can PLR3408 T-Strap Hinge Be Used on Wooden Trailer Ramps
    I reached out to my contact at Polar, manufacturers of the # PLR3408 T-Strap Hinges and I was able to confirm that you can definitely use these to add the folding ability to your wooden ramps. Because you'll be rolling up equipment weighing up to 600 lbs, you'll want make sure to use at least 4 of # PLR3408.
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  • Distance Between Holes on T-Strap Hinge # PLR3408
    I went out to our warehouse and measured the T-Strap Hinge for Side and Rear Trailer Doors # PLR3408. The distance from the center of the mounting hole to the center of the closest strap hole is 3 inches. The distance from the center of the 1/2 inch pin to the center of the closest strap hole is 1-3/4 inches. I included a photo with a couple other helpful measurements as well: center on center of the vertical mounting holes is 3-1/4 inches and 2-7/16 inches center on center of the horizontal...
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    Image 1 for
  • Polar Hinge for 90 Degree Corner Compatibility
    The T-Strap Hinge for Side and Rear Trailer Doors - 8" Long - Steel # PLR3408 will not be ideal for a 90 degree corner as you can see the purposeful bend at the hinge on the strap end of the hinge that would limit this. A better option for that application is the T-Strap Hinge for Rear Trailer Doors - 12-3/8" Long - Steel # PLR4040, the Square Corner Hinge with Reverse Bracket - Polished Stainless Steel - 12" # PLR2212-SSP, or the Over the Seal Hinge - Narrow Bracket - Aluminum - 12" #...
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  • Dimensions on Polar Hardware T-Strap Hinge # PLR3408
    The Polar Hardware T-Strap Hinge # PLR3408 referenced in your question has a bracket dimension of 4-1/2 inches wide and 1-5/8 inches long. The overall length of the unit is 9-5/8 inches. I have also included an image with these dimensions labeled for you to check out.
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  • 8 Inch T-Strap Hinge For Trailer Door
    Hey there Sarah; for an 8 inch long T-strap hinge you can use the T-Strap Hinge for Enclosed Trailers - 8" Long - 180 Degree Rotation - Zinc Plated # PLR3408 or Stainless Steel # PLR3408-SS.
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  • Is a 90 Degree Hinge Rotation on a T-Strap Hinge Normal on a Trailer
    The hinge rotation is going to depend on the design of the T-strap hinge. For example, the Square Corner T-Strap Hinge w/ Reverse Bracket # PLR4040 is capable of a 270 degree rotation based on its design. The # PLR3408 only allows for 180 degrees of rotation. Unless something else is blocking them or limiting the movement, it is likely that 90 degrees is the limit of the hinges you currently have. I have attached a link to all of our available T-strap hinges if you would like to try to...
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  • Locating Replacement Strap Hinge for Trailer Door
    We do have a nice selection of strap hinges currently available. I have attached a link that will take you directly to these products. To pick out a replacement hinge, I recommend taking a few measurements on your existing unit and comparing them to the options we have available. For example, the Polar T-Strap Hinge # PLR3408 that you are looking at features an overall length of 9-5/8 inches. The bracket is 1-5/8 inches long and 4-1/2 inches wide, while the strap is 8 inches long and...
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  • How To Pick Out The Correct Shackle Hinge For An Enclosed Trailer
    We do carry plenty of strap hinges that'll work great with your trailer like the T-Strap Hinge for Enclosed Trailers # PLR3408, however in order to find the correct hinge I am going to need a bit more information. To pick out the correct hinge, I'm just going to need the measurements of your current strap hinge. For example, the T-Strap Hinge for Enclosed Trailers # PLR3408 measures 9-5/8" long, 4-1/2" wide, and has a bracket length of 1-5/8". If you're able to provide some more information,...
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    Image 1 for

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Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Jameson C
Expert Research:
Jameson C
Employee Cole B
Installed by:
Cole B
Employee Wilson B
Updated by:
Wilson B
Employee Mike S
Updated by:
Mike S
Employee Amanda M
Written by:
Amanda M

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