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  1. Hitch Pins and Clips
  2. JR Products
  3. Snapper Pin
  4. 1/4 Inch Diameter
  5. 3-1/2 Inch Span
  6. 3-1/2 Inch Long
Coupler Pin - 1/4" Diameter x 3-1/2" Long
JR Products

Coupler Pin - 1/4" Diameter x 3-1/2" Long

Part Number: 37201211
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$8.14
Retail:$16.26
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Spring-tensioned, zinc-plated steel snapper pin prevents your trailer's coupler from unlatching and releasing from your hitch ball. Pin measures 1/4" diameter x 3-1/2" usable length. 1-800-940-8924 to order JR Products hitch pins and clips part number 37201211 or order online at etrailer.com. Free expert support on all JR Products products. Great prices and Fastest Shipping for Coupler Pin - 1/4" Diameter x 3-1/2" Long. Hitch Pins and Clips reviews from real customers.
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JR Products Hitch Pins and Clips - 37201211

Highlights

  • Spring-tensioned design: Ensures a strong hold, preventing coupler unlatching.
  • Zinc-plated steel: Offers corrosion resistance for lasting durability.
  • Fits 1/4" diameter x 3-1/2" length: Ideal for various trailer coupler configurations.
  • Snap lock bail: Enhances safety and security with its reliable snap feature.
  • Versatile use: Perfect for safety, peace of mind on Demco and various hitches.
  • Easy latch compatibility: Suitable for trailers needing extra secure pin fittings.

Features to know about

Secure Your Trailer with Confidence: Spring-Tensioned Snapper Pin

Worried about your trailer's coupler unlatching unexpectedly? The spring-tensioned design of this snapper pin ensures a strong, unwavering hold that keeps your trailer securely connected to your hitch ball. Its 1/4" diameter and 3-1/2" length make it an ideal fit for most trailer setups, sealing the deal on peace of mind during your travels.

Built to Last: Corrosion-Resistant Zinc-Plated Steel

Say goodbye to rust and corrosion with the robust zinc-plated steel construction of this coupler pin. Not only is it durable, but its corrosion-resistant feature means it maintains its integrity over time, even in harsh weather conditions. This ensures you have a trusty pin that won't compromise safety or appearance.

Perfect Fit for Demco Couplers: Customizable Design

Do you own a Demco style coupler? This pin fits seamlessly once you bend the spring latch portion to suit your specific needs. Tailor-made modifications might be required, but once adjusted, it locks in perfectly, providing you with a secure connection that's both reliable and hassle-free.

Streamlined Coupler Connection: Flat-Bail Form

The flat-bail design not only enhances the ease of use but also optimizes the arrangement of trailer cords. With this feature, there's ample room to feed through your trailer cord, video camera cord, and breakaway cord all at once, preventing any tangled messes. Plus, the design allows for adequate clearance between the coupler and your tailgate.

Peace of Mind with Safety Lock: Additional Coupler Protection

Looking for an inexpensive way to enhance your trailer's security? This coupler pin, acting as an additional safety lock, provides added security to your trailer's coupler. Keep your valuable trailer secure and put your mind at ease with this simple yet effective locking solution.

Specs

Specifications:

  • Pin diameter: 1/4"
  • Usable length: 3-1/2"

01211 JR Products Safety Lock Pin - 1/4" Diameter x 3-1/2" Useable Length




California residents: click here


Video of Coupler Pin - 1/4" Diameter x 3-1/2" Long

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




Video Transcript for Breaking Down the Coupler Pin

Howdy neighbor, Adam here with etrailer. Today, we're gonna be taking a look at a coupler pin. So we have a lot of these on our website, but some are gonna be better for other couplers than the others. So with this one, it's gonna be 3 1/2 inches long, and it's gonna have a diameter of about 1/4 inch. So make sure that your hole is gonna be nice and sized right so we can fit this on here. This is gonna be great for the easy lock couplers, as you see here, it's plenty long, and it is gonna be made of steel with a zinc coating, so it's not gonna rust away over time.

So it'll look good just like our powder-coated coupler here. And it is a little spring latch, you just lift this up and clip it in. You can use it on couplers like this, it might be a little overkill since it's so long. We really don't need a long one for this. We do have a shorter one we just did a video on, and that's on our website as well.

So it will work for this, but it's a little big. And that'll do it for our look at the zinc-plated 3 1/2 inch coupler pin..

Customer Satisfaction Score:

Ratings & Reviews

4.8

349 reviews
Spring-tensioned, zinc-plated steel snapper pin prevents your trailer's coupler from unlatching and releasing from your hitch ball. Pin measures 1/4" diameter x 3-1/2" usable length.

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See what our Experts say about this JR Products Hitch Pins and Clips

  • Comparing Demco Channel Tongue Trailer Couplers # DM16080-95 & # DM15931-95
    The only difference in the Demco Channel Tongue Trailer Couplers # DM16080-95 and # DM15931-95 is going to be the bolt pattern. One will have the 5-Bolt hole pattern and the other is going to have 4-Bolt holes. I have included images below showing the measurements for each of these bolt patterns to compare with what you have on your trailer. The etrailer Surge Brake Coupler Lock # e98888 will allow you to secure the coupler while attached to your vehicle. We also have a Pin # 37201211...
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  • Can The Lippert RV Spare Tire Carrier Winch Be Locked In Place To Prevent The Tire From Dropping?
    There is no way to lock the Lippert RV Spare Tire Carrier with Winch # LC159041 as it ships from the factory. You would need to weld on a tab which would allow you to use a Pin # 37201211 by drilling a hole through the tab and shaft for the winch. We do have a Replacement Winch # LC159056 you can use to replace your current winch since the internal brake is not holding the tire in place. Lippert does note with these to not over crank or use any power tools to raise/lower the tire as that...
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  • Can Coupler Pin Be Added To Demco Trailer Coupler
    Yes, you can use a coupler pin or safety pin with the Demco Trailer Coupler # DM14040-81. A pin like the # 37201211 will fit the 5/16" pin hole or you can use the etrailer Surge Brake Coupler Lock # e98888 if you want even more security.
    view full answer...
  • Recommendation for a Handle Locking Pin on the Reese Titan 20k Sliding Hitch
    Good news, I was able to find 3 pins that will work for you. The Torklift Turnbuckle Pin Lock # TL11001, Roadmaster Coupler Padlock # RM-305, and the Husky Safety Lock Pin # 37201211 were the three pins I found that will fit through the hole in the handle. I tested all of these options and would recommend the # TL11001 because it was the easiest to insert and remove and is a locking pin. Alternatively, the Roadmaster Padlock was very tight and the Husky fit just fine but doesn't have...
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  • replacement Pin for an Old Thule Rac N Lock Carrier
    Do you have a way to measure the opening? For this purpose even a ruler would suffice in showing the diameter that would fit versus what would not. Pin # Y8780020 is a 3/8 inch diameter which is about as small as you are going to find for pins like this. Everything else is going to be 1/2 inch or larger. Outside of replacement bike rack parts we have snapper pin # 14-212TR which is a small 1/4 inch diameter. The same for # 14-238 and the longer # 37201211.
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  • Trailer Coupler Safety Pin with At Least 3 Inch Span
    The best option we have for you is the Snapper Pin part # 14-212TR which is 1/4" diameter with a 2-1/2" usable span. The only option we have with both a 1/4" diameter and at least 3" usable length is the Trailer Coupler Pin part # 37201211 which has a square shaped bale, not the half moon shape you are after. If you would like a locking coupler lock we have the Trailer Coupler Lock part # e98888 which is 1/4" diameter with a 3-3/8" usable span.
    view full answer...


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Kathleen M
Installed by:
Kathleen M
Employee Adam E
Installed by:
Adam E
Employee Dustin K
Video Edited:
Dustin K
Employee Chris R
Video by:
Chris R
Employee Wilson B
Updated by:
Wilson B
Employee Mike S
Written by:
Mike S

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