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  1. Trailer Tongue Lock
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  6. 2-3/4 Inch Span
etrailer Trailer Coupler Latch Lock - 2-3/4" Span - 1/4" Diameter - Chrome
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etrailer

etrailer Trailer Coupler Latch Lock - 2-3/4" Span - 1/4" Diameter - Chrome

Part Number: e39PR
281 Reviews | 13 Questions
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$27.30
 Trailer Tongue Lock
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etrailer trailer tongue lock latch
etrailer trailer tongue lock latch coupler - 2-3/4 inch span 1/4 diameter chrome
etrailer trailer tongue lock latch universal application
etrailer trailer tongue lock universal application
etrailer trailer tongue lock latch coupler - 2-3/4 inch span 1/4 diameter chrome
etrailer trailer tongue lock e39pr
etrailer trailer tongue lock universal application e39pr
etrailer trailer tongue lock universal application e39pr
etrailer trailer tongue lock e39pr
etrailer trailer tongue lock latch coupler - 2-3/4 inch span 1/4 diameter chrome
etrailer trailer tongue lock latch universal application

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0 trailer tongue lock etrailer latch coupler - 2-3/4 inch span 1/4 diameter chrome
0 trailer tongue lock etrailer latch e39pr
0 trailer tongue lock etrailer latch universal application coupler - 2-3/4 inch span 1/4 diameter chrome

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Designed for latch-style trailer couplers, this coupler lock has a covered keyhole and chrome plating to help prevent corrosion. Sturdy steel construction ensures long-lasting dependability. Great Prices for the best trailer tongue lock from etrailer. etrailer Trailer Coupler Latch Lock - 2-3/4" Span - 1/4" Diameter - Chrome part number e39PR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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etrailer Trailer Tongue Lock - e39PR

  • Keyed Alike
  • Latch Lock
  • etrailer
  • Steel
  • 2-3/4 Inch Span
  • Universal Application Lock

Designed for latch-style trailer couplers, this coupler lock has a covered keyhole and chrome plating to help prevent corrosion. Sturdy steel construction ensures long-lasting dependability.


Features:

  • Coupler lock secures the trigger latch on your trailer's coupler to deter theft
    • Trailer can't be removed from your tow vehicle when locked onto ball
    • Would-be thieves can't secure your unhitched trailer to their tow vehicle with the coupler locked either
  • Tamper-resistant design
    • Conical shaped housing ensures tight fit against coupler latch
    • Pick-proof screw-and-lock mechanism provides security
  • Rubber end and textured lock core make it easy to grip lock
  • Plastic cap covers key slot to help prevent internal corrosion
  • Sturdy steel construction
  • Chrome finish resists rust and corrosion
  • 2 Reversible, automotive-style keys included
  • Locks can be keyed-alike to match other etrailer locks
    • Select "Keyed Alike" from drop down menu above and enter number of locks into Quantity box
  • Made in the USA


Specs:

  • Application: trigger-latch-style (or lever-latch-style) ball couplers
  • Inside pin length (span): 2-3/4"
  • Overall length: 4-3/8"
  • Pin diameter: 1/4"
  • 1-Year warranty


etrailer Lock Compatibility

Note:

  • Lock can be keyed alike to match other etrailer locks.
  • To order keyed alike locks, select "Keyed Alike" from drop-down menu above and enter number of locks in Quantity box.


e39PR etrailer Trailer Coupler Latch Lock - 2-3/4" Span







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Customer Satisfaction Score:

Ratings & Reviews

4.6

281 reviews
5 Stars
(226)
4 Stars
(23)
3 Stars
(10)
2 Stars
(8)
1 Star
(14)
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by:
Easy to shop and it was the right fit.
Thanks for keeping me informed as to shipping and arrival.

Awsome product!
by:
I have been using this locking pin for a boat trailer with brakes and it works great. Other pins I have used are not strong and bend under load, but this one does not. This is the real deal.
by:
Absolutely awesome service!
by:
This is the only lock I could find that spans 2 3/4 inches! It works perfectly for my trailer and the design makes using bolt cutters to break it nearly impossible.
by:
Quick shipping and exactly as described
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I use this when pulling our teardrop camper. Works great, and I would buy it again because I like it that much. Thanks
by:
Great service. When lock arrived with incorrect key, a new lock was sent out same day and was not required to return the incorrectly key lock.
by:
Couple latch lock works perfectly. I saw that some were complaining about the rubber cap getting in the way while unscrewing or screwing it on to lock. If you just open the cap and let it spin freely, it works just fine. I would recommend this product for wider tongue latches. I will buy another one if this ever wears out!!
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by:
Great product. Customer service has been excellent from first contact, making it a pleasure to do business. Good service, good products, great people. Thank you!
Mike L. profile picture
Etrailer Expert

Mike L.

1/15/2026

Thanks, Andrew! I'm glad we could help!!

by:
Quick release locks would be better than having to turn the key for multiple turns. Hooking up to trailers and unhooking several times a week becomes a pain with these locks. Otherwise the locks are holding up.
by:
spare tire in place, thanks.
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by:
I’ve been using this lock on my bike rack every day for a year now. It’s been over a variety of terrain and all kinds is weather, hot, freezing and wet. No rust. No problems. It works flawlessly.
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by:
Product works as decribed. Well made. Only thing I dont like is how the lock parts must be threaded together with the key in the lock. I'm concerned the rubber dust cover will be torn off by my keys getting in the way.
Chris R. profile picture

Chris R.

12/17/2020

Item has held up well. Both I ordered still work as they should

by:
For over a year I've used this keyed alike trailer latch lock with three larger hitch locks in extended desert and winter weather both on and off road. It is great that all are keyed alike so I only have one key for four locks! This lock, as the other hitch locks, still locks/unlocks smoothly. I do wish eTrailer would offer heavy duty exterior weatherproof padlocks that could be keyed alike with these hitch locks. That way one key would work for all the hitches, storage shed, propane tank compartment, battery compartment, boat motor chain, boat storage compartment, bicycle lock, gate lock, tool box lock...that's a bunch of locks I'd buy again if I could get quality locks all keyed alike. Money burning a hole in my pocket.
by:
It is great that you can get several keyed alike. One key for several vehicles. The shaft is too short and does not fit the hitch lock on at least one of my trialers. Measure everything three times and buy once.
by:
Great service and quick shipping. It is great to have all of my couplers keyed alike.
Harry profile picture

Harry

7/23/2024

Locks still working great after a year

by:
The only time this is not installed is when I'm actually hooking up/disconnecting the trailer. It has not shown any sign of rust and the key lock works easily. Love the fact that most products have videos. Very helpful in choosing the correct product.
by:
Works great
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by:
The product is great and works just as it should. I did have it keyed to match the hitch lock on the truck. Also give credit to etrailer for correcting an issue with the first set not being keyed alike. They were quick to response and sent a new one out immediately and now the issue is fixed. I would highly recommend the product and etrailer.
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See what our Experts say about this etrailer Trailer Tongue Lock

Do you have a question about this Trailer Tongue Lock?
  • Will etrailer Anti-Rattle Hitch Collar Work With a BTBRV InstaLatch
    Hello Jason! Yes, the etrailer Anti-Rattle Hitch Collar # e38FV is compatible with the InstaLatch. Since it clamps around the outside of the receiver, it works without interfering with the built-in hitch pins on these ball mounts. You can also leave the collar installed when you remove the ball mount. Just keep in mind that the # e38FV is rated for trailers up to 7,000 lbs, while the InstaLatch ball mounts are rated for 10,000 lbs. If you're towing over 7,000 lbs, you can leave the collar...
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  • Can the InfiniteRule Lock for Demco eZ-Latch Trailer Couplers Be Keyed Alike?
    Hey Oliver, welcome back. The InfiniteRule Lock for Cast Demco eZ-Latch Trailer Couplers item # IR66FR can not be keyed alike. To get multiple locks keyed alike that are compatible with the Demco EZ-Latch like item # 12660-97SP, you'll need to go with our etrailer Surge Brake Coupler Lock item # e98887 for a 2-1/2" span or item # e39PR for a 2-3/4" span. Please note that you will need to purchase the locks at the same time and select the "keyed alike" option from the drop down above...
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  • BTBRV InstaLatch Dual Ball Mount vs Curt C45002
    Hey Daniel! Both the BTBRV InstaLatch # BTBRV012 and Curt # C45002 have a 2" and 2-5/16" ball on a straight shank, but I'd recommend the InstaLatch hands down. The InstaLatch has built-in hitch pins and a push-button release, so you can quickly remove and flip it without dealing with a separate hitch pin. This goes a long way when you're towing frequently. It is also rated for 10,000 lbs of trailer weight and 1,000 lbs of tongue weight. The Curt uses a standard hitch pin and has different...
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  • Easy-to-Remove Ball Mount for a 2026 Ford F-150
    Hey Adam! For your needs I recommend the BTBRV InstaLatch # BTBRV006. This has the 2" ball and 2" drop you're looking for, and its built-in pins engage your receiver without having to slide a separate hitch pin through. The release plate makes it easy to pull the mount back out when you’re ready to install your bike rack. Just secure the release with the included wire lock pin before towing. Since it doesn't have a standard hitch pin, you can add the # e39PR if you want to keep it secure....
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  • How Does the BTBRV InstaLatch Stay in the Receiver Without a Hitch Pin
    Hey Shawn! The BTBRV InstaLatch Ball Mount # BTBRV008 has built-in spring-loaded pins that engage the hitch pin holes in your receiver. The red plate operates those pins; it isn't simply a handle holding the mount in place. Pull the plate while inserting the mount, release it, and slide the mount until both pins fully engage. Then install the included wire lock pin through the release assembly so it can't be operated accidentally. You can also replace that pin with the etrailer Lock #...
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  • Choosing the Right Ball Size and Drop for a BTBRV InstaLatch Ball Mount
    Hey Eric! All six BTBRV InstaLatch Ball Mounts have the same 10,000 lb towing capacity and 1,000 lb tongue weight capacity. The difference is the ball size and amount of drop, so you'll want to match the ball to your trailer's coupler and choose the drop that keeps your trailer level. We have the following available: -BTBRV InstaLatch - 2" Drop # BTBRV006 (2" Ball) or # BTBRV009 (2-5/16" Ball) -BTBRV InstaLatch - 4" Drop # BTBRV007 (2" Ball) or # BTBRV010 (2-5/16" Ball) -BTBRV InstaLatch...
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  • Recommended Trailer Coupler Latch Lock
    Hey Lonnie, welcome back. The 7/8" Span etrailer Trailer Coupler Latch Lock item # e98889 you were looking at is going to be the best style of trailer tongue lock we have that can be keyed alike. We have these in quite a few different spans but they all fit 1/4" pin diameter like the Demco item # DM14793-81 and item # DM14040-95 you purchased this year. I have listed our options below: 2" Span item # e98886 2-1/2" Span item # e98887 2-3/4" Span item # e39PR 3-3/8" Span item # e98888 You...
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  • Recommended Coupler Lock for 2025 Sealion Boat Trailer
    Hey Paul! If you want a solid lock that is also a good visual deterrent I recommend the BulletProof Hitches Extreme Duty Coupler Lock # BPH96VR. This is a universal surround style lock that is incredibly hefty and looks the part. If you're looking for a simple lock you can run a pin through the hole in the coupler like # e39PR. This has a 1/4" diameter with a 2-3/4" span so you will have to measure to make sure it will fit first.
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  • What Drop Hitch Do I Need for a 2027 Chevy Tahoe
    Hello Mel! Based on those measurements, you need a 4" drop, so I’d recommend the BTBRV InstaLatch Ball Mount # BTBRV007. It comes with the 2" ball already installed and torqued, and the quick-release design makes it easy to remove when you aren’t towing. We have the following available with a 2" ball: -BTBRV InstaLatch - 2" Drop # BTBRV006 -BTBRV InstaLatch - 4" Drop # BTBRV007 -BTBRV InstaLatch - 6" Drop # BTBRV008 The drop should be chosen from your actual measurements rather than...
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  • What Size Drop Ball Mount Do I Need for a Lifted Chevy Silverado 1500
    Hi Travis! I recommend the BTBRV InstaLatch Ball Mounts. These have a 2-5/16" ball already installed and torqued, and the quick-release design makes it easy to remove the ball mount when you aren't towing. We have the following available with a 2-5/16" ball: -BTBRV InstaLatch - 2" Drop # BTBRV009 -BTBRV InstaLatch - 4" Drop # BTBRV010 -BTBRV InstaLatch - 6" Drop # BTBRV011 To find the correct drop, measure from the ground to the top inside edge of your receiver, then subtract the height...
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  • What Size Lock Fits a BTBRV InstaLatch Ball Mount
    Hi Trevor! A regular receiver lock won't work with the BTBRV InstaLatch Ball Mount # BTBRV009 since it uses built-in hitch pins. Instead, you need a lock with a 1/4" diameter pin that fits through the release mechanism. I recommend the etrailer Lock # e39PR. It has the correct 1/4" pin diameter and a 2-3/4" usable span, so you can use it in place of the included wire lock pin to keep someone from releasing and removing the ball mount. Are you planning to leave the ball mount installed...
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  • Locking Pin Recommendation to Replace Snapper Pin on etrailer 12.5K Sleeve-Lock Trailer Coupler
    To replace the Snapper Pin # CA-5196-PN that came with your 12.5K Sleeve-Lock Trailer Coupler # CTA-296 I recommend checking out the etrailer Trailer Coupler Latch Lock # e39PR. This is a great solution because our locks resist the elements really well, but it also has the perfect length for this coupler so you won't have a lot of excess pin sticking out the side of the coupler. This not only looks nicer but it also makes it more difficult to get tools like cutters in behind the lock to...
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  • Recommended Surge Brake Coupler Locks that Can Be Keyed Alike
    Hey Jerry. I have a solution for you but the InfiniteRule Lock item # IR66FR can not be keyed alike. Instead, I recommend one of our etrailer Surge Brake Coupler Locks like item # e98888 that can be. We have quite a few of these for different style couplers and so long as you order them at the same time and select Keyed Alike before you add them to your cart they all can be controlled by the same key. I have listed our options below by their usable span. The span is the width of the coupler...
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Do you have a question about this Trailer Tongue Lock?


Info for this part was:

Employee Lindsey S
Edited by:
Lindsey S
Employee Amanda M
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Amanda M
Employee Jeff D
Installed by:
Jeff D
Employee Wilson B
Updated by:
Wilson B
Employee Michael B
Updated by:
Michael B
Employee Sabrina W
Updated by:
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Employee Cody B
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