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  6. 2-1/2 Inch Span
etrailer Surge Brake Coupler Lock - 2-1/2" Span - 1/4" Diameter - Chrome

etrailer Surge Brake Coupler Lock - 2-1/2" Span - 1/4" Diameter - Chrome

Item # e98887
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Trailer Coupler Locks
Shipping Weight: 0.53 lbs
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Designed primarily for brake actuators that lock through the body, this lock has a covered keyhole and chrome plating to help prevent corrosion. Steel construction ensures long-lasting dependability. Can be keyed alike to match other etrailer locks. Lowest Prices for the best trailer coupler locks from etrailer. etrailer Surge Brake Coupler Lock - 2-1/2" Span - 1/4" Diameter - Chrome part number e98887 can be ordered online at or call 1-800-940-8924 for expert service.
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  • Reviews (114)
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  • Why etrailer?

etrailer Trailer Coupler Locks - e98887

  • Latch Lock
  • etrailer
  • Keyed Alike
  • Universal Application Lock
  • 2-1/2 Inch Span

Designed primarily for brake actuators that lock through the body, this lock has a covered keyhole and chrome plating to help prevent corrosion. Steel construction ensures long-lasting dependability. Can be keyed alike to match other etrailer locks.


  • Coupler lock secures the ball coupler of your trailer brake actuator 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
  • Large span is ideal for trailer brake actuators that fit 2" balls
  • 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


  • Application: surge brake couplers that lock through the body
  • Inside pin length (span): 2-1/2"
  • Overall length: 6"
  • Pin diameter: 1/4"
  • 1-Year warranty

etrailer Lock Compatibility


  • 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.

e98887 etrailer Coupler Lock

Alternate part number: 7692

California residents: click here

Customer Reviews

etrailer Surge Brake Coupler Lock - 2-1/2" Span - 1/4" Diameter - Chrome - e98887

Average Customer Rating:  4.9 out of 5 stars   (114 Customer Reviews)

Designed primarily for brake actuators that lock through the body, this lock has a covered keyhole and chrome plating to help prevent corrosion. Steel construction ensures long-lasting dependability. Can be keyed alike to match other etrailer locks.


Durable and easy to use. Really wanted a keyed-alike locks for the hitch and the trailer coupler, and etrailer was able to make that happen. I'm sure someone with the right equipment and a big set of balls could cut through these if they really wanted to, but so far that hasn't happened. Makes me feel a lot better knowing that my trailer is going to be there when I'm doing fishing 99% of the time.


Great hitch lock, love that it is stainless steel, and well made.


It was nice to be able to have two of these locks keyed the same as a larger one so that I only needed one key instead of three.


I received excellent customer service from Brenden C. The 2-1/2" trailer coupler lock fits perfectly on my trailer with bulldog-type hitch coupler (excellent fit/very secure). The keyed-alike option makes life easy - only 1-key for all locking devices. I highly recommend (great people providing excellent customer service!)


Easy to install and I like the way the key tightens the axle of the lock. I did make one easy modification for my use. I added a nut as a spacer so when locked, no part of the axle shows. This makes it a little more difficult for someone to saw off the thinner axle part. See two pictures attached.


While etrailer has really great products of which this is only one, of the highest value to me is the quality and integrity of their people. I contacted them via the online purchase portal asking for different products and multiples of those products all keyed alike resulting in a dozen items with one key. Well it did not do as planned on my end but in the end and with no monetary compensation at all I have what I hoped for all untangled skillfully by Victoria G. I will never hesitate to make my purchases at etrailer, a customer for life!


Works great. I would purchase again.


The boat trailer latch lock is well made and will protect any one’s
Valuables on a trailer from being cut off and stolid. There’s a lot of thieves waiting on you to make a mistake. Secure your belongings with etrailer and have peace of mind.


This is the second coupler lock I've ordered from e-trailer, I lost my first one by my own doing but like this lock so much I had to order another.


High quality, affordable price, fit perfect on my boat trailer..

Still working like new a year later...
Rodney - 07/25/2021


Fits my Tracker trailer perfectly.


Great product. Fits tight and looks great on my trailer.


I am really quite happy with these locks (I purchased 4 that are keyed alike). They are a bit unusual in that the whole locking chamber rotates separate from the rest of the lock several time to open it (I learned to hold the key still and rotate the body of the lock).
Two of mine are on trailers outside and have shown no rust or other issues in one year.


Great Company. I got a personal email from George telling me when my had shipped.


Item arrived promptly and was just what I was looking for. Fit like a glove and is easy to get on and off.


Already had one that I was pleased with.
keyed alike locks for 4 trailers. Was able to swap a new key mechanism with my old pin.


Looks great.


Fits good on my Ranger RB190 Trailer


Great product - order 2 more for the ki ds


Surge brake coupler lock has worked perfectly. I take my boat out almost every day for the last year and the lock shows no signs of wear and tear for this daily use.


Fast and easy. Great product. Would highly recommend. Thank you.


This is just what I was looking for. Fits my surge brake coupler on my MasterCraft boat trailer. I wish was stainless steel like my drawbar hitch one that I got from ETrailer, but it still looks good and will do what I need.


As a tournament walleye angler for over 20 years , I have been trailering a boat around this great country of our. And the etrailer lock has never been more helpful in letting me have the security and piece of mind that my equipment is going to be safe. Thanks Again etrailer for all your great service.


Great trailer hitch lock - exactly what I wanted and needed. Only thing that could have made my shopping experience faster would be pictures and names of different types of trailer hitches. I wasn't sure about 7692 until I watched one of the videos that clearly showed the lock on my hitch. I don't know how many different types/styles/designs of trailer hitches there are so I don't know how many locks would NOT work on my hitch. Sometimes you have to shop by 'process of elimination' but if you don't know how many products are wrong, it's tough to know which is right.


This is nice - quick way to secure the trailer coupler. I thought that twisting the key a few times would be more hassle than just the push and click type. I found I could just hold the key in twist the other end - as they do in their video! Duh. It is nice they come in various lengths and you can get them with the key coded to their receiver lock. Now if they could just make a lock that covers the ball too and use the same key - that would be great. Can't have too many locks on your trailer. This now lives on my trailer - I did use some light oil in the lock to make it easier to use down the road.

Show More Reviews

Ask the Experts about this etrailer Trailer Coupler Locks

  • Recommended Trailer Coupler Lock with At Least 1-1/2 Inch Span
    Our Coupler Lock # e98887 that you referenced is a great option for helping to prevent theft of your trailer, however we are not able to key it alike to your N009 key. This lock does feature a 2-1/2 inch span, which sounds like it will work great for your coupler, and 2 keys are included. This particular lock can be ordered keyed alike if you wish, meaning if you order more than one and select the "Keyed Alike" option on the product page, each coupler lock will be compatible...
    view full answer...
  • Recommended Keyed Alike Trailer Coupler Lock
    It sounds like you are looking for trailer coupler locks that can be keyed alike. I recommend the etrailer Surge Brake Coupler Lock - 2-1/2" Span - 1/4" Diameter - Chrome # e98887 that has a 2-1/2" span making it perfect for securing the coupler on your trailers, and by selecting the keyed alike option and change the quantity to 3 you will get all 3 locks with the same key. I included a video of the # e98887 for you to take a look at.
    view full answer...
  • Coupler Lock Available to Fit UFP A-60 Coupler
    Yes, the Trailer Coupler Lock # e98887 that you referenced will work with a UFP A-60 coupler lock. The product picture for this lock shows it being used on an A-60. I attached a review video for you to check out as well.
    view full answer...
  • Recommended Lock Pin for Trailer Coupler Latch
    It sounds like you are looking for the etrailer Trailer Coupler Lock part # e98887 which is a pin lock designed to secure the latch mechanism on a trailer coupler. It has a usable span of 2-1/2" and is 1/4" diameter like you said you needed.
    view full answer...
  • Recommended Locks for Side Ramps On Aluma Trailer
    The etrailer Surge Brake Coupler Lock part # e98887 has a useable length of 2-1/2", the pin diameter is 1/4", and it can be ordered keyed alike. If ordered with the etrailer Trailer Hitch Receiver Lock part # e98880 as well and the keyed alike option was selected they'd all come with the same key number.
    view full answer...
  • Best Coupler Lock for Demco Channel Tongue Coupler
    My best recommendation is the etrailer Surge Brake Coupler Lock # e98887. This lock fits into either one of the two pin holes of your coupler # 12564. This locks your latch into place so one can't disconnect it from your tow vehicle. It also works when your trailer is stored unhitched since thieves can't hitch your trailer to their vehicle with this lock in the way. Another popular lock for trailer storage is the etrailer Trailer Coupler Lock for Flat Lip Couplers # e98893. This completely...
    view full answer...
  • Recommended Coupler Lock To Lock Demco Surge Brake Coupler DM8104311 To Tow Vehicle
    You absolutely can! To lock the coupler latch of the Demco Hydraulic Brake Actuator # DM8104311 you were looking at to the hitch ball on your vehicle you will need to use the coupler lock # e98887 which gets inserted into the hole on the latch shown in the included diagram. This makes it so that the trailer coupler cannot be removed from the hitch ball, and you can do the same thing when storing the trailer that way no one can hook their vehicle up to the trailer and take it. I included...
    view full answer...
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  • Coupler Latch Lock Pin Recommendation for my 2-5/16" Coupler
    The etrailer Surge Brake Coupler Lock part # e98887 is perfect for your needs. It has a 2-1/2" useable span and is 1/4" in diameter. This is the size they use for these. I understand it is 1/32" smaller that your request but it is designed for your purpose. I've included a video I did on the lock for you to check out and see some more specifics on it.
    view full answer...
  • Trailer Coupler Latch Lock for 2-1/2 Inch Wide Coupler Latch
    Bulldog lock # BD580410 would not be ideal for you if you need 2-1/2 inches. Instead I recommend our lock # e98887 that does have a 2-1/2 inch span when locked.
    view full answer...
  • Span of Pin on Bulldog Trailer Coupler Latch Lock # BD580409
    When Bulldog coupler lock # BD580409 is locked the span of the pin is 3-5/8 inches. For a 2-1/2 inch span I recommend our lock # e98887.
    view full answer...
  • Locking Pin That Will Fit On The Upright Mast Of The Rhino-Rack T-Load Load Part # RRRTL001
    I have the perfect solution for you to lock the upright mast to the horizontal load bars on your Rhino-Rack T-Load Load Assist and Support Bar part # RRTL002. As you have identified the opening of having a 1/4" diameter, you will want the Trailer Coupler Lock part # e98887. The locking pin also has a span of 2-1/2" therefore, will work on your 2" diameter shaft. You will also want to drill a 1/4" hole through the inner shaft in order for this pin to the lock the two together.
    view full answer...
  • How to Get etrailer Coupler & Hitch Locks Keyed Alike
    You can get those locks all keyed alike, but there isn't a set with all three together. Instead, what you'd do is go to the product pages of each, and on those product pages there is a drop-down box that says "Keyed Alike?" and you'd select the keyed alike option for each lock: - etrailer Trailer Hitch Receiver Lock for 2" Hitches # e98880 - etrailer Surge Brake Coupler Lock - 2-1/2" Span - 1/4" Diameter # e98887 - etrailer Trailer Coupler Latch Lock - 7/8" Span - 1/4" Diameter # e98890 When...
    view full answer...
  • Trailer Coupler Latch Lock with 1/4 Inch Diameter and 2-1/2 Inch Span
    Trailer coupler lock # e98887 has a 1/4 inch diameter and 2-1/2 inch span. It is designed to be flush and just wide enough for a 2-1/2 inch span. It is the same as # e98886 but longer. We also have # e98888 with a 1/4 inch diameter and 3-3/8 inch span if you want something that is even longer but it would not be flush with the sides of the latch on the coupler.
    view full answer...
  • Trailer Coupler Latch Lock for a 2-1/2 Inch Wide Latch
    Our coupler lock # e98887 is designed to work on a coupler width up to 2-1/2 inches. Since that is what you have on your coupler, this lock will fit and it will be a nice snug fit, which is by design. For a second option I recommend the Bulldog adjustable coupler lock # BD580410. It has a useable span of 3/4 of an inch up to 2-7/8 inches which will allow for a little more wiggle room if that is something you want. I have included links to videos on both locks for you.
    view full answer...
  • How Long Should Hardware be to Install the Demco A-Frame eZ-Latch Trailer Coupler
    I'd be happy to help you out with your questions on the Demco A-Frame Trailer Coupler # DM14793-52. 1. Yes, you can remove your old welded on coupler by using a grinder to cut the welds. Another popular option is to use a torch to cut the welds but either way is fine. 2. The 1/2" grade 5 bolts are correct and the length really just depends on your trailer frame. You basically just need to make sure they are long enough to reach through both the coupler and your frame and still have enough...
    view full answer...
  • Can Coupler Lock # e98887 Work to Lock B&W Companion OEM 5th Wheel Hitch to Ford Truck
    The rotating handles on the B&W Companion OEM 5th Wheel Trailer Hitch # BWRVK3600 feature a 3/8 inch holes for the included pin to keep them in place so our Coupler Lock # e98887 that you referenced, which features a 1/4 inch pin diameter, would fit and work well to lock the handles. This will secure the hitch to the bed of your Ford truck when it's not in use to deter theft. I do still recommend using the original pins and clips to secure the legs when you're actually towing....
    view full answer...
  • Pin Lock Recommendation for Trailer Coupler # DM15000-52
    Best option we have is the part # e98887 for a pin lock for the Demco coupler part # DM15000-52. This has a pin diameter of 1/4 inch and a length of 2-1/2 inches so it will fit tight to your coupler and fit well still.
    view full answer...
  • Recommended Coupler Lock for 2020 Airstream Flying Cloud with Demco eZ Latch Coupler
    The best locking device we have for a 2020 Airstream Flying Cloud with Demco eZ Latch Coupler is the etrailer Trailer Coupler Lock part # e98887. There should be a pin hole on the side of the coupler which this lock will fit into and stop either a hitch ball from being coupled or uncoupled. If you are looking for a wrap-around style lock, you could use the Fastway Universal Trailer Coupler Lock part # DT25013KA. That said, you could use both lock styles as well if needed.
    view full answer...
  • Lock Recommendation for Demco DM13689-95 eZ-Latch Coupler
    For the Demco # DM13689-95 eZ-Latch coupler, we recommend the # e98887 which would install into the hole indicated in the photo I've provided.
    view full answer...
    Image 1 for
  • Lock Solution for Demco EZ Latch Surge Actuator
    For a Demco EZ latch coupler actuator like the part # DM62VR you referenced we have the etrailer pin lock part # e98887 which would work great. This pin installs in the hole between the latch and where it attaches to the ball.
    view full answer...
  • Coupler Pin Locks that Can be Keyed Alike
    We have coupler pin lock locks that can be keyed alike like the part # e98888 which has a span of 3-3/8 inches and # e98887 which has a 2-1/2 inch span. Or even # e98890 with a 7/8 inch span or # e98886 which has a 2 inch span. On the product page you'll select keyed alike on the drop down menu and all of the locks will use same key.
    view full answer...
  • Recommended Coupler Lock for Low-Profile Trigger
    For your A-frame coupler similar to the Fulton # FE443050303, I recommend the Trailer Coupler Lock - Deadbolt Style for Surge Brake with 2-1/2" Span # e98887. This lock will allow the ends of the lock to be on either side of the coupler giving you the compatibility with low profile trigger. Another option is the Master Lock Adjustable Trailer Coupler Lock - Stainless Steel # 2847DAT which will allow more of a custom fit.
    view full answer...
  • Recommended Trailer Coupler Lock With 2-1/2" Span That Can Be Keyed Alike
    I have another option for you but the MaxxTow Coupler Latch Lock for Surge Brake Actuators - 2-1/2" Span - 1/4" Diameter # MT46FR you were looking at cannot be ordered keyed alike. Instead I recommend the etrailer Surge Brake Coupler Lock - 2-1/2" Span - 1/4" Diameter - Chrome # e98887 which has the same 2-1/2" span and 1/4" diameter but can be keyed alike by selecting the keyed alike option on the product page above the add to cart button. Since you are wanting 4 or 5 you will just need...
    view full answer...
  • Boat Trailer Coupler for 3" Frame Boat Trailer with 3 Bolt Holes
    I recommend the Demco Channel Tongue Trailer Coupler # DM13689-52. I have included (below) a picture of the bolt measurements for you to compare for your trailer. It is made of sturdy steel with a silver powder coat finish, making it ideal for marine applications. eZ-Latch ensures fast, easy, secure hookup and disconnect. It is rated for 10,000lbs of trailer weight and uses a 2" ball. Be sure to pick up Coupler Lock # e98887 so that you can lock the trailer up and protect it when attached...
    view full answer...
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