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  1. Trailer Tongue Lock
  2. Fastway
  3. Fits 1-7/8 Inch Ball
  4. Fits 2 Inch Ball
  5. Fits 2-5/16 Inch Ball
  6. Keyed Alike
Fastway Universal Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers - Key 316

Fastway Universal Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers - Key 316

Item # FA86-0015-316
Retail:$71.80
Our Price: $54.69
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Trailer Tongue Lock
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Protect just about any trailer from theft with this universal coupler lock, which uses a unique "ball" and shackle to fit a variety of coupler sizes and styles. Secures trailer when it is not in tow. Great Prices for the best trailer tongue lock from Fastway. Fastway Universal Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers - Key 316 part number FA86-0015-316 can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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  • Reviews (916)
  • Q & A (0)
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Fastway Trailer Tongue Lock - FA86-0015-316

  • Fits 1-7/8 Inch Ball
  • Fits 2 Inch Ball
  • Fits 2-5/16 Inch Ball
  • Keyed Alike
  • Surround Lock
  • Fastway
  • Universal Application Lock

Protect just about any trailer from theft with this universal coupler lock, which uses a unique "ball" and shackle to fit a variety of coupler sizes and styles. Secures trailer when it is not in tow.


Features:

  • Universal design protects most trailers from being towed away
    • Multistep Uni-ball fits into any size ball coupler
    • Unique bend in reversible shackle lets it snug up tight to most types of couplers or coupler latches, including:
      • A-frame, straight channel, round tongue, flat plate and surge-type couplers
      • Trigger, pin, thumb and wraparound yoke latches
  • Tube key lock cylinder provides better security than standard key mechanisms
    • Harder to pick
    • More difficult to duplicate keys
  • Anti-drill pin discourages attempts to drill out the lock
  • Bolt-blocked locking system prevents thieves from prying the lock open
    • Uses internal bolts to engage the shackle's notches
  • Hardened, chrome-plated shackle and nickel-plated housing
  • 2 Keys included per lock
    • Key number: 316
  • Quantity: 1 lock


Specs:

  • Fits most 1-7/8", 2" and 2-5/16" ball couplers
    • Maximum coupler width: 4-1/2"
  • Shackle diameter: 5/8"
  • Limited lifetime warranty


Close up of bolt block mechanism

This close-up bottom view shows the solid steel bolt in the locked position where it would engage the shackle. (The shackle has been removed to show the bolt.)


DT25013 in useDT25013 in use
DT25013 in useDT25013 in use
DT25013 in useDT25013 in use

The above images show the lock in use on several types of trailer couplers


Dimensions of DT25013


86-00-5015-316 Fastway (Diversi-Tech) Maximum Security Trailer Coupler Lock - Key # 316





Customer Satisfaction Score:


Customer Reviews

Fastway Universal Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers - Key 316 - FA86-0015-316

Average Customer Rating:  4.7 out of 5 stars   (916 Customer Reviews)

Protect just about any trailer from theft with this universal coupler lock, which uses a unique "ball" and shackle to fit a variety of coupler sizes and styles. Secures trailer when it is not in tow.

by:

These trailer coupler locks are great, easy to install and easy to take off. More than pleased the product and the shipping! Thanks guys, keep up the good work!



by:

Works great. I park my trailer in public areas on occasion. It hasn't gotten ripped off yet!



by:

Seems sturdy. Unfortunately Fastway is one of those companies that thinks it is necessary to collect marketing information for you to complete warranty registration. Minus 1 star for that.



by:

Ball not as big as it should be and had to shim it. Tricky to get it tight enough to stay on my trailer hitch. Very heavy duty and seems to do the job.



by:

High quality product. Lock bolt is stro ng.



by:

I was able to break this off my hitch with a hammer because the key hole kept freezing up. Your product almost made me late to an event. So I ordered a replacement to see how this one works out. This order too way longer than expected to be delivered. I doubt I will be ordering again.

Etrailer Expert

Jenny N.

6/12/2023

That is one rough way to break the lock off. If the lock is freezing up on you we recommend using a silicone-based lubricant spray like part # RM-747 to help loosen things up. Stay away from using WD-40 and it will muck up the lock internally. If the spray does not work be itself then what you can do is use the spray, then the key and lightly tap the back of the key to make sure it is fully seated in the lock before turning.



by:

Perfect fit



by:

I have been a repeat customer. They have stood behind the product and service has been great.



by:

It's a great product it does everything that is supposed to do highly recommend getting it



by:

I have a 2" collar style coupler. It fits, but not as rock solid as I had hoped. I found that reversing the lock (with the keyway facing the tongue) worked best, but that makes it a bit fiddly to get the key in the lock.



by:

easy peezy transaction . no headaches at all !!!!!



by:

I liked how you shipped my product asap and got to me fast. Thank you



by:

Works great, no problems with functionality. However I use this on a trailer on the Gulf coast, and the finish is already shot with rust. Would not recommend this finish in this environment.



by:

Having one key to match 7 trailer locks is a great plus.



by:

Perfect fit. The lock looks great and is a much needed accessory for RV's.



by:

Wow amazing product and easy to install .More heavy than I thought.



by:

This works great and Etrailer was bale to get it keyed alike to my hitch locks also.



by:

The product showed up on time the quality looks real good just installed them on my 5 x 8 utility trailer and my RV trailer so far so good thank you for the fast shipment and the tracking system you have works out real nice have a great day



by:

Delivered early and great product that fits. Thank you



by:

This is exactly what we needed... Our "OTHER" hitch lock was overpowered in a matter of a minute, we stepped up our game with the combination of this Power house of a securement system AND a 'DENVER BOOT'



by:

the product is of excellent quality and beefier than other products.been my first order from you my only issue was following the tracking . It was stuck in Michigan for a week on line and I was notified by my gf that the package was delivered after I had just looked and it was still in Michigan according to the order number. You have an excellent website Best I've seen by far anyplace. Awesome videos to help . Thanks to all at Etrailer.



by:

Good Lock.



by:

Got this coupler lock to fit securely on my trailer. For the most part, this lock appears robust. This with a good cable lock through the wheel should be an effective theft deterrence.



by:

Looks very sturdy. Fit my trailer coupler, which is 4 inches wide, where other locks would not fit.



by:

I found what I needed quickly. I paid for three day shipping and it got here early! It turned out to be perfect. The boat we were selling sold to the first person interested, which would have been after the lock arrived. Very pleased.


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Show More Reviews

See what our Experts say about this Fastway Trailer Tongue Lock

  • What Does Keyed Alike Mean for Fastway Universal Trailer Coupler Lock # FA86-0015-316
    We can key alike different locks by the same manufacturer but not from different brands as they use totally different locks/keys. So if you ordered more than one of the Fastway Universal Trailer Coupler Lock # FA86-0015-316 they would all come with the same key, number 316. We offer multiple part numbers for this lock. Each one has a key that corresponds to the last 3 digits of the model number. Check out the attached video to learn more. .
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  • Can I Order a Reese Coupler Lock To Use a Key I Already Have
    It sounds like you have a Reese Coupler Lock and are wanting to order another one that uses the same key you have now which is an A25. If that is the case then although I do not know exactly which Reese Coupler Lock you have (there are several), I can confirm that you would not be able to obtain this with a lock core that uses the same key you have now unless you were to randomly receive one for use with A25 keys which is not very likely. The most cost effective universal coupler lock...
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  • Recommended Lock for Underslung Coupler on 2018 Jayco Jay Feather 27RL Travel Trailer
    The most versatile coupler lock that is guaranteed to work with your 2018 Jayco Jay Feather 27RL is the Fastway Universal Trailer Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers # FA86-0015-316. This has the tube key lock cylinder for more security. Another great option is the Atwood AMPlock Underslung Coupler Lock - 2-5/16" Ball Couplers - Cast Iron # AT89006 but I can't confirm the height of your coupler will be compatible.
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  • Coupler Locks for A-Frame Ball Coupler That is 4-1/2-Inches Wide
    Fastway Universal Trailer Coupler Lock # FA86-0015-316 is compatible with couplers up to 4-1/2-inches wide and it will fit most 1-7/8-, 2- and 2-5/16-inch ball couplers. The lock comes with 2 tube-type keys. If your coupler is 4-1/2-inches wide without including the 1-inch lip then this will not fit. You can see the compatible coupler types by scrolling down on this item's page; there are photos that show it in use on many styles.
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  • Trailer Coupler Lock Recommendation for a Bulldog A-Frame Coupler # BD43805W0317
    The Fulton Gorilla Guard coupler locks, like # 63227, fit on couplers that have a lip. That is part of what holds them in place. Since the Bulldog coupler, # BD43805W0317, does not have a lip, it would require a different type of lock. A lock like # FA86-0015-316, would be a good choice. It fits 1-7/8 inch, 2 inch, and 2-5/16 inch couplers. Another options is a lock like # 2847DAT. This type of lock will prevent the latch from moving. I have included a video review of the lock for you.
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  • How to Replace Lost Key for Diversi-Tech Coupler Lock
    I spoke with my contact over at Fastway, who purchased Diversi-Tech a few years back, and they were able to tell me that D/T (like Fastway) only put the lock numbers on their keys; there is no way to tell which lock core was used in your D/T coupler lock without having the original key (or noting it somewhere when you purchased it). If you happen to have saved that number, please let me know what the 3 digit lock core number is and we may be able to find a replacement key that will work. If...
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  • Recommended Trailer Coupler Locks Keyed Alike for Multiple Trailers
    The Master Lock Trailer Hitch Receiver Lock and Coupler Lock Set - 1-1/4" and 2" Hitches # 3794DAT does not allow for a keyed alike option at all. For a keyed alike option, I recommend the Fastway Universal Trailer Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers # FA86-0015-316 if you just need the coupler locks. You can order multiples of these and they will all have the same key. If you need coupler and trigger locks keyed alike then I recommend the Curt Trailer Hitch Receiver and...
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  • Recommended Coupler Lock For Best Theft Deterring
    I'm sorry you don't find the Reese Tow and Store Lock Kit # RP7014700 to be acceptable. Based on your description it sounds like you are focused on the coupler lock and we have very positive reviews on this product. However we do offer a wide range of each product to allow you to determine the best fit for your needs and budget. I have linked the page to all of the options to assist. I personally like the Fastway Universal Trailer Coupler Lock # FA86-0015-316 and that is my recommendation...
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  • 2013 Ranger Boat Trailer Coupler Lock Recommendation
    The most universal and effective coupler lock we offer is the Fastway Universal Lock part # FA86-0015-316 which I would recommend for your application. We've found this basically fits all couplers that are less than 4-1/2 inches in width. I attached a picture that shows several styles of couplers it fits as well as a review video that shows it fitting them as well.
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  • Coupler Lock for Demco Trailer Coupler DM14976-52
    The most similar coupler lock we have to the # BLTL-20 that would fit the Demco coupler # DM14976-52 would be the Fastway part # FA86-0015-316 which fits into the coupler and has a bar that runs across the top of it but since it has a little more universal of a design it can fit the Demco.
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  • Coupler Locks For Dexter A-60 Brake Actuator When Towing and When In Storage
    We do have locks that will work with your Dexter A-60 Brake Actuator # DX56FR. The Coupler Lock # e98888 will allow you to secure the trailer to your vehicle when towing. This lock pin replaces the included push pin which comes with the actuator. For storage you will want to use the Fastway Universal Trailer Coupler Lock # FA86-0015-316. This can be used with the coupler lock above as well.
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  • Recommendation on Trailer Coupler Locks that can be Keyed Alike
    I have a solution for you, but the Gorilla Guard Trailer Coupler Lock, # 63227, is not available in a keyed alike option. I recommend the Fastway Universal Trailer Coupler Lock, # FA86-0015-316. The Fastway coupler lock can be used on 1-7/8, 2, and 2-5/16 inch couples. This coupler can be ordered in multiple units keyed alike. Each lock will include a set of two keys.
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  • How Theft-Proof is the etraiiler.com Coupler Lock # e98888
    Locks are for keeping honest folks honest, just about any lock can eventually be defeated if the crook is determined enough. The lock you mention, part # e98888, provides what I would call minimal deterrence against theft. If there are two identical boat trailers parked side by side, one using the # e98888 lock, and the other unlocked, the lock will do its job and deter the crook from taking your trailer. One quick snip with some bolt cutters, and the lock will be defeated, but the thief...
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  • Coupler Lock Recommendation for a 8 foot Haulmark Trailer
    Without knowing what style of coupler you have on your 8 foot Haulmark trailer it's hard for me to say exactly what would be the best coupler lock to use. I can say that the Fastway Universal Trailer Coupler Lock # FA86-0015-316 is a great lock that can fit nearly almost all styles of couplers and has a ton of positive reviews from our customers who have tried it. It also fits all of the standard hitch ball sizes. I attached a review video for you to check out as well.
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  • Keyed Alike Trailer Coupler Lock Recommendation for 6 Trailers
    A combination coupler lock would be a great idea, but we don't carry anything like that at this time. I do have one solution for you to consider that I can help you with. You could get the Fastway Universal Trailer Coupler Lock # FA86-0015-316. This lock can be keyed alike so you could order all 6 of the ones you need and they will all come with the same lock core and matching set of keys. Since you would have so many spare keys and they all would work for each lock this is a setup that...
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  • Is Fastway FA86-0015-316 Universal Trailer Coupler Lock Available Keyed Alike in Large Quantities
    It's very easy. Just go to the linked product description page and order 14 of the # FA86-0015-316 then add to your cart and check out. These will all arrive with key # 316. There are multiple key numbers to choose from. For example # FA86-0015-313 would include key 313. Check out the attached video for more information.
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  • Recommended Tamper Proof Trailer Coupler Lock for Motorcycle Trailer
    If it were my bike and trailer, I'd use the Fastway Universal Trailer Coupler Lock for 1-7/8", 2" and 2-5/16" Couplers # FA86-0015-316. This coupler lock has a tube key lock cylinder to give better security and also has an anti-drill pin to discourage attempts to drill out the lock. Parking on a sloped driveway, you may want to consider The Wheel Club - Tire and Wheel Lock # WI490.
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  • Recommend Trailer Coupler Lock That Will Help Deter Theft
    I walked out to our warehouse and pulled the Tow Ready Trailer Coupler Lock. The locking bar measures approximately a 1/2 inch in diameter. The representative at Tow Ready informed me that the lock is made of 1407 steel. I then contacted our representative at Fastway about the Universal Trailer Coupler Lock, part # FA86-0015-316. He informed me that this locking bar has a diameter of 5/8 inch hardened steel. He informed me that this is the biggest and strongest lock on the market and is...
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  • Recommended Trailer Coupler Lock with Keyed Alike Option for Multiple Trailers
    The only trailer coupler lock we offer that will fit multiple ball sizes, different styles of trailer couplers, and can be keyed alike is the Fastway Universal Trailer Coupler Lock part # FA86-0015-316. This lock has an extremely universal design, anti-drill pin, and lifetime warranty. Check out the attached video to see how the coupler works and how the keyed alike feature works.
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  • 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 # FA86-0015-316. That said, you could use both lock styles as well if needed.
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  • Can Fastway Universal Coupler Lock Be Used on 1998 Coleman Natchez Pop-Up Camper
    Thanks for the photo of your trailer's coupler. The Fastway Universal Coupler Lock # FA86-0015-316 is designed to fit a wide variety of different types of coupler styles that use 1-7/8 inch, 2 inch, and 2-5/16 inch hitch balls. Your coupler looks to be a shape that works well with this lock. Since the lock is considered a universal fit though, Diversi-Tech does not release a fit list for the lock. To be sure the # FA86-0015-316 coupler lock will work with your trailer's coupler, you can...
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  • Do Trimax Dual Purpose Coupler Locks Use Unique Keys
    The Trimax Dual Purpose Coupler Lock and U-Lock # TMX77FR uses unique keys for the locks. If you were to buy two of these I would expect the keys to be different. If you're looking for a similar lock with a keyed alike option I recommend the Fastway # FA86-0015-316. This also fits 1-7/8", 2" and 2-5/16" ball couplers. You can actually choose the key number, in this case it is 316, so the keys will work with however many you need. If you don't like 316 I have attached a link below which...
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  • Replacement Key Recommendation for Diversi-Tech Number R3115
    The key number you are looking for has been discontinued so you would have to re-key your lock with the # DTLBM02RK to get new keys and be able to lock your ball mount.
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  • Coupler Locks That can be Keyed Alike
    We have coupler locks that can be keyed alike which are very similar to the MasterLock # ML389DAT, though unfortunately it cannot be keyed alike. The Fastway Universal Trailer Coupler Lock are sold with multiple part numbers, each corresponding to their own key number. For instance, the # FA86-0015-316 will include a pair of keys number 316. So if you want 30 coupler locks that are keyed alike, you would go to part # FA86-0015-316 and order 30 of them. You will get 30 locks and 60 identical...
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Info for this part was:

Employee Jameson C
Expert Research:
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Video Edited:
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Employee Cole B
Installed by:
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Employee Hayden R
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