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Replaces lost or damaged keys for your Fastway universal coupler lock with key number 337 or for your Fastway trailer hitch pin lock (FA86-00-3660) with key number 337. Includes 2 replacement keys.
Features:
Fits:
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hi, everybody, Steven here with etrailer.com. Let's take a look together at the Replacement Tube Keys for your Fastway Universal Coupler Lock or Hitch Pin Lock, specifically key number 337. Now, this will replace a set of lost or damaged keys for the Fastway Universal Coupler Lock with the engraving key 337, as you can see here on the metal, and this other one has the same thing engraved, 337. And these are tube keys, as you already know. They're just a lot easier to use, in my opinion. They're not gonna break or anything like that, 'cause they're a lot more durable, and they're a lot harder to pick a lock as well, so that's the reason they're used on that coupler lock.
So, very nice option, a direct replacement from the manufacturer so you can be sure they work with that Fastway Trailer Hitch Pin Lock, key number 337. That's gonna wrap it up, folks. I'm Steven, thanks for watching.
Ratings & Reviews

Michael
3/17/2025
Perfect extra set of keys. Piece of mind. One key in pocket and one in truck. And one at the house when all else fails


Mike L.
1/11/2026
Which lock do you have? These keys are replacements for the Fastway universal coupler lock with key 335 or the Fastway hitch pin lock with key 335.

Victoria H.
12/30/2024
Thank you Jules! Reading that kind of review would make just about anyone's day. We will be here and happy to help if there is anything else you need for your trailer!


Scott F.
6/10/2019
Great!

Christopher H.
9/3/2026
Sorry to hear this replacement key isn't working Dallas. This key is meant for the Fastway Universal Coupler Lock like # FA86-0015-303. Is that what you are attempting to use the key on?

Sam W.
8/9/2023
Have not had any issues with any of the six locks that we use on a regular basis.

Richard
3/31/2023
Very good. They have not had any problem with them.
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Kate F.
6/5/2026
Glad we had the right replacement keys for you Jon!