MILE MARKER 449S/S Pair of Premium Locking Hubs fits 1999-2004 F250 F350 F450 F550 | Reliable in Extreme Off Road Conditions | Replaces Original Equipment Manual or Automatic Hubs

After going through several pairs of the 'OEM' replacements for the vacuum-operated 'automatic' 4x4 front hub locks, I saw these and decided to pay a few extra dollars so I never have to replace the hub locks EVER again. These are SOLID, an obvious upgrade to the existing plastic-filled lockers that came on these trucks. I can get out and manually lock my hubs when I need 4x4, so it's not a great loss to have actual metal pieces doing the engaging action as a trade off. Installation was cake - it took more time to remove the siezed and broken OEM unit than it did to clean out the hub and slide these into place. It shoulhd have taken me less than 10 minutes if not for the stubborness of the old parts. Some people suggest using blue thread lock on the 6 bolts that keep everything together, but I haven't had any back out at all after several hundred miles so just tighten them up pretty good - they're literally the only parts you really have to do anything with, as everything else just slides into place. The way these are designed, you can see the interals and how everything works, and you'll know you've made the right choice here. I'm looking for shorter center caps for my factory rims, since these units are shorter than OEM lockers, but it's barely noticable so NBD. If you're looking for reliable, light-medium 4x4 upgrade bits, these are a great start to a killer off-road rig.

Installed them in my 05 F250, easy to install, fixed the stock hubs that randomly locked in there own.

timely order and looks very well made.

Replaced my Warn hubs that no longer engaged on my 2000 F-250 super duty. Mile Marker part number 449s/s. Shipping was as promised. Packaging was good. Parts came without a scratch. Install was a breeze, after a call to tech support. Only thing I had to do was move the axle up and down and side to side to get the new lockouts to slide into the hub splines. At first I thought they wouldn't fit, so I called Mile Marker tech line and spoke with a guy that told me what and how to get them to slide in. I wiggled the axle shaft by grabbing the U-joint on the front axle shaft and moving it up and down and side to side and the hub slid right in. Perfect fit! The tolerance on these new hubs is so small just a little misalignment of the axle spline was enough to not let it slide in. There is very little play in the hubs when they slid in! Much less than the Warn hubs I took out. Test drove and they are working perfectly. Easy to engage and disengage. Would recommend these.

USE LOCTITE! I lost one of them on the road, it was later found, re-installed, and they still work now YEARS later! I suggest at least using some Blue Loctite on the screws. Easy install, easy to operate, have been using since September 2022, I have no complaints. Context for images, I shoved 2004 F350 axles under my 1996 F250 and painted the axles blue for some reason haha. Taken me through Mud, Snow, and outlasted my steering in some deep puddles... Couldn't steer but could move that's for sure!

Solid, heavy-duty replacement hub that fits and works great (mostly). The only drawback, as previously noted in other reviews, is the hub is not as deep as OEM hub which makes it look recessed when center cap is installed over lugs. Like that it uses six mounting screws as opposed to three on originals. Also clearly states "Free" and "Lock" positions instead of just lines. Comes with clear, well-written instructions. Thanks!

Got these for a 2000 F250 that had been converted from autolocking hubs previously. The old hubs were stuck and unable to turn. These fit well and were a breeze to swap. The tire and wheel do not have to be removed for these to be replaced. The videos that show it to be a simple swap are accurate. Hubs are now easy to lock and unlock. Took a chance to save a little money on these and don't regret it at all. They are a little shorter than some other hubs so they won't come out flush with your lug nut covers. Otherwise they fit and work great.

Mile marker 449SS are not only cheaper in price but are also made with less plastic than WARN Hubs. As long as all of the other components on your truck, wheel hub, axle seal etc are good, these hubs will last a lifetime and have been working for me for a long time.Even though I got rid of the first set because I thought they were bad, but it wasn't them.It was my actual seals that had failed which I have never before.In my life seen.

2004 Ford F350 with Dana 60. Work great and look great! Every bit as good as Warn with same warranty and half the price. As with the warns these are shorter than the stock unit..... there is a bit of a gap, hasn't bothered me yet but could probably cut down or I hear centers from a different year may also work. Also full stainless

Price is great, made it USA, great quality, comes with everything needed and will last way longer then stock.

Los candados Funcionan bien en terrenos difíciles. Son compatibles con Ford F250 Powerstroke 1996 Turbo Diesel 4x4 7.3 lt.

Super easy install .takes ten to fifteen min per side ..fit perfect they slide in easy..as good as warn and cheaper

Changing to these style of hubs, very impressed with the setup and install. Great system for hubs. Great customer service as well.