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🔧 Lock in your adventure—because every turn counts!
Mile Marker Premium Locking Hubs (449SS) are heavy-duty manual locking hubs designed for 30 spline axles, delivering reliable 4WD engagement with a simple 1/4 turn. Constructed from stainless steel for durability, they include all necessary installation hardware and come as a pair. Trusted by off-road professionals and the military, these hubs offer a limited lifetime warranty for long-term peace of mind.











| Asin | B000RZAPPS |
| Best Sellers Rank | #217,973 in Automotive (See Top 100 in Automotive) #1 in Automotive Hub Conversion Kits |
| Brand | MILE MARKER |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,471) 4.6 out of 5 stars |
| Date First Available | 6 September 2012 |
| Item Model Number | 449SS |
| Item Weight | 3.18 Kilograms |
| Lift Type | Manual |
| Manufacturer | Mile Marker |
| Manufacturer Part Number | 449S/S |
| Model | Mile Marker Premium Locking Hubs (449SS) |
| Oem Part Number | 449S/S |
| Product Dimensions | 26.67 x 13.97 x 8.89 cm; 3.18 kg |
| Special Features | Keyless |
User
Great quality product!
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
User
Easy upgrade to cheap plastic OEM parts on '01 Excursion
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.
User
Producto de buena calidad.
Los candados Funcionan bien en terrenos difíciles. Son compatibles con Ford F250 Powerstroke 1996 Turbo Diesel 4x4 7.3 lt.
User
Great product easy install
Super easy install .takes ten to fifteen min per side ..fit perfect they slide in easy..as good as warn and cheaper
User
Lasted 15 years
Purchased and installed easily on a 2003 F250. Slightly moved the short shaft from behind the wheel and slid in easily. This was my second set to install. The previous set was installed about 15 years ago. The right passenger side failed attempting to pull someone out with a trailer load of busted up concrete.
Trustpilot
3 weeks ago
2 months ago