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🔧 Lock in your off-road legacy with Mile Marker’s toughest hubs yet!
The Mile Marker 449SS Premium Locking Hubs are precision-engineered manual hubs designed for 1999-2004 Ford Super Duty trucks. Featuring a rugged 30-spline stainless steel construction and a heavy-duty 1/4 turn locking dial, these hubs deliver reliable 4WD engagement in extreme off-road, snow, and heavy-duty conditions. Installation is straightforward with no conversion kit needed for compatible models. Trusted by off-road enthusiasts and professionals alike, they come backed by a Limited Lifetime Warranty for lasting peace of mind.











| ASIN | B000RZAPPS |
| Best Sellers Rank | #64,347 in Automotive ( See Top 100 in Automotive ) #140 in Automotive Replacement Hub Assemblies Bearings |
| Brand | MILE MARKER |
| Customer Reviews | 4.6 4.6 out of 5 stars (1,565) |
| Date First Available | June 7, 2007 |
| Is Discontinued By Manufacturer | No |
| Item Weight | 7 pounds |
| Item model number | 449SS |
| 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 | 10.5 x 5.5 x 3.5 inches |
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