Description
Ultimate Dana 44 AdvanTEK Front Drive Unit
Upgrade your 2021+ Ford Bronco with the strength and durability of the Ultimate Dana 44 AdvanTEK Front Drive Unit. Designed specifically for demanding off-road use, this complete front drive unit provides increased strength, improved traction capability, and the flexibility to run deeper gear ratios than the factory assembly. Fully assembled and ready to install, it offers a premium solution for Bronco owners building a vehicle for larger tires and more challenging terrain.
Built around a Dana-designed cast iron center housing, this front drive unit features 32-spline differential side gears, a solid axle tube design, and an electronic locking differential for enhanced traction when conditions demand it. The cast iron housing and tube provide increased durability over factory components while allowing a choice of aftermarket gear ratios to better match your Bronco’s tire size and intended use.
Features
- Dana-designed cast iron center housing
- 32-spline differential side gears
- Electronic locking differential
- Available with 4.88 or 5.38 gear ratios
- Fully assembled and ready to install
- Solid axle tube design
- Cast iron axle tube construction
- Supports deeper gear ratios than the factory front drive unit
Additional Fitment Details
- Fits 2021+ Ford Bronco models
- Available with Dana part number UD44FBRO488ELD32 featuring 4.88 gears
- Available with Dana part number UD44FBRO538ELD32 featuring 5.38 gears
- Gear ratio selection should be matched to tire size and intended vehicle use






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