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Dana 35™ AdvanTEK® and the Ultimate Dana 44™ AdvanTEK® Front-Drive Unit Axles

PROBLEM
When bigger tires call for an axle upgrade, the axle must be designed for extreme off-roading, while offering gear ratio options that provide the perfect set up in your unique Bronco.

SOLUTION
The Ultimate Dana 44™ AdvanTEK® front-drive unit axle offers a choice of gear ratios to help you achieve optimum performance—and it’s ready to install right out of the crate.

Front-Drive Unit LogoFront-Drive Unit (FDU) axles from Dana offer an independent suspension system for front-drive axles in four-wheel drive Ford sport utility vehicles such as the ready-for-anything Bronco. AdvanTEK® technology means you’ll enjoy the freedom of going where you want, and get the confidence that you’ll be ready for the next adventure.

The Ultimate Dana 44™ AdvanTEK® Front-Drive Unit Axle

Front-Drive Unit AxlesFor the ultimate upgrade for extreme off-roading, Dana delivers the Ultimate Dana 44™ AdvanTEK® Front-Drive Unit Axle. This axle provides increased strength and durability in every facet—and offers a choice of gear ratios to help you achieve optimum performance in your rig after upgrading tire size and other driveline components. It’s fully loaded and ready to install right out of the crate to save you money and get you out on the trail quicker.

  • Dana-designed center housing allows for tall gear ratios to provide the perfect set up for your Bronco
  • 32-spline differential side gears provide improved strength for better off-road performance
  • Electronic locking differential offers optimal traction when you need it
  • Choose the best gear ratio for your unique rig
  • Fully loaded and ready to install to save time and money
  • FAD-eliminated solid axle tube for increased strength

Get easy installation, then handle the toughest challenges

Dana 35™ AdvanTEK® Front-Drive Unit Axles

New Broncos roll off the line with Dana 35™ AdvanTEK® Front-Drive Unit Axles, which are built to handle the Bronco’s high-torque engine. AdvanTEK® technology delivers premium performance with improved gear power density, gear geometry that’s designed specifically for use with aluminum housings, improved bearing technology, and more.

Available Early 2022

Application Part Number Differential Spline Ratio
2021 and Up Ford Bronco UD44FBRO373ELD32 E-Locker 32 3.73
2021 and Up Ford Bronco UD44FBRO410ELD32 E-Locker 32 4.10
2021 and Up Ford Bronco UD44FBRO456ELD32 E-Locker 32 4.56
2021 and Up Ford Bronco UD44FBRO470ELD32 E-Locker 32 4.70
2021 and Up Ford Bronco UD44FBRO488ELD32 E-Locker 32 4.88
2021 and Up Ford Bronco UD44FBRO513ELD32 E-Locker 32 5.13
2021 and Up Ford Bronco UD44FBRO538ELD32 E-Locker 32 5.38
2021 and Up Ford Bronco UD44FBRO373ELD29 E-Locker 29 3.73
2021 and Up Ford Bronco UD44FBRO410ELD29 E-Locker 29 4.10
2023 and Up Ford Bronco UD44FBRO456ELD29 E-Locker 29 4.56
2024 and Up Ford Bronco UD44FBRO470ELD29 E-Locker 29 4.70
2025 and Up Ford Bronco UD44FBRO488ELD29 E-Locker 29 4.88
2026 and Up Ford Bronco UD44FBRO513ELD29 E-Locker 29 5.13
2027 and Up Ford Bronco UD44FBRO538ELD29 E-Locker 29 5.38