Ultimate Dana 44 Advantek FDU | ELD, + 32 Spline Extreme Half Shafts | 21-25 Ford Bronco & Ranger SKU: 6G-0551

Ultimate Dana 44™ AdvanTEK® Front-Drive Unit + 32-Spline Spicer eXtreme Half Shafts

Fits 2021–25 Ford Bronco & Ranger

Upgrade your Bronco’s front end with a battle-ready combo built for real off-road abuse. The Ultimate Dana 44™ AdvanTEK® Front-Drive Unit delivers unmatched strength, better gearing efficiency, and a solid-tube design that eliminates the factory FAD weak point. Paired with Spicer eXtreme 32-Spline Half Shafts, you’ve got a front axle system ready for big tires, hard throttle, locked-up climbs, and the kind of terrain that leaves stock components in pieces. This setup is engineered for builders who want confidence, traction, and long-term durability every time they leave pavement.

Pro Tip: Eliminating the factory FAD not only increases strength—it also improves front-end engagement and reduces failure points on heavily built rigs.

Ultimate Dana 44™ AdvanTEK® FDU Features:

• Direct Upgrade for Bronco - Fits 2021–25 models replacing factory Dana 35™ or Dana 44™ units.

• AdvanTEK® Advanced Gear Technology - Improved gear geometry and bearing design for increased power density and long-term durability.

• Cast-Iron Center Housing - Heavy-duty construction supports deeper gear ratios and extreme use.

• 32-Spline Differential Side Gears - Stronger than stock, built to handle higher loads and larger tires.

• Electronic Locking Differential (ELD) - Maximum traction at the push of a button.

• Fully Assembled, Trail-Ready - Arrives pre-built to reduce install time and get you back into the dirt faster.

• Solid Axle Tube Design (No FAD) - Eliminates the factory front axle disconnect for better strength and reliability.

• Optimized for Builds with Bigger Tires - Perfect for lifted rigs, re-gearing, and heavier wheel/tire combos.

• Gear Ratio Options Available - Choose the gearing best suited for your setup.

Spicer eXtreme™ 32-Spline Half Shafts Features:

• High-Strength Chromoly Steel - Built for the punishment of rock crawling, mud, and aggressive off-road driving.

• Performance CV Joints - Delivers smooth, consistent performance even at higher steering angles.

• Premium-Grade Grease - Ensures cooler operation and long life under load.

• Precise OEM-Level Fitment - Designed to drop in with no guesswork.

• Corrosion-Resistant Coating -Fights rust and adds longevity in harsh environments.

• 32-Spline Design - Stronger, higher-capacity shafts made to match the Ultimate Dana 44 FDU.

• Purpose-Built Match - Specifically engineered to be used with the Ultimate Dana 44 AdvanTEK FDU.

Upgrade your Bronco’s front end with the Ultimate Dana 44 FDU and Spicer 32-spline shafts—built for big tires and rugged terrain that destroys stock components.