Ultimate Dana 44™ Front Axles: Built Tough for Off-Road.
From the Spicer® nickel chromoly steel axle shafts to the Spicer® performance differential cover to the SPL® 1350 axle shaft universal joints, the Ultimate Dana 44™ front axle is built to deliver for people who rely on their Jeep® Wrangler® JK. In addition, the axle is equipped with the following features and benefits.
Thicker tubes
5/16" thick for improved strength, rigidity, and durability
Redesigned and thicker brackets
1/4" steel to resist bending and endure the off-road environment
Works with most lift kits
Spicer® chromoly axle shafts for optimal strength and performance
Enjoy ultimate protection and retention with Spicer Life Series® (SPL®) 1350 axle shaft u-joints with multi-lip seals and full-circle clips
Performance differential cover and Spicer® performance gasket
Providing enhanced sealing and protection from off-road hazards
Selectable electronic locking differential
Harness sold separately
Genuine Spicer® gearing
Precision design and manufacturing processes provide ultimate gear mating for optimal strength, life, and quiet performance
Expanded aftermarket gear ratios: 3.73, 4.10, 4.56, 4.88, 5.13, and 5.38
Pinion angle optimized for lifting vehicles
Increased gross axle weight rating (GAWR) allows for the added weight of suspension upgrades, bumpers, winches and larger tires (up through 37" tires)
Improved caster angle for lifted Jeeps®
Reduces "bump steer"
Dana recommends using military tested and approved 75W-140 synthetic lube (not included)
Provides premium performance and reliability in the toughest environments