JK/JKU - Dana Spicer Ultimate Dana 44 Front Axle with 4.56 ARB Locker (Stock Width)

Dana 44 Features

• “Bolt in” front axle for the Jeep® Wrangler JK
• Made with thick 1/4-inch steel brackets to resist bending and endure off-road environments
• Designed to provide optimal performance for lifted vehicles with larger tires
• Increased gross axle weight rating (GAWR) allows for the added weight of suspension upgrades, bumpers, winches and larger tires
• Available in 3.73, 4.10, 4.56, 4.88, 5.13 and 5.38 axle ratios
• Reuse factory knuckles, brakes and wheel hub bearings
• Electric differential locker
• 2.5” tube diameter 5/16” wall thickness
• Heavy-duty nodular iron differential cover
• Pinion yoke same as stock JK
• Built with genuine Spicer axle components

Dana 44 Installation Tips

• Axle is shipped without oil; fill with 2 quarts of 75W140
• First oil fill to the upper fill plug; service oil fill to lower fill plug
• Wheel speed sensor wires should be secured out of the way of brake-end suspension components
• Production drag link and tie rod ends may be reused
• Longer bolts may be required for some suspension points – use grade 10.9
• Suspension torques from service manual should be followed
• Front: mount stabilizer bar end links outboard of bracket
• Driveshafts from stock JK can be used depending on suspension lift height
• Toe-in specifications from service manual should be followed
• Electric locker voltage/current required (0-18V, 8A max continuous.)
• New wheel hub bearing bolts and axle shaft nuts included
• See service manual for general axle installation information
• Dana Switch Harness Kit (10021771) is available to control the electric locker