Jeep Wrangler JL: Dana Aftermarket Drivetrain Upgrades

Dana Introduces Aftermarket Drivetrain Upgrades For Jeep Wrangler JL

The line of drivetrain upgrades includes Ultimate Dana 60 front and rear axles, Spicer Performance nodular iron differential covers, chromoly axle shafts, bearing kits and expanded ratio gears.

Dana Inc. has introduced a new line of aftermarket Dana axles and Spicer drivetrain components for the Jeep Wrangler JL. The line of drivetrain upgrades includes Ultimate Dana 60 front and rear axles, Spicer Performance nodular iron differential covers, chromoly axle shafts, bearing kits and expanded ratio gears.

Dana made the announcement at the Easter Jeep Safari taking place now through April 1 in Moab, Utah.

The new Jeep Wrangler JL comes with redesigned Dana axles as standard equipment. The Wrangler Sport and Sahara come with Dana 30 axles in front and Dana 35 AdvanTEK axles in the rear, while the Rubicon comes equipped with Dana 44 AdvanTEK axles in front and rear. Each of these axle designs have been improved and strengthened for the Wrangler JL.

“The new Jeep Wrangler JL features extensively redesigned Dana axles as a part of its standard equipment package,” said Peter Cirulis, vice president of customer experience, strategy, and product planning for the Dana Aftermarket Group. “However, there are always enthusiasts who want to push the envelope, and these Dana and Spicer upgrades build on our proven, market-tested technology to meet the rigorous demands of off-roading. Whether you are going to a remote fishing spot, or rock-climbing in Moab, Dana has created the upgrades you need to enjoy the journey as much as the destination.”

For the serious off-roader, the Dana aftermarket upgrades include heavy-duty chromoly axle shaft replacements for the stock units, and a range of AdvanTEK performance ring and pinion gears so owners can select their optimum ratio. For maximum performance, owners can upgrade the standard Dana axles with the Ultimate Dana 60 front and rear axles.

The Ultimate Dana 60 axles are bolt-in replacement upgrades for front and rear axles on the Jeep Wrangler JL. They are available in 3.73, 4.10, 4.88, and 5.38 ratios and come with an Eaton E-Locker. The axles feature:

  • 35-spline, nickel chromoly steel axle shafts designed for higher torque, larger tires and off-road punishment
  • A greatly enhanced carrier with Spicer performance ring and pinion gearing
  • Massive SPL 70 u-joints, exclusive to Dana
  • Full-float design for greater load-carrying capacity
  • Upgraded, heavy-duty brakes with plug-and-play antilock braking system

The Spicer Performance nodular iron differential covers fit front or rear Dana 44 AdvanTEK and Dana 35 AdvanTEK axles, and are available in blue or gray finishes.

Spicer Chromoly Axle Shaft upgrades for the Jeep JL are available in a number of configurations for the Dana 30 (front), Dana 35 AdvanTEK (rear) and Dana 44 AdvanTEK axles (front and rear). Spicer aftermarket axles are available to replace the front axle disconnect (FAD) feature on the stock Dana 30 and the Dana 44 AdvanTEK axles.

Spicer master overhaul and standard differential rebuild bearing kits are available for the Dana 30, Dana 35 AdvanTEK and the Dana 44 AdvanTEK axles.

Enthusiasts can choose from a range of AdvanTEK aftermarket expanded gear ratios for all three OE axles. Four ratios are available for the Dana 30, five for the Dana 35 AdvanTEK and the Dana 44 AdvanTEK has six gear options for the front and seven for the rear.

“Dana has been the OE supplier of axles to Jeep for over 75 years,” said Cirulis. “With that heritage, no one knows the Jeep drivetrain better than Dana. We want to be first when it comes to ‘what’s next’ for Wrangler JL aftermarket parts.”

For more information on the Dana Aftermarket Upgrades for the Wrangler JL, go to

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