Put the power to the ground with the Spicer Differential Ring and Pinion 10050939, a front-axle DANA 44 AdvanTEK gear set built with a 4.56 ratio for drivers who push their rigs to the extreme. It fits the 2018-2022 Jeep Wrangler and the 2020-2022 Jeep Gladiator — see the Buyer's Guide tab for the engine-level detail on your specific vehicle.
Spicer gearing is engineered, tested, and manufactured by Dana to deliver the strength and reliability the brand is known for.
This is a front DANA 44 AdvanTEK set at a 4.56 ratio — confirm the ratio and axle match your build before ordering, since ring-and-pinion sets are ratio- and axle-specific. If your original front gears are worn, whining, or you're re-gearing for larger tires, this Spicer set replaces them.
What ratio and axle is this gear set for?
It is a 4.56 ratio set for the front DANA 44 AdvanTEK axle. Confirm your axle and desired ratio match before ordering.
Which vehicles does part 10050939 fit?
It fits the 2018-2022 Jeep Wrangler and the 2020-2022 Jeep Gladiator. Check the Buyer's Guide tab for engine-level detail on your vehicle.
Is this a front or rear gear set?
This is a front-axle ring and pinion set for the DANA 44 AdvanTEK front axle.
What are signs my ring and pinion may need replacing?
Common signs include gear whine or howling, whining that changes with speed, or worn gears when re-gearing for larger tires. Diagnose the cause before replacing.
What makes Spicer gearing durable?
Superior metallurgy, hobbed and shaved gearing, and precision heat-treating with shot-peening reduce residual stress to enhance gear life and durability.
WARNING: These products can expose you to chemicals including lead and phthalates, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.
