Overview
The G2 Dana 44 5.89 Ratio Ring and Pinion, part number 2-2033-589, is a 5.89-ratio gear set for Dana 44 front or rear axles. It is made for a carrier rated 3.91 and up.
The gears are made from computer heat-treated 8620 steel and are double shot peened and double lapped for demanding use. G2 backs the set with a 10-year warranty.
Key features
- 5.89 gear ratio
- Computer heat-treated 8620 steel
- Double shot peened
- Double lapped
- Manufactured to O.E. specifications, per G2
- 10-year warranty, per G2
Carrier and ratio matching
Moving to a 5.89 ratio changes how fast the engine turns at a given road speed, which affects acceleration, cruising, and fuel use. The carrier matters because it supports the ring gear and must hold the gears in correct alignment under load. Measure the current carrier and confirm it falls in the range this set requires before ordering.
Heat-treated 8620 steel and shot peening are common ways to improve tooth durability, but the setup still decides how long the gears last. Pinion depth, backlash, and bearing preload should be checked with the proper tools and recorded before the cover goes back on. A short break-in period with moderate loads lets the contact pattern settle.
Related parts often get replaced at the same time, including carrier bearings, pinion bearings and seals, and the axle cover gasket. Replacing them while the axle is open avoids a second teardown. Check the gear oil after the break-in period and look for metal particles, which can point to early wear.
Specifications
| Brand | G2 Axle and Gear |
|---|---|
| Part number | 2-2033-589 |
| UPC | 631410094107 |
| Axle type | Dana 44 |
| Gear ratio | 5.89 |
| Carrier | For use with 3.91 and up |
| Gear material | Computer heat-treated 8620 steel |
| Warranty | 10 years, per G2 |
Vehicle fitment
It fits Dana 44 axles in either front or rear positions and is not tied to one vehicle. Confirm the carrier is 3.91 or higher and check the axle location before ordering.
Installation notes
Gear sets like this need professional setup, including mesh, backlash and pinion depth, and a break-in period after installation.













