Reinforced front bevel gear for Jeep Wrangler JK produced from 2007 to 2018.
Made of SAE8620 steel with the Gleason process, it is thermally hardened to resist wear and surface treated with black oxidation to make it extremely silent.
Made in the U.S. by the well-known Motive Gear company that has been producing components for the transmissions of American vehicles and Ultra4 vehicles for years.
The high construction precision makes the recording particularly simple, however it is recommended to have the installation carried out by a specialized workshop. In the Download section you will find assembly instructions.
The main installation features are the following:
differential case design type: Dana 44 (for Rubicon models)/Dana 30
ring gear bolt Quantity: 10
ring gear rotation: Reverse.
From the drop-down menu, select the type of differential and the desired ring and pinion ratio.
Specifications for 4.11 ratio:
- pinion gear tooth 10
- pinion spline 24
- ring gear tooth 41
Specifications for 4.56 ratio:
- pinion gear tooth 9
- pinion spline 24
- ring gear tooth 41
Specification for 4.88 ratio:
- pinion gear tooth 8
- pinion spline 24
- ring gear tooth 39
Specification for 5.13 ratio:
- pinion gear tooth 8
- pinion spline 24
- ring gear tooth 41
Specification for 5.38 ratio:
- pinion gear tooth 8
- pinion spline 24
- ring gear tooth 43
On Dana 30 axle installed on non Rubicon JK Wranglers produced from 2012 onwards, the differential carrier must also be replaced.
In the technical specifications you will find the recommended ratios for each model of Jeep Wrangler JK in proportion to the tires installed.
IMPORTANT. The replacement of a bevel gear is a job that requires professionalism, an installer can only perform it with suitable equipment and with the proper knowledge of its calibration. Incorrect assembly causes breakage or premature wear of the same.