Upgrade your drivetrain with the Yukon Ring & Pinion Gear Set for 2011-Up Chrysler 9.25" ZF differentials in a 3.21 ratio. Yukon produces ring and pinion sets engineered to meet exacting structural and surface finish standards and the result is smooth enga
Upgrade your drivetrain with the Yukon Ring & Pinion Gear Set for 2011-Up Chrysler 9.25" ZF differentials in a 3.21 ratio. Yukon produces ring and pinion sets engineered to meet exacting structural and surface finish standards and the result is smooth engagement, reduced friction, lower operating temperatures, and quiet operation.
The 3.21 ratio is a strong choice for highway-focused applications, factory replacement needs, and builds seeking lower cruising RPM with balanced everyday drivability.
Includes:
Specifications
Fitment
| Make | Model | Year Range |
|---|---|---|
| Ram | 1500 | 20112019 |
Tech Insight
The Chrysler 9.25 ZF rear axle is commonly found in 2011-up Ram 1500 trucks. Always verify axle identification and gear ratio before ordering, as multiple axle options were available depending on model and package.
Yes. The 3.21 ratio is one of the most fuel-efficient factory gear options available in many Ram 1500 applications. It provides lower engine RPM at highway speeds and is commonly found in daily-driven trucks focused on fuel economy and cruising comfort.
Yes, but changing gear ratios may require additional carrier, setup, or calibration considerations depending on your axle configuration. Verify carrier compatibility and consult your vehicle specifications before ordering.
Yes. New bearings, races, seals, shims, and installation hardware should be installed whenever replacing ring and pinion gears. A complete overhaul kit helps ensure proper setup and long-term reliability.
