Yukon JK Rubicon Dana 44 Ring & Pinion Gear Set - Reverse Rotation
YG D44RS-373RUB
The Yukon Dana 44 Reverse Rotation Ring & Pinion Gear Set is designed for the front differential in 2007–2017 Jeep Wrangler JK Rubicon models equipped with the factory Dana 44 axle. Regearing is one of the best ways to restore lost pulling power after installing larger tires, improve low-speed control, and get the engine back into a more useful operating range. These gear sets use the JK-specific reverse rotation, short-pinion design with a 24-spline pinion and are available in multiple ratios for daily driving, trail riding, and rock crawling.
The JK Rubicon front Dana 44 uses a high-pinion, reverse-cut gear configuration that must be matched correctly when replacing the ring and pinion. Numerically lower ratios favor highway driving, while deeper gears increase torque multiplication to help offset larger tires and improve crawling performance. Whether you're replacing worn gears or changing ratios, proper pinion depth, bearing preload, backlash, and gear contact pattern are critical for quiet operation and long-term reliability. Match the selected front ratio to your rear axle before using four-wheel drive.
Includes:
- (1) Yukon Dana 44 Reverse Rotation Ring Gear
- (1) Matching Short Pinion Gear
Available Gear Ratios: 3.73, 4.11, 4.56, 5.13, 5.38
Important: Sold as one matched ring and pinion gear set. Bearings, seals, shims, differential carrier components, and master installation kits are sold separately unless otherwise specified.
Specifications
| Manufacturer | Yukon Gear & Axle |
|---|---|
| Product Type | Ring & Pinion Gear Set |
| Axle Platform | Dana 44 / JK Rubicon Front |
| Ring Gear Diameter | 8.50" |
| Vehicle Platform | Jeep Wrangler JK Rubicon |
| Axle Position | Front |
| Gear Rotation | Reverse Rotation / High Pinion |
| Pinion Style | Short Pinion |
| Pinion Spline Count | 24-Spline |
| Available Gear Ratios | 3.73 / 4.11 / 4.56 / 5.13 / 5.38 |
| Ring Gear Bolt Count | 10 |
| Differential Cover Bolt Count | 10 |
| Gear Configuration | Matched Reverse Rotation Ring & Pinion Set |
| Installation Type | Internal Differential Gear Replacement |
| Primary Application | Jeep JK Rubicon Front Axle Regearing & Gear Replacement |
| Quantity | One Matched Gear Set |
Available Gear Ratios & Part Numbers:
| Gear Ratio | Yukon Part Number |
|---|---|
| 3.73 | YG D44RS-373RUB |
| 4.11 | YG D44RS-411RUB |
| 4.56 | YG D44RS-456RUB |
| 5.13 | YG D44RS-513RUB |
| 5.38 | YG D44RS-538RUB |
Fitment
Designed for 2007–2017 Jeep Wrangler JK Rubicon models equipped with the factory Dana 44 reverse rotation front differential and short-pinion configuration. Verify the installed axle before ordering, especially on modified or axle-swapped vehicles.
| Make | Model | Year Range | Axle Application |
|---|---|---|---|
| Jeep | Wrangler JK Rubicon | 2007–2017 | Dana 44 Reverse Rotation Front |
| Jeep | Wrangler Unlimited JK Rubicon | 2007–2017 | Dana 44 Reverse Rotation Front |
Fitment Notes:
- Fits compatible Jeep JK Rubicon Dana 44 front differentials
- Requires reverse rotation, high-pinion gear configuration
- Designed for JK-specific short-pinion applications
- 24-spline pinion configuration
- Front axle applications only
- Not interchangeable with standard rotation Dana 44 rear gears
- Not intended for factory Dana 30 front axles found in non-Rubicon JK models
- Verify axle identification, carrier compatibility, pinion spline count, and selected gear ratio before ordering
- Front and rear axle ratios must match on four-wheel-drive vehicles
FAQ
What gear ratio should I choose for my Jeep JK Rubicon?
The right gear ratio depends on tire size, engine, transmission, vehicle weight, and how you use your Jeep. Numerically lower ratios generally favor highway driving, while deeper ratios help restore pulling power after larger tire upgrades and improve low-speed control on the trail.
| Gear Ratio | Common Applications |
|---|---|
| 3.73 | Highway driving, stock-size tires, and lighter-duty use |
| 4.11 | Daily driving, mild tire upgrades, and mixed trail use |
| 4.56 | Moderate tire upgrades, trail riding, and improved pulling power |
| 5.13 | Larger tires, rock crawling, and low-speed off-road use |
| 5.38 | Large tire builds prioritizing crawl performance and torque multiplication |
Builder Note: These are general starting points, not fixed tire-size recommendations. Gear selection should account for the complete drivetrain, highway RPM, and intended use.
What is a reverse rotation Dana 44 ring and pinion?
The Jeep JK Rubicon front axle uses a reverse rotation, high-pinion ring and pinion design. The gear tooth geometry is different from a standard rotation Dana 44, so the correct reverse-cut gear set must be used for this front axle.
What is the difference between a short pinion and a standard Dana 44 pinion?
The JK Rubicon front Dana 44 uses a specific short-pinion configuration designed for its housing and pinion support arrangement. Standard Dana 44 gear sets may have different pinion dimensions and cannot be substituted simply because the ring gear diameter is the same.
Will these gears fit a non-Rubicon Jeep JK?
Not if it still has the factory Dana 30 front axle. These gear sets are designed for the Dana 44 reverse rotation front differential found in JK Rubicon models. Axle-swapped vehicles must be checked against the installed axle configuration.
Does this gear set include a master installation kit?
No. This listing includes the matched ring and pinion gears only. We recommend using a compatible Jeep JK Rubicon Dana 44 master overhaul kit with new bearings, races, seals, shims, and setup hardware during installation.
Will these gears work with my existing differential carrier or locker?
That depends on the selected ratio and your existing differential configuration. Verify carrier compatibility, ring gear mounting requirements, and the selected gear set before ordering. If you're changing gear ratios, the carrier or locker may also need to be changed depending on the axle configuration.
Do I need to regear the rear axle too?
Yes. Front and rear axle gear ratios must match on a four-wheel-drive Jeep. If you're changing the front Dana 44 ratio, install a matching ratio in the rear differential before operating in four-wheel drive.
What is required for proper ring and pinion installation?
Correct pinion depth, pinion bearing preload, carrier bearing preload, ring gear backlash, and tooth contact pattern are essential. We recommend using a compatible master overhaul kit and following proper differential setup procedures to prevent gear noise and premature wear.
