Yukon Gear & Axle YGK078 Yukon Complete Gear Package JL Jeep Non-Rubicon, D44 Rear & D30 Front, 4:56 Gear Ratio
Upgrade your Jeep Wrangler JL non-Rubicon with the Yukon YGK078 complete gear package featuring precision 4.56 ratio ring and pinion sets for front Dana 30 and rear Dana 44 axles. This all-in-one kit includes matched front and rear gear sets plus comprehensive master overhaul kits with bearings and small parts for a full differential rebuild. Ideal for larger tires increased towing capacity or enhanced off-road performance it saves time and ensures proper setup.
Key Features
- Precision Gear Sets – Front Dana 30 (YG D30-JL-456) and rear Dana 44 (YG D44-JL-456) 4.56 ratio ring & pinion engineered for durability.
- Complete Overhaul Kits – Includes Yukon master install kits (MK D30-JL front MK D44-JL rear) with all bearings seals shims.
- Advanced Manufacturing – State-of-the-art design heat-treating and quality testing for exact specifications.
- Versatile Ratios – Available from 3.73 to 5.38 suits various tire sizes and applications.
- Y.E.S. Protection Plan – Lifetime no-questions-asked coverage while you own the vehicle.
- Convenient Combo – Single part number delivers everything needed for front and rear re-gear.
Specifications
| Detail | Value |
|---|---|
| Brand | Yukon Gear & Axle |
| Type | Complete Gear Installation Kit |
| Compatibility | 2018-2023 Jeep Wrangler JL Non-Rubicon (D30 Front / D44 Rear) |
| Gear Ratio | 4.56 |
| Front Axle | Dana 30 |
| Rear Axle | Dana 44 |
| MPN | YGK078 |
| Weight | 32 lbs |
| Shipping Dimensions | 20 x 16 x 10 inches |
| Country of Origin | USA |
| Warranty | Lifetime Y.E.S. Plan |
Whats Included
- Front Dana 30 4.56 ring & pinion set (YG D30-JL-456)
- Rear Dana 44 4.56 ring & pinion set (YG D44-JL-456)
- Front Dana 30 master overhaul kit (MK D30-JL)
- Rear Dana 44 master overhaul kit (MK D44-JL)
Product Notes
- Designed for non-Rubicon JL models with Dana 30 front and Dana 44 rear axles
- Professional installation recommended for proper gear setup and backlash
- Matches factory gear ratios for hybrid or stock applications
This Part Fits
| Year Range | Make | Model | Notes |
|---|---|---|---|
| 2021 | Jeep | Wrangler | 80th Anniversary |
| 2021-2023 | Jeep | Wrangler | Freedom |
| 2021 | Jeep | Wrangler | Islander |
| 2018-2022 | Jeep | Wrangler | Rubicon |
| 2018-2023 | Jeep | Wrangler | Sport |
| 2018-2023 | Jeep | Wrangler | Sport S |
| 2021 | Jeep | Wrangler | Unlimited 80th Anniversary |
| 2021-2023 | Jeep | Wrangler | Unlimited Freedom |
| 2021-2023 | Jeep | Wrangler | Unlimited High Altitude |
| 2021 | Jeep | Wrangler | Unlimited Islander |
| 2018-2022 | Jeep | Wrangler | Unlimited Rubicon |
| 2021-2022 | Jeep | Wrangler | Unlimited Rubicon 392 |
| 2021-2022 | Jeep | Wrangler | Unlimited Rubicon 4xe |
| 2018-2023 | Jeep | Wrangler | Unlimited Sahara |
| 2021-2022 | Jeep | Wrangler | Unlimited Sahara 4xe |
| 2021-2023 | Jeep | Wrangler | Unlimited Sahara Altitude |
| 2018-2023 | Jeep | Wrangler | Unlimited Sport |
| 2021-2023 | Jeep | Wrangler | Unlimited Sport Altitude |
| 2018-2023 | Jeep | Wrangler | Unlimited Sport S |
| 2021-2023 | Jeep | Wrangler | Unlimited Willys |
| 2021-2023 | Jeep | Wrangler | Unlimited Willys Sport |
| 2021-2023 | Jeep | Wrangler | Willys |
| 2021-2023 | Jeep | Wrangler | Willys Sport |
| 2018 | Jeep | Wrangler JK | Rubicon |
| 2018 | Jeep | Wrangler JK | Sport |
| 2018 | Jeep | Wrangler JK | Sport S |
| 2018 | Jeep | Wrangler JK | Unlimited Rubicon |
| 2018 | Jeep | Wrangler JK | Unlimited Sahara |
| 2018 | Jeep | Wrangler JK | Unlimited Sport |
| 2018 | Jeep | Wrangler JK | Unlimited Sport S |
Why Choose Yukon Gear & Axle?
- Benchmark quality in automotive gears with rigorous testing
- All-in-one kits reduce parts sourcing and install time
- Built in USA with advanced processes for long-lasting performance
- Lifetime Y.E.S. Plan provides complete peace of mind
Frequently Asked Questions
- Q: What gear ratio does the YGK078 provide?
- A: 4.56 ratio for front Dana 30 and rear Dana 44 axles.
- Q: Does this kit fit Jeep Wrangler JL Rubicon models?
- A: No designed for non-Rubicon JL with D30 front D44 rear. Rubicon uses D44 front.
- Q: What warranty comes with this gear package?
- A: Lifetime Y.E.S. Plan covers the entire kit no questions asked.
Shipping & Handling
- Method: UPS / FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Secure single box 20x16x10 inches 32 lbs
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Yukon Gear & Axle provides the highest quality aftermarket drivetrain parts in the industry. Yukon products are produced using superior materials and built to tolerances that exceed OE specifications. We do drivetrain right! Yukon manufactures high performance ring & pinions, positractions, lockers, axle upgrades, rebuild kits, hubs, driveshafts, diff covers, and more. Proven at the King of the Hammers and the granite crags and outcrops of Moab, Yukon products are built for abuse so you can gear up and wheel with confidence. At Yukon Gear & Axle we make it our Mission to build quality parts that exceed expectation. It’s that simple! Our in-house engineering group utilizes state-of-the-art software to design product that’s then manufactured in partnership by some of the world’s foremost leaders in OEM manufacturing. After rigorous testing and intense quality inspection, we’re proud to call it Yukon.
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