D30JK-456 JEEP Jk Ring Pinion Gear Front Rear Set Dana Yukon

Review JEEP Rms Jk 30 4.56 Ring And Pinion Gear Front Rear Set for WRANGLER YUKON DANA 2007–2017

Introducing the D30JK-456 07-17 Jeep Wrangler JK Dana 30 4.56 Ring Pinion Yukon Gear Front Rear Set, a high-performance upgrade for your Jeep Wrangler JK (JK generation, model years 2007-2016). This set of gears from Yukon Gear & Axle is specifically designed to provide enhanced strength, durability, and torque capacity for your Dana 30 front and rear axles.

The front and rear axle sets in this kit come with Yukon's renowned 4.56 ring and pinion gears. These gears offer an excellent balance between low-end torque and top-end power. The 4.56 ratio is popular among off-road enthusiasts, as it provides improved climbing ability and towing capacity.

Each gear component is meticulously manufactured using high-quality materials, ensuring precision and longevity. The ring gears are made from heat-treated steel, while the pinions are crafted from chrome molybdenum steel. This combination results in gears that can withstand the rigors of off-road driving, while also delivering efficient power transfer.

The Yukon D30JK-456 set also includes new pinion yokes and seal kits. These upgraded components help prevent leaks and improve sealing, ensuring that your axle's lubrication system remains effective and protected.

Installation of the Dana 30 4.56 Ring Pinion Yukon Gear Front Rear Set is relatively straightforward and can be accomplished with common hand tools. However, it is essential to follow proper installation procedures to ensure the longevity and optimal performance of the new gears.

In summary, the D30JK-456 07-17 Jeep Wrangler JK Dana 30 4.56 Ring Pinion Yukon Gear Front Rear Set is an excellent investment for Jeep Wrangler JK owners looking to enhance their vehicle's off-road capability and durability. This high-quality gear set from Yukon Gear & Axle is designed to provide improved torque, increased power, and prolonged component life, making it a must-have for any serious off-road enthusiast.

Buying a D30JK-456 07-17 Jeep Wrangler JK Dana 30 4.56 Ring and Pinion Yukon Gear Front Rear Set involves some considerations, especially for those looking to enhance their Jeep's performance or durability. Here are some potential pros and cons:

1. Improved Gear Ratio: The 4.56 ring and pinion set provides a lower gear ratio compared to the stock 3.73 ratio, which can lead to better acceleration and towing capabilities.

2. Enhanced Durability: Yukon Gears are known for their high-quality materials and robust designs, making this set a popular choice for off-roading and heavy-duty use.

3. Customization: Installing this gear set is a common modification for Jeep Wrangler JK owners, and it offers an opportunity for enthusiasts to personalize their vehicles and potentially increase their resale value.

1. Cost: The D30JK-456 07-17 Jeep Wrangler JK Dana 30 4.56 Ring and Pinion Yukon Gear Front Rear Set can be expensive, especially when considering the cost of labor for installation.

2. Complexity: Installing the new gear set requires significant mechanical knowledge, and it may be time-consuming for those without experience.

3. Potential Vibration: A lower gear ratio can lead to increased vibration, which may require additional modifications or balancing.

The D30JK-456 07-17 Jeep Wrangler JK Dana 30 4.56 Ring and Pinion Yukon Gear Front Rear Set offers several advantages, such as improved acceleration and durability, but it comes with some drawbacks, like cost and complexity. If you are an experienced Jeep owner looking for a performance upgrade or are planning heavy-duty use, this gear set might be a worthwhile investment. However, if you are a beginner or have limited mechanical knowledge, you might want to consider other modifications or seek professional assistance.

Before making a decision, we recommend thoroughly researching the benefits and challenges of installing a 4.56 ring and pinion set, considering your budget, mechanical skills, and intended use for your Jeep. If you decide to proceed, we suggest purchasing from a reputable retailer and considering hiring a professional for installation to ensure optimal results.

Details:

I decided not to have them installed since they are for my daughters Jeep and she just uses it go school back. The rear gears could work for either but don't really want to split it up. I bought these some time ago and have been sitting in my garage for a while. It comes with both front and rear gears for a non Rubicon Jeep Wrangler jk.

These only work with axles Dana 30 front. They are perfect for 35 inch tires.

specifications differentialsdepo:

• for models: Dana, Wrangler, Yukon
• for years: 2007–2017
• brand: Jeep
• mpn: D30jk-456
• items included: Carrier
• type: Pinion
• warranty: 1 Year
• placement on vehicle: Front, Right

offer differentialsdepo:

• prices: $299.00–$497.50
• item condition:
  • New
  • Used
  • New other (see details)
• started: december 6, 2025
• availability: in stock
• options: ship-to-home
• in stock #: 5
• sold #: 14

general differentialsdepo:

• category: Auto Parts > Transmission Drivetrain > Differentials, Assemblies > Additional

seller differentialsdepo:

• rating: 100.0%
• city: marion, iowa
• # reviews: 2215

shipping differentialsdepo:

• transit: 16-20 days
• service: usps ground advantage
• class: standard
• type: fixed
• carrier: usps

payments differentialsdepo:

• wallet: paypal
• credit card: visa
• other

returns differentialsdepo:

• policy: no returns