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Motive Gear Differential Ring and Pinion Complete Kit for Jeep Wrangler 2007-2018 - MGK-108

Upgrade Your Jeep's Drivetrain with the Motive Gear MGK-108

Looking to enhance your 2007-2018 Jeep Wrangler JK Rubicon? The Motive Gear MGK-108 Differential Complete Ring and Pinion Kit is your go-to solution for both on-road and off-road performance. Designed specifically for the Dana 44 differential, this kit delivers the durability and precision that serious Jeep enthusiasts demand.

Why Choose the MGK-108?

Motive Gear is renowned for producing some of the toughest drivetrain components in the automotive industry. With a rich history in racing, their products are rigorously tested to ensure top-notch performance and reliability. The MGK-108 kit features a 5.38 gear ratio, making it perfect for those who want to tackle rugged terrains or improve their off-road capabilities without sacrificing street performance.

Key Features

  • Ring Gear Rotation: Standard Rear (D44-538JK)
  • Pinion Gear Tooth Quantity: 8
  • Differential Case Design Type: Dana 44
  • Ring Gear Material: 8620 Steel
  • Ring Gear Diameter: 8.5 inches
  • Ring Gear Tooth Quantity: 43
  • Pinion Shaft Diameter: 1.376 inches
  • Pinion Spline Count: 24
  • Ring Gear Bolt Quantity: 10
  • Cover Bolt Quantity: 10

Fitment Information

This kit is designed to fit Jeep Wrangler JK Rubicon models from 2007 to 2018 equipped with a Dana 44 front and rear differential. It's an ideal upgrade for those looking to improve torque management and overall drivability.

Installation Notes

When installing the MGK-108, it's crucial to ensure proper setup to avoid any drivetrain noise or premature wear. This kit includes everything you need for a complete installation, including Timken bearing kits, ensuring you have high-quality components throughout your drivetrain.

Customer Feedback

One 2015 Jeep Wrangler JK Rubicon owner shared, "I installed the MGK-108 kit last weekend, and the difference was night and day! The 5.38 ratio gave me the low-end torque I needed for off-roading, and I didn’t notice any issues on the highway. Highly recommend this for anyone looking to upgrade!"

Important Safety Information

As with all automotive components, please be aware of the California Proposition 65 warning regarding potential exposure to chemicals known to cause cancer and reproductive harm. For more information, visit www.P65Warnings.ca.gov.

Proposition 65

⚠ WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle
2007-2018
 Jeep Wrangler

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Who is Motive Gear?

Motive Gear is a Midwest Truck and Auto Parts division specializing in producing high-quality drivetrain components for the automotive industry. They offer a wide range of products from differential bearing kits, ring and pinion gear sets, transmission kits and components, transfer case parts, and replacement axle shafts. Today, Motive Gear is one of the most sought-after brands when it comes to drivetrain parts.

Quality and Affordable Parts

Motive Gear provides high-quality drivetrain parts at an affordable price. All of their products are designed using the latest manufacturing equipment and goes through an extensive quality control test. It ensures that their products achieve a perfect fit, provides optimum performance and longevity.

Choice Of Champions

Their products are also used by many racers from various racing disciplines such as IHRA, NHRA, NMRA, SODA, NMCA, BITD, and NASCAR. It is a testament to the quality and performance their product provides. Their racing participation also allows the company to gather vital data that lets them improve their products further. 

Purchase Motive Gear Products At Vivid Racing

If you are planning to upgrade your drivetrain and are searching for a company that you can trust, then Motive Gear is the brand for you. Over the years, they have consistently given customers parts that they can rely on and have proven that quality parts do not always have to be expensive. To know more about Motive Gear, visit Vivid Racing and check out their list of products that fit your specific requirement.







At Motive Gear, from inception to inspection, our parts surpass rigorous quality control tests. When you open your Motive Gear box, you can see the quality of our hard work. Our highly qualified quality control technicians are up-to-date on the latest industry innovations to ensure that the quality of our product is unsurpassed. Our parts are TOUGH. We back our Motive Gear Performance ring & pinion gear sets with a 2 year / 100,000 mile no-nonsense warranty and all other products with a 1 year / 50,000 mile warranty

Installation Instructions

Click to view the Installation Instructions here

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