Yukon Gear D30 JK SRP 3.73 Ratio Ring & Pinion Gear Set — Fits Jeep Wrangler JK

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SKU: YUKYG D30SR-373JK
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Sale price$376.99 Regular price$391.00
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Car Wheel Size Chart

Wheel Diameter (inches) Tire Width (mm) Aspect Ratio Rim Width (inches)
14185655.5
15195606.0
16205556.5
17215507.0
18225457.5
19235408.0
20245358.5

Note: Wheel and tire sizes vary by car make and model. Always consult your vehicle’s manufacturer for exact specifications.

How to Read Tire Size

Example: 225/45R17 means:

  • 225 = Tire width in mm
  • 45 = Aspect ratio (height as % of width)
  • R17 = Rim diameter in inches

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Yukon Gear & Axle High Performance Replacement Gear Set

Dana 30 JK (Short Pinion) - 3.73 Ratio

Optimize your Jeep Wrangler JK's performance with this high-quality ring and pinion gear set from Yukon Gear & Axle. Featuring a 3.73 ratio specifically designed for the Dana 30 JK short pinion differential, this set is engineered to provide a significant upgrade in drivability and efficiency for stock to moderately modified Jeeps.

Yukon Gear & Axle is recognized globally for its commitment to excellence in drivetrain components. This gear set benefits from advanced design, superior heat-treating processes, and meticulous quality control, ensuring it meets the most demanding specifications. The advanced tooth surface finish minimizes friction and heat, contributing to longer gear life and smoother operation. Constructed from high-grade steel and manufactured to precise OEM standards, this set ensures a perfect fit and reliable power delivery for your JK.

  • Balanced Gear Ratio: The 3.73 ratio is an excellent choice for Jeep JK models with stock or slightly larger tires, improving acceleration and fuel economy compared to stock gearing.
  • Durable Construction: Made from high-grade steel for exceptional strength and resistance to wear.
  • Reduced Friction & Heat: Features an advanced surface finish that minimizes heat buildup and friction during operation.
  • JK Specific Fitment: Designed for the Dana 30 differential found in Jeep Wrangler JK models (2007-2018).
  • Improved Drivability: Enhances on-road manners and off-road capability by optimizing engine RPMs.

Invest in your Jeep Wrangler JK's performance and longevity with a gear set you can trust. This Yukon Gear & Axle ring and pinion set comes with a 1-year warranty against manufacturing defects. Get the best drivetrain upgrades at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2007-2010 Jeep Wrangler X
2007-2017 Jeep Wrangler Rubicon
2007-2017 Jeep Wrangler Sahara
2007-2017 Jeep Wrangler Unlimited Rubicon
2007-2018 Jeep Wrangler Unlimited Sahara
2010-2018 Jeep Wrangler Sport
2010-2018 Jeep Wrangler Unlimited Sport
2011 Jeep Wrangler 70th Anniversary
2016 Jeep Wrangler 75th Anniversary
2016 Jeep Wrangler Sport S
2016 Jeep Wrangler Unlimited 75th Anniversary
2016 Jeep Wrangler Unlimited Sport S
2018 Jeep Wrangler Sport S
2018 Jeep Wrangler Unlimited Sport S
2018 Jeep Wrangler JK Sahara
2018 Jeep Wrangler JK Sport
2018 Jeep Wrangler JK Unlimited Sahara
2018 Jeep Wrangler JK Unlimited Sport

Product Details

Product Description
Part Numbers
Sizing & Fit

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Yukon Gear & Axle High Performance Replacement Gear Set

Dana 30 JK (Short Pinion) - 3.73 Ratio

Optimize your Jeep Wrangler JK's performance with this high-quality ring and pinion gear set from Yukon Gear & Axle. Featuring a 3.73 ratio specifically designed for the Dana 30 JK short pinion differential, this set is engineered to provide a significant upgrade in drivability and efficiency for stock to moderately modified Jeeps.

Yukon Gear & Axle is recognized globally for its commitment to excellence in drivetrain components. This gear set benefits from advanced design, superior heat-treating processes, and meticulous quality control, ensuring it meets the most demanding specifications. The advanced tooth surface finish minimizes friction and heat, contributing to longer gear life and smoother operation. Constructed from high-grade steel and manufactured to precise OEM standards, this set ensures a perfect fit and reliable power delivery for your JK.

  • Balanced Gear Ratio: The 3.73 ratio is an excellent choice for Jeep JK models with stock or slightly larger tires, improving acceleration and fuel economy compared to stock gearing.
  • Durable Construction: Made from high-grade steel for exceptional strength and resistance to wear.
  • Reduced Friction & Heat: Features an advanced surface finish that minimizes heat buildup and friction during operation.
  • JK Specific Fitment: Designed for the Dana 30 differential found in Jeep Wrangler JK models (2007-2018).
  • Improved Drivability: Enhances on-road manners and off-road capability by optimizing engine RPMs.

Invest in your Jeep Wrangler JK's performance and longevity with a gear set you can trust. This Yukon Gear & Axle ring and pinion set comes with a 1-year warranty against manufacturing defects. Get the best drivetrain upgrades at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2007-2010 Jeep Wrangler X
2007-2017 Jeep Wrangler Rubicon
2007-2017 Jeep Wrangler Sahara
2007-2017 Jeep Wrangler Unlimited Rubicon
2007-2018 Jeep Wrangler Unlimited Sahara
2010-2018 Jeep Wrangler Sport
2010-2018 Jeep Wrangler Unlimited Sport
2011 Jeep Wrangler 70th Anniversary
2016 Jeep Wrangler 75th Anniversary
2016 Jeep Wrangler Sport S
2016 Jeep Wrangler Unlimited 75th Anniversary
2016 Jeep Wrangler Unlimited Sport S
2018 Jeep Wrangler Sport S
2018 Jeep Wrangler Unlimited Sport S
2018 Jeep Wrangler JK Sahara
2018 Jeep Wrangler JK Sport
2018 Jeep Wrangler JK Unlimited Sahara
2018 Jeep Wrangler JK Unlimited Sport

Product Details

Product Description

About Yukon Gear & Axle

Yukon Gear & Axle is the off-road and truck differential expert — gear sets, lockers, axle shafts, and complete axle assemblies for Dana 30, Dana 44, Dana 60, and modern AAM axles. The trusted source for rock-crawler and overland gear changes.

Yukon Gear & Axle High Performance Replacement Gear Set

Dana 30 JK (Short Pinion) - 3.73 Ratio

Optimize your Jeep Wrangler JK's performance with this high-quality ring and pinion gear set from Yukon Gear & Axle. Featuring a 3.73 ratio specifically designed for the Dana 30 JK short pinion differential, this set is engineered to provide a significant upgrade in drivability and efficiency for stock to moderately modified Jeeps.

Yukon Gear & Axle is recognized globally for its commitment to excellence in drivetrain components. This gear set benefits from advanced design, superior heat-treating processes, and meticulous quality control, ensuring it meets the most demanding specifications. The advanced tooth surface finish minimizes friction and heat, contributing to longer gear life and smoother operation. Constructed from high-grade steel and manufactured to precise OEM standards, this set ensures a perfect fit and reliable power delivery for your JK.

  • Balanced Gear Ratio: The 3.73 ratio is an excellent choice for Jeep JK models with stock or slightly larger tires, improving acceleration and fuel economy compared to stock gearing.
  • Durable Construction: Made from high-grade steel for exceptional strength and resistance to wear.
  • Reduced Friction & Heat: Features an advanced surface finish that minimizes heat buildup and friction during operation.
  • JK Specific Fitment: Designed for the Dana 30 differential found in Jeep Wrangler JK models (2007-2018).
  • Improved Drivability: Enhances on-road manners and off-road capability by optimizing engine RPMs.

Invest in your Jeep Wrangler JK's performance and longevity with a gear set you can trust. This Yukon Gear & Axle ring and pinion set comes with a 1-year warranty against manufacturing defects. Get the best drivetrain upgrades at GGCRACING.

Vehicle Fitment

Years Make Model Trim
2007-2010 Jeep Wrangler X
2007-2017 Jeep Wrangler Rubicon
2007-2017 Jeep Wrangler Sahara
2007-2017 Jeep Wrangler Unlimited Rubicon
2007-2018 Jeep Wrangler Unlimited Sahara
2010-2018 Jeep Wrangler Sport
2010-2018 Jeep Wrangler Unlimited Sport
2011 Jeep Wrangler 70th Anniversary
2016 Jeep Wrangler 75th Anniversary
2016 Jeep Wrangler Sport S
2016 Jeep Wrangler Unlimited 75th Anniversary
2016 Jeep Wrangler Unlimited Sport S
2018 Jeep Wrangler Sport S
2018 Jeep Wrangler Unlimited Sport S
2018 Jeep Wrangler JK Sahara
2018 Jeep Wrangler JK Sport
2018 Jeep Wrangler JK Unlimited Sahara
2018 Jeep Wrangler JK Unlimited Sport

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