Yukon Gear & Install Kit Package Jeep JL Non-Rubicon D44 (M220) R / D30 (M186) F - 4.88 Ratio - Black Ops Auto Works
Click to zoom in

Yukon Gear & Install Kit Package Jeep JL Non-Rubicon D44 (M220) R / D30 (M186) F - 4.88 Ratio

YUKYGK079
883584310792
Differential Install Kits
9 Units In Stock - Ships Next Business Day
$ 877.89
$ 877.89

SKU: YGK079 | UPC: 883584310792

Yukon Gear & Install Kit Package Jeep JL Non-Rubicon D44 (M220) R / D30 (M186) F - 4.88 Ratio 2018-2023 Wrangler

Yukon Gear Kits deliver front Dana 30 (M186) and rear Dana 44 (M220) 4.88 ratio ring and pinion sets plus master overhaul kits for Jeep Wrangler JL non-Rubicon models from 2018 to 2023. These kits contain all bearings and small parts to rebuild differentials completely. Increase low-end torque for larger tires off-road or towing with matched gear ratios in one package.

Key Features

  • 4.88 Gear Ratio – Matches front D30 reverse-cut and rear D44 for balanced power delivery on 35-37 inch tires
  • High-Performance Gears – Advanced heat treatment and precision machining for durability under extreme conditions
  • Master Overhaul Kits – Includes bearings crush sleeves seals and shims for full differential rebuilds
  • One-Part-Number Convenience – Everything needed for front and rear regear in single kit
  • Y.E.S. Protection Plan – Lifetime no-questions-asked coverage for gear set as long as you own the vehicle
  • Exact Fitment – Designed for Jeep JL non-Rubicon axles with state-of-the-art quality testing

Specifications

Detail Value
Brand Yukon Gear & Axle
Type Gear and Install Kit Package
Compatibility 2018-2023 Jeep Wrangler JL Non-Rubicon D30 Front D44 Rear
Gear Ratio 4.88
Front Axle Dana 30 M186 Reverse
Rear Axle Dana 44 M220
MPN YGK079
Weight 38.5 lbs
Shipping Dimensions 22 x 18 x 10 inches
Country of Origin USA
Warranty Y.E.S. Lifetime Gear Protection

Whats Included

  • Front Dana 30 M186 4.88 ring and pinion set (YK D30-488R-JLFRONT)
  • Rear Dana 44 M220 4.88 ring and pinion set (YK D44-M220-488)
  • Front Dana 30 master overhaul kit (MK D30-JK)
  • Rear Dana 44 master overhaul kit (MK D44-M220)
  • All necessary bearings seals shims and hardware

Product Notes

  • For non-Rubicon models only Rubicon uses different axles
  • Professional installation recommended for proper setup
  • Pair with larger tires for optimal off-road torque and towing

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?

  • Leaders in automotive gear design with exacting quality standards
  • Advanced heat-treating and testing for long-lasting performance
  • Complete kits reduce install time and costs
  • Y.E.S. plan provides lifetime coverage on gears

Frequently Asked Questions

  • Q: Does this kit fit Jeep Wrangler JL Rubicon models?
  • A: No this kit fits non-Rubicon JL models with D30 front and D44 rear axles
  • Q: What gear ratio is included?
  • A: 4.88 ratio for both front and rear matched sets
  • Q: What warranty comes with this kit?
  • A: Y.E.S. lifetime protection plan covers the gear set for life of vehicle ownership

Shipping & Handling

  • Method: UPS Ground
  • Availability: In stock – ships same or next business day
  • Packaging: Heavy-duty box with protective foam inserts 22x18x10 inches 38.5 lbs

Request For Information

Have questions about Yukon Gear & Install Kit Package Jeep JL Non-Rubicon D44 (M220) R / D30 (M186) F - 4.88 Ratio? Fill out the form below and we'll get back to you by the next business day.
Differential Install Kits

Differential Install Kits

Differential Install Kits are stocked at Black Ops Auto Works for performance projects and dependable replacement work. Differential Install Kits provide the bearings, races, seals, shims, crush sleeves and setup hardware needed when rebuilding or re-gearing an axle. Shop master install kits, mini install kits, pinion install kits, carrier bearings, solid spacers and axle-specific hardware for Dana, GM, Ford, Chrysler, Jeep and Toyota applications. Every product is filterable by year, make, model, trim, engine and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 114 differential install kits products across street, truck, track, restoration and custom-build applications. What This Differential Install Kits Collection Covers This collection supports axle work on Dana 30, Dana 44, Dana 60, Ford 8.8, Ford 9-inch, GM 10-bolt, GM 8.6, GM 11.5 and Chrysler rear ends. Product pages should be matched to the exact differential model, spline count, axle ge...

View Differential Install Kits Products
Differentials & Components

Differentials & Components

Differentials and components at Black Ops Auto Works include diff braces, diff covers, rebuild and overhaul kits, differential bushings and mounts, limited-slip differentials, yokes, and final drive gears built for street, towing, off-road, and racing applications. Black Ops Auto Works carries 1,332 drivetrain SKUs from Yukon Gear and Axle, ARB, OS Giken, SuperPro, and Per4mance Development, spanning Hellcat and Trackhawk platforms, trucks, Jeep Wrangler, and sport compacts. What This Collection Covers This collection combines fifteen related differential and drivetrain categories, including diff braces, diff covers and gaskets, rebuild and overhaul kits, install kits, seal kits, bushings, mounts, housings, dropouts, spider gears, yokes, complete differentials, and final drive gears. Product Types in This Collection Shoppers will find billet differential braces for high-horsepower RWD platforms, nodular iron and aluminum diff covers, master overhaul kits, differential-to-cradle ...

View Differentials & Components Products
Drivetrain

Drivetrain

Drivetrain parts for high-horsepower Mopar, truck, Jeep, and import platforms are stocked at Black Ops Auto Works. Shop differentials, axles, driveshafts, clutch kits, flywheels, flexplates, shifters, transmission components, ring and pinion gears, differential braces, and driveline hardware for Hellcat, Trackhawk, TRX, HEMI, LS, LT, Coyote, and turbocharged import platforms. Every drivetrain part is filterable by vehicle platform, drivetrain layout, transmission type, and power level so the correct part ships the first time. Black Ops Auto Works carries 4,765 drivetrain SKUs across differentials, axles, clutches, and transmission hardware. What This Category Covers The drivetrain transfers power from the engine to the wheels and includes the transmission, clutch, driveshafts, axles, differentials, ring and pinion gears, wheel hubs, wheel bearings, U-joints, shifters, mounts, and bushings. Upgrading these components improves power delivery, durability, and reliability under incr...

View Drivetrain Products
Yukon Gear & Axle

Yukon Gear & Axle

Yukon Gear and Axle drivetrain parts are stocked at Black Ops Auto Works for GM, Ford, Chrysler, Ram, and Jeep platforms. Shop ring and pinion sets, positraction and locker units, axle overhaul kits, differential covers, driveshafts, and manual transmission rebuild components for Dana 60/61, GM 8.2/8.5/8.6/9.5, Ford 8.8/9/10.25/10.5, and Chrysler 8.25/9.25 inch axles. Yukon parts are proven in extreme-duty use, including King of the Hammers and Moab rock crawling events, and every part here is filterable by axle size, gear ratio, and spline count. Black Ops Auto Works carries 1122 Yukon Gear and Axle SKUs across ring and pinion, differential, and axle rebuild categories. What This Brand Covers Yukon Gear and Axle builds ring and pinion sets, differential carriers, positraction and locking differentials, axle shafts, bearing and seal kits, driveshafts, and manual transmission rebuild components for domestic trucks, SUVs, and Jeeps. The brand is best known for supporting extreme-d...

View Yukon Gear & Axle Products
Military & First Responder Discounts

Military & First Responder Discount Program

Black Ops Auto Works proudly honors active duty military, veterans, National Guard, reserves, police officers, firefighters, and EMTs with an exclusive 5% discount on all performance parts and carbon fiber upgrades. Verify instantly and start saving today.

Learn More & Apply

Your cart

×