Yukon YGK079 Re-Gear Kit JL Non-Rubicon 4.88 D30/D44 |

Fitment:

2018-2023 Jeep Wrangler JL (Non Rubicon)

Compatible Differentials
Dana 30 / 186mm Front, Jeep JL
Dana 44/ 220mm Rear, Jeep JL

Features:

• Gear and Kit Package for Dana 44 Rear, Dana 30 Front
• 4:88 Gear Ratio
• Yukon products are built to the highest standards
• Engineered using state-of-the-art design software
• Manufactured for dependable performance

Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

🔍 Product Overview

This Yukon Gear & Install Kit pairs matched front and rear 4.88 ring & pinion sets with the correct Yukon Master Overhaul Kits to re-gear your 2018+ Jeep Wrangler JL Non-Rubicon (Dana 30/M186 front, Dana 44/M220 rear). It’s an all-in-one solution engineered to restore power after larger tires, improve crawl ratios off-road, and maintain drivability on road—without the guesswork of mixing parts.

⚡ Key Features & Benefits

• Complete front + rear solution: ring & pinion gears plus master install kits matched for JL Non-Rubicon axles
• 4.88 ratio helps recover performance lost to bigger tires and added weight
• Quality components engineered and tested by Yukon Gear & Axle
• Master kits include bearings, shims, seals, ring gear bolts, and small parts for a thorough rebuild
• Reduced downtime and ordering complexity—one part number covers both axles
• Backed by Yukon’s industry-leading support and optional Y.E.S. Plan coverage

🔧 Installation & Setup

• Professional installation strongly recommended; precise pinion depth, backlash, and pattern setup are required
• Verify axle IDs: JL Non-Rubicon uses Dana 30 (M186) front and Dana 44 (M220) rear
• Use all new bearings, races, seals, and hardware supplied in the master overhaul kits
• Follow Yukon’s installation instructions and torque specifications for your axle(s)
• Break-in is critical: perform multiple heat cycles and avoid towing/aggressive driving during initial mileage; change gear oil after the initial break-in interval as directed by Yukon

📊 Technical Specifications

🚗 Vehicle Compatibility

• Jeep Wrangler JL (2018+), Non-Rubicon trims only (Sport, Sport S, Sahara, Willys)
• Front: Dana 30 (M186); Rear: Dana 44 (M220)
• 2-Door and 4-Door models
• Not for JL Rubicon (uses different front axle)

📦 What's Included

• Front 4.88 ring & pinion gear set (Dana 30/M186 JL)
• Rear 4.88 ring & pinion gear set (Dana 44/M220 JL)
• Two Yukon Master Overhaul Kits with application-specific bearings, races, shims, seals, hardware, marking compound, brush, and threadlocker (contents may vary by application)

🛡️ Warranty & Support

• Covered by Yukon’s limited warranty; details and registration requirements apply
• Yukon Y.E.S. Plan (optional) offers lifetime, no-questions-asked gear set protection—contact manufacturer for eligibility and terms
• For installation instructions, torque specs, and the most current technical data, consult the official Yukon Gear & Axle documentation