Yukon Gear & Axle Gear & Install Kit

2007–2018 Jeep Wrangler JK 3.6L/3.8L V6

Part #: YGK017

Overview

The Yukon Gear & Axle Gear & Install Kit with a 5.38 ratio is a comprehensive solution designed specifically for Jeep Wrangler JK models from 2007 through 2018 equipped with 3.6L or 3.8L V6 engines. This all-in-one kit simplifies the re-gear process by including both front and rear ring and pinion gear sets along with the necessary Yukon Master Overhaul Kits. Whether you are upgrading for larger tires, enhancing towing capacity, improving off-road performance, or replacing worn factory gears, this kit provides everything needed for a precise and reliable gear swap.

Yukon Gear & Axle is renowned for delivering high-performance gear sets that meet the rigorous demands of automotive enthusiasts and professionals alike. This kit ensures your Jeep’s drivetrain operates smoothly and efficiently, maintaining optimal power transfer and durability under demanding conditions.

Key Features

Engineered for quality and performance, the Yukon Gear & Axle Gear & Install Kit offers:

• Complete front and rear ring and pinion gear sets for balanced drivetrain performance
• 5.38 gear ratio optimized for improved torque and power delivery
• Includes Yukon Master Overhaul Kits for proper installation and long-lasting reliability
• Advanced heat-treating processes for superior strength and wear resistance
• Precision-machined gears with exacting tolerances for smooth operation
• State-of-the-art design and engineering to meet or exceed OEM specifications
• Lifetime Yukon Y.E.S. Plan warranty for peace of mind and long-term protection
• Ideal for upgrading tire size, towing, or restoring worn gear sets
• Compatible with Jeep Wrangler JK 3.6L and 3.8L V6 engines from 2007 to 2018

Construction & Design

Yukon Gear & Axle employs cutting-edge manufacturing techniques and premium materials to produce gear sets that withstand extreme conditions. Each gear is crafted from high-grade alloy steel and undergoes advanced heat treatment to enhance hardness and durability. The precision machining process ensures a perfect tooth profile and surface finish, reducing noise and vibration while maximizing gear life. The included overhaul kits contain all necessary bearings, seals, and shims, engineered to fit perfectly and maintain proper gear alignment.

This meticulous attention to detail guarantees that the gear sets deliver consistent performance and reliability, whether on the street, trail, or during heavy towing.

Installation & Fitment

The Yukon Gear & Axle Gear & Install Kit is designed for direct fitment on 2007–2011 Jeep Wrangler JK models with the 3.8L V6 engine, as well as 2012–2017 and 2018 models equipped with the 3.6L V6 engine. Installation requires standard gear installation tools and mechanical knowledge, but the included overhaul kits simplify the process by providing all necessary components in one package. Proper installation ensures optimal gear mesh and backlash settings, critical for long-term durability and quiet operation.

This kit is ideal for enthusiasts performing a full re-gear to accommodate larger tires or restore factory performance after gear wear.

What's Included

• Front ring and pinion gear set (5.38 ratio)
• Rear ring and pinion gear set (5.38 ratio)
• Yukon Master Overhaul Kits for front and rear axles
• Bearings, seals, shims, and installation hardware
• Comprehensive installation instructions

Ideal For

• Jeep Wrangler JK owners upgrading to larger tires
• Off-road enthusiasts seeking improved torque and drivetrain durability
• Drivers requiring enhanced towing capability
• Anyone replacing worn or damaged factory gears
• Mechanics and DIYers looking for a complete, reliable re-gear solution

Yukon Gear & Axle supplies hardcore drivetrain components—ring & pinion gears, axles, lockers, and differential upgrades—built for off-road and high-load performance. Trusted by enthusiasts and installers, Yukon focuses on fit, strength, and proven options for re-gearing and reinforcing trucks and 4x4s running bigger tires and tougher terrain.