Yukon Gear & Axle Chromoly Rear Axle Kit
2018–2019 Jeep Wrangler JL 3.6L V6 / 2.0L Turbo
Part #: YA WD35JL-K
Overview
The Yukon Gear Chromoly Rear Axle Kit is engineered specifically for the 2018 and 2019 Jeep Wrangler JL models equipped with either the 3.6L V6 or 2.0L Turbo engines. Designed for off-road enthusiasts and performance drivers alike, this axle kit delivers exceptional strength and reliability under demanding conditions. Whether you’re tackling rugged trails or upgrading your vehicle’s drivetrain for enhanced durability, Yukon’s high-performance axle kit provides the confidence and toughness needed to handle increased torque and harsh terrain.
Built to withstand the rigors of off-road use and heavy-duty applications, this rear axle kit offers a direct fit solution that maintains factory compatibility while significantly improving axle strength and longevity. It is an ideal upgrade for Jeep owners looking to enhance their vehicle’s drivetrain performance without compromising reliability.
Key Features
This Yukon Gear Chromoly Rear Axle Kit incorporates advanced manufacturing techniques and premium materials to ensure superior performance and durability. Key features include:
- Constructed from high-tensile strength 4340 chromoly steel for maximum toughness
- Cold roll formed splines that provide precise fitment and increased spline strength
- Advanced induction coil heat treating process enhances wear resistance and fatigue life
- 29 spline axle shafts designed to handle high torque loads and off-road stresses
- 32.3-inch axle length optimized for Jeep Wrangler JL rear axle applications
- Direct bolt-in replacement for 2018–2019 Jeep Wrangler JL 3.6L and 2.0L Turbo models
- Engineered to improve drivetrain durability without requiring modifications
- Manufactured by Yukon Gear & Axle, a trusted name in performance drivetrain components
Construction & Design
The Yukon Gear Chromoly Rear Axle Kit is crafted from premium 4340 chromoly steel, known for its exceptional tensile strength and toughness. This material choice ensures the axle shafts can endure extreme torque and impact forces commonly encountered during off-road driving or heavy towing. The cold roll forming process used on the splines enhances their dimensional accuracy and surface finish, resulting in improved spline engagement and reduced wear.
Additionally, the axle shafts undergo an advanced induction coil heat treating process, which hardens the surface while maintaining a tough core. This treatment significantly increases resistance to fatigue and stress fractures, extending the service life of the axle components. The 29 spline design provides a robust interface with the differential, capable of handling the power output of both the 3.6L V6 and 2.0L Turbo engines found in the Jeep Wrangler JL.
Installation & Fitment
This rear axle kit is designed as a direct fit replacement for the 2018 and 2019 Jeep Wrangler JL models equipped with 3.6L V6 or 2.0L Turbo engines. Installation requires no modifications to the axle housing or surrounding components, allowing for a straightforward swap with factory parts. Professional installation is recommended to ensure proper torque specifications and alignment are maintained for optimal performance and safety.
What's Included
- One pair of 29 spline chromoly rear axle shafts (32.3 inches in length)
- Installation instructions and technical support from Yukon Gear & Axle
Ideal For
This axle kit is ideal for Jeep Wrangler JL owners who demand enhanced drivetrain strength for off-road adventures, rock crawling, or heavy-duty use. It suits enthusiasts upgrading their vehicle for increased torque capacity and durability, as well as those seeking a reliable replacement for factory axles prone to wear or failure under extreme conditions.
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.
Yukon Gear Chromoly Rear Axle Kit 29 Spline 32.3in (REAR): Jeep Wrangler JL 2018-2019 3.6L/2.0L Turbo
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YA WD35JL-K Yukon Gear & Axle 18-19 Jeep Wrangler Chromoly Rear Axle Kit. Yukon high-performance axles are crafted from high-tensile 4340 chromoly for exceptional strength and durability. Featuring cold roll formed splines and advanced induction coil heat treating, this rear axle kit ensures superior reliability and long-lasting performance. Designed specifically for 18-19 Jeep Wrangler 3.6L V6 and 2.0L Turbo models, it delivers enhanced drivetrain toughness for off-road and daily driving demands.
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Yukon Gear & Axle Chromoly Rear Axle Kit
2018–2019 Jeep Wrangler JL 3.6L V6 / 2.0L Turbo
Part #: YA WD35JL-K
Overview
The Yukon Gear Chromoly Rear Axle Kit is engineered specifically for the 2018 and 2019 Jeep Wrangler JL models equipped with either the 3.6L V6 or 2.0L Turbo engines. Designed for off-road enthusiasts and performance drivers alike, this axle kit delivers exceptional strength and reliability under demanding conditions. Whether you’re tackling rugged trails or upgrading your vehicle’s drivetrain for enhanced durability, Yukon’s high-performance axle kit provides the confidence and toughness needed to handle increased torque and harsh terrain.
Built to withstand the rigors of off-road use and heavy-duty applications, this rear axle kit offers a direct fit solution that maintains factory compatibility while significantly improving axle strength and longevity. It is an ideal upgrade for Jeep owners looking to enhance their vehicle’s drivetrain performance without compromising reliability.
Key Features
This Yukon Gear Chromoly Rear Axle Kit incorporates advanced manufacturing techniques and premium materials to ensure superior performance and durability. Key features include:
- Constructed from high-tensile strength 4340 chromoly steel for maximum toughness
- Cold roll formed splines that provide precise fitment and increased spline strength
- Advanced induction coil heat treating process enhances wear resistance and fatigue life
- 29 spline axle shafts designed to handle high torque loads and off-road stresses
- 32.3-inch axle length optimized for Jeep Wrangler JL rear axle applications
- Direct bolt-in replacement for 2018–2019 Jeep Wrangler JL 3.6L and 2.0L Turbo models
- Engineered to improve drivetrain durability without requiring modifications
- Manufactured by Yukon Gear & Axle, a trusted name in performance drivetrain components
Construction & Design
The Yukon Gear Chromoly Rear Axle Kit is crafted from premium 4340 chromoly steel, known for its exceptional tensile strength and toughness. This material choice ensures the axle shafts can endure extreme torque and impact forces commonly encountered during off-road driving or heavy towing. The cold roll forming process used on the splines enhances their dimensional accuracy and surface finish, resulting in improved spline engagement and reduced wear.
Additionally, the axle shafts undergo an advanced induction coil heat treating process, which hardens the surface while maintaining a tough core. This treatment significantly increases resistance to fatigue and stress fractures, extending the service life of the axle components. The 29 spline design provides a robust interface with the differential, capable of handling the power output of both the 3.6L V6 and 2.0L Turbo engines found in the Jeep Wrangler JL.
Installation & Fitment
This rear axle kit is designed as a direct fit replacement for the 2018 and 2019 Jeep Wrangler JL models equipped with 3.6L V6 or 2.0L Turbo engines. Installation requires no modifications to the axle housing or surrounding components, allowing for a straightforward swap with factory parts. Professional installation is recommended to ensure proper torque specifications and alignment are maintained for optimal performance and safety.
What's Included
- One pair of 29 spline chromoly rear axle shafts (32.3 inches in length)
- Installation instructions and technical support from Yukon Gear & Axle
Ideal For
This axle kit is ideal for Jeep Wrangler JL owners who demand enhanced drivetrain strength for off-road adventures, rock crawling, or heavy-duty use. It suits enthusiasts upgrading their vehicle for increased torque capacity and durability, as well as those seeking a reliable replacement for factory axles prone to wear or failure under extreme conditions.
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.
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YEARMAKEMODELSUBMODEL2018 - 2019JeepWrangler2.0L Turbo2018 - 2019JeepWrangler3.6L V6
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Standard shipping
Free Standard Shipping on orders over $300. Select “Free Shipping” at checkout. *Exclusions apply on oversized and freight items.
Free Easy Returns
Need to return an item? We make it easy. Email us and we'll send you a free return label with instructions on how to return.