Yukon Gear & Axle Rear Axle
1997–2018 Jeep Wrangler 2.5L I4, 4.0L I6, 3.8L V6, 3.6L V6
Part #: YA WD44-35-32.0
Overview
The Yukon Gear 4340 Chromoly Rear Axle with 35 splines is engineered for Jeep Wrangler enthusiasts seeking a durable, high-performance upgrade. Designed to withstand the rigors of off-road adventures and heavy-duty use, this axle delivers exceptional strength and reliability. It is compatible with Jeep Wrangler models from 1997 through 2018, covering a wide range of engine options including the 2.5L I4, 4.0L I6, 3.8L V6, and 3.6L V6 engines.
Built to meet the demands of serious off-roaders and performance drivers, this axle enhances drivetrain durability and helps maintain vehicle control under extreme conditions. Whether you’re tackling rocky trails or upgrading your Jeep’s drivetrain for increased torque capacity, the Yukon Gear 4340 Chromoly Rear Axle is a trusted choice.
Key Features
This rear axle combines advanced materials and manufacturing techniques to provide superior performance and longevity. Key features include:
- Constructed from high-tensile strength 4340 chromoly steel for maximum durability
- Cold roll formed splines for precise fitment and enhanced strength
- Advanced induction coil heat treating to improve wear resistance and toughness
- 35 spline design optimized for heavy-duty applications and increased torque handling
- Direct fit replacement for Jeep Wrangler models from 1997 to 2018 with specified engines
- Manufactured by Yukon Gear & Axle, a leader in performance drivetrain components
- Designed to withstand off-road abuse and high-stress driving conditions
Construction & Design
The Yukon Gear 4340 Chromoly Rear Axle is crafted from premium 4340 chromoly steel, known for its exceptional tensile strength and toughness. This material choice ensures the axle can endure extreme loads and impacts commonly encountered during off-road driving and high-performance use.
The axle’s splines are cold roll formed, a process that enhances the grain structure of the steel, resulting in increased strength and fatigue resistance. Additionally, the axle undergoes induction coil heat treating, which hardens the surface while maintaining a tough core, providing an ideal balance of wear resistance and durability.
Every axle is precision engineered to meet strict quality standards, ensuring a reliable fit and long service life in demanding environments.
Installation & Fitment
This rear axle is designed as a direct bolt-in replacement for Jeep Wrangler models spanning 1997 to 2018, covering multiple engine configurations including 2.5L I4, 4.0L I6, 3.8L V6, and 3.6L V6. Installation typically requires no modifications to the axle housing or surrounding components, making it a straightforward upgrade for experienced mechanics and off-road enthusiasts alike.
Proper installation will maintain factory alignment and drivetrain geometry, ensuring optimal performance and reliability. It is recommended to have installation performed by a qualified technician or experienced DIYer familiar with Jeep drivetrain components.
What’s Included
- One Yukon Gear 4340 Chromoly Rear Axle, 35 spline
- Installation instructions (where applicable)
Ideal For
This axle is ideal for Jeep Wrangler owners who demand enhanced strength and durability from their drivetrain components. It is especially suited for:
- Off-road enthusiasts tackling challenging terrain
- Performance drivers seeking improved torque capacity
- Jeep owners upgrading worn or stock axles for greater reliability
- Anyone requiring a heavy-duty axle capable of handling aftermarket modifications and increased power
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 4340 Chromoly Rear Axle 35 Spline (REAR): Jeep Wrangler 1997-2018
- Unit price
- /per
What does the Available to Promise date mean?
ETA stands for Estimated Time of Arrival. The date shown is calculated using our Available-to-Promise (ATP) system, which tracks real-time supplier commitments to determine when a product is expected to be available for delivery. Specifically, the date is calculated by adding 9 business days from the date a supplier has committed to ship the product, representing a worst-case scenario for when we can expect to receive inventory.
Please note: The ETA is an estimate, not a guarantee. While we work closely with our suppliers to keep dates as accurate as possible, delays due to shipping carriers, weather, customs, or supplier-side issues may occasionally push the actual arrival beyond the date shown. Likewise, inventory may arrive sooner than the ETA in many cases. If you would like to be notified for when this item arrives, sign up for our back in stock notifications!
YA WD44-35-32.0 Yukon Gear & Axle 97-18 Jeep Wrangler 4.0L I6 / 3.8L V6 / 3.6L V6 / 2.5L I4 Rear Axle 35 Spline. 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, these axles deliver superior wear resistance and reliability under extreme conditions. Ideal for off-road enthusiasts seeking enhanced drivetrain performance and long-lasting toughness.
FREE GROUND SHIPPING
Adding product to your cart
Yukon Gear & Axle Rear Axle
1997–2018 Jeep Wrangler 2.5L I4, 4.0L I6, 3.8L V6, 3.6L V6
Part #: YA WD44-35-32.0
Overview
The Yukon Gear 4340 Chromoly Rear Axle with 35 splines is engineered for Jeep Wrangler enthusiasts seeking a durable, high-performance upgrade. Designed to withstand the rigors of off-road adventures and heavy-duty use, this axle delivers exceptional strength and reliability. It is compatible with Jeep Wrangler models from 1997 through 2018, covering a wide range of engine options including the 2.5L I4, 4.0L I6, 3.8L V6, and 3.6L V6 engines.
Built to meet the demands of serious off-roaders and performance drivers, this axle enhances drivetrain durability and helps maintain vehicle control under extreme conditions. Whether you’re tackling rocky trails or upgrading your Jeep’s drivetrain for increased torque capacity, the Yukon Gear 4340 Chromoly Rear Axle is a trusted choice.
Key Features
This rear axle combines advanced materials and manufacturing techniques to provide superior performance and longevity. Key features include:
- Constructed from high-tensile strength 4340 chromoly steel for maximum durability
- Cold roll formed splines for precise fitment and enhanced strength
- Advanced induction coil heat treating to improve wear resistance and toughness
- 35 spline design optimized for heavy-duty applications and increased torque handling
- Direct fit replacement for Jeep Wrangler models from 1997 to 2018 with specified engines
- Manufactured by Yukon Gear & Axle, a leader in performance drivetrain components
- Designed to withstand off-road abuse and high-stress driving conditions
Construction & Design
The Yukon Gear 4340 Chromoly Rear Axle is crafted from premium 4340 chromoly steel, known for its exceptional tensile strength and toughness. This material choice ensures the axle can endure extreme loads and impacts commonly encountered during off-road driving and high-performance use.
The axle’s splines are cold roll formed, a process that enhances the grain structure of the steel, resulting in increased strength and fatigue resistance. Additionally, the axle undergoes induction coil heat treating, which hardens the surface while maintaining a tough core, providing an ideal balance of wear resistance and durability.
Every axle is precision engineered to meet strict quality standards, ensuring a reliable fit and long service life in demanding environments.
Installation & Fitment
This rear axle is designed as a direct bolt-in replacement for Jeep Wrangler models spanning 1997 to 2018, covering multiple engine configurations including 2.5L I4, 4.0L I6, 3.8L V6, and 3.6L V6. Installation typically requires no modifications to the axle housing or surrounding components, making it a straightforward upgrade for experienced mechanics and off-road enthusiasts alike.
Proper installation will maintain factory alignment and drivetrain geometry, ensuring optimal performance and reliability. It is recommended to have installation performed by a qualified technician or experienced DIYer familiar with Jeep drivetrain components.
What’s Included
- One Yukon Gear 4340 Chromoly Rear Axle, 35 spline
- Installation instructions (where applicable)
Ideal For
This axle is ideal for Jeep Wrangler owners who demand enhanced strength and durability from their drivetrain components. It is especially suited for:
- Off-road enthusiasts tackling challenging terrain
- Performance drivers seeking improved torque capacity
- Jeep owners upgrading worn or stock axles for greater reliability
- Anyone requiring a heavy-duty axle capable of handling aftermarket modifications and increased power
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.
-
-
YEARMAKEMODELSUBMODEL1997 - 2002JeepWrangler2.5L I42012 - 2017JeepWrangler3.6L V62007 - 2011JeepWrangler3.8L V61997 - 2006JeepWrangler4.0L I62018JeepWrangler JK3.6L V6
-
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.
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.