Yukon Gear & Axle Outer Stub Axle
2010–2018 Dodge Ram 2500 / 3500 5.7L Hemi, 6.7L Diesel, 6.4L 392
Part #: YA W42003
Overview
The Yukon 4340 1550 Outer Stub Axle is engineered for heavy-duty performance and durability, designed specifically for Dodge Ram 2500 and 3500 models from 2010 to 2018. Built to withstand the rigors of demanding driving conditions, this axle is ideal for enthusiasts and professionals who require reliable drivetrain components capable of handling high torque and power outputs from engines such as the 5.7L Hemi, 6.7L Diesel, and 6.4L 392 HEMI.
Whether you are upgrading your truck for towing, off-roading, or daily driving, this stub axle delivers exceptional strength and longevity, ensuring your vehicle’s axle assembly remains robust under stress.
Key Features
Yukon Gear & Axle’s 4340 Outer Stub Axle incorporates advanced manufacturing techniques and premium materials to provide superior performance and durability. Key features include:
- Constructed from high-tensile strength 4340 chromoly steel for maximum toughness
- Cold roll formed splines for precise fitment and enhanced spline strength
- Advanced induction coil heat treating process to improve wear resistance and fatigue life
- Designed to meet or exceed OEM specifications for fit and function
- Compatible with 9.25-inch axle housings commonly found in Ram 2500 and 3500 trucks
- Engineered to handle high torque loads from HEMI and diesel engines
- Corrosion-resistant finish for extended service life in harsh environments
Construction & Design
This outer stub axle is crafted from premium 4340 chromoly steel, known for its exceptional strength-to-weight ratio and resistance to impact and fatigue. The cold roll forming of the splines ensures a tight, accurate spline profile that enhances torque transfer and reduces the risk of spline wear or failure. The induction coil heat treating process further strengthens the axle by hardening the surface while maintaining a tough core, resulting in a component that resists cracking and deformation under heavy loads.
The design is optimized for direct replacement in Dodge Ram 2500 and 3500 trucks equipped with 9.25-inch axles, ensuring seamless installation without the need for modifications.
Installation & Fitment
The Yukon 4340 Outer Stub Axle is a direct-fit replacement part for 2010 through 2018 Dodge Ram 2500 and 3500 models with 5.7L Hemi, 6.7L Diesel, and 6.4L 392 engines. Installation requires standard axle disassembly tools and procedures. No special modifications are necessary, making it suitable for professional mechanics and experienced DIY installers alike. Proper installation ensures optimal drivetrain performance and reliability.
What's Included
- One Yukon 4340 1550 Outer Stub Axle (Part # YA W42003)
Ideal For
This stub axle is ideal for Dodge Ram owners seeking a durable, high-performance axle component capable of handling increased power and torque. It is well-suited for:
- Heavy towing and hauling applications
- Off-road and rugged terrain driving
- Performance upgrades and engine swaps
- Replacement of worn or damaged factory axles
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 4340 1550 Outer Stub Axle 9.25in: Ram 2500 / 3500 2010-2018 5.7L Hemi / 6.7L Diesel
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YA W42003 Yukon Gear & Axle 10-18 Ram 2500 / 3500 Outer Stub Axle 9.25in. 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 heavy loads. Designed to fit Ram 2500 and 3500 models with 5.7L Hemi, 6.7L Diesel, and 6.4L 392 engines, they provide enhanced performance and long-lasting service for demanding driving conditions.
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Yukon Gear & Axle Outer Stub Axle
2010–2018 Dodge Ram 2500 / 3500 5.7L Hemi, 6.7L Diesel, 6.4L 392
Part #: YA W42003
Overview
The Yukon 4340 1550 Outer Stub Axle is engineered for heavy-duty performance and durability, designed specifically for Dodge Ram 2500 and 3500 models from 2010 to 2018. Built to withstand the rigors of demanding driving conditions, this axle is ideal for enthusiasts and professionals who require reliable drivetrain components capable of handling high torque and power outputs from engines such as the 5.7L Hemi, 6.7L Diesel, and 6.4L 392 HEMI.
Whether you are upgrading your truck for towing, off-roading, or daily driving, this stub axle delivers exceptional strength and longevity, ensuring your vehicle’s axle assembly remains robust under stress.
Key Features
Yukon Gear & Axle’s 4340 Outer Stub Axle incorporates advanced manufacturing techniques and premium materials to provide superior performance and durability. Key features include:
- Constructed from high-tensile strength 4340 chromoly steel for maximum toughness
- Cold roll formed splines for precise fitment and enhanced spline strength
- Advanced induction coil heat treating process to improve wear resistance and fatigue life
- Designed to meet or exceed OEM specifications for fit and function
- Compatible with 9.25-inch axle housings commonly found in Ram 2500 and 3500 trucks
- Engineered to handle high torque loads from HEMI and diesel engines
- Corrosion-resistant finish for extended service life in harsh environments
Construction & Design
This outer stub axle is crafted from premium 4340 chromoly steel, known for its exceptional strength-to-weight ratio and resistance to impact and fatigue. The cold roll forming of the splines ensures a tight, accurate spline profile that enhances torque transfer and reduces the risk of spline wear or failure. The induction coil heat treating process further strengthens the axle by hardening the surface while maintaining a tough core, resulting in a component that resists cracking and deformation under heavy loads.
The design is optimized for direct replacement in Dodge Ram 2500 and 3500 trucks equipped with 9.25-inch axles, ensuring seamless installation without the need for modifications.
Installation & Fitment
The Yukon 4340 Outer Stub Axle is a direct-fit replacement part for 2010 through 2018 Dodge Ram 2500 and 3500 models with 5.7L Hemi, 6.7L Diesel, and 6.4L 392 engines. Installation requires standard axle disassembly tools and procedures. No special modifications are necessary, making it suitable for professional mechanics and experienced DIY installers alike. Proper installation ensures optimal drivetrain performance and reliability.
What's Included
- One Yukon 4340 1550 Outer Stub Axle (Part # YA W42003)
Ideal For
This stub axle is ideal for Dodge Ram owners seeking a durable, high-performance axle component capable of handling increased power and torque. It is well-suited for:
- Heavy towing and hauling applications
- Off-road and rugged terrain driving
- Performance upgrades and engine swaps
- Replacement of worn or damaged factory axles
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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YEARMAKEMODELSUBMODEL2010DodgeRam 25005.7L Hemi2010DodgeRam 25006.7L Diesel2011 - 2018Ram25005.7L Hemi2014 - 2018Ram25006.4L 3922011 - 2018Ram25006.7L Diesel2011 - 2018Ram35005.7L Hemi2014 - 2018Ram35006.4L 3922011 - 2018Ram35006.7L Diesel
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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.