Yukon Gear & Axle Inner Axle Seal

2007–2018 Jeep Wrangler

Part #: YMS473517

Overview

The Yukon Gear & Axle Inner Axle Seal is a precision-engineered component designed specifically for the front axles of 2007 to 2018 Jeep Wrangler models. Crafted to fit 35 spline aftermarket axles, this seal ensures a reliable, leak-proof barrier that protects your vehicle’s drivetrain from contaminants and fluid loss. Ideal for Jeep enthusiasts and off-roaders alike, this seal maintains the integrity of Dana Spicer 30 and 44 axles, helping to preserve optimal performance and extend the life of your axle components.

Whether you are upgrading your axle setup or replacing a worn seal, the Yukon Mighty Seal offers a durable and dependable solution that stands up to the rigors of daily driving and off-road adventures. Its advanced design and manufacturing technologies provide a tight fit that lasts, minimizing maintenance and downtime.

Key Features

Engineered for durability and precision, the Yukon Inner Axle Seal delivers superior sealing performance. Key features include:

• Precision fit for 35 spline aftermarket axles, ensuring compatibility with popular Jeep Wrangler front axle setups
• Designed specifically for Dana Spicer 30 and 44 axles, maintaining drivetrain integrity
• Advanced sealing technology to prevent leaks and contamination from dirt, water, and debris
• Manufactured using high-quality materials for long-lasting durability and resistance to wear
• Improves overall axle performance by maintaining proper lubrication and preventing fluid loss
• Easy to install with a direct-fit design, requiring no modifications
• Ideal for both replacement and upgrade applications on Jeep Wrangler models from 2007 to 2018

Construction & Design

The Yukon Inner Axle Seal is constructed from premium elastomeric materials that provide excellent resistance to heat, oil, and environmental contaminants. The seal’s design incorporates advanced lip geometry to maintain a tight, consistent seal around the axle shaft, reducing the risk of leaks under harsh operating conditions. Precision manufacturing processes ensure dimensional accuracy and a perfect fit, which is critical for maintaining axle performance and preventing premature wear.

Durability is enhanced through the use of reinforced sealing lips and corrosion-resistant components, making this seal a reliable choice for both on-road and off-road use. The robust construction ensures that the seal maintains its integrity even in demanding environments, contributing to longer service intervals and reduced maintenance costs.

Installation & Fitment

This inner axle seal is designed for straightforward installation on 2007–2018 Jeep Wrangler front axles equipped with 35 spline aftermarket axles, specifically Dana Spicer 30 and 44 models. The direct-fit design allows for a hassle-free replacement without the need for special tools or modifications. Proper installation ensures a secure seal that protects your axle assembly from leaks and contamination, preserving drivetrain performance and reliability.

For best results, it is recommended to inspect the axle housing and shaft surfaces for wear or damage before installation. Replacing the seal during axle service or upgrades helps maintain optimal sealing performance and extends the life of your drivetrain components.

What's Included

• One Yukon Gear & Axle Inner Axle Seal (Front)
• Installation instructions

Ideal For

This inner axle seal is perfect for Jeep Wrangler owners who demand reliable, long-lasting sealing solutions for their front axles. It is especially suited for off-road enthusiasts, daily drivers, and anyone upgrading to 35 spline aftermarket axles. Whether you are performing routine maintenance or enhancing your vehicle’s drivetrain, the Yukon Inner Axle Seal provides dependable protection and performance.

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.