Eaton Rear Master Install Kit

Fits Most Chrysler/Dodge (92-10)

K-C9.25-10R

Overview:

The Eaton Rear Master Install Kit is a comprehensive solution designed to simplify the installation or upgrade of your rear differential, specifically tailored for a wide range of Dodge and Chrysler vehicles. Whether you are replacing your ring and pinion gears or installing a new Eaton differential, this kit provides all the essential components in one convenient package. Crafted for enthusiasts and professional mechanics alike, it ensures a precise fit and reliable performance for your vehicle’s Chrysler 9.25-inch rear differential.

With Eaton’s reputation for quality and durability, this master install kit is ideal for those seeking to maintain or enhance their vehicle’s drivetrain integrity. It supports a broad spectrum of models, including popular trucks, muscle cars, and performance vehicles, making it a versatile choice for many applications.

Key Features:

This Eaton Rear Master Install Kit offers premium components engineered for long-lasting durability and smooth operation. Key features include:

• Complete installation kit containing all necessary components for rear differential assembly
• Premium-grade bearings designed for extended life and quiet operation
• Includes 12 cover bolts and 12 ring gear bolts for secure fastening
• Compatible with Chrysler 9.25-inch rear differentials featuring 31 axle spline and 29 pinion spline
• Standard rotation design suitable for a wide range of Dodge and Chrysler models
• Precision-engineered components to ensure proper gear alignment and optimal performance
• Manufactured to meet or exceed OEM specifications for reliable fitment and durability
• Supports both installation of Eaton differentials and ring and pinion replacements

Construction & Design:

The Eaton Rear Master Install Kit is built with high-quality materials to withstand the rigors of daily driving and high-performance use. Bearings and hardware are crafted from premium steel alloys, providing exceptional strength and resistance to wear. Eaton’s engineering expertise ensures that each component fits precisely within the Chrysler 9.25-inch differential housing, maintaining proper gear mesh and minimizing noise and vibration. This meticulous design contributes to a smooth, quiet, and reliable drivetrain operation.

Installation & Fitment:

Installation of the Eaton Rear Master Install Kit is straightforward for experienced mechanics and knowledgeable enthusiasts. The kit includes all the necessary bolts and bearings, eliminating the need to source individual parts. It is designed for direct fitment on Chrysler 9.25-inch rear differentials found in various Dodge and Chrysler models from 1994 through 2010, covering trucks, SUVs, and performance cars. No major modifications are required, but proper tools and mechanical knowledge are recommended to ensure correct installation and gear setup.

What's Included:

• Premium bearings for rear differential
• 12 differential cover bolts
• 12 ring gear bolts
• All necessary hardware for ring and pinion installation
• Components compatible with 31 axle spline and 29 pinion spline configurations

Ideal For:

This master install kit is perfect for vehicle owners and mechanics who are upgrading or repairing the rear differential on Dodge Ram 1500 and 2500 trucks, Dodge Viper sports cars, Dodge Dakota pickups, Dodge Durango SUVs, Dodge Neon compact cars, Chrysler 300 sedans, Dodge Magnum wagons, Dodge Charger muscle cars, and Dodge Challenger performance coupes. It is especially suited for those who demand OEM-quality components and a hassle-free installation process.

Eaton produces well-known performance drivetrain solutions—especially differentials and supporting install components—designed to help put power down more effectively. Eaton is also recognized for performance automotive supercharger technology (including TVS systems) used in various high-performance applications where consistent airflow and traction are critical.