Eaton Helical Gear Limited Slip Differential

1994–2002 Dodge Ram 2500 / Dodge Ram 3500 Rear Dana 60

913A389

Overview:

The Eaton Helical Gear Limited Slip Differential is engineered to enhance traction and improve handling for your Dodge Ram 2500 and Ram 3500 models from 1994 to 2002. Designed specifically for the rear Dana 60 axle with 30 spline axle shafts, this differential delivers reliable, maintenance-free performance. Its helical gear design ensures smooth, automatic engagement in both forward and reverse, making it an excellent upgrade for drivers seeking improved acceleration and control without the need for special lubrication or friction modifiers.

Ideal for truck owners who demand better traction in varying driving conditions, this Eaton differential optimizes torque bias ratios to maximize wheel grip and vehicle stability. Whether you’re towing heavy loads, navigating off-road terrain, or driving on slippery surfaces, this limited slip differential provides consistent power distribution to both rear wheels, reducing wheel spin and enhancing overall drivability.

Key Features:

Built with advanced helical gear technology, the Eaton Helical Gear Limited Slip Differential offers a range of benefits that improve your vehicle’s performance and reliability:

• Helical gear design for smooth, quiet, and durable operation
• Automatic limited slip engagement in both forward and reverse directions
• Maintenance-free with no special lubrication or friction modifiers required
• Optimized torque bias ratios for maximum acceleration and handling
• Compatible with 30 spline axle shafts and 1.31-inch axle shaft diameter
• Fits rear Dana 60 axles with ring and pinion ratios of 4.10 and lower
• Enhances traction on slippery or uneven surfaces
• Improves vehicle stability during cornering and acceleration
• Durable construction designed to withstand heavy-duty use

Construction & Design:

The Eaton Helical Gear Limited Slip Differential is crafted from high-strength materials engineered for durability and long service life. Its precision-machined helical gears provide continuous, smooth engagement without the clunking or chatter associated with traditional clutch-type limited slip differentials. The design eliminates the need for clutch packs or friction plates, reducing maintenance requirements and improving reliability under heavy loads.

Engineered specifically for the Dana 60 axle, this differential matches the exact spline count and axle shaft diameter to ensure a perfect fit and seamless integration with your vehicle’s drivetrain. Eaton’s advanced engineering ensures that the differential can handle the torque and stress demands of heavy-duty trucks like the Dodge Ram 2500 and 3500, making it a trusted choice for both daily driving and demanding work applications.

Installation & Fitment:

This Eaton limited slip differential is designed as a direct replacement for the rear Dana 60 axle in Dodge Ram 2500 and Ram 3500 trucks from 1994 through 2002. Installation requires standard differential service procedures and should be performed by a qualified technician to ensure proper setup and preload. No modifications to the axle or drivetrain are necessary, and it is compatible with ring and pinion ratios of 4.10 and lower.

Because it is maintenance-free and does not require special lubricants, this differential simplifies upkeep and reduces long-term ownership costs. It is an ideal upgrade for those looking to improve traction and handling without extensive mechanical changes.

What's Included:

• Eaton Helical Gear Limited Slip Differential assembly
• Installation instructions
• Warranty information

Ideal For:

This Eaton Helical Gear Limited Slip Differential is perfect for Dodge Ram 2500 and 3500 owners who need enhanced traction and control for towing, hauling, off-road driving, or daily use. It suits drivers who want a durable, maintenance-free solution that improves acceleration and handling without compromising reliability or requiring special maintenance.

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.