Timken 3984 Differential Bearing - Rear, Rear Inner or Rear Outer

Timken Differential Bearing 3984 Overview

The Timken 3984 differential bearing is engineered to provide reliable performance for heavy-duty vehicles. Designed with precise dimensions, this bearing supports driveline components in Chevrolet, Dodge, GMC, and Ram trucks, ensuring smooth differential operation.

• Inside diameter options: 2.625 inches (66.68 mm)
• Cone radius measurements: 0.138 inches and 3.50 inches
• Cone width dimensions: 1.183 inches and 30.05 mm
• Compatible with multiple heavy-duty truck models
• Durable construction for extended service life

Technical Specifications and Design Details

The Timken 3984 differential bearing features dual inside diameter measurements of 2.625 inches (66.68 mm), accommodating precise fitment requirements. The cone radius is specified at both 0.138 inches and 3.50 inches, allowing for optimal load distribution within the differential assembly. Additionally, the cone width is measured at 1.183 inches and 30.05 mm, ensuring proper seating and alignment. These detailed attributes contribute to the bearing's ability to maintain stability and reduce friction under demanding conditions.

Compatible Vehicles and Applications

This differential bearing is compatible with a range of Chevrolet, Dodge, GMC, and Ram heavy-duty trucks. Specifically, it fits Chevrolet Avalanche 2500, Silverado 3500, GMC Sierra 3500, Dodge Ram 2500, Ram 2500 Van, Ram 3500, and Ram 3500 Van models. The Timken 3984 is designed to meet the rigorous demands of these vehicles' driveline and axle systems, supporting differential function and drivetrain reliability.

• Supports differential bearing replacement in Chevrolet Avalanche 2500 and Silverado 3500
• Suitable for Dodge Ram 2500 and Ram 3500 Van differential maintenance
• Compatible with GMC Sierra 3500 differential assemblies

Common Issues Addressed by Timken 3984 Differential Bearing

• Eliminates excessive differential noise caused by worn bearings
• Reduces vibration and uneven wear in driveline components
• Prevents premature failure of axle assemblies due to bearing degradation
• Improves differential gear alignment and smooth operation
• Mitigates heat buildup from friction in the differential system

Installation Notes and Tips

When installing the Timken 3984 differential bearing, ensure the bearing surfaces are clean and free of debris. Proper lubrication is essential to prevent premature wear. Verify the inside diameter and cone dimensions match the vehicle’s specifications before installation. Use appropriate tools to avoid damage to the bearing or surrounding components. It is recommended to inspect related driveline parts during replacement to maintain overall system integrity.

Quality Assurance and Warranty

Timken manufactures the 3984 differential bearing to meet industry standards for durability and precision. While specific warranty details are not provided, Timken products typically undergo rigorous quality control to ensure consistent performance. Using genuine Timken bearings helps maintain the reliability of Chevrolet, Dodge, GMC, and Ram driveline systems.