National HM804810 Differential Pinion Race - Front Inner or Rear Inner

National HM804810 Differential Pinion Race Overview

The National HM804810 differential pinion race is a precision-engineered taper bearing cup designed for driveline and axle applications. This component is essential for maintaining proper bearing alignment and smooth operation in various GM, Ford, Dodge, and Ram vehicles.

• Cup bore diameter: 3.7500 inches (95.25 mm)
• Cup length: 0.9063 inches (23.02 mm)
• Cup radius: 0.1250 inches (3.175 mm)
• Part type: Taper bearing cup
• Compatible with multiple makes and models including Chevrolet Silverado, GMC Sierra, Cadillac Escalade, Ford F-250, Dodge Ram 2500, and more

Detailed Product Description

The HM804810 differential pinion race by National is manufactured to meet exacting specifications for durability and fitment. The taper bearing cup features a 3.75-inch bore diameter and a length of just over 0.9 inches, providing a precise seating surface for the pinion bearing. The 0.125-inch radius ensures smooth bearing operation and helps reduce wear on the differential components. This part is engineered to fit a wide range of vehicles, including Chevrolet C1500 and C2500 Suburban, Cadillac DeVille and Eldorado, Ford F-350, and Ram 3500 models, among others.

Applications and Problem Solving

• Restores proper bearing alignment in differential assemblies
• Replaces worn or damaged pinion bearing cups to prevent noise and vibration
• Helps maintain correct preload on pinion bearings for optimal driveline performance
• Prevents premature wear of differential gears and bearings
• Supports smooth and reliable operation of heavy-duty trucks and SUVs

Installation Notes and Tips

When installing the National HM804810 differential pinion race, ensure the cup bore and seating surface are clean and free of debris. Use appropriate tools to press the bearing cup evenly into the differential housing to avoid distortion. Verify the cup length and radius match OEM specifications to maintain proper bearing preload and alignment. It is recommended to inspect related bearings and seals during installation for comprehensive driveline maintenance.

Quality Assurance and Warranty

National manufactures the HM804810 differential pinion race to meet industry standards for quality and durability. While specific warranty details are not provided, National parts are known for consistent manufacturing quality and reliable fitment across compatible vehicle models. Always verify part number compatibility with your vehicle before installation.