National 8515N Differential Pinion Seal - Rear Outer

Overview of National 8515N Differential Pinion Seal

The National 8515N differential pinion seal is designed to provide reliable sealing performance for Chrysler and Dodge vehicles. Engineered with precision, this oil seal helps maintain proper lubrication and prevents leaks in the driveline system.

• Inside diameter: 1.875 inches (47.630 mm)
• Outside diameter: 2.816 inches (71.530 mm)
• Flanged outside diameter: 3.378 inches (85.801 mm)
• Thickness/width: 0.770 inches (19.560 mm)
• Material: Durable polyacrylate for effective sealing
• Housing bore diameter: 2.812 inches (71.420 mm)
• Compatible with Chrysler and Dodge models including 300, Challenger, Dart, Imperial, Monaco, Newport, New Yorker, and Town & Country

Technical Details and Specifications

The National 8515N differential pinion seal is part of the 8000 series and is constructed from polyacrylate, a material known for its resistance to heat and oil degradation. The seal features a 1.875-inch shaft diameter and a 2.816-inch outside diameter, ensuring a precise fit within the differential housing bore of 2.812 inches. Its flanged outside diameter of 3.378 inches provides additional stability during installation. With a thickness of 0.770 inches, this seal maintains a secure barrier to prevent oil leaks and contamination.

Compatible Vehicles and Applications

This differential pinion seal is compatible with a range of Chrysler and Dodge vehicles, including the Chrysler 300, Dodge Challenger, Dart, Imperial, Monaco, Newport, New Yorker, and Town & Country models. The part number 8515N ensures you receive the correct seal designed specifically for these driveline systems.

Common Issues Addressed by the 8515N Seal

• Prevents differential oil leaks that can cause driveline damage
• Maintains proper lubrication within the pinion gear area
• Reduces contamination from dirt and debris entering the differential
• Helps avoid premature wear of differential components
• Ensures consistent performance of the driveline system

Installation Notes and Tips

When installing the National 8515N differential pinion seal, ensure the housing bore and shaft are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the flange or sealing lip. Verify the seal is seated flush with the housing bore to prevent leaks. Lubricate the seal lip lightly with differential oil before installation to reduce initial wear.

Quality Assurance and Warranty

National manufactures the 8515N differential pinion seal to meet industry standards for durability and performance. Made from high-quality polyacrylate material, this seal is engineered to withstand the operating conditions of Chrysler and Dodge differentials. While specific warranty details may vary, National products typically come with a limited warranty against manufacturing defects to ensure customer confidence in product reliability.