National 711080 Differential Pinion Seal - Rear Outer

Overview of National 711080 Differential Pinion Seal

The National 711080 differential pinion seal is engineered for reliable sealing performance in Chrysler and Dodge vehicles, including the Avenger, Journey, and Sebring models. Designed with a bi-directional lip, this oil seal helps maintain optimal differential function by preventing fluid leaks.

• Bi-directional lip design for effective sealing
• Fluoro-elastomer material for enhanced durability and chemical resistance
• Housing bore diameter: 3.071 inches (78.0 mm)
• Outside diameter: 3.079 inches (78.2 mm)
• Shaft diameter: 1.378 inches (35.0 mm)
• Width: 0.354 inches (9.0 mm)
• Part of the 711000 series for consistent quality

Technical Details and Material Specifications

This differential pinion seal from National is constructed using fluoro-elastomer, a material known for its resistance to heat, oil, and wear, making it suitable for demanding driveline applications. The seal features a 32-type design with a bi-directional lip, which ensures effective sealing against fluid leakage in both rotational directions. The precise dimensions, including a 3.071-inch housing bore and a 1.378-inch shaft diameter, make it compatible with specific Chrysler and Dodge models such as the Avenger, Journey, and Sebring.

Compatible Vehicles and Applications

This National 711080 differential pinion seal is compatible with the following vehicles:

• Chrysler Avenger
• Dodge Journey
• Chrysler Sebring

It is designed to maintain the integrity of the differential assembly by preventing oil leaks that can lead to driveline damage or reduced performance.

Common Issues Addressed by the National 711080 Seal

• Prevents differential oil leaks that cause contamination and wear
• Reduces risk of driveline component damage due to insufficient lubrication
• Minimizes noise and vibration caused by fluid loss
• Helps maintain proper differential pressure and function
• Protects against dirt and debris ingress into the differential housing

Installation Notes and Tips

• Ensure the housing bore and shaft dimensions match the seal specifications before installation
• Clean the sealing surfaces thoroughly to avoid premature seal failure
• Use appropriate tools to press the seal evenly into the housing bore
• Inspect the shaft for wear or damage prior to installation
• Apply a light coating of differential oil on the seal lip to facilitate installation and initial operation

Quality Assurance and Warranty Information

National manufactures the 711080 differential pinion seal to meet industry standards for durability and performance. The use of fluoro-elastomer material ensures resistance to heat and chemical degradation. This part is part of the 711000 series, reflecting consistent quality control. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.