National 223543 Manual Transmission Output Shaft Seal - Left or Right

Overview of National 223543 Manual Transmission Output Shaft Seal

The National 223543 manual transmission output shaft seal is engineered to provide reliable sealing performance for a range of vehicles including Dodge, Ford, Honda, Hyundai, Kia, Mazda, Mercury, Mitsubishi, and Plymouth models. Designed with durable nitrile material, this oil seal ensures effective protection against leaks and contamination in manual transmission systems.

• Inside diameter: 1.378 inches (35.000 mm)
• Outside diameter: 2.215 inches (56.270 mm)
• Thickness/width: 0.394 inches (10.000 mm)
• Sealing material: Nitrile for resistance to oil and wear
• Compatible with multiple vehicle makes and models

Technical Specifications and Material Details

This manual transmission output shaft seal from National is part of the 220000 series and features a 32-type design. The seal’s nitrile construction offers excellent resistance to oil, heat, and mechanical wear, making it suitable for demanding transmission environments. The precise dimensions, including a 1.378-inch inside diameter and a 2.215-inch outside diameter, ensure a secure fit within the housing bore of 2.205 inches (56.000 mm). The 0.394-inch thickness provides adequate sealing surface to prevent fluid leakage along the output shaft.

Compatible Vehicles and Fitment Details

This output shaft seal is compatible with a variety of manual transmission vehicles. It fits models such as the Dodge 323, Ford Escort, Honda Prelude, Hyundai Elantra, Kia Rio, Mazda MX-6, Mercury Capri, Mitsubishi Eclipse, and Plymouth Sundance among others. The part number 223543 is specifically designed to meet the sealing requirements of these vehicles, ensuring proper fit and function.

Common Applications and Problem Resolution

• Prevents transmission fluid leaks from the output shaft area
• Protects transmission internals from dirt and contaminants
• Reduces wear on transmission components by maintaining proper lubrication
• Helps maintain transmission performance and longevity
• Addresses issues related to worn or damaged output shaft seals

Installation Notes and Tips

When installing the National 223543 output shaft seal, ensure the transmission housing bore is clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip. Verify the seal orientation matches the original part to maintain proper sealing function. Lubricate the seal lip with transmission fluid before installation to reduce initial wear.

Quality Assurance and Warranty

National manufactures this output shaft seal to meet industry standards for durability and performance. The nitrile material and precise dimensions contribute to a reliable seal that supports transmission integrity. While specific warranty details are not provided, National products typically adhere to quality control processes to ensure consistent product reliability.