National 482208 Manual Transmission Input Shaft Seal

Overview of National Manual Transmission Input Shaft Seal 482208

The National 482208 manual transmission input shaft seal is engineered to provide reliable sealing performance for a range of Ford, Jeep, and Mercury vehicles. Constructed from durable nitrile material, this oil seal is designed to maintain transmission fluid integrity and prevent leaks in demanding driving conditions.

• Material: High-quality nitrile for resistance to oil and wear
• Inside Diameter: 1.125 inches (28.580 mm)
• Outside Diameter: 1.628 inches (41.350 mm)
• Thickness/Width: 0.245 inches (6.220 mm)
• Redicoat surface treatment for enhanced durability
• Compatible with multiple Ford, Jeep, and Mercury models

Detailed Product Description and Specifications

The National 482208 input shaft seal is part of the 480000 series, designed specifically for manual transmissions. Its nitrile construction offers excellent resistance to heat, oil, and mechanical wear, ensuring a long service life. The seal features a precise inside diameter of 1.125 inches (28.580 mm) to fit the input shaft snugly, while the outside diameter of 1.628 inches (41.350 mm) matches the housing bore dimensions for a secure fit. The thickness of 0.245 inches (6.220 mm) provides adequate sealing surface without compromising installation ease. Additionally, the Redicoat treatment enhances the seal’s resistance to corrosion and abrasion, contributing to consistent performance over time.

Compatible Vehicles and Applications

This manual transmission input shaft seal is compatible with a variety of Ford, Jeep, and Mercury models, including but not limited to:

• Ford F-100, F-150, F-250, F-350, Econoline series (E-100 Econoline, E-100 Econoline Club Wagon)
• Jeep Cherokee, CJ5, CJ7, Wagoneer
• Mercury Marauder, Colony Park, Villager, LTD, Mustang, Thunderbird
• Other models such as J10, J20

Common Issues Addressed by the National 482208 Seal

• Prevents transmission fluid leaks from the input shaft area
• Reduces contamination of transmission internals by dirt and debris
• Maintains proper lubrication within the manual transmission
• Minimizes wear on transmission components caused by fluid loss
• Helps avoid costly transmission repairs due to seal failure

Installation Notes and Tips

• Ensure the transmission input shaft and housing bore are clean and free of debris before installation
• Use appropriate tools to press the seal evenly into the housing bore without distortion
• Verify the seal orientation matches manufacturer specifications, with the Redicoat side facing outward
• Check shaft dimensions to confirm compatibility with the 1.125 inch (28.580 mm) inside diameter
• Inspect the seal after installation for proper seating and absence of damage

Quality Assurance and Warranty Information

National seals are manufactured to meet industry standards for durability and performance. The 482208 manual transmission input shaft seal undergoes rigorous quality control to ensure dimensional accuracy and material integrity. While specific warranty terms may vary, National typically offers coverage against manufacturing defects to provide confidence in product reliability.