National 223014 Manual Transmission Input Shaft Seal

National 223014 Manual Transmission Input Shaft Seal Overview

The National 223014 manual transmission input shaft seal is engineered to provide reliable sealing performance for a variety of vehicles including Acura, Ford, Honda, Nissan, and more. Designed with a fluoro-elastomer sealing material and a clockwise-spiral lip design, this oil seal ensures effective protection against leaks and contamination.

• Inside diameter: 1.181 inches (30.000 mm)
• Outside diameter: 1.780 inches (45.200 mm)
• Thickness/width: 0.236 inches (6.000 mm)
• Material: Durable fluoro-elastomer
• Helix type: Clockwise-spiral lip design for enhanced sealing
• Housing bore compatibility: 1.772 inches (45.000 mm)
• Part type: Manual transmission input shaft seal

Technical Details and Material Specifications

The National 223014 seal is constructed from fluoro-elastomer, a material known for its resistance to heat, oil, and chemical degradation, making it suitable for demanding transmission environments. The clockwise-spiral lip design helps maintain a tight seal around the input shaft, preventing oil leaks and ingress of dirt or debris. With precise dimensions including a 1.181-inch inside diameter and a 1.780-inch outside diameter, this seal fits housing bores measuring approximately 1.772 inches, ensuring a secure and accurate fit.

Compatible Vehicles and Applications

This manual transmission input shaft seal is compatible with a wide range of makes and models, including Acura 350Z and 370Z, Ford Bronco II and Ranger, Honda Passport and Odyssey, Nissan Frontier and 350Z, as well as models from Chrysler, Dodge, Hyundai, Isuzu, Kia, Mitsubishi, Plymouth, and more. The part number 223014 is specifically designed to meet the sealing requirements of these vehicles’ manual transmissions.

Common Issues Addressed by the National 223014 Seal

• Prevents oil leaks from the manual transmission input shaft
• Protects transmission internals from dirt and contaminants
• Reduces risk of premature transmission wear due to fluid loss
• Maintains proper lubrication within the transmission system
• Helps avoid costly transmission repairs caused by seal failure

Installation Notes and Tips

When installing the National 223014 input 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 clockwise-spiral lip design for optimal performance. It is recommended to inspect the input shaft for wear or damage before installation to ensure a proper seal.

Quality Assurance and Warranty Information

National manufactures the 223014 input shaft seal to meet industry standards for durability and performance. The fluoro-elastomer material and precision engineering provide reliable sealing under typical operating conditions. This part is backed by National’s quality assurance processes, ensuring consistent fit and function. Warranty coverage details should be confirmed with the original equipment manufacturer or distributor.