Timken 1147 Manual Transmission Output Shaft Seal - Left or Right

Reliable Manual Transmission Output Shaft Seal for Honda Vehicles

The Timken 1147 Manual Transmission Output Shaft Seal is engineered to provide a precise fit and durable sealing solution for select Honda models. Designed to maintain transmission fluid integrity, this seal helps prevent leaks and ensures smooth operation of your vehicle's manual transmission system.

• Outside Diameter: 3.003 inches (76.28 mm)
• Shaft Diameter: 1.378 inches (35.00 mm)
• Housing Bore: 2.992 inches (76.00 mm)
• Width: 0.354 inches (9.00 mm)
• Helix Type: Clockwise (CW)
• Material: N-polyacrylate for enhanced durability and resistance

Precision Engineering and Material Specifications

The Timken 1147 output shaft seal is constructed from N-polyacrylate, a material known for its resistance to heat, wear, and transmission fluids. Its 3.003-inch outside diameter and 1.378-inch shaft diameter ensure a tight, secure fit within the housing bore of 2.992 inches. The 0.354-inch width provides adequate sealing surface to prevent fluid leakage. The clockwise helix design aids in effective sealing under rotational forces, making it suitable for manual transmissions in Honda Accord, Civic, Civic del Sol, CRX, and Prelude models.

Compatible Honda Models and Applications

This manual transmission output shaft seal is compatible with the following Honda vehicles:

• Honda Accord
• Honda Civic
• Honda Civic del Sol
• Honda CRX
• Honda Prelude

It is specifically designed to replace worn or damaged seals in these models, helping to maintain transmission performance and prevent fluid leaks.

Common Issues Addressed by Timken 1147 Seal

• Prevents manual transmission fluid leaks from the output shaft area
• Reduces contamination of transmission internals by sealing against dirt and debris
• Minimizes wear on transmission components by maintaining proper lubrication
• Helps avoid costly transmission repairs due to fluid loss
• Maintains smooth gear shifting by preserving transmission integrity

Installation Notes and Tips

• Ensure the transmission output 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 damage
• Verify the helix direction matches the rotational direction of the output shaft (clockwise)
• Inspect the shaft for wear or damage that could compromise the seal's effectiveness
• Apply a light coating of compatible transmission fluid to the seal lip before installation to reduce initial wear

Quality Assurance and Warranty

Timken manufactures the 1147 output shaft seal to meet strict quality standards, ensuring reliable performance in manual transmission applications. The use of N-polyacrylate material provides resistance to heat and transmission fluids, contributing to long service life. While specific warranty details may vary, Timken products typically come with a limited warranty against manufacturing defects. Consult product documentation or Timken directly for warranty terms related to part number 1147.