Timken 1215N Manual Transmission Output Shaft Seal - Rear

Overview of Timken 1215N Manual Transmission Output Shaft Seal

The Timken 1215N manual transmission output shaft seal is engineered for reliable sealing performance in select Mazda vehicles. Designed with durable N-polyacrylate material, this seal helps maintain transmission integrity by preventing fluid leaks and contamination.

• Constructed from high-quality N-polyacrylate for durability and resistance
• Outside diameter measures 1.895 inches (48.13 mm) for precise fit
• Shaft diameter of 1.378 inches (35.00 mm) ensures compatibility with specified transmissions
• Housing bore dimension of 1.890 inches (48.00 mm) for secure installation
• Width of 0.512 inches (13.00 mm) provides effective sealing surface
• Counter-clockwise (CCW) helix type design for optimal sealing performance

Detailed Product Description and Specifications

The Timken 1215N output shaft seal is specifically designed for manual transmissions in Mazda models including the 626, B2000, B2200, and RX-7. Its N-polyacrylate construction offers excellent resistance to heat, oil, and wear, which is critical for maintaining transmission fluid containment under demanding operating conditions. The seal’s precise dimensions—1.895 inches outside diameter and 1.378 inches shaft diameter—ensure a tight fit within the transmission housing bore of 1.890 inches. The 0.512 inch width provides a robust sealing surface to prevent leaks. Additionally, the counter-clockwise helix type aids in directing fluid away from the shaft, enhancing the seal’s effectiveness over time.

Applications and Common Issues Addressed

• Prevents manual transmission fluid leaks in Mazda 626, B2000, B2200, and RX-7 models
• Reduces contamination ingress that can cause premature transmission wear
• Helps maintain proper lubrication and pressure within the transmission system
• Addresses shaft seal wear and degradation due to heat and friction
• Mitigates issues related to vibration-induced seal failure

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 distortion
• Verify the helix direction matches the counter-clockwise rotation of the shaft
• Inspect the shaft for wear or damage that could compromise seal performance
• Apply a light coating of transmission fluid to the seal lip prior to installation to reduce initial wear

Quality Assurance and Warranty Information

Timken manufactures the 1215N output shaft seal to meet stringent quality standards, ensuring consistent performance and durability. The use of N-polyacrylate material and precise manufacturing tolerances contribute to reliable sealing in manual transmissions. While specific warranty details may vary, Timken products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or authorized sources for exact warranty terms.