National 710955 Automatic Transmission Output Shaft Seal - Right

Overview of National 710955 Automatic Transmission Output Shaft Seal

The National 710955 automatic transmission output shaft seal is engineered to provide reliable sealing performance for select Lexus, Toyota, and Pontiac models. Designed with a clockwise-spiral lip, this polyacrylate oil seal ensures effective containment of transmission fluid, helping maintain optimal transmission function.

• Clockwise-spiral helix type lip design for efficient sealing
• Housing bore diameter of 2.913 inches (74.000 mm)
• Outside diameter measures 2.921 inches (74.200 mm)
• Shaft diameter of 2.441 inches (62.000 mm)
• Seal width of 0.335 inches (8.500 mm)
• Constructed from durable polyacrylate material
• Part of the 710900 series for consistent quality

Detailed Product Description

The National 710955 transmission output shaft seal is specifically designed to fit the housing bore and shaft dimensions of various Lexus, Toyota, and Pontiac vehicles, including models such as the Lexus RX300, RX330, RX350, Toyota Highlander, Matrix, RAV4, Sienna, and Pontiac Vibe. Its clockwise-spiral lip design helps direct fluid back into the transmission, reducing leakage and contamination. Manufactured from polyacrylate, the seal offers resistance to heat and transmission fluids, contributing to longer service life. The precise dimensions—2.913 inch housing bore and 2.441 inch shaft diameter—ensure a secure fit and proper sealing function within the automatic transmission assembly.

Common Applications and Problem Solving

• Prevents transmission fluid leaks from the output shaft area
• Reduces risk of contamination entering the transmission system
• Helps maintain proper transmission fluid pressure and performance
• Addresses wear-related seal failures in Lexus RX and Toyota Highlander models
• Suitable replacement for worn or damaged output shaft seals in Pontiac Vibe and Toyota RAV4

Installation Notes and Tips

When installing the National 710955 output shaft seal, ensure the transmission housing bore and shaft are clean and free of debris. Use appropriate tools to press the seal evenly into the bore without distortion. Verify the seal’s orientation matches the clockwise-spiral lip design to optimize sealing performance. Avoid using excessive force during installation to prevent damage to the polyacrylate material.

Quality Assurance and Warranty

National’s 710955 output shaft seal is manufactured to meet industry standards for durability and fitment accuracy. While specific warranty details are not provided, National products typically adhere to stringent quality control processes to ensure reliable performance in compatible Lexus, Toyota, and Pontiac vehicles.