SKF 12840A Automatic Transmission Output Shaft Seal - Right

Reliable Automatic Transmission Output Shaft Seal for Nissan Vehicles

The SKF 12840A automatic transmission output shaft seal is engineered to provide a precise fit and durable sealing performance for select Nissan models. Designed with a polyacrylate sealing surface, this seal helps maintain transmission fluid integrity and prevents leaks in your Nissan Altima, Maxima, Murano, or Pathfinder.

• Width: 0.368 inches for optimal sealing depth
• Outside Diameter: 2.335 inches ensuring proper housing fit
• Shaft Diameter: 1.299 inches matching OEM specifications
• Polyacrylate sealing surface for enhanced wear resistance
• Compatible with Nissan Altima, Maxima, Murano, and Pathfinder models

Detailed Product Description

The SKF 12840A automatic transmission output shaft seal is designed to meet the exacting standards required for Nissan transmissions. Its 0.368-inch width and 2.335-inch outside diameter provide a secure fit within the transmission housing, while the 1.299-inch shaft diameter ensures a tight seal around the output shaft. The polyacrylate sealing surface offers improved resistance to heat and wear, which is critical for maintaining transmission fluid containment and preventing contamination. This seal is manufactured to OEM tolerances, making it a reliable replacement part for Nissan Altima, Maxima, Murano, and Pathfinder vehicles.

Common Applications and Issues Addressed

• Prevents transmission fluid leaks from the output shaft area
• Reduces risk of transmission damage due to fluid loss
• Helps maintain proper transmission pressure and performance
• Addresses wear-related seal failures in Nissan automatic transmissions
• Supports smooth operation of the transmission output shaft

Installation Notes and Tips

When installing the SKF 12840A output shaft seal, ensure the transmission housing and shaft are clean and free of debris. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal’s orientation matches OEM specifications, with the polyacrylate sealing surface facing the fluid side. Proper installation helps prevent premature seal failure and fluid leaks.

Quality Assurance and Warranty

SKF is a recognized manufacturer of automotive sealing solutions, adhering to strict quality control standards. The 12840A output shaft seal is produced with durable materials and precise dimensions to ensure long service life. While specific warranty details are not provided, SKF products typically meet or exceed OEM quality requirements for transmission components.