SKF 21236 Automatic Transmission Seal - Rear

Overview of the SKF 21236 Automatic Transmission Seal

The SKF 21236 automatic transmission seal is engineered for reliable sealing performance in select Chevrolet and GMC heavy-duty vehicles. Designed with precise dimensions and a Vamac sealing surface, this seal helps maintain transmission integrity under demanding conditions.

• Width: 0.552 inches for optimal fit and sealing
• Outside Diameter: 2.885 inches ensuring proper housing compatibility
• Shaft Diameter: 2.125 inches tailored for specific transmission shafts
• Sealing Surface Type: Vamac material for enhanced durability and resistance
• Compatible with Chevrolet and GMC models including C3500, K3500, P30, and P3500

Detailed Product Description

The SKF 21236 automatic transmission seal is designed to provide a secure and effective seal between the transmission housing and shaft. Its 0.552-inch width and 2.885-inch outside diameter ensure a precise fit, while the 2.125-inch shaft diameter matches the transmission components of Chevrolet and GMC heavy-duty trucks such as the C3500, K3500, P30, and P3500. The Vamac sealing surface type offers resistance to heat, oil, and wear, which is critical for maintaining transmission fluid containment and preventing leaks over time.

Applications and Problem Solving

This transmission seal is used primarily to prevent fluid leaks and contamination in automatic transmissions. It addresses several common issues including:

• Preventing transmission fluid leaks that can lead to low fluid levels
• Reducing contamination from dirt and debris entering the transmission
• Maintaining proper pressure within the transmission system
• Minimizing wear on transmission shafts by providing a consistent seal
• Extending transmission component life by ensuring fluid integrity

Installation Notes and Tips

• Ensure the shaft and housing surfaces are clean and free of debris before installation
• Use appropriate tools to avoid damaging the Vamac sealing surface during installation
• Verify the seal dimensions match the transmission specifications for Chevrolet C3500, K3500, P30, or P3500 models
• Apply a light coating of transmission fluid to the seal before installation to ease fitting
• Check for proper seating and alignment to prevent premature wear or leaks

Quality Assurance and Warranty

SKF manufactures the 21236 automatic transmission seal to meet stringent quality standards, ensuring consistent performance and durability. While specific warranty details may vary, SKF products typically come with manufacturer-backed quality assurance to support reliability in automotive applications.