SKF 12905 Differential Pinion Seal - Rear

Reliable Differential Pinion Seal for Pontiac LeMans and Tempest

The SKF 12905 differential pinion seal is engineered to provide a precise fit and durable sealing solution for Pontiac LeMans and Tempest models. Designed with a polyacrylate sealing surface, this seal ensures effective protection against leaks and contamination in your vehicle's driveline system.

• Width: 0.438 inches for optimal sealing depth
• Outside Diameter: 2.004 inches to match OEM specifications
• Shaft Diameter: 1.301 inches for accurate fit on pinion shafts
• Sealing Surface Type: Polyacrylate for enhanced chemical and temperature resistance
• Compatible with Pontiac LeMans and Tempest differential assemblies

Precision Engineering and Material Details

The SKF differential pinion seal 12905 features a polyacrylate sealing surface, which offers improved resistance to heat, oil, and wear compared to traditional materials. The seal’s dimensions—0.438 inch width, 2.004 inch outside diameter, and 1.301 inch shaft diameter—are designed to meet exact OEM standards, ensuring a secure fit and reliable performance. This precision engineering helps maintain the integrity of the differential by preventing oil leaks and keeping contaminants out.

Applications and Problem Solving

• Prevents differential oil leaks in Pontiac LeMans and Tempest models
• Protects pinion shaft bearings from dirt and debris
• Reduces risk of premature wear due to contamination
• Maintains proper lubrication within the driveline system
• Helps avoid costly differential repairs caused by seal failure

Installation Notes and Tips

When installing the SKF 12905 differential pinion seal, ensure the shaft and housing surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal’s orientation matches the original to maintain proper sealing function. Avoid using excessive force during installation to prevent damage to the polyacrylate sealing surface.

Quality Assurance and Warranty

SKF manufactures the 12905 differential pinion seal to meet stringent quality standards, providing consistent performance and durability. While specific warranty details are not provided, SKF products are known for their reliability and adherence to OEM specifications, supporting long-term driveline integrity for Pontiac LeMans and Tempest vehicles.