FAG SS4379 Automatic Transmission Seal - Rear

Overview of FAG SS4379 Automatic Transmission Seal

The FAG SS4379 is a precision-engineered automatic transmission seal designed specifically for Nissan 300ZX models. Crafted with durable nitrile sealing material and a rubber spring auxiliary lip, this seal ensures reliable performance and effective sealing in your vehicle's transmission system.

• Seal Type: Rubber with spring and auxiliary lip for enhanced sealing
• Sealing Material: High-quality nitrile for resistance to heat and fluids
• Bore Diameter: 1.969 inches (50.013 mm)
• Seal Outside Diameter: 1.975 inches (50.165 mm)
• Seal Width: 1.496 inches (10.008 mm)
• Compatible with Nissan 300ZX automatic transmissions
• Part Number: SS4379 for accurate identification

Detailed Product Description

The FAG SS4379 automatic transmission seal is engineered to maintain the integrity of the transmission system by preventing fluid leaks and contamination. Its nitrile sealing material offers excellent resistance to transmission fluids and high temperatures, while the rubber spring auxiliary lip design provides a secure fit and consistent sealing pressure. The precise bore and outside diameters ensure compatibility with the Nissan 300ZX transmission components, minimizing the risk of premature wear or failure.

Applications and Common Issues Addressed

• Prevents automatic transmission fluid leaks in Nissan 300ZX vehicles
• Reduces contamination ingress that can cause transmission damage
• Helps maintain proper hydraulic pressure within the transmission
• Addresses seal wear and degradation due to heat and fluid exposure
• Supports smooth transmission operation by maintaining seal integrity

Installation Notes and Tips

• Ensure the transmission housing and shaft surfaces are clean and free of debris before installation
• Use appropriate tools to avoid damaging the seal during installation
• Verify correct orientation of the rubber spring auxiliary lip for optimal sealing
• Check dimensions against OEM specifications to confirm fitment
• Consult vehicle service manual for torque specifications and installation procedures

Quality Assurance and Warranty

FAG manufactures the SS4379 automatic transmission seal to meet stringent quality standards, ensuring durability and reliable performance in Nissan 300ZX transmissions. While specific warranty details may vary, FAG products typically come with manufacturer-backed quality assurance to support long-term use and customer confidence.