FAG SS3398 Engine Crankshaft Seal - Rear

Reliable Engine Crankshaft Seal for Ford and Mercury Vehicles

The FAG SS3398 engine crankshaft seal is designed to provide durable sealing performance for select Ford and Mercury models. Engineered with high-quality Viton sealing material and a rubber spring seal type, this crankshaft seal ensures effective protection against oil leaks and contaminants.

Key Features of the FAG SS3398 Crankshaft Seal

• Seal Type: Rubber with spring for secure fit and flexibility
• Sealing Material: Viton, resistant to heat, oil, and chemicals
• Bore Diameter: 114.325 mm (4.501 inches) for precise fit
• Seal Outside Diameter: 114.452 mm (4.506 inches) ensuring proper sealing surface
• Seal Width: 9.195 mm (3.75 inches) for optimal sealing depth

Detailed Description of the FAG SS3398 Engine Crankshaft Seal

This FAG SS3398 crankshaft seal is manufactured to meet the demanding requirements of engine sealing systems. The use of Viton as the sealing material offers superior resistance to high temperatures and aggressive automotive fluids, making it suitable for long-term use in engine environments. The rubber spring design maintains consistent pressure on the crankshaft, preventing oil leaks and contamination ingress. With precise bore and outside diameters, this seal fits tightly within the engine housing, ensuring reliable operation.

Applications and Common Issues Addressed

• Prevents oil leaks around the crankshaft in Ford Bronco and F-Series trucks
• Maintains engine oil integrity in Mercury Grand Marquis and LTD models
• Reduces risk of engine damage caused by dirt and debris entering through worn seals
• Replaces worn or damaged seals in Econoline vans including E-100, E-150, E-250, and E-350 series
• Helps maintain proper engine performance by ensuring effective crankshaft sealing

Installation Notes and Tips

When installing the FAG SS3398 crankshaft seal, ensure the sealing surface and crankshaft are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the sealing lip or spring. Verify the seal dimensions match the engine specifications for the Ford or Mercury model being serviced. Proper installation will help maintain engine oil pressure and prevent premature seal failure.

Quality Assurance and Warranty

FAG manufactures the SS3398 crankshaft seal to meet strict quality standards for durability and performance. The use of Viton sealing material and precision engineering supports reliable operation under typical engine conditions. While specific warranty details are not provided, FAG products are generally backed by manufacturer quality controls to ensure fit and function.