FAG SS3992 Manual Transmission Input Shaft Seal

Reliable Manual Transmission Input Shaft Seal for Ford, Mazda, and Mercury

The FAG SS3992 manual transmission input shaft seal is engineered to provide durable sealing performance for select Ford, Mazda, and Mercury vehicles. Designed with nitrile rubber and a spring-loaded seal type, this component ensures effective protection against leaks and contamination.

• Seal Type: Rubber with spring for consistent tension
• Sealing Material: Durable nitrile for resistance to oil and heat
• Bore Diameter: 1.575 inches (40.005 mm)
• Seal Outside Diameter: 1.58 inches (40.132 mm)
• Seal Width: 0.945 inches (8.001 mm)

Technical Details of the FAG SS3992 Input Shaft Seal

This manual transmission input shaft seal features a nitrile sealing material known for its resistance to petroleum-based fluids and high temperatures, making it suitable for demanding transmission environments. The rubber seal with an integrated spring maintains consistent contact pressure on the shaft, preventing fluid leaks and ingress of dirt or debris. With precise bore and outside diameters, the SS3992 fits securely within the transmission housing, ensuring reliable sealing performance.

Compatible Vehicles and Applications

The FAG SS3992 is compatible with manual transmissions on specific Ford, Mazda, and Mercury models, including the Ford Capri and Escort, Mazda MX-3, and Mercury Tracer. This seal is designed to replace worn or damaged input shaft seals in these vehicles, helping to maintain transmission integrity and performance.

• Prevents transmission fluid leaks from the input shaft area
• Protects internal transmission components from dirt and contaminants
• Reduces risk of premature transmission wear due to fluid loss
• Addresses common seal failure issues in Ford Capri, Escort, Mazda MX-3, and Mercury Tracer

Installation Notes and Tips

When installing the FAG SS3992 input shaft seal, ensure the transmission housing bore is 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 part to maintain proper sealing function. Lubricate the seal lip with transmission fluid before installation to reduce initial wear.

Quality Assurance and Warranty

FAG manufactures the SS3992 input shaft seal to meet strict quality standards for durability and performance. The use of nitrile material and spring-loaded design supports long service life under typical operating conditions. While specific warranty details may vary, FAG products generally come with manufacturer-backed quality assurance to support reliability in automotive applications.