SKF 14978 Manual Transmission Seal - Rear

Reliable Manual Transmission Seal for Chevrolet and Ford Vehicles

The SKF 14978 manual transmission seal is engineered to provide durable sealing performance for a range of vehicles including Chevrolet, Ford, GMC, Jeep, Lincoln, and Mercury models. Designed with precision dimensions and a nitrile sealing surface, this seal helps maintain transmission integrity and prevent fluid leaks.

• Width: 0.375 inches for optimal fit
• Outside Diameter: 2.376 inches ensuring proper housing compatibility
• Shaft Diameter: 1.500 inches for accurate shaft sealing
• Sealing Surface Type: Nitrile material for resistance to oil and wear
• Compatible with multiple manual transmission applications across popular vehicle models

Durable Design and Material Specifications

The SKF 14978 manual transmission seal features a nitrile sealing surface, known for its resistance to petroleum-based fluids and abrasion. With a width of 0.375 inches and an outside diameter of 2.376 inches, this seal is designed to fit shafts with a diameter of 1.500 inches. These precise measurements ensure a secure fit that minimizes the risk of leaks and contamination within the transmission system. The seal’s construction supports reliable performance in demanding driving conditions, making it suitable for vehicles such as the Ford F-150, Chevrolet C3500, Jeep Grand Cherokee, and Lincoln Town Car.

Compatible Vehicles and Applications

This manual transmission seal is compatible with a wide range of makes and models, including Chevrolet Bobcat, Ford Bronco, GMC C3500, Jeep Cherokee, Lincoln Continental, Mercury Cougar, and many Econoline variants such as the E-150 and E-350. It is designed specifically for manual transmission systems requiring a 1.500-inch shaft diameter seal, making it a suitable replacement part for maintenance and repair tasks on these vehicles.

• Prevents transmission fluid leaks
• Reduces contamination from dirt and debris
• Maintains proper lubrication within the transmission
• Helps avoid premature wear of transmission components
• Supports smooth manual transmission operation

Installation Notes and Tips

When installing the SKF 14978 manual transmission seal, ensure the shaft and housing surfaces are clean and free of debris. Use appropriate tools to press the seal evenly into place without damaging the nitrile sealing surface. Verify the seal dimensions match the transmission specifications, particularly the 1.500-inch shaft diameter and 2.376-inch outside diameter, to ensure proper fit and function. Avoid using excessive force during installation to prevent seal distortion.

Quality Assurance and Warranty

SKF is a recognized manufacturer of automotive sealing solutions, adhering to industry standards for material quality and dimensional accuracy. The 14978 manual transmission seal is manufactured to provide consistent sealing performance and durability. While specific warranty details are not provided, SKF products typically meet rigorous quality control requirements to support reliable vehicle operation.