SKF 7440 Manual Transmission Shift Shaft Seal

Reliable Manual Transmission Shift Shaft Seal for Select Vehicles

The SKF 7440 Manual Transmission Shift Shaft Seal is engineered to provide durable sealing performance for a range of Chevrolet, Ford, Dodge, Chrysler, GMC, and Mercury models. Designed with precision dimensions and a nitrile sealing surface, this seal helps maintain transmission integrity and prevent fluid leaks.

• Width: 0.250 inches for compact and effective sealing
• Outside Diameter: 1.254 inches ensuring a secure fit
• Shaft Diameter: 0.750 inches compatible with specified manual transmission shafts
• Sealing Surface Type: Nitrile material for resistance to oil and wear
• Compatible with Chevrolet Blazer, Ford F-100, Dodge D200, GMC Jimmy, Mercury Colony Park, and other models

Technical Details and Material Specifications

This manual transmission shift shaft seal from SKF is constructed with a nitrile sealing surface, known for its resistance to petroleum-based fluids and durability under varying temperatures. The seal’s 0.250-inch width and 1.254-inch outside diameter are designed to fit tightly around a 0.750-inch shaft diameter, ensuring minimal leakage and reliable operation. The precision manufacturing of part number 7440 supports consistent performance in manual transmissions across multiple vehicle makes and models.

Compatible Vehicles and Applications

The SKF 7440 seal is compatible with manual transmissions in several popular vehicles, including Chevrolet Blazer, Ford F-100, Dodge D200, Chrysler Imperial, GMC Jimmy, Mercury Colony Park, and various Suburban and pickup truck models such as K10 Suburban and F-350. This part is suitable for applications requiring a dependable shift shaft seal to maintain transmission fluid containment and prevent contamination.

• Prevents manual transmission fluid leaks
• Reduces risk of dirt and debris entering the transmission
• Maintains proper lubrication of shift shaft components
• Helps avoid premature wear of transmission parts
• Supports smooth shifting performance

Installation Notes and Tips

When installing the SKF 7440 manual transmission shift shaft seal, ensure the shaft and housing surfaces are clean and free of debris. Lubricate the sealing surface lightly with transmission fluid or compatible lubricant before installation to prevent damage. Use appropriate tools to press the seal evenly into place without distortion. Verify the seal is seated flush to avoid leaks and ensure optimal performance.

Quality Assurance and Warranty Information

SKF manufactures the 7440 shift shaft seal to meet strict quality standards, ensuring reliable sealing performance in manual transmissions. The nitrile material and precise dimensions contribute to long service life under normal operating conditions. While specific warranty details may vary, SKF products typically come with manufacturer-backed quality assurance to support customer confidence in fitment and durability.