Fel-Pro 4390 Drive Axle Shaft Flange Gasket - Rear

Overview of Fel-Pro 4390 Drive Axle Shaft Flange Gasket

The Fel-Pro 4390 Drive Axle Shaft Flange Gasket is designed to provide a reliable seal for driveline components. Constructed from composite material, this gasket ensures durability and proper fitment for vehicles requiring a 3.359 inch inside diameter and 4.688 inch outside diameter flange gasket.

• Composite material construction for enhanced sealing and durability
• Inside diameter of 3.359 inches to match specific axle shaft flanges
• Outside diameter of 4.688 inches for precise fitment
• Six bolt holes for secure attachment and alignment
• Part number 4390 for accurate identification and replacement

Detailed Product Description

The Fel-Pro 4390 gasket is engineered to maintain a tight seal between the drive axle shaft flange and the differential or axle housing. Its composite material composition offers resistance to oil, grease, and other automotive fluids, reducing the risk of leaks. The gasket’s six bolt holes ensure proper alignment and secure fastening, which is critical for driveline integrity. With an inside diameter of 3.359 inches and an outside diameter of 4.688 inches, this gasket is designed to fit specific flange sizes commonly found in various vehicle makes and models.

Applications and Common Issues Addressed

• Prevents oil leaks at the drive axle shaft flange connection
• Eliminates driveline vibration caused by improper sealing
• Replaces worn or damaged gaskets to restore driveline performance
• Helps maintain proper axle shaft alignment and torque retention
• Addresses contamination ingress that can damage axle components

Installation Notes and Tips

• Ensure mating surfaces are clean and free of old gasket material before installation
• Use the correct torque specifications for the six flange bolts to avoid gasket damage
• Inspect the flange and axle shaft for wear or damage prior to gasket replacement
• Apply a light coating of appropriate sealant if recommended by the vehicle manufacturer
• Verify fitment compatibility with your vehicle’s make and model before installation

Quality Assurance and Warranty

Fel-Pro gaskets are manufactured to meet industry standards for durability and sealing performance. The 4390 Drive Axle Shaft Flange Gasket undergoes rigorous quality control to ensure consistent dimensions and material integrity. While specific warranty details may vary, Fel-Pro typically offers coverage against manufacturing defects, providing confidence in the gasket’s reliability for driveline applications.