Dorman 926-555 Axle Hub O-Ring

Durable Dorman Axle Hub O-Ring for Reliable Sealing

The Dorman 926-555 axle hub O-ring is designed to provide a precise seal for axle hubs, helping to prevent leaks and maintain optimal brake system performance. Crafted from high-quality NBR material, this black O-ring offers durability and resistance to wear in demanding automotive environments.

• Material: NBR (Nitrile Butadiene Rubber) for excellent oil and heat resistance
• Color: Black for easy identification during installation
• Inside Diameter: 4.109 inches ensuring a proper fit on compatible axle hubs
• Outside Diameter: 4.387 inches for secure sealing
• Thickness: 0.139 inches providing reliable compression and sealing
• Rim Shape: Round profile designed for consistent contact and sealing
• Package Contents: Includes 2 O-rings for dual replacements or spares

Product Details and Specifications

The Dorman 926-555 axle hub O-ring is engineered to meet the sealing requirements of various axle hub assemblies. Its NBR composition offers resistance to oils, greases, and heat, making it suitable for brake systems exposed to harsh conditions. The round rim shape ensures even pressure distribution, reducing the risk of leaks. With an inside diameter of 4.109 inches and an outside diameter of 4.387 inches, this O-ring fits axle hubs requiring these precise dimensions. The 0.139-inch thickness balances flexibility and durability, maintaining a tight seal over time.

Common Applications and Problem Solving

• Prevents axle hub oil leaks that can compromise brake performance
• Replaces worn or damaged O-rings causing brake fluid seepage
• Helps maintain proper axle hub lubrication by sealing contaminants out
• Addresses noise or vibration issues related to improper hub sealing
• Supports brake system integrity on vehicles requiring 4.109-inch ID axle hub seals

Installation Notes and Tips

Before installing the Dorman 926-555 axle hub O-ring, clean the axle hub surface thoroughly to remove debris and old sealant. Lubricate the O-ring lightly with compatible grease to ease installation and prevent damage. Ensure the O-ring is seated evenly in the groove without twisting. This part is compatible with various axle hub assemblies requiring a 4.109-inch inside diameter O-ring, commonly found on certain Ford and Chevrolet models. Always verify fitment with your vehicle's specifications before installation.

Quality Assurance and Warranty

Dorman manufactures the 926-555 axle hub O-ring to meet industry standards for durability and performance. The NBR material is selected for its resistance to automotive fluids and temperature variations. While specific warranty details are not provided, Dorman parts typically come with a limited warranty against defects in material and workmanship. For peace of mind, confirm warranty coverage with the product documentation or supplier.