Dorman 926-555 Rear Axle Hub O-Ring Seal Kit

The Dorman 926-555 Rear Axle O-Ring Kit provides a reliable, leak-free seal between the wheel hub and axle housing on heavy-duty trucks. This axle shaft O-ring is engineered to match the fit and function of the original equipment part, ensuring proper sealing performance and protection against contamination.

Key Features:

• Made from durable NBR (nitrile butadiene rubber) material for long-lasting performance
• Includes 2 O-rings for complete axle service
• Inside diameter: 4.109 inches, outside diameter: 4.387 inches, thickness: 0.139 inches
• Black color with round rim shape
• Thoroughly tested to ensure conformance to product standards

This is a recommended service item that should be replaced whenever the axle shaft or wheel hub is serviced to maintain optimal sealing performance. The quality construction ensures a tight seal that prevents contaminants from entering the hub while keeping lubricant securely contained within the axle housing.