National B300 Axle Hub Cap Vent Plug for Hub Cap Vent Plug

National(R) has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today's vehicles.

• Unbeatable protection for wheel end systems
• Unique slit-style vent plug
• Dramatically reduces contamination