Genuine 271003B Power Brake Booster Check Valve

The Genuine 271003B Power Brake Booster Check Valve is an OEM replacement component designed to maintain proper vacuum pressure in your vehicle's power brake system. This genuine part ensures reliable brake booster performance by functioning as a one-way valve that prevents air from entering the vacuum booster when the engine is off or during conditions of low manifold vacuum.

Key Features:

• Genuine OEM quality construction meeting original equipment specifications
• One-way check valve design maintains vacuum in the brake booster
• Prevents loss of power assist during acceleration or engine shutdown
• Includes seal for proper installation and leak-free operation
• Direct replacement for worn or damaged check valves
• Helps restore proper power brake assist and pedal feel

Important Note: A broken or split brake booster check valve can cause poor brake performance, excessive pedal effort, and high-idle problems. This genuine replacement valve restores proper operation and ensures safe, reliable braking performance. Cross-references to part numbers 270596, 0204120018, and 1207350.