303.02.0024-S Protection Valve for Mercedes-Benz

What does a protection valve do?

This multi-circuit protection valve plays a critical role in the pneumatic brake system of heavy commercial vehicles. It is designed to isolate different braking circuits, ensuring that a loss of pressure in one circuit does not compromise the entire braking capability of the vehicle. By utilizing high-strength components, it provides the durability required for demanding road conditions.

Vehicle and system compatibility

This component is specifically engineered for compatibility with Mercedes-Benz vehicles. It functions within the complex pneumatic architecture of the braking system to maintain pressure stability across multiple lines. The valve is designed to meet the rigorous requirements of heavy commercial vehicle service environments.

Installation and maintenance

For proper installation, technicians should ensure all connection ports are free from debris and that the valve is securely mounted to prevent vibration-induced fatigue. Regular inspection of the pneumatic lines and valve seating is recommended to maintain optimal braking response and system integrity.

System selection guidance

When selecting a replacement, cross-referencing with existing system requirements ensures correct fitment within the specific pressure architecture of the vehicle's braking network.

OE cross-reference

303.02.0024-S (Multi-circuit Protection Valves Brake System) is the equivalent of the Knorr-Bremse and Mercedes-Benz OE numbers. This part directly replaces Knorr-Bremse OE numbers AE4800S, II31480000S, II36012000S, K002435S, K002435004S, K002435N01S, K002435N50S. It also replaces Mercedes-Benz OE number 0034319706S.