303.02.0112-S Iveco compatible Multi-circuit Protection Valve
303.02.0112-S
Summary
This Multi-circuit Protection Valve is designed for heavy commercial vehicle brake systems, specifically engineered for compatibility with Iveco. It maintains pressure stability across multiple pneumatic circuits to ensure reliable braking performance. Check the compatibility list for exact fitment. Equivalent to OE Iveco 500056401S and WABCO 9347050210S.
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Compatible OEM Codes
-
WABCO
- 934 705 021 0 S
-
IVECO
- 500056401 S
Description
What does a multi-circuit protection valve do?
This multi-circuit protection valve plays a critical role in the pneumatic brake system of heavy commercial vehicles by isolating different braking circuits. In the event of a leak in one circuit, the valve prevents the total loss of air pressure, ensuring that the remaining circuits remain functional to maintain stopping power. It is constructed from high-strength components to withstand constant pressure fluctuations and harsh operating environments.Vehicle and engine compatibility
This component is compatible with Iveco trucks and is also fitted to other heavy commercial vehicles within the same class. It serves as a reliable replacement for components used in systems requiring precise pressure distribution across multiple lines.Installation and maintenance
Technicians should inspect these valves during routine brake system maintenance to check for air leaks or pressure drops. Proper installation requires ensuring all connections are secure and that the valve is mounted in a position that minimizes vibration and exposure to excessive moisture or debris.System performance and selection
When replacing this part, always verify that the new valve matches the original circuit architecture of the vehicle to ensure optimal safety and system performance.OE cross-reference
303.02.0112-S (Multi-circuit Protection Valves Brake System) is the equivalent of the Iveco and WABCO OE numbers. This part directly replaces Iveco OE number 500056401S. It also replaces WABCO OE number 9347050210S.Technical Specifications
| Sensor | - |
|---|
Other OEMs
IVECO
- 500056401 S
WABCO
- 9347050210 S
- 934 705 021 0 S
Related Products
Repair Kits
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| IVECO | |||
| WABCO |
FAQ
What is the main function of a multi-circuit protection valve?
It isolates individual air brake circuits so that a leak in one area does not cause a total loss of braking pressure throughout the entire vehicle system.
Which vehicle brands are compatible with this part?
This component is specifically designed to be compatible with Iveco heavy commercial vehicles and meets high standards for industrial use.
How can I know if my protection valve needs replacement?
Technicians should look for signs of air leakage around the ports or a noticeable drop in pressure within specific braking circuits during testing.
Can I use a generic valve instead of an OE replacement?
It is vital to use valves that match the specific circuit count and pressure requirements of the vehicle to ensure safe and reliable braking performance.
What are the OE reference numbers of this part?
303.02.0112-S directly replaces Iveco OE number 500056401S. It also replaces WABCO OE number 9347050210S.