303.02.0053-S DAF Compatible Multi-circuit Protection Valve
303.02.0053-S
Summary
This multi-circuit protection valve is engineered for heavy commercial vehicle brake systems. It ensures precise pressure distribution across multiple circuits, maintaining safety in DAF vehicles. Designed with high-strength components to meet demanding workshop requirements. Equivalent to OE DAF 1607417S and Knorr-Bremse AE4529S.
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Compatible OEM Codes
-
KNORR-BREMSE
- II38749FN52 S
- II38749FN50 S
- II38749FN00 S
- II38749FM2 S
- II38749F0041 S
- II38749F004 S
- II38749F S
- AE 4529 S
-
DAF
- 1612055 S
- 1607417 S
Description
What does a protection valve do?
This multi-circuit protection valve plays a critical role in the pneumatic brake system by isolating different circuits in the event of a pressure loss. By preventing a single leak from depleting the entire system, it maintains essential braking force for the vehicle. This component is manufactured using high-strength components to ensure long-term reliability in heavy commercial vehicle applications.Vehicle and system compatibility
The valve is specifically designed for compatibility with DAF trucks and is also fitted to DAF vehicles. It functions seamlessly within systems designed by Knorr-Bremse, ensuring that pressure architectures remain stable during operation. For accurate fitment, always verify the specific circuit requirements of the vehicle's pneumatic architecture.Installation and maintenance
When replacing this component, technicians should inspect all connected air lines and ensure that the mounting surface is clean and free of debris. Regular inspections of the valve body are recommended to detect any signs of pressure drops or leaks within the braking circuit. Proper installation ensures the continued integrity of the vehicle's pneumatic control.Troubleshooting and selection
Selecting the correct protection valve is vital for maintaining the safety of heavy commercial vehicle braking performance. If a pressure drop is detected in one specific circuit, this valve acts as a barrier to protect the remaining functional circuits.OE cross-reference
303.02.0053-S (Multi-circuit Protection Valves Brake System) is the equivalent of the DAF and Knorr-Bremse OE numbers. This part directly replaces DAF OE numbers 1607417S, 1612055S. It also replaces Knorr-Bremse OE numbers AE4529S, II38749FS, II38749F004S, II38749F0041S, II38749FM2S, II38749FN00S, II38749FN50S, II38749FN52S.Technical Specifications
| Sensor | - |
|---|
Other OEMs
DAF
- 1612055 S
- 1607417 S
KNORR-BREMSE
- AE4529 S
- II38749FN52 S
- II38749FN50 S
- II38749FN00 S
- II38749FM2 S
- II38749F0041 S
- II38749F004 S
- II38749F S
- AE 4529 S
Related Products
Repair Kits
Used In
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| DAF | |||
| KNORR-BREMSE |
FAQ
What is the function of a multi-circuit protection valve?
It isolates different brake circuits so that a leak in one circuit does not cause a total loss of pressure across the entire braking system.
Is this valve compatible with Knorr-Bremse systems?
Yes, this component is designed to be compatible with Knorr-Bremse systems used in heavy commercial vehicles.
Which vehicles use this type of valve?
This valve is primarily used in DAF trucks and other heavy commercial vehicles requiring multi-circuit pneumatic safety.
How can I identify if a protection valve needs replacement?
Technicians should look for symptoms such as uneven pressure distribution or localized air leaks within specific braking circuits.
What are the OE reference numbers of this part?
303.02.0053-S directly replaces DAF OE numbers 1607417S, 1612055S. It also replaces Knorr-Bremse OE numbers AE4529S, II38749FS, II38749F004S, II38749F0041S, II38749FM2S, II38749FN00S, II38749FN50S, II38749FN52S.