303.05.0015 Trailer Control Valve for Scania
303.05.0015
Summary
This high-performance trailer control valve is engineered for heavy commercial vehicle air brake systems. It features M22x1.5 ports (Port 1, Port 2, Port 41, Port 42, and Port 43) to ensure precise pneumatic pressure balancing between the tractor and trailer units. Equivalent to OE Scania 239212 and WABCO 9730020130.
| EAN Code | 8683457009868 |
|---|
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Compatible OEM Codes
-
WABCO
- 973 002 013 0
-
SCANIA
- 239212
Description
What does a trailer control valve do?
This trailer control valve plays a critical role in the air brake system of heavy commercial vehicles. It is designed to balance the air pressure delivered to the trailer based on the brake pedal input, ensuring synchronized braking performance across the entire tractor-trailer combination.Vehicle and system compatibility
This component is compatible with Scania vehicles and is also fitted to Scania trucks. It serves as a reliable replacement for components used in heavy commercial vehicle braking lines, maintaining system integrity under high-pressure operating conditions.Installation and technical specifications
The valve features specialized M22x1.5 pneumatic connections on multiple ports (Port 1, Port 2, Port 41, Port 42, and Port 43) to ensure a secure fit within the air brake line. Technicians should verify port specifications and inspect sealing gaskets during installation to maintain optimal pneumatic performance.Maintenance and troubleshooting
Regular inspection of the control valve helps prevent pressure imbalances or exhaust leaks in the braking system. For professional maintenance, always check the connection points for any signs of moisture or debris that could affect valve operation.OE cross-reference
303.05.0015 (Trailer Control Valve) is the equivalent of the Scania and WABCO OE numbers. This part directly replaces Scania OE number 239212. It also replaces WABCO OE number 9730020130.Technical Specifications
| Port 1 | M22x1,5 |
|---|---|
| Port 2 | M22x1,5 |
| Port 41 | M22x1,5 |
| Port 42 | M22x1,5 |
| Port 43 | M22x1,5 |
Other OEMs
SCANIA
- 239212
WABCO
- 9730020130
- 973 002 013 0
Related Products
Repair Kits
Compatible Vehicles
| Brand | Model | Model Type | Engine |
|---|---|---|---|
| SCANIA | |||
| WABCO |
FAQ
What is the primary function of this trailer control valve?
It balances air pressure delivered to the trailer based on brake pedal input, providing synchronized braking between the tractor and trailer units.
Which vehicle makes is this part compatible with?
This component is designed for Scania vehicles and is also compatible with WABCO systems used in heavy commercial vehicle braking.
What are the port specifications for this valve?
The valve features M22x1.5 connections on Port 1, Port 2, Port 41, Port 42, and Port 43 to ensure proper pneumatic integration.
When should I inspect the trailer control valve?
Technicians should inspect the valve during routine brake system maintenance or if there are symptoms of uneven braking or air pressure drops.
What are the OE reference numbers of this part?
303.05.0015 directly replaces Scania OE number 239212. It also replaces WABCO OE number 9730020130.