WABCO 975 303 474 0 Pneumatic Hand Brake Valve
The WABCO 975 303 474 0 Pneumatic Hand Brake Valve is a highly reliable brake control valve engineered specifically for commercial vehicles. Featuring a robust cast metal body, this premium valve ensures optimal pneumatic brake system performance and longevity under demanding heavy-duty conditions. It comes equipped with a precise top-mounted black plastic adjustment knob for accurate manual control. The unit includes multiple strategically labeled air ports (1, 21, 4, 23, 12, and 1-2) with standard M22x1.5 threading, along with side exhaust ports protected by blue caps to prevent debris contamination during transit and installation. Built to stringent WABCO manufacturing standards, it serves as a dependable replacement part guaranteeing maximum safety and efficiency in commercial braking applications.
Technical Specifications:
- Brand: WABCO
- Model/Part Number: 975 303 474 0 (Additional Ref: 893 011 380 4)
- Product Type: Pneumatic Hand Brake Control Valve
- Thread Size: M22x1.5
- Port Designations: 1, 21, 4, 23, 12, 1-2
- Material: Cast Metal Body with Heavy-Duty Plastic Knob
- Application: Commercial Vehicles / Heavy-Duty Trucks

| Brand | WABCO |
|---|---|
| Model | 975 303 474 0 |
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Shipping policy
If you are buying multiple items, please contact us before checking out so we can get you the best combined rate for shipping.
Our default shipping rate is $100, which is enough to cover the cost of most shipments, but it is not our expected shipping rate. Due to the varying weights and sizes of products and customer locations, please contact us with your location and the products you are interested in to get the best current shipping rates.
ENERAL DELIVERY INFORMATION
Orders will be processed and shipping during standard working hours (0830 – 1700 GMT+8) Monday to Friday (excluding Bank Holidays)
On rare occasions, your order may be handled and/or processed on a Saturday. However, we are unable to ship items on weekends, therefore any orders dealt with on the weekend will be send out the next following working day.
The cut-off point for orders to be shipped the same day is 14:00 – please contact us to confirm stock levels before placing your order
Any orders placed after the cut-off will ship the next working day assuming all parts are in stock and ready for dispatch.
All orders:
- must be paid for in full before any goods are dispatched
- require a signature upon delivery. Please ensure delivery can be made to an address where someone will be available to sign for the delivery
- are packaged with great care, ensuring your order and the contents it contains, makes it safely through the delivery network
WABCO 975 303 474 0 Pneumatic Hand Brake Valve
Upgrade your commercial vehicle’s braking system with the genuine WABCO 975 303 474 0 Pneumatic Hand Brake Valve. Featuring standard M22x1.5 threads, multiple port configurations, and a durable cast metal body, this OEM control valve delivers superior pneumatic performance, precise air management, and long-lasting reliability for heavy-duty trucks and trailers.

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