AH-VALVE Heavy-Duty Train Horn Replacement Valve
Key features
- Replacement valve: Use it when servicing a compatible train horn assembly.
- Heavy-duty 1/2-inch design: Fits the supported horn applications listed below.
- Dedicated service part: Helps restore proper horn activation during system service.
AH-VALVE Heavy-Duty Train Horn Replacement Valve is backordered and will ship as soon as it is back in stock.
AH-VALVE Heavy-Duty Train Horn Replacement Valve is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
Restore valve operation in a compatible Aggressor train horn assembly with the AH-VALVE heavy-duty replacement valve. Its 1/2-inch valve design is made for service and repair, not as a complete horn system.
Key Features & Benefits
- Replacement valve: Use it when servicing a compatible train horn assembly.
- Heavy-duty 1/2-inch design: Fits the supported horn applications listed below.
- Dedicated service part: Helps restore proper horn activation during system service.
Technical Specifications
| Brand | Aggressor Air Horns |
|---|---|
| Manufacturer model | AH-VALVE |
| Product type | Train horn replacement valve |
| Valve design | Heavy-duty 1/2-inch valve |
| Compatible horn models | AH-300, AH-300BLK, and AH-D300+ |
Why Choose This Product?
The AH-VALVE is a dedicated replacement component for compatible Aggressor train horn assemblies. Replacing the valve during service can help restore proper horn activation without treating this part as a complete horn system.
Installation & Compatibility Notes
Before ordering, confirm your Aggressor horn or compressor model and the required part dimensions. Check that your horn is an AH-300, AH-300BLK, or AH-D300+ model.
This is a replacement component, not a complete horn system.
Frequently Asked Questions
Which train horns is the AH-VALVE designed for?
It is designed for the Aggressor AH-300, AH-300BLK, and AH-D300+ train horns.
What valve design does this replacement use?
The AH-VALVE uses a heavy-duty 1/2-inch valve design for supported horn applications.
Is this a complete train horn system?
No. It is a replacement valve for servicing a compatible existing horn assembly.
What should I confirm before ordering?
Confirm your Aggressor horn or compressor model and the required part dimensions.
Explore More
Shop for your train horn service needs at 12 Volt Outlet. Want to learn more about Aggressor? Explore our Aggressor brand profile.

