Description
The N9001AA Haldex ABS Relay Valve is a high-performance relay valve manufactured by Haldex specifically for trailers with Anti-Lock Braking Systems (ABS). This valve controls the delivery of compressed air to the brake chambers while integrating with the ABS system to prevent wheel lock-up during hard braking.
Built to Haldex’s strict standards, the N9001AA offers reliable, quick-response braking and helps maintain vehicle stability and control, especially in emergency stopping situations. It is a critical component for modern air-braked trailers that require both strong braking performance and ABS compatibility.
This valve is commonly used on heavy-duty utility trailers, flatbeds, equipment haulers, and multi-axle trailers operating in demanding conditions around San Antonio.
Key Features & Benefits:
- N9001AA Haldex ABS Relay Valve.
- Designed for trailers with Anti-Lock Braking Systems.
- Provides fast and balanced brake response.
- Works seamlessly with trailer ABS modules.
- Heavy-duty construction for long service life.
- Helps improve safety and stopping control.
- Direct replacement for worn or failing Haldex ABS relay valves.
A properly functioning ABS relay valve is essential for safe braking performance on modern air-braked trailers.
At Ace Welding & Trailer Co., your trusted family-owned trailer repair and parts business in San Antonio, we stock quality air brake components including the N9001AA Haldex ABS Relay Valve, along with standard relay valves, air chambers, gladhands, air lines, trailer brakes, and more. Local fleets and construction companies count on us for quality San Antonio trailer parts and fast, professional repair service. Order your N9001AA Haldex ABS Relay Valve online at aceweldingandtrailer.com or stop by our San Antonio shop for immediate pickup and expert advice. Keep your air-braked trailers stopping safely with dependable parts from a local Texas business you can count on!
N9001AA TRL VALVE ABS HALDEX





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