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4721950330 ABS Trailer Modulator Relay Valve Assy For Wabco Meritor S4721950330
$116.59
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$116.59
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This ABS Trailer Modulator Relay Valve Assembly is a pneumatic component compatible with Wabco 4721950330 and Meritor S4721950330 systems.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.
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Product Overview
This ABS trailer modulator relay valve assembly controls air pressure modulation to trailer brakes during antilock braking events. It is a direct replacement for Wabco 4721950330 and Meritor S4721950330 part numbers, ensuring reliable braking performance on heavy-duty trailers.
Key Features & Performance
- Direct fit replacement for OEM Wabco and Meritor modulator valves
- Integrated relay and modulator function in one unit
- Improves trailer brake response and stability during ABS activation
- Built to meet OEM specifications for air brake systems
- Includes mounting bracket and electrical connector
Common Uses
- Replacing failed or worn ABS modulator valves on semi-trailers
- Servicing air brake systems on heavy-duty trailers and trucks
- Integrating into Wabco or Meritor ABS-equipped trailers
Technical Specifications
- Part Number(s): 4721950330 (Wabco), S4721950330 (Meritor)
- Type: ABS Modulator Relay Valve Assembly
- Pressure Rating: 150 PSI max.
- Port Sizes: SAE and NPT compatible
Frequently Asked Questions
Q: Will this valve work with my Meritor WABCO trailer ABS system? A: Yes, it is designed as a direct cross-reference for both Wabco 4721950330 and Meritor S4721950330 part numbers.
Q: Does this assembly include the electrical solenoid connector? A: Yes, the valve comes with the required electrical connector for plug-and-play installation.
Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.