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4721950160 ABS Solenoid Modulator Valve for BENZ Heavy-Duty Trucks
Maintenance & Safety Warnings
Pneumatic Safety: Exhaust all air pressure from the auxiliary and brake reservoirs before attempting removal to prevent serious injury.
Directional Flow: Pay strict attention to the "In" and "Out" port markings; reversed installation will disable the ABS function on that wheel.
Contamination Alert: Even tiny particles of rust or rubber from old air lines can clog the internal solenoid. Always flush the air lines before installing a new unit.
System Calibration: After installation, a diagnostic reset is required to clear stored ABS fault codes and ensure the ECU recognizes the new modulator.
Product Overview
The 4721950160 ABS Solenoid Modulator Valve is a critical safety component manufactured by WABCO, designed for the high-demand air brake systems of Mercedes-Benz heavy-duty trucks. Its primary role is to regulate air pressure to the brake chambers during an ABS event, preventing wheel lock-up and maintaining steering control under emergency braking.
Built with a robust, corrosion-resistant housing and high-frequency response solenoids, this valve ensures millisecond-precision pressure adjustments. Whether integrated into a truck or trailer system, the 4721950160 offers the reliable "Active Safety" performance required to protect heavy cargo and drivers in extreme weather or high-speed conditions.
Technical Specifications
Technical Parameter
Specification Details
Part Number
4721950160 / 472 195 016 0
Brand Compatibility
Mercedes-Benz
Application
Anti-lock Braking System (ABS)
Voltage
24V DC
Max Operating Pressure
10.0 - 13.0 Bar
Port Thread Size
M22 x 1.5 (Standard Pneumatic)
Electrical Connection
Bayonet Nut Connector (DIN 72585)
Protection Class
IP 6K9K (Extreme Weatherproof)
Temperature Range
-40°C to +80°C
Key Features & Benefits
OEM Reliability: This is the identical part used by leading European truck manufacturers on their assembly lines, ensuring perfect fitment.
Enhanced Coil Insulation: The 24V solenoid is double-insulated to prevent short-circuiting caused by road salt, moisture, or chassis vibrations.
Global Standard: Fully compliant with ECE-R13 international braking regulations for commercial vehicles.
Frequently Asked Questions
Q: Can I use this valve on a trailer as well as a tractor unit?
A: Yes, the 4721950160 is a universal ABS modulator used extensively in both truck chassis and trailer ABS/EBS configurations.
Q: Why is my ABS light still on after replacing the valve?
A: Most ABS systems require a "Static Test" or a drive cycle (usually above 15 km/h) to clear the fault light. If it stays on, check the wheel speed sensor or the wiring harness for continuity.
Q: Does this unit include the mounting bracket?
A: This specific part number usually refers to the modulator valve itself. We recommend reusing your original bracket or purchasing the vehicle-specific mounting kit separately.
Q: How do I know if the failure is the valve or the ABS ECU?
A: If you hear a constant air leak from the valve's exhaust port while the brakes are applied, the internal diaphragm of the valve has failed. If there is no "click" sound during a diagnostic component test, the electrical coil or the ECU may be the issue.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler
Year Established:
2011
Total Annual:
10000000-100000000
Employee Number:
100~200
Ecer Certification：
Verified Supplier
Guangzhou Jinnaide Automotive Parts Co., Ltd is a professional supplier specializing in high-quality commercial vehicle and heavy-duty truck parts. With years of industry experience, we are committed to providing reliable products and efficient services to customers worldwide. Our extensive product ... Guangzhou Jinnaide Automotive Parts Co., Ltd is a professional supplier specializing in high-quality commercial vehicle and heavy-duty truck parts. With years of industry experience, we are committed to providing reliable products and efficient services to customers worldwide. Our extensive product ...
