Part Number: S446-004-419-0 (OEM)
Type: Anti-lock Brake System (ABS) Electronic Control Unit (ECU)
System Configuration: 4S/4M (4 Wheel-End Sensors, 4 Modulator Valves)
Voltage: 24V (compatible with 24V vehicle systems)
Version: Standard "D" ECU (supports SAE J1922 or J1939 data links for ATC/RSC functions)
Compatibility: Designed for heavy-duty trucks, tractors, and buses with pneumatic ABS
Function: Monitors wheel speed via inductive sensors and modulates brake pressure to prevent wheel lockup
Optional Features: Supports Automatic Traction Control (ATC) and Roll Stability Control (RSC) when configured
Mounting: Typically frame- or cab-mounted
Construction: Durable housing for harsh vehicle environments.