ABS Engine Control Unit - 4S4M 400-866-686-0
ABS Engine Control Unit - 4S4M 400-866-686-0 is backordered and will ship as soon as it is back in stock.
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Delivery and Shipping
Delivery and Shipping
This part typically ships within 1 to 2 business days.
Replacement ABS Engine Control Unit engineered for heavy-duty truck braking systems. Supports 4S4M configurations (4 sensors, 4 modulators). Commonly used in Peterbilt, Kenworth, Freightliner, Volvo, Mack, and International trucks. Regulates wheel speed sensors and modulators to maintain reliable braking performance. Always confirm OEM part number and ABS setup before purchase to ensure correct application.
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