WABCO 4S/1M Semi-Truck ABS Brake Valve with ECU Assembly – WAB400-500-103-0

Description

Used on semi-truck trailers produced after March 1, 2001. Complete Enhanced Easy-Stop Assembly consists of an ECU, single or dual modulator valve and, for the Basic, a bracket. This unit is very common on late model semi-truck TRAILERS (2002+) with a 4-wheel sensor ABS Brake System.

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