The Gates auxiliary electric water pump for 2011–2015 Chevrolet Volt is an application-specific electric pump used with the vehicle's generator control module. Labeled as an auxiliary unit for the Volt, it supports the hybrid cooling or auxiliary fluid circuit in the specified model years and is supplied to match the vehicle's listed configuration where an auxiliary pump is required.
Gates 11-15 Chevrolet Volt Electric Water Pump - Aux. (Generator Control Module)