Circulation Pump – Replacing Webasto U4814, Eberspacher/Johnson 07/06/2021 | No Comments Circulation Pump – Replacing Webasto U4814, Eberspacher/Johnson WB WPU4814 NB. Original part numbers and manufacturers names are used for reference purposes only. Add to quote SKU: 1625 Categories: Heating & Aircon Components, Pumps, Solenoids & Master Switches Tags: Circulation Pump, Webasto replacement Related products Blower Motor Body Length 3 1/2″ 24v 5/16″ twin shaft NEW Blower Motor Assy. – 5 Blower Motor Assy. – 3 Blower Motor Bosch Twin Shaft 0130111130 NEW