Home / Heating & Aircon Components / Circulation Pump – Replacing Webasto U4814, Eberspacher/Johnson Circulation Pump – Replacing Webasto U4814, Eberspacher/Johnson Circulation Pump – Replacing Webasto U4814, Eberspacher/Johnson WB WPU4814 NB. Original part numbers and manufacturers names are used for reference purposes only. Enquire about this product SKU: 1625 Categories: Heating & Aircon Components, Pumps, Solenoids & Master Switches Tags: Circulation Pump, Webasto replacement Product ID: 1625 Related products Irizar Hispacold Drivers Control 3200687 Sutrak Caetano Air Con Unit 60.60.60.061/60.60.60.063.