THIS SHIPS FOR FREE! PROAIR OEM 05-000-295 shuttle bus heater booster pump. Circulation booster pump for shuttle bus heater. 5/8" inlet and outlet. 12V. This part helps heaters produce warmer air by increasing / boosting coolant flow through shuttle bus heater. Can be used to replace similar pumps. Kit includes pump, mounting bracket, and wiring harness. Will Replace ProAir OEM 05-001-193 . We sell more than shuttle bus heater booster pumps. Please browse our store for all of your shuttle bus needs.