Lisle GM Northstar Water Pump Tool Lisle 14440 Water Pump Wrench | GM Northstar 4.0L & 4.6L Engine Water Pump Removal Tool 4.6l Engine Tool Product description Lisle water pump wrench removes and installs water pump assembly on GM Northstar 4.0L and 4.6L engines. Turn the tool with a 1/2 drive ratchet or breaker bar Lisle water pump wrench removes and installs water pump assembly on GM Northstar 4., 0L and 4., 6L engines. Herramienta Motor Gm Northstar Lisle Water Sensor Wrench (versión Oem) | Cuotas Sin Interés Llave 1/2 Pulgada Drive Angled teeth prevent the tool from slipping Use a 1/2 drive ratchet ore breaker bar to turn wrench , Fit type: Universal