Water Pump Impeller Repair Kit – Fits Mercury/Mariner 3.9-9.8 HP (Replaces 46-92970A5, 47-89980T1) 135-150HP Locate the raw water pump

Locate the raw water pump and remove the cover plate screws to access the old impeller

115899C 115 2-Stroke 1978 395073 V4 Hydraulic Shift Johnson/Evinrude 115ETZ78C 115 2-Stroke 1978 395073 V4 Hydraulic Shift Johnson/Evinrude 115ML78C 115 2-Stroke 1978 395073 V4 Hydraulic Shift Johnson/Evinrude 115TXL77S 115 2-Stroke 1977 395073 V4 Hydraulic Shift Johnson/Evinrude 115TXL78C 115 2-Stroke 1978 395073 V4 Hydraulic Shift Johnson/Evinrude 140740S

A dry-joint gasket on a wet-joint system will block coolant flow

Unbolt and carefully detach the lower unit from the upper housing

Water Pump Impeller Repair Kit – Fits Mercury/Mariner 3.9-9.8 HP (Replaces 46-92970A5, 47-89980T1) 135-150HP Locate the raw water pumpProduct Details This Water Pump Impeller Repair Kit is designed for Mercury Mariner 2 stroke outboard engines including 3. 9, 4, 4. 5, 6, 7. 5, and 9. 8 HP models from 19751986. Fitment is specific to models with a 0. 438" impeller insert, ensuring proper water circulation to prevent overheating. It serves as a direct replacement for Mercury part numbers 46 92970A5, 47 89980T1, and 47 89980Q1, and is interchangeable with QuickMarine 92970A5. Installs