Water Pump Impeller Kit – Fits Mercury/Mariner/Force 25-50 HP (Replaces 821354A2, 821354A1) 190HP Using a restrictor gasket can

Using a restrictor gasket can impede flow and lead to overheating

50/60 (3 cyl) 6428681 D000749 332-7778A12 65/70 4382057 & UP 332-7778A12 70/75 (3 cyl) C272000 D283221 332-7778A12 80 (3 cyl) A996142 C221999 332-7778A12 90 (6 cyl) 5299506 & UP 332-7778A12 90 (3 cyl) A996142 D283221 332-7778A12 90 (Sport Jet Powerhead) E023150 E095087 332-7778A12 105 (Jet) D082000 G303045 332-7778A12 115 (6 cyl) 5314656 & UP 332-7778A12 V-135 A904646 & UP 332-7778A12 140 5327663 & UP 332-7778A12 140 (Jet) D082000 G960499 332-7778A12 V-150 4868998 G960499 332-7778A12 V-150 XR2 6616991 A904645 332-7778A12 XR4

To confirm an exact match

Oberdorfer Raw Water Pumps (Replaces Sherwood 10615K-SHW) is a direct replacement for the Sherwood 10615K-SHW impeller

gently rotate the drive shaft clockwise to correctly fold the new impeller blades

Water Pump Impeller Kit – Fits Mercury/Mariner/Force 25-50 HP (Replaces 821354A2, 821354A1) 190HP Using a restrictor gasket canProduct Details This Water Pump Impeller Kit provides a comprehensive solution for servicing the cooling system on Mercury Mariner 2550 HP, 4 stroke outboards (1998Up) and Force 4050 HP outboards (19951997). It is engineered to restore cooling efficiency and prevent engine overheating. This kit serves as a direct cross reference for Mercury part numbers 821354A1, 821354A2, and 821354A04, as well as aftermarket equivalents like Sierra 18 4531 and GLM