Water Pump Impeller Kit – Fits Mercury/Mariner/Force 25-50 HP (Replaces 821354A2, 821354A1) 190HP a loose or cracked housing

a loose or cracked housing

21951356 Volvo Penta KAMD42A

Carefully thread the impeller puller tool clockwise into the threaded center of the impeller until it is snug

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 a loose or cracked housingProduct 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