OEM Quicksilver 89981Q1 Water Pump Repair Kit for Mercury & Mariner
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Description
Description
The OEM Quicksilver 89981Q1 water pump repair kit provides the impeller and associated service components for a matching Mercury or Mariner outboard water pump.
Verified application examples
Mercury 7.5hp and 9.8hp two-stroke outboards, USA serial 5206550 and later, with the 0.456-inch impeller inside-diameter configuration. The manufacturer's chart specifies 89981Q1 for this configuration.
The 0.438-inch impeller-bore versions use a different kit. Match the bore and exact pump diagram as well as the serial number.
Kit contents
Quicksilver identifies this as a seven-piece kit containing an impeller, drive key, face plate, water guide tube and sealing components including gaskets and O-rings.
Order by the exact kit number
Confirm that your engine’s serial-number-specific parts diagram calls for 89981Q1 before ordering. Water pump configurations vary; engine horsepower or the appearance of an old impeller alone is not sufficient to establish compatibility.
Follow the service manual for the correct installation procedure and inspect the remaining pump components during service.



