OEM Quicksilver 89984T4 Impeller for Mercury OptiMax & MerCruiser
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OEM Quicksilver 89984T4 Impeller for Mercury OptiMax & MerCruiser
Description
Description
The OEM Quicksilver 89984T4 water pump impeller is specified for Mercury OptiMax 2.5L non-Pro outboards, serial 1B227000 and above. It also appears in selected MerCruiser sterndrive parts references.
Verified application references
- Mercury V6 OptiMax 2.5L non-Pro models, serial 1B227000+.
- Selected MerCruiser R, MR and Alpha One sterndrives in the 1983–1990 parts family.
Confirm the exact impeller in the engine or drive serial-number-specific diagram before ordering. Pump configurations vary, and this is not a universal replacement for every OptiMax or Alpha drive.
What is supplied
Replacement impeller only. Inspect the pump’s other components during service and use the applicable service manual for installation.
