Boat owners with older Volvo Penta inboards, listen up! If your engine is running hot or the raw water flow is weak, this impeller is likely the culprit. This replacement fits the F5C style seawater pump (used on pumps like 855722, 856513, 826456) on a huge list of classic Volvo AQ and BB series engines from the 4.3L V6 all the way up to the big 7.4L V8. We're talking AQ200, AQ225, AQ260, AQ271, AQ311, BB225, BB260, and the 4.3L, 5.0L, 5.7L, and 7.4L Gi models. It's a direct replacement for part numbers 876120-7 and 834794. The impeller is the rubber star-shaped piece inside the pump that moves the water; it wears out and the vanes can crack or break off over time. Changing it is standard preventative maintenance – usually involves removing the pump faceplate. Keep a spare onboard! Using the correct impeller ensures your engine gets the cooling it needs. Always double-check your specific engine and pump model, but if you've got one of those classic Volvos, this is probably the part you need.
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