Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser.

Fits 40/45/50/60 FourStroke Bigfoot, 60 (3 cyl.) BigFoot, 75-125 (all 3 & 4 cylinder models, USA A996142 & above and BEL 9483121 & above), 75/90/115 FourStroke, V-200 (3.0L) DFI, 135-300 Verado, V-225/250 (3.0L) and MerCruiser Alpha One Gen II drives

Replaces Sierra 18-2566