Mercury Impeller Gasket | Replaces 27-8172771 | Sierra 18-2566
$4.49
Competitor Price:
$6.49
Replacement water pump impeller for many Mercury/Mariner outboards & Mercruiser. Sierra Brand.
- Replaces Mercury Marine 27-817277, 27-8172771
- Replaces Mallory 9-60023
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
Most in-stock orders ship within 24 hours. Orders placed by 1:00 PM EST typically ship the same business day, subject to availability.
Average delivery time within the Continental U.S. is 3–7 business days.
Expedited shipping options are available on select products. Weekend delivery is not available.
Oversized items, drop-shipped products, and shipments to Alaska, Hawaii, or international destinations may require additional time or shipping costs.
Tracking information is emailed once your order ships.