DESCRIPTION
Mercury Outboard 40hp 4-Cylinder Engine Block (8981A18) — a freshwater-use engine block designed for Mercury 40hp outboard motors. This OEM replacement block is ideal for rebuild projects or engine restoration on compatible Mercury models.
Key specifications:
- 40 horsepower rating
- 4-cylinder configuration
- Freshwater-tested condition
- OEM part number 8981A18
Freshwater engine blocks have minimal corrosion and extended lifespan compared to saltwater-exposed units, making this a reliable foundation for a dependable rebuild.
SHIPPING & RETURNS
SHIPPING
- Free Shipping on all orders — no minimum purchase required.
- Orders are dispatched within 24 hours of purchase (business days).
- Estimated delivery: 2–5 business days within the contiguous United States.
- Tracking information emailed as soon as your order ships.
RETURNS
- Exchanges accepted — we want you to be completely satisfied.
- If a part does not fit or is not as described, contact us within 7 days for an exchange.
- Items must be in original, unused condition and in original packaging.
WARRANTY
- 1-Year extended warranty available at additional cost — ask us for details.
FITMENT & COMPATIBILITY
Please verify that this part is compatible with your vehicle's year, make, model, and trim level before ordering. Part numbers and fitment details are listed in the product description. If you have any questions about compatibility, our team is happy to help — contact us by phone or email before purchasing.
Phone: (803) 723-7074
Email: sales@findmypart.shop
Hours: Mon–Fri, 9am–5pm EST
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- SHIPS IN 24 HOURSOrders dispatched within one business day, delivered in 2–5 business days.
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