Mercury Cylinder Block | OEM 9811A19 | Fits 1994–1999 Mercury 225HP & 250HP 3.0L V6 2-Stroke EFI & Carbureted Outboards

Product Overview

Replace your damaged engine block with this genuine OEM Mercury Cylinder Block, designed for 1994–1999 Mercury 225HP and 250HP 3.0L V6 2-stroke outboard engines. This factory cylinder block was removed from a freshwater engine and has been professionally inspected to ensure it is a solid foundation for your engine rebuild. This is a bare cylinder block and does not include internal engine components or mounting hardware. The cylinder walls show no scoring, making it an excellent candidate for rebuilding or replacing a damaged block. Important: This cylinder block is designed for EFI and carbureted 3.0L V6 engines only. It does not fit Mercury OptiMax or DFI models. If you're unsure of compatibility, simply provide your engine's serial number and EZ Boats Marine will verify fitment before purchase.

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Key Features

• Genuine OEM Mercury Cylinder Block
• Fits 1994–1999 Mercury 225HP & 250HP 3.0L V6 2-Stroke outboards
• Compatible with EFI and carbureted models
• Freshwater donor engine
• Bare cylinder block
• No scoring on cylinder walls
• Professionally inspected
• Ideal for engine rebuilds or replacements
• Ready for machining or assembly

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Technical Specifications

Specification	Details
Brand	Mercury
Product Type	Cylinder Block
Condition	Used – Good Condition
OEM Part Number	9811A19
Engine Displacement	3.0L
Engine Configuration	V6 2-Stroke
Compatible Fuel Systems	EFI & Carbureted
Horsepower	225 HP, 250 HP

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OEM Part Numbers

• 9811A19

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Compatible Applications

Designed for select Mercury outboards including: Model Years

• 1994
• 1995
• 1996
• 1997
• 1998
• 1999

Horsepower

• 225 HP
• 250 HP

Engine Type

• Mercury 3.0L V6 2-Stroke
• EFI
• Carbureted

Important: This cylinder block does NOT fit Mercury OptiMax or DFI engines. Always verify compatibility using your engine's serial number and OEM part number before purchasing. If you need assistance confirming fitment, contact EZ Boats Marine and we'll be happy to help.

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Condition

This Mercury cylinder block has been professionally inspected and is in good used condition. Inspection highlights include:

• Removed from a freshwater engine
• Bare cylinder block only
• No scoring on the cylinder walls
• No internal engine components included
• No mounting bolts included
• Sold as shown in the product photos

Donor Engine Serial Number: 0G843189 Please review all product photos carefully to evaluate the cosmetic condition before purchasing.

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What's Included

Your purchase includes:

• OEM Mercury Cylinder Block (9811A19)

Not Included:

• Pistons
• Crankshaft
• Connecting rods
• Bearings
• Cylinder heads
• Mounting bolts
• Any internal engine components

Only the components shown in the product photos are included.

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Shipping Information

Your cylinder block will be securely packaged to help prevent shipping damage during transit. We offer fast shipping throughout the United States, with international shipping available upon request. For an accurate shipping quote, please provide:

• Country
• ZIP or Postal Code
• Residential or Commercial Address
• Whether liftgate service is required

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Why Buy from EZ Boats Marine?

• Genuine OEM Mercury Marine Parts
• Professionally Inspected Components
• Freshwater OEM Parts
• Factory Fit and Finish
• Honest Condition Descriptions
• Fast Nationwide & International Shipping
• Secure Packaging
• Experienced Marine Parts Specialists
• Dedicated Customer Support

EZ Boats Marine is committed to supplying quality OEM marine parts backed by expert service and dependable support.

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Frequently Asked Questions

Is this a genuine Mercury part?

Yes. This is an original OEM Mercury Cylinder Block manufactured by Mercury Marine.

What condition is it in?

The cylinder block is in good used condition. It was removed from a freshwater engine and professionally inspected. The cylinder walls have no scoring, making it an excellent rebuild candidate.

Which engines does it fit?

This block fits select 1994–1999 Mercury 225HP and 250HP 3.0L V6 2-stroke EFI and carbureted outboards.

Will it fit an OptiMax or DFI engine?

No. This cylinder block is not compatible with Mercury OptiMax or DFI engines.

What is included?

This listing is for the bare cylinder block only. Internal engine components, cylinder heads, and mounting hardware are not included.

Can EZ Boats Marine verify fitment?

Absolutely. Simply send us your Mercury engine's model and serial number, and we'll confirm whether this OEM 9811A19 Cylinder Block is the correct fit before you purchase.