Mercury Optimax ECM PCM | OEM 8M0108748 | Fits 2006 & Up Mercury 3.0L Optimax 200 & 225 HP Outboards | 1-Year Warranty

Product Overview

Restore reliable engine performance with this genuine OEM Mercury Optimax ECM/PCM, designed for 2006 and newer Mercury 3.0L Optimax 200 HP and 225 HP DFI outboards. This factory Engine Control Module (ECM/PCM) has been professionally tested on a running engine and verified using a CDI diagnostic tester, ensuring dependable performance before shipment. Removed from a 225 HP Optimax DFI donor engine, this module recorded 556 engine hours, with no active fault codes reported during testing. It is ready to install and backed by a 1-Year Working Warranty for added confidence. Whether you're replacing a failed ECM or restoring your Optimax outboard to factory operation, this genuine Mercury control module provides OEM reliability and precise engine management.

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Key Features

• Genuine OEM Mercury Optimax ECM / PCM
• Fits 2006 & newer Mercury 3.0L Optimax DFI outboards
• Professionally engine tested
• CDI diagnostic report included
• 556 verified engine hours
• No active fault codes
• Ready to install
• Backed by a 1-Year Working Warranty

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Technical Specifications

Specification	Details
Brand	Mercury
Product Type	Engine Control Module (ECM / PCM)
Condition	Used – Tested Good
OEM Part Number	8M0108748
Superseded Part Numbers	89790650T, 89790609T
Engine Type	Optimax DFI
Displacement	3.0L V6
Horsepower	200 HP / 225 HP

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OEM Part Numbers

Primary Part Number

• 8M0108748

Supersedes

• 89790650T
• 89790609T

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Compatible Applications

Designed for select Mercury outboards including: Model Years

• 2006 & Up

Horsepower

• 200 HP
• 225 HP

Engine Type

• Mercury Optimax
• Direct Fuel Injection (DFI)
• 3.0L V6

Donor Engine

• Serial Number: 1B937088

Important: 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 Optimax ECM/PCM has been professionally tested and is in excellent used condition. Inspection highlights include:

• Tested successfully on a running 225 HP Optimax engine
• CDI diagnostic report included
• 556 verified engine hours
• No active diagnostic fault codes
• No visible damage
• Ready for installation

Please review all product photos carefully before purchasing.

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What's Included

Your purchase includes:

• OEM Mercury Optimax ECM / PCM (8M0108748)
• CDI Diagnostic Test Report

Only the components shown in the product photos are included.

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Shipping Information

Your ECM/PCM will be carefully packaged to protect sensitive electronic components during shipping. 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 Engine Tested Electronics
• CDI Diagnostic Report Included
• 1-Year Working Warranty
• 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 ECM?

Yes. This is an original OEM Mercury Optimax Engine Control Module (ECM/PCM) manufactured by Mercury Marine.

Has this module been tested?

Yes. It has been tested on a running engine and verified using a CDI diagnostic tester. A CDI report showing 556 engine hours and no active fault codes is included.

Which engines does it fit?

This ECM fits select 2006 and newer Mercury 3.0L Optimax DFI 200 HP and 225 HP outboards. Always verify compatibility using your engine's serial number and OEM part number before ordering.

Is this covered by a warranty?

Yes. This ECM is backed by a 1-Year Working Warranty. If it fails during normal use, EZ Boats Marine will replace it or provide a refund if a replacement is unavailable.

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 8M0108748 ECM/PCM is the correct fit before you purchase.