Mercury Mariner EFI ECU 11350A7 | 2.4L V6 200HP | 1988–1993 | 1-Year Warranty

Product Overview

Restore the performance of your Mercury or Mariner Laser EFI outboard with this Mercury EFI Engine Control Unit (ECU), Part Number 11350A7. Designed for select 1988–1993 Mercury and Mariner 2.4L V6 200HP Laser EFI outboards, this ECU plays a critical role in managing fuel delivery and engine performance for smooth, reliable operation.

If your existing ECU has failed or is causing drivability issues, replacing it with the correct unit can help restore proper engine function and dependable performance on the water.

This ECU has been visually inspected to confirm the housing, connectors, and terminals are in good condition and is supplied ready for installation. Every purchase is backed by a 1-Year Warranty for added confidence.

Key Features

• Genuine Mercury / Mariner EFI Engine Control Unit
• OEM Part Number: 11350A7
• Fits Select 1988–1993 2.4L V6 200HP Laser EFI Outboards
• Connectors and terminals inspected
• Housing in good condition
• Ready for installation
• 1-Year Warranty Included
• Secure packaging for safe shipping

Technical Specifications

Compatible Applications

This ECU is designed for select:

• Mercury 200 HP Laser EFI Outboards
• Mariner 200 HP Laser EFI Outboards

Engine Size

• 2.4L V6

Model Years

• 1988
• 1989
• 1990
• 1991
• 1992
• 1993

Important: Always match the OEM part number on your existing ECU before purchasing. If you're unsure about compatibility, our team is happy to help.

Condition

This is a pre-owned OEM Mercury ECU that has been visually inspected before being offered for sale.

• Housing is clean and free from visible damage.
• Electrical connectors and terminal pins are in good condition.
• Ready for installation.

Although electronic components cannot always be fully bench-tested outside their original application, this ECU is backed by our 1-Year Warranty for your peace of mind.

What's Included

Your purchase includes:

• Mercury / Mariner EFI ECU
• OEM Part Number 11350A7

No additional wiring, sensors, or mounting hardware are included unless specifically shown in the product photos.

Shipping Information

Every ECU is carefully packaged to protect sensitive electronic components during transit.

We offer secure shipping throughout the United States and can also arrange international shipping upon request.

For shipping enquiries, please provide your country and postal code for an accurate quotation.

Warranty

1-Year Warranty Included

We stand behind the quality of our marine electronics.

If this ECU experiences a covered failure during normal operation within one year of purchase, EZ Boats Marine will repair, replace, or refund the item if a replacement is unavailable, in accordance with our warranty policy.

Why Buy from EZ Boats Marine?

• Genuine OEM Mercury and Mariner parts
• Professionally inspected components
• Competitive pricing
• Fast, secure shipping
• Dedicated customer support
• Trusted source for new and used marine parts
• Warranty-backed purchases for added confidence

Whether you're repairing a faulty engine management system or restoring an older outboard, EZ Boats Marine is committed to providing dependable marine parts and exceptional customer service.

Frequently Asked Questions

Which engines does this ECU fit?

This ECU is designed for select 1988–1993 Mercury and Mariner 2.4L V6 200HP Laser EFI outboards. Always verify compatibility using your OEM part number.

What are the replacement part numbers?

This ECU replaces the following Mercury part numbers:

• 11350A13
• 11350A40
• 821559A1
• 849849A4

Is this a genuine Mercury part?

Yes. This is an OEM Mercury/Mariner Engine Control Unit.

Has this ECU been inspected?

Yes. The housing, connectors, and terminal pins have been visually inspected to ensure they are in good condition before sale.

Does this ECU include a warranty?

Yes. This product is backed by a 1-Year Warranty for added peace of mind.