Restore your marine engine's peak performance with this genuine Mercury Outboard 30 HP ECU. This factory-original Engine Control Unit (Part Number: 8M0165352) is engineered specifically for Mercury and Mariner 30HP EFI 4-Stroke outboard motors, ensuring precise fuel injection, reliable ignition timing, and optimal engine diagnostics.

Product Highlights

• Genuine OEM Quality: Factory Mercury Marine part, offering guaranteed fitment, durability, and reliable performance compared to aftermarket alternatives.
• Plug-and-Play Installation: Direct replacement for your failed or water-damaged electronic control module.
• Cross-Reference & Superseded Part Numbers: 8M0165352, 8M0108790, 803560T09, 803560T04, 898101T56. (Please check your original part label to confirm).

Guaranteed Fitment & Compatibility

This 30 HP ECU is compatible with the following 3-Cylinder 4-Stroke EFI marine engines:

• Mercury Outboard: 30HP EFI (3-Cylinder) (4-Stroke) models
• Mariner Outboard: 30HP EFI (3-Cylinder) (4-Stroke) models
• Fits Serial Numbers: Common in USA SN# 0R106999 & Up, 0R252046 & Up (Please verify your specific engine serial number before buying).
• *Also fits certain compatible Tohatsu 30HP EFI outboard platforms built under the Mercury partnership.

Product Specifications

• Brand: Mercury Marine (OEM)
• Part Type: Engine Control Unit (ECU / ECM / Computer Board)
• MPN / OEM Number: 8M0165352
• Compatible Horsepower: 30 HP (EFI Models Only)
• Engine Type: 3-Cylinder, 4-Stroke Inline

Important Notice & Shipping

Electrical marine components like this Mercury 30HP Engine Control Unit require correct diagnosis before replacement. Please ensure your troubleshooting confirms the ECU is the faulty part. We ship this 8M0165352 30 ECU with secure packaging to prevent static or transit damage. Fast domestic shipping available!