This high-performance starter solenoid relay is a precision-engineered replacement for Mercury Marine, Mariner, and Force outboard engines. Designed specifically for the rigorous demands of marine environments, it acts as a heavy-duty electromagnetic switch to deliver the high current necessary for reliable engine ignition.
RELIABILITY: Featuring an isolated base and high-conductivity silver alloy contacts to ensure consistent starting performance in humid and corrosive saltwater conditions.
This is a premium quality 4Drive / Aftermarket replacement part, manufactured to meet or exceed original equipment (OE) standards for fitment and performance.
How do I know if it is compatible?
Check the SKU/MPN and Cross Reference list provided above. If your original part number is 89-817109A1, A2, or A3, this is a guaranteed fit.
What is the difference between A1, A2, and A3 suffixes?
The suffixes represent manufacturer revisions and updates. They are interchangeable and refer to the same 12V 4-terminal solenoid design used across the 40-250 HP engine range.
Note: Please verify your original part number against the references above before purchasing. Domain: 4drive.co.uk
