Stator – Fits Mercury 6HP 8HP 9.9HP 10HP 15HP 18HP 20HP 25HP 35HP 40HP 2-Stroke (Replaces 174-6617K1, 86617A20, 86617A13)

Product Details

This aftermarket Stator – Fits Mercury 6HP 8HP 9.9HP 10HP 15HP 18HP 20HP 25HP 35HP 40HP 2-Stroke generator stator coil is engineered for Mercury 2-stroke carbureted outboards spanning 6 HP to 40 HP, covering model years 1979–1997. Designed for 2-cylinder engines with serial range 0A197112-0G289100, this replacement ensures reliable ignition charging across a wide horsepower range.

This unit directly replaces OEM part numbers 174-6617K1, 86617A20, 86617A13, 86617A2, 86617A3, 86617A5, 86617A9, and 86617A11.

• Plug-and-play installation with included connector—no splicing required
• Highest-grade copper windings rated to 200°C for heat resistance and durability
• Factory-tested before shipment to ensure consistent output

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Technical Specs

Condition

Aftermarket 100% Brand New

Type

Generator Stator Coil

Quantity

1 PC

Lamination Material

Highest grade

Copper Winding Rating

Resistant to 200°C

Connector

Included

Testing

All units tested before shipment

What's in the Box

• 1 × Generator Stator Coil

Installation Notes

1. Disconnect the battery and remove engine cover to access the flywheel assembly.
2. Remove the flywheel using a suitable puller; do not strike the flywheel with a hammer.
3. Disconnect the original stator connector and unbolt the mounting screws securing the stator plate.
4. Carefully route the old stator wires out through the engine base and remove the unit.
5. Compare the new stator windings and connector to your original to confirm match.
6. Route the new stator harness through the base, position the stator on the mounting plate, and fasten bolts to spec.
7. Plug in the connector—ensure it clicks securely with no exposed pins.
8. Reinstall the flywheel, torque to manufacturer specification, and replace the engine cover.
9. Reconnect the battery and test-start the engine to verify charging output.

Troubleshooting & FAQ

How do I know if my stator is failing?

Common symptoms include weak spark, difficulty starting, battery not charging, rough idle, or intermittent power loss. Use a multimeter to test AC output at idle and higher RPM—compare readings to your service manual specifications.

Will this fit my specific serial number?

This stator fits Mercury 2-stroke carbureted engines with serial range 0A197112-0G289100. Always verify your engine serial falls within this range and compare connector style and mounting holes to your original unit before ordering.

Do I need to replace the flywheel or regulator at the same time?

Not necessarily. If your flywheel magnets are intact and the regulator/rectifier shows normal voltage output, replacing only the stator is usually sufficient. Inspect all charging-system components during installation.

Can I install this myself, or do I need a mechanic?

Installation is straightforward for those with mechanical experience and a flywheel puller. If you're unfamiliar with flywheel removal or electrical testing, professional installation is recommended to avoid damage or safety risks.

What is the difference between this and the OEM stator?

This aftermarket unit is built to OEM-level tolerances using comparable lamination and copper materials. It offers the same plug-and-play fit and function at a more accessible price point, without compromising reliability.

How often should a stator be replaced?

Stators typically last many years under normal conditions. Replace when you observe charging failure, physical damage, or burnt windings. Overheating, water intrusion, and voltage spikes can shorten lifespan.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

Safety & Important Info

• Verify images/specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.
• This is an aftermarket replacement, not an OEM component.
• Professional installation is recommended for safety and performance.

About Sea Sierra

• Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
• Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
• Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.