Aftermarket Stator Assembly for Mercury 2-Stroke Outboards – Replaces 174-6617K1, 86617A20 and 86617A13

Product Details

This aftermarket stator assembly is designed as a replacement charging and ignition component for selected Mercury 2-stroke outboards. Catalog records identify the corresponding stator assembly for Mercury 6 HP, 8 HP and 9.9 HP models across several serial-number ranges. Because Mercury fitment varies by model and serial number, verify your engine identification, connector, mounting pattern and original part number before ordering.

This replacement is listed for the following Mercury references: 174-6617K1, 86617A20, 86617A13, 86617A2, 86617A3, 86617A5, 86617A9 and 86617A11. These numbers are provided as reference identifiers; they do not replace the need to confirm exact engine serial-number fitment.

• Replacement stator assembly for selected Mercury 2-stroke outboards
• Designed for direct electrical and mounting compatibility where the listed application matches
• Includes one stator assembly; compare the connector and mounting arrangement with the original part
• Aftermarket replacement, not an original Mercury component

Part Number Matrix

The following manufacturer reference numbers are associated with this replacement. Confirm the number on your original stator and the engine serial range before purchase.

Verified Catalog Fitment References

Catalog occurrences identify part number 86617A20 as a stator assembly in Mercury ignition-component diagrams for the following model and serial-number combinations.

Additional Mercury horsepower and serial-number applications may use related references, but the available catalog results do not establish every broader application shown in the previous listing. Do not rely on horsepower alone to determine fitment.

Technical Specifications

Condition

Aftermarket, brand new

Type

Generator and ignition stator assembly

Quantity

1 stator assembly

Application

Selected Mercury 2-stroke outboards

Reference numbers

174-6617K1, 86617A20, 86617A13, 86617A2, 86617A3, 86617A5, 86617A9 and 86617A11

What's in the Box

• 1 × Aftermarket stator assembly

Installation Notes

1. Disconnect the battery and remove the engine cover according to the service-manual procedure.
2. Remove the flywheel with a suitable flywheel puller. Do not strike the flywheel with a hammer.
3. Disconnect the original stator wiring and remove the fasteners securing the stator.
4. Route the original wiring out carefully and remove the old stator assembly.
5. Compare the replacement stator with the original, including connector style, wire routing, mounting holes and overall configuration.
6. Install the replacement stator and route the wiring exactly as specified by the engine service manual.
7. Reconnect the wiring and confirm that all connectors are fully seated and protected from chafing.
8. Reinstall the flywheel and torque the flywheel nut to the manufacturer's specification.
9. Reconnect the battery, reinstall the cover and test the engine's ignition and charging output using the service-manual specifications.

Troubleshooting & FAQ

What symptoms can indicate a failing stator?

Possible symptoms include difficult starting, weak or intermittent spark, charging-system problems, rough running or loss of power. Test the stator and related ignition components with the procedures and specifications in the correct engine service manual.

Will this stator fit my specific serial number?

Catalog records specifically identify the related stator assembly for selected Mercury 6 HP, 8 HP and 9.9 HP applications and the serial ranges listed above. Confirm your complete engine model and serial number, the original part number, connector and mounting pattern before ordering.

Does this listing include a flywheel, regulator or rectifier?

No. The package contains one aftermarket stator assembly only. Inspect the flywheel, magnets, regulator/rectifier, wiring and other ignition components during installation.

Can I install the stator myself?

Installation requires flywheel removal and electrical testing. A suitable flywheel puller, correct torque procedures and the applicable service-manual specifications are required. Professional installation is recommended if you are not familiar with these procedures.

Is this an OEM Mercury stator?

No. This is an aftermarket replacement component intended for applications that match the listed reference numbers and fitment conditions.

How often should a stator be replaced?

A stator is normally replaced when testing indicates a fault or when the unit has visible heat damage, insulation damage, corrosion or other physical deterioration. Inspect for the underlying cause before installing a replacement.

Safety & Important Information

• Verify the complete engine model, serial number, original part number, connector and mounting arrangement before ordering.
• Disconnect the battery before servicing electrical components.
• Use the correct flywheel puller and follow the engine manufacturer's torque specifications.
• This is an aftermarket replacement, not an OEM Mercury component.
• Do not purchase based on horsepower alone; model and serial-number conditions must match.

About Sea Sierra

• Marine replacement parts selected for practical repair and maintenance applications.
• Clear reference-number and fitment information to help customers compare replacement components.
• Aftermarket value for maintaining compatible marine engines and electrical systems.