Sierra Starter Motor Mounting Bolt for Mercruiser Stern Drives

Part number:  18-8403

Replaces Mercury part numbers: 10-8053433, 8053433, 812509184.

This starter motor mounting bolt fits many Mercruiser engines.

Please check the part numbers for your fitment needs. If you are unsure whether this part fits your model, please contact us with your serial number and we can help determine if it is right for your engine. Thanks for looking!!!

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We offer the most used Stern Drive & Outboard parts in Wisconsin!


Christine