Mercury MerCruiser Quicksilver Upper Shift Lever Screw 8M0084649
In stock items ship same or next day.
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Product Description
Mercury Quicksilver 10-8M0084649 secures the upper shift lever to the shift shaft in specified MerCruiser bell-housing assemblies. It is the service replacement for earlier screw 10-45590.
Key Features
- OEM number: 10-8M0084649.
- Upper shift-lever-to-shift-shaft screw.
- Catalog length: 1-1/16 inch.
- Replaces 10-45590.
Compatibility and Fitment
Verified in MerCruiser 485 and Alpha One Gen II bell-housing diagrams, including the 1998-and-up Alpha One Gen II catalog. Match the actual transom and shift-shaft assembly.
Replacement and Installation
Replace a damaged screw or worn fastening interface and inspect the lever, shaft and associated washer. Follow the shift-system service procedure and check full engagement in forward, neutral and reverse before operation.
Alternate / Superseded Part Numbers
10-8M0084649 supersedes 10-45590.
Mercury Parts Finder
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Parts Desk Insight
A loose lever connection can affect shift travel. Inspect the lever and shaft as well as the screw; a new screw alone will not correct wear in the mating components.
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 1-3 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
Returns & Satisfaction Guarantee
We stand firmly behind the quality of every product we sell. Your confidence matters to us — and we back it with a straightforward 30-Day Satisfaction Guarantee.
If you are not fully satisfied, you may request a return within 30 days of delivery. All returns must receive pre-approval prior to being sent back. Unauthorized returns will not be accepted.
To qualify for a return:
Item must be in new, unused condition
Product must be in its original packaging
All parts, components, hardware, manuals, and accessories must be included
Packaging must be undamaged and suitable for resale
Important:
Electronics are strictly inspected. No returns on open-box electronics. Exceptions may apply only with prior written approval. Any electronic unit that has been installed, powered, activated, or altered may not be eligible for return.
We are serious about product integrity — and equally serious about taking care of our customers. If there is ever a product issue, contact us immediately so we can make it right.
For return authorization, please contact our support team before shipping anything back.