Mercury MerCruiser — Transom Plate Mounting Screw — 8M0215010
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The Mercury MerCruiser Quicksilver 8M0215010 Transom Plate Mounting Screw is a genuine-style OEM replacement fastener used on compatible MerCruiser transom plate and stern drive mounting assemblies. This special screw is designed for marine transom hardware service where the parts diagram calls for 8M0215010 or the superseded Mercury part number 10-97934.
It is commonly replaced during transom assembly service, drive overhaul work, corrosion repair, or shift cable / transom plate maintenance.
Key Features
- Mercury / MerCruiser / Quicksilver transom plate mounting screw.
- Current part number: 8M0215010.
- Supersedes Mercury part number: 10-97934.
- Component type: special screw / transom plate fastener.
- Thread and length reference: 0.500-20 x 5.370 in.
- Used on compatible MerCruiser stern drive transom assemblies.
- Designed for marine stern drive mounting and service applications.
- OEM-style replacement for corroded, damaged, missing, or removed transom hardware.
Technical Specifications
- Part type: transom plate mounting screw
- Part number: 8M0215010
- Superseded number: 10-97934
- Thread size: 0.500-20
- Length reference: 5.370 in.
- Application: MerCruiser transom plate / stern drive assembly hardware
Drive & Transom Assembly Compatibility
Common application context includes compatible MerCruiser transom plate and stern drive assemblies where this screw is specified, including:
- MerCruiser Alpha One transom assemblies where listed.
- MerCruiser Bravo transom assemblies where listed.
- MerCruiser 3.0L LX / Alpha-style installations where the parts diagram calls for this screw.
- Compatible transom plate and shift cable assembly service locations where 8M0215010 or 10-97934 is shown.
Use this screw only where the drive model, transom assembly, engine serial number, and parts diagram confirm the correct fastener.
Serial Number Fitment Notice
Confirm fitment by MerCruiser engine serial number, drive model, transom assembly style, and parts diagram before ordering. MerCruiser transom assemblies can use different fastener lengths, thread sizes, and hardware positions depending on model year, drive family, and transom plate design.
Do not substitute general hardware for transom assembly mounting screws unless the replacement matches the required Mercury specification.
When This Part Needs Replacement
Replace this screw if it is corroded, stripped, bent, seized, missing, rounded, cross-threaded, or damaged during transom assembly service. Replacement is also recommended when removing heavily corroded stern drive hardware, servicing the transom plate, or completing a drive overhaul where original fasteners no longer meet service condition.
Installation Notes
Inspect the mating threads, transom plate, and surrounding hardware before installation. Clean corrosion and debris from the fastener location before fitting the new screw. Install according to the Mercury / MerCruiser service manual using the specified torque, sealant, and thread treatment for the application.
Avoid over-tightening or forcing the screw into damaged threads. If the screw does not start cleanly by hand, inspect the threads before continuing.
Alternate / Superseded Part Numbers
- Mercury / MerCruiser / Quicksilver 8M0215010 — current replacement part number
- Mercury / MerCruiser 10-97934 — superseded / legacy part number
Parts Desk Insight
This is a specialized MerCruiser transom assembly fastener, not a generic bolt. The thread, length, and application location matter because transom plate hardware secures critical stern drive components. Always verify the drive serial number and parts diagram before replacing transom mounting hardware.
Shipping: Ships same or next day for fast Canada wide shipping. ⚓
Shipping information
In-stock and OEM parts: ship same or next business day.
Locally warehoused items: ship within 3–4 business days.
Special-order items: timeline confirmed after order.
Returns & warranty
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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.
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Product must be in its original packaging
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Important:
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