S2K Commerce - Products Dropdown
Actions
S2K Commerce - Order Entry
Actions
Mercury Verado DFI Gearcase Mounting Fastener 8M0084475
| Quantity | Price |
| 1 | 19.50 |
Mercury Gearcase Hardware
Mercury Verado DFI Gearcase Mounting Fastener 8M0084475
Mercury OEM 8M0084475 is a mounting fastener used on select Mercury outboard lower unit, driveshaft housing, and propeller-related assemblies. This hardware secures critical components throughout the gearcase and midsection.
Mercury 8M0084475 supersedes previous part numbers 8M0033179, 8M0142580, and 84036240. These updated part numbers maintain the same fit while reflecting Mercury engineering improvements or production updates. Always verify compatibility using your engine serial number and OEM parts diagram.
Compatible Applications
| Brand | Engine / System | Application | Fitment Note |
|---|---|---|---|
| Mercury / Mariner | Select 2.5L DFI and Optimax models | Gearcase and driveshaft housing hardware | Verify by serial number and parts diagram |
| Mercury Racing | Sport XS and high-performance outboards | Lower unit mounting hardware | Used where OEM number 8M0084475 is specified |
| Mercury Verado | Select Verado gearcases | Propeller shaft and gearcase assemblies | Confirm by engine serial number |
Important Fitment Note
This fastener is used in multiple Mercury gearcase and driveshaft housing assemblies. Although the part numbers supersede one another, always verify compatibility using your engine serial number and OEM parts diagram before ordering.
OEM & Cross Reference Numbers
| Current Mercury OEM Number | 8M0084475 |
| Superseded Mercury Numbers | 8M0033179, 8M0142580, 84036240 |
| Description | Mounting fastener (M8 x 40 class hardware) |
What This Part Is Used For
This OEM mounting fastener secures critical components within the lower unit, driveshaft housing, and propeller-related assemblies. Proper fastener strength and fit are essential for maintaining alignment and structural integrity in high-load marine applications.
Replace damaged, corroded, stretched, or missing hardware during gearcase repairs or rebuilds. Using the correct OEM fastener helps ensure proper torque retention and reliable long-term service.
Key Features and Benefits
- Current Mercury OEM part number 8M0084475
- Replaces Mercury 8M0033179, 8M0142580, and 84036240
- Used in select lower unit, driveshaft housing, and propeller assemblies
- Common on select Optimax, Sport XS, Verado, and other Mercury applications
- Designed for demanding marine environments and proper OEM fit
- Ideal replacement during lower unit service and gearcase rebuilds
FAQ
What does Mercury part 8M0084475 fit?
It is used in select Mercury lower unit, driveshaft housing, and propeller-related assemblies, including some Optimax, Sport XS, and Verado applications.
What part numbers does it replace?
Mercury 8M0084475 supersedes 8M0033179, 8M0142580, and 84036240.
Is this an M8 x 40 fastener?
This hardware is commonly associated with M8 x 40 mounting applications. Always verify the exact fastener required using your OEM parts diagram.
Why should OEM fasteners be replaced?
Critical mounting hardware can stretch, corrode, or lose clamping force over time. Using the correct OEM replacement helps maintain proper torque and component alignment.
Dealer Discounts & Store Policies
Dealer / Marine Industry Discounts
Are you a marine dealer, technician, boat builder, or industry professional? We offer dealer pricing for qualified marine businesses.
Shipping Policy
- Free shipping on orders over $100 continental U.S.
- Orders ship via UPS, USPS, and FedEx.
- Orders received before 5:30 PM EST ship the same business day.
- Typical delivery time is 1-5 business days.
30-Day Return Policy
- Returns accepted within 30 days of delivery.
- Parts must be new, unused, and in original packaging.
- Installed parts are not returnable.
- Return authorization is required before sending items back.
Need help with a return or order question?
Contact Us
Phone: 941-721-3000
Searchable Terms
Mercury mounting fastener, Mercury gearcase screw, Mercury lower unit hardware, Mercury driveshaft housing fastener, Mercury propeller hardware, Verado mounting bolt, Sport XS hardware, Optimax lower unit fastener, Mercury OEM mounting hardware
Searchable Part Numbers
8M0084475, 8M0033179, 8M0142580, 84036240