Mercury Quicksilver 5/16" Quick-Connect Fuel Fitting — OEM 8M6002064
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Mercury Quicksilver 5/16" Quick-Connect Fuel Fitting — OEM 8M6002064
This genuine OEM quick-connect fuel fitting provides the 5/16" (8 mm) fuel-line interface used in selected Mercury outboard fuel-supply module assemblies. Engineered to Mercury Marine factory specification, it clicks into place securely and holds up to the vibration and pressure demands of marine fuel systems. If your existing fitting is cracked, leaking, or no longer locking correctly, this is the correct OEM replacement — not an approximation.
Part Information
- OEM Part Number: 8M6002064
- Mercury Reference: 22-8M6002064
- Brand: Mercury / Quicksilver
- Official Product Type: Quick-connect fuel fitting
- Fuel-Line Size: 5/16" / 8 mm
- GTIN / UPC: 745061934764
- System: Fuel supply / hose and module assembly
Compatible Applications
- Mercury 90 HP EFI FourStroke outboards
- Mercury 115 HP EFI SeaPro FourStroke outboards
- Other Mercury outboards using a 5/16" quick-connect fuel-supply module arrangement
- Confirm fitment via engine serial number and parts diagram position before ordering
Fitment Notice
Mercury also produces 8M6002065, a similar fitting in the 10 mm size used in some of the same fuel-system diagrams. Always verify the fuel-line size and parts-diagram position to distinguish between the two before ordering.
Related Parts
- Mercury Quicksilver 10 mm Quick-Connect Fuel Fitting — 8M6002065 (related larger-size fitting)
When to Replace
Replace this fitting if the connector is cracked, damaged, leaking, loose, or no longer locks securely to its mating fuel connection. Any fuel seepage around a quick-connect joint should be corrected before operating the engine.
Installation Notes
- Depressurize and isolate the fuel system before beginning service
- Confirm hose size and connector orientation prior to installation
- Inspect mating connection and sealing surfaces for wear or contamination
- Verify the quick connector locks fully into place after installation
- Prime the fuel system as required and inspect carefully for leakage before engine operation
Parts Desk Insights
This fitting is one of the most commonly confused parts in Mercury fuel-system service — the 5/16" (8 mm) and 10 mm quick-connect fittings look nearly identical, but are not interchangeable. When a customer reports a fuel smell or a loose fuel-line connection on a Mercury EFI FourStroke, this fitting is often the first place to look. Always cross-reference the engine serial number and parts diagram position to confirm the correct size. View the full Mercury Fuel System Parts collection for compatible hoses, filters, and VST 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.