Description
Mercury 30635T3 Fuel Line Coupler for Mercury and Mariner TwoStroke Outboards
The Mercury 30635T3 fuel line coupler connects a portable fuel tank hose to compatible vintage Mercury and Mariner TwoStroke outboards. It features a cast-aluminum body and a twist-lock connection, with a threaded fuel-line end fitting that screws into the connector.
Key Features
- Genuine Mercury fuel line coupler, part number 30635T3
- Cast-aluminum construction
- Twist-lock connector style for compatible vintage outboards
- Threaded fuel-line end fitting screws into the connector
- For select Mercury and Mariner TwoStroke outboards from 1971 and older
Fitment / Product Details
- Brand: Mercury
- Manufacturer Part Number: 30635T3
- Product Type: Fuel line coupler
- Application: Portable fuel tank hose connection to the engine
- Engine Type: Mercury and Mariner TwoStroke outboards
- Year Range: 1971 and older, where this part is specified
- Excluded Applications: Mercury 3.9-9.8HP outboards
- Material: Cast aluminum
- Connection Style: Twist lock with threaded fuel-line end fitting
- Fitment Note: Confirm part number 30635T3 against the engine serial number, parts diagram, and existing connector before ordering.
What’s Included
One Mercury 30635T3 fuel line coupler. This listing is for the coupler, not a complete fuel hose and primer bulb assembly.
Service Notes
Mercury recommends replacing older fuel lines and primer bulbs when replacing the connector. Check the condition of the existing hose, bulb, and mating connection as part of the installation.
Why You Should Buy
- Provides the specified Mercury connection for compatible vintage fuel systems
- Twist-lock design allows attachment to the matching engine connection
- Useful when replacing a worn, damaged, or missing coupler
Common Applications
Fuel hose connection service on compatible Mercury and Mariner TwoStroke outboards from 1971 and older. Not for Mercury 3.9-9.8HP outboards.
FAQ
What engines does this fit?
Mercury lists Mercury and Mariner TwoStroke outboards from 1971 and older, except Mercury 3.9-9.8HP models. Confirm the exact part number for your engine.
Does this fit Mercury 3.9-9.8HP outboards?
No. Those Mercury outboards are specifically excluded from the listed application.
How does the fuel line connect?
The threaded fuel-line end fitting screws into the coupler. The engine connection uses a twist-lock style.
What is it made from?
The coupler is cast aluminum.
Is a fuel hose or primer bulb included?
This listing is for one coupler. Mercury recommends replacing older fuel lines and primer bulbs when replacing the connector.