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These 3/8" brass hose barb fitting adaptors directly replace your OEM brass fittings in the sides of your Mercury WH, WMV, and WMH carburetor fuel ports.


They increase the straight-through fuel flow lines from 5/16" to 3/8" for high-performance and racing applications.


The clamp-style hose barb fitting is perfect for this low-pressure application as it allows a range of fuel lines and hoses to be easily removed and reinstalled without damage for outboard tuners and racers who often remove/rebuild carbs.


Includes one (1) 3/8" Brass Hose Barb Fitting that fits directly to OEM Mercury NPT / MPT Float Bowl. 


Contact Mike Hill at

3/8" Carb Fuel Fitting, Brass

SKU: BF-77
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