EVIL ENERGY Metric to Barb Fuel Pump Fitting Adapter – Aluminum Inlet/Outlet with Washer

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Thread Type	Male Metric Thread
Available Sizes	M10x1.0:5/16 / 3/8 / 1/2 inch M12x1.5:1/2 inch M14x1.5:1/2 / 5/8 inch M18x1.5:3/8 inch
Barb Sizes	5/16" (7.9mm), 3/8" (9.5mm), 1/2" (12.7mm), 5/8" (15.9mm)
Material	6061-T6 Billet Aluminum
Finish	Black Anodized
Seal Type	Aluminum O-Ring Spacer (Washer Included)
Installation	Hose clamp recommended for barb side
Applications	Fuel pump inlet/outlet, oil cooler, fuel pressure regulator, transmission, oil drain

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This metric-to-barb fitting adapter provides a clean, reliable solution for connecting fuel pumps and oil system components with metric ports to standard rubber fuel hoses. CNC-machined from 6061-T6 aluminum, it offers excellent strength, corrosion resistance, and precise thread engagement.

An aluminum O-ring spacer ensures leak-free sealing at the metric port, while the barb outlet delivers secure hose retention when used with clamps. Designed for fuel pumps, regulators, oil coolers, and transmission applications, this adapter simplifies custom plumbing while maintaining professional-grade reliability.