Description:
PP-22-8M0001721 Fuel Line Hose Coupler – 3/8" to 5/16" Barbed Connector
This durable composite plastic fuel line coupler is designed to securely join two different sizes of fuel hose in marine and outboard applications. It features barbed ends on both sides for a reliable grip: one end accommodates 3/8" (0.375") ID fuel line, while the other fits 5/16" (0.3125") ID fuel line, ensuring a leak-resistant connection when secured with appropriate hose clamps.
Ideal for extending, repairing, or adapting fuel lines in Mercury, Mariner, or similar outboard and sterndrive systems where transitioning between common fuel hose sizes is needed.
Key Features
• Connection Sizes: 3/8" (9.53 mm) barbed end to 5/16" (7.94 mm) barbed end
• Material: High-strength composite plastic – Resistant to fuel, ethanol blends, and marine environments
• Design: Straight coupler with multi-ridge barbs for secure hose retention (recommend fuel-rated hose clamps for installation)
• Purpose: Couples .375" ID fuel line to .3125" ID fuel line for consistent, reliable fuel flow
This simple, effective fitting provides a straightforward solution for fuel line management, with easy installation and dependable performance in demanding boating conditions.
Replaces / Interchange Numbers
• Mercruiser: 22-8M0001721, 8M0001721