Universal Sprayless Fuel Connector Female Fitting – 1/4" NPT (Replaces 8838HF6)

Product Details

The Universal Sprayless Fuel Connector Female Fitting – 1/4" NPT is a high-strength marine fuel connector engineered to eliminate fuel spray when connecting and disconnecting fuel hoses. Designed with a built-in check valve that automatically closes upon disconnecting, this female 1/4" NPT fitting is compatible with all OEM-brand engines and works reliably with both 5/16" and 3/8" fuel lines. Built to withstand the rigors of the marine environment and fully compatible with Ethanol-blended fuels, it meets all EPA and CARB requirements.

This aftermarket replacement directly replaces Attwood part number 8838HF6 and other universal sprayless connector systems.

• Compatible with 5/16" and 3/8" fuel lines for versatile installation
• High fuel flow design with less than 0.25kPa restriction at 50 liters/hour
• Automatic check valve closure prevents fuel spray during disconnection

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Technical Specs

Fitting Type

Female 1/4" NPT

Fuel Line Compatibility

5/16" and 3/8" fuel lines

Flow Restriction

Less than 0.25kPa at 50 liters/hour

Check Valve

Automatic closure on disconnect

Fuel Compatibility

Ethanol-blended fuels and standard marine fuels

Environmental Rating

Marine-grade, high-strength body

Compliance

Meets EPA and CARB requirements

Application

Marine fuel systems, replaces traditional tank fittings

What's in the Box

• 1 × Fuel Connector Female

Installation Notes

1. Ensure the fuel system is depressurized and all ignition sources are eliminated before beginning installation.
2. Remove the existing fuel connector or tank fitting from the fuel line.
3. Clean the fuel line end thoroughly and inspect for damage or wear.
4. Thread the female 1/4" NPT fitting into the appropriate mounting location, ensuring compatibility with 5/16" or 3/8" fuel line.
5. Hand-tighten first, then use a wrench to secure the fitting without over-torquing.
6. Connect the fuel line to the female fitting, ensuring a firm and leak-free connection.
7. Check all connections for proper sealing before pressurizing the fuel system.
8. Inspect for leaks after installation and during initial engine operation.

Troubleshooting & FAQ

Will this fitting work with my fuel line size?

This connector is compatible with both 5/16" and 3/8" fuel lines, covering the majority of marine fuel systems. Verify your fuel line diameter before installation.

How does the sprayless feature work?

The female fitting includes an integrated check valve that automatically closes when the fuel line is disconnected, preventing fuel from spraying out and reducing mess and safety hazards.

Is this fitting compatible with Ethanol fuels?

Yes, this connector is fully compatible with Ethanol-blended fuels (E10, E15, etc.) as well as standard marine gasoline. It meets EPA and CARB fuel system requirements.

Can I use this with any marine engine brand?

Yes, this is a universal fitting designed to work with all OEM-brand engines that use 1/4" NPT female fuel connections and 5/16" or 3/8" fuel lines.

What is the flow restriction of this fitting?

The fitting is engineered for high fuel flow with less than 0.25kPa restriction at 50 liters per hour, ensuring it will not restrict fuel delivery even under high-demand conditions.

How do I know if my old fitting needs replacement?

Common signs include visible fuel spray when disconnecting, cracked or corroded housing, difficulty connecting or disconnecting fuel lines, or persistent fuel odor around the connection point.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost

We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

Safety & Important Info

• Verify images/specifications against your original part. If anything differs—even if your model appears compatible—do not purchase.
• This is an aftermarket replacement, not an OEM component.
• Professional installation is recommended for safety and performance.

About Sea Sierra

• Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
• Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
• Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.