Nylon Hose Nipple – Fits Yamaha Parsun 9.9HP 15HP 20HP 25HP 30HP 40HP 50HP 60HP 70HP 75HP 80HP 85HP 90HP 100HP 115HP (Replaces 6H3-44391, 6BL-44391-00)

Product Details

This Nylon Hose Nipple is a direct-fit replacement for Yamaha and Parsun outboard engines spanning 9.9HP to 115HP across 2-stroke and 4-stroke models. Designed for reliable hose connections in fuel and water systems, this nipple ensures leak-free operation across a broad range of engine families including F-series, E-series, and legacy alphabetic models.

This part directly replaces OEM reference numbers 6H3-44391, 6H3-44391-00, 6H3-44391-01, 6BL-44391, 6BL-44391-00, and Parsun F15-05000009.

• Nylon construction for corrosion resistance and durability in marine environments
• Drop-in fitment for Yamaha 2-stroke and 4-stroke outboards from 9.9HP to 115HP
• Compatible with Parsun F15 and multiple engine series

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

Material

Nylon

Part Type

Hose Nipple

OEM Reference

6H3-44391, 6BL-44391-00

Application

Outboard fuel and water hose connections

What's in the Box

• 1× Nylon Hose Nipple (all parts shown in product image)

Installation Notes

1. Disconnect the negative battery cable and shut off fuel supply before beginning work.
2. Remove the old hose nipple by loosening the hose clamp and gently pulling the hose free.
3. Inspect the hose end for cracks, wear, or hardening; replace the hose if damaged.
4. Clean the connection point to remove debris, old sealant, or corrosion.
5. Slide a new stainless hose clamp onto the hose before installing the nipple.
6. Push the new nylon nipple fully into the hose until it seats firmly.
7. Position the hose clamp over the nipple barb and tighten securely without over-torquing.
8. Reconnect fuel supply, restore battery connection, and inspect for leaks under operating pressure.

Troubleshooting & FAQ

Will this fit my Yamaha F70 4-stroke?

Yes. This nipple is confirmed compatible with Yamaha F70A models. Always cross-check your engine's serial plate and original part number to ensure correct fitment.

Can I use this on a Parsun outboard?

Yes. This part replaces Parsun F15-05000009 and is compatible with Parsun F15 engines.

What is the nipple made of?

The nipple is manufactured from marine-grade nylon for corrosion resistance, chemical stability, and long service life in saltwater and freshwater environments.

How do I know if my nipple needs replacement?

Signs include visible cracks, brittleness, fuel or coolant leaks at hose connections, or difficulty achieving a secure seal with new clamps.

Should I replace hoses at the same time?

Inspect your hoses carefully. If they show hardening, swelling, cracking, or age-related wear, replace them during nipple installation to prevent future leaks.

What size hose clamp should I use?

Use a stainless marine-grade clamp sized to the outer diameter of your hose. Consult your engine's service manual for the recommended clamp size.

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.