CULMKARI 5/16" Fuel Connector for Tohatsu & Nissan Outboards 5-90HP — Plug-and-Play Corrosion-Resistant

CULMKARI's 5/16" fuel connector is a direct-fit replacement for select Tohatsu and Nissan 2- and 4-stroke outboard engines, supporting models from 5HP up to 90HP.

When your outboard's fuel line connection needs replacement, this CULMKARI connector provides a reliable, plug-and-play option engineered to match OEM mounting and flow requirements. It replaces common part numbers 3B2-70260-1 and 3B2-70250-1 and is built to resist corrosion and fuel degradation so you can get back on the water quickly with confidence.

Which engines and horsepower ratings will this connector fit?

This connector fits a wide range of Tohatsu and Nissan outboard engines across both 2-stroke and 4-stroke platforms. It covers small tiller motors through larger mid-range engines, making it a versatile spare part for many boats.

• Compatible HP: 5, 6, 8, 9.8, 9.9, 15, 18, 20, 30, 40, 50, 60, 70, 90
• Designed for both 2-stroke and 4-stroke models
• Replaces OEM numbers 3B2-70260-1 and 3B2-70250-1

How straightforward is installation for DIYers?

Installation is intended to be simple and fast: the connector is made to match OEM dimensions so it installs without special tools in most cases. A plug-and-play fit reduces alignment issues and lets you perform the swap during routine maintenance or while preparing for a season.

• Plug-and-play design for quick replacement
• Works with standard 5/16" fuel hose and clamps
• Can be installed during typical maintenance or field repairs

What materials and quality controls ensure longevity?

CULMKARI uses parts and inspection processes aimed at consistent performance and long service life. Components resist common marine stressors such as fuel exposure and salt-laden air, helping reduce the frequency of replacements.

• Manufactured with corrosion-resistant materials
• Subject to quality control checks for dimensional accuracy
• Engineered for stable fuel flow and secure sealing

Will this connector work with my existing fuel hose and fittings?

The connector is sized for a 5/16" fuel line, matching the common hose diameter used on compatible outboards. If your hose is the correct internal diameter and clamps are in good condition, this unit will integrate without modifying the fuel system.

• Standard 5/16" hose compatibility
• Use existing clamps or new stainless clamps for best sealing
• Check hose condition and replace if brittle or cracked before installation

Who is this for? Boaters, marine mechanics, and DIY enthusiasts who own Tohatsu or Nissan outboards from small portable motors up to 90HP will find this CULMKARI fuel connector a practical replacement option. It's especially useful for those who prefer parts that match OEM specifications, want a straightforward installation, and expect consistent fuel delivery without fuss. If you maintain one or several compatible engines, keeping this connector on hand can reduce downtime and help you finish repairs quickly.