Yamaha YF1-58523-31-40 – Plug, Oil Filler

Yamaha YF1-58523-31-40 – Plug, Oil Filler

The Yamaha YF1-58523-31-40 – Plug, Oil Filler is an OEM-grade replacement part specifically engineered to seal your engine's oil reservoir and protect internal components from contamination. Crafted to Yamaha’s rigorous standards, this plug provides a reliable, leak-resistant seal—essential for proper engine lubrication and longevity.

Key Features

Authentic Yamaha OEM part for precision fit and long-term durability

Secure sealing design to prevent oil leaks and maintain internal pressure

Heat- and oil-resistant construction for demanding marine environments

Easy installation with exact-thread match and ergonomic grip

Ideal Use Cases

Whether you're replacing a worn plug or conducting routine engine maintenance, this oil filler plug ensures your engine stays protected and clean. It's a must-have for boat owners and technicians maintaining Yamaha marine engines that rely on precision-sealed lubrication systems.

Why a Quality Oil Filler Plug Matters

Even small components like oil filler plugs play a critical role in overall engine performance. A poorly sealed oil port can allow dirt or moisture inside the crankcase, leading to oil contamination and potential engine wear. The Yamaha YF1-58523-31-40 – Plug, Oil Filler is specifically designed to eliminate these risks and maintain a clean, sealed system.

Frequently Asked Questions

Does this oil filler plug include an O-ring or gasket?

It does not always come with an O-ring. Please inspect your current seal or consult your manual to determine if an O-ring is required for your specific model.

How do I know if this plug fits my engine?

Use your Yamaha engine’s model number to cross-reference the part or check your OEM service manual for exact specifications.

Can I reuse this plug after draining or changing the oil?

Yes, if the plug and its threads are undamaged. However, inspect for wear or stripped threads to ensure a proper seal during reinstallation.