Oil Filter for Yamaha Honda and Tohatsu Nissan 9.9-115 HP 18-7911-1

Oil Filter – Fits Yamaha (9.9-115 HP), Honda (25-50 HP), Tohatsu/Nissan (9.9-30 HP)

This high-quality aftermarket oil filter is designed for a wide range of 4-stroke outboards, providing reliable engine protection. It is engineered to meet or exceed OEM specifications for filtration and performance, ensuring your engine remains free of harmful contaminants.

It directly replaces numerous original equipment and aftermarket part numbers, making it a versatile and economical choice for routine maintenance. Key brands this filter is compatible with include Yamaha, Honda, Tohatsu, Nissan, Sierra, and Mercury.

• Installation Method: Easy-to-install spin-on canister design.
• Durable Construction: Features a heavy-wall steel canister with an epoxy coating to resist corrosion.
• Advanced Filtration: Equipped with high-efficiency filter media and an anti-drain back valve to prevent dry starts.

Part Number Cross-Reference

Use this table to confirm equivalent part numbers across OEM and aftermarket brands.

Compatible Engine Models

For Yamaha owners, here’s a guide to help you identify your engine’s serial/model: Yamaha Serial Number Guide. You can also review exploded diagrams to verify part numbers: Yamaha Parts Diagrams & Catalog.

Confirm your engine model/year in the tables below.

Yamaha Outboards

Honda Outboards

Tohatsu/Nissan Outboards

Technical Specifications

Package Contents

• 1 x Oil Filter (brand varies)

Installation Guide

1. Ensure the engine is cool before starting.
2. Place a suitable drain pan underneath the old oil filter to catch any spills.
3. Using an oil filter wrench, turn the old filter counter-clockwise to loosen and remove it.
4. Wipe the engine's filter mounting surface clean with a lint-free cloth.
5. Lightly lubricate the gasket of the new filter with a thin film of clean engine oil.
6. Carefully screw the new filter onto the mounting point by hand until the gasket makes contact.
7. Tighten the filter an additional 3/4 to one full turn by hand. Do not overtighten.
8. Check the engine oil level and add more if necessary, per the manufacturer's recommendation.
9. Start the engine and let it run for a few minutes, carefully checking for any leaks around the new filter.
10. Properly dispose of the old oil filter and any used oil according to local regulations.

Troubleshooting & FAQ

How do I confirm this filter fits my engine?

Check the "Compatible Engine Models" and "Part Number Cross-Reference" tables on this page. This filter is designed for specific Yamaha (9.9-115 HP), Honda (25-50 HP), and Tohatsu/Nissan (9.9-30 HP) 4-stroke outboard models. Verifying your engine model and original part number is the best way to ensure a match.

What is the difference between this filter and the OEM version?

This is an aftermarket filter designed to meet or exceed OEM specifications for fit, function, and filtration. It is built with high-quality materials, including a heavy-wall steel canister and an anti-drain back valve, just like the original, but at a more competitive price.

How often should I replace my oil filter?

We recommend following your engine manufacturer's service schedule. Typically, the oil filter should be replaced with every oil change, which is usually every 100 hours of operation or at least once per season, whichever comes first.

OEM vs. Aftermarket?

This listing is an aftermarket replacement part (not an OEM component). We build to OEM specifications using comparable-grade materials. Production is done in an ISO9002-certified facility, and each batch is inspected for consistent performance.

How fast do you ship and how much does it cost?

We offer fast global shipping—typically 5–15 days worldwide—and standard shipping is free. Expedited options are available at checkout depending on your location.

What is your warranty and return policy?

This product includes a 1-year warranty against manufacturing defects under normal use. If something goes wrong, contact our support team with your order details. Returns are accepted within our standard return window (unused & in original condition); please see our policy page or reach out for instructions.

Important Notes

• Verify that the product images and specifications match your original part. If discrepancies exist—even if your model is listed—do not proceed with the purchase.
• This product is an aftermarket replacement part and is not an OEM component.
• Professional installation is recommended to ensure safety and optimal performance.

Why Choose JLM MARINE?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.