Oil Filter for Suzuki Mercury and Johnson Evinrude 150-350 HP 18-7905-1

Oil Filter – Fits Suzuki, Mercury, Johnson/Evinrude 150-350 HP

This aftermarket oil filter is engineered for reliable performance on a wide range of high-horsepower 4-stroke outboard engines from leading brands, including Suzuki, Mercury, and Johnson/Evinrude. It is designed to meet or exceed OEM specifications, ensuring proper fit and function for your marine engine's lubrication system.

It directly replaces Sierra part numbers 18-7905, 18-7905-1, and 18-7905-2, along with multiple OEM part numbers from Suzuki, Johnson/Evinrude, and Mercury.

• Installation Type: Features a simple spin-on design for quick and easy replacement during routine maintenance.
• Durable Construction: Built with a heavy-wall steel canister and an epoxy coating to resist corrosion in harsh marine environments.
• Enhanced Filtration: Includes an anti-drain back valve to prevent oil from draining out of the filter and engine when the engine is not running, ensuring immediate lubrication on startup.

Part Number Cross-Reference

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

Compatible Engine Models

For Suzuki owners, you can review exploded diagrams here to verify part numbers: Suzuki Parts Diagrams & Catalog.

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

For Johnson/Evinrude owners, here’s a guide to help you identify your engine’s serial/model: Johnson Serial Number Guide.

Suzuki

Mercury

Johnson/Evinrude

Technical Specifications

Package Contents

• 1 x Oil Filter (Sierra 18-7905-2)

Explosion Diagram

Installation Guide

1. Place a suitable drain pan below the existing oil filter to catch any spills.
2. Use a properly sized oil filter wrench to turn the old filter counter-clockwise and remove it from the engine.
3. Wipe the filter mounting base on the engine with a clean, lint-free cloth to ensure the surface is free of old gasket material and debris.
4. Lightly lubricate the rubber gasket on the new oil filter with a thin film of fresh engine oil.
5. Carefully thread the new filter onto the mounting base by hand, turning it clockwise until the gasket makes contact with the seating surface.
6. Tighten the filter an additional 3/4 to 1 full turn by hand. Do not use a wrench to tighten, as this can damage the filter or seal.
7. After refilling the engine with oil, run it for several minutes and carefully check for any leaks around the filter.

Troubleshooting & FAQ

How do I confirm this fits my engine?
This filter is designed for a wide range of Suzuki, Mercury, and Johnson/Evinrude 4-stroke outboards from 150-350 HP. The most reliable method for confirming fitment is to match your current filter's part number to the numbers in our "Part Number Cross-Reference" table. You can also use the provided brand-specific links to find part diagrams for your engine model.

How often should I replace my outboard oil filter?
For optimal engine health, the oil filter should be replaced every time you change your engine oil. Standard service intervals are typically every 100 hours of use or annually, whichever comes first. Always refer to your engine's owner's manual for the maintenance schedule recommended by the manufacturer.

What are the signs of a failing oil filter?
A clogged or faulty oil filter can restrict oil flow, potentially leading to low oil pressure warnings, a noticeable decrease in engine performance, or oil leaks originating from the filter's seal. If you notice any of these symptoms, inspect the oil filter immediately.

The thread size in my manual is different. Should I still use this filter?
No. This filter uses a 20mm x 1.5 thread. If your engine or service manual specifies a different thread size (like 3/4" x 16), this part is not compatible. Using a filter with the incorrect thread size can lead to severe oil leaks and catastrophic engine damage.

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, especially the thread size, 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.