Fuel Filter – Fits Mercury, Yamaha, Honda 25–350HP (Replaces 35-908765, 18-7857)
Fuel Filter – Fits Mercury, Yamaha, Honda 25–350HP (Replaces 35-908765, 18-7857) is backordered and will ship as soon as it is back in stock.
Couldn't load pickup availability
Worry-free returns
Worry-free returns
You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Fuel Filter – Fits Mercury, Yamaha, Honda 25–350HP (Replaces 35-908...
Product Details
This high-performance Fuel Filter – Fits Mercury, Yamaha, Honda 25–350HP is engineered for a wide range of outboard motors, including Mercury/Mariner (25–350HP, 1989–2022), Yamaha (25–300HP, 1997–2020), and Honda (25–250HP, 1995–2021). It provides essential 10-micron filtration to protect your engine's sensitive fuel system components from contaminants.
This unit serves as a direct replacement for Mercury 35-908765 / 35-8M0093440, Yamaha 6D8-WS24A-00-00, Sierra 18-7857, and Honda 17670-ZW1-806, ensuring broad cross-brand compatibility.
- Installs easily in-line with a standard 3/8" hose connection.
- Features a 10-micron filtration rating to capture harmful particles.
- Constructed with a durable plastic and metal housing for marine environments.
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket.
| Brand | Part Number | Superseded By |
|---|---|---|
| Mercury | 35-908765 | 35-8M0093440 |
| Yamaha | 6D8-WS24A-00-00 | |
| Honda | 17670-ZW1-806 | |
| Sierra | 18-7857 |
Engine & Model Compatibility
Confirm your engine model/year in the table below.
Mercury/Mariner: Fits 2- and 4-stroke outboards from 25 to 350 HP, including EFI and Verado models manufactured between 1989 and 2022.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Mercury | 25-60HP EFI | 25-60 | 4-Stroke | 2000–2022 | 35-908765 | Superseded by 35-8M0093440 |
| Mercury | 75-115HP EFI | 75-115 | 4-Stroke | 1997–2022 | 35-908765 | Superseded by 35-8M0093440 |
| Mercury | 135-150HP EFI | 135-150 | 4-Stroke | 1998–2022 | 35-908765 | Superseded by 35-8M0093440 |
| Mercury | 175-300HP EFI | 175-300 | 4-Stroke | 1995–2022 | 35-908765 | Superseded by 35-8M0093440 |
| Mercury | 175-350HP Verado | 175-350 | 4-Stroke | 2004–2022 | 35-908765 | Superseded by 35-8M0093440 |
| Mercury | 25-60HP Outboards | 25-60 | 2-Stroke | 1989–2007 | 35-908765 | Superseded by 35-8M0093440 |
| Mercury | 75-125HP Outboards | 75-125 | 2-Stroke | 1989–2007 | 35-908765 | Superseded by 35-8M0093440 |
| Mercury | 135-200HP Outboards | 135-200 | 2-Stroke | 1989–2007 | 35-908765 | Superseded by 35-8M0093440 |
| Mercury | 225-250HP Outboards | 225-250 | 2-Stroke | 1989–2007 | 35-908765 | Superseded by 35-8M0093440 |
Yamaha: Compatible with 4-stroke models from F25 to F300, covering years 1997 through 2020.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | F25-F90 | 25-90 | 4-Stroke | 1997–2020 | 6D8-WS24A-00-00 | |
| Yamaha | F115-F250 | 115-250 | 4-Stroke | 1999–2020 | 6D8-WS24A-00-00 | |
| Yamaha | F300 | 300 | 4-Stroke | 2006–2020 | 6D8-WS24A-00-00 |
Honda: Fits 4-stroke outboards from BF25 to BF250 for model years 1995 to 2021.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Honda | BF25-BF30 | 25-30 | 4-Stroke | 1995–2021 | 17670-ZW1-806 | |
| Honda | BF40-BF50 | 40-50 | 4-Stroke | 1999–2021 | 17670-ZW1-806 | |
| Honda | BF60-BF90 | 60-90 | 4-Stroke | 1998–2021 | 17670-ZW1-806 | |
| Honda | BF115-BF130 | 115-130 | 4-Stroke | 1998–2021 | 17670-ZW1-806 | |
| Honda | BF135-BF150 | 135-150 | 4-Stroke | 1998–2021 | 17670-ZW1-806 | |
| Honda | BF175-BF250 | 175-250 | 4-Stroke | 2002–2021 | 17670-ZW1-806 |
Technical Specs
- Product Type
- Fuel Filter
- Installation
- In-Line
- Filtration Rating
- 10 microns
- Fuel Type
- Gasoline
- Connection
- 3/8" Hose Barb
- Housing Material
- Plastic with Metal Interior
- Housing Color
- Black/Clear
- Dimensions
- 96mm length × 64mm diameter (3.8" × 2.5")
- Weight
- 0.13 kg (0.29 lb)
- Working Pressure
- 45 PSI
- Burst Pressure
- 100 PSI
- Operating Temperature
- -29°C to 80°C (-20°F to 176°F)
- Warranty
- 1 Year
What’s in the Box
- 1 x Fuel Filter (Replaces 35-908765/35-8M0093440)
Installation Notes
- Ensure the engine is off and cool. For safety, disconnect the battery.
- Work in a well-ventilated area and have a fire extinguisher nearby.
- Relieve fuel system pressure according to your engine's service manual.
- Place a rag or container under the old filter to catch any spilled fuel.
- Use pliers to loosen the hose clamps on both sides of the filter.
- Gently twist and pull the fuel lines off the old filter. Note the direction of the flow arrow.
- Install the new filter, ensuring the flow arrow points toward the engine.
- Secure the fuel lines onto the new filter with the clamps.
- Prime the fuel system (if necessary), start the engine, and carefully check for any leaks around the connections.
Troubleshooting & FAQ
How do I know if this filter fits my specific engine?
The best way to confirm fitment is to check your OEM part number against those listed in our Part Number Matrix. You can also review the detailed Engine & Model Compatibility tables to find your engine's model, HP, and year range.
What are the signs of a clogged or failing fuel filter?
Common symptoms include the engine bogging down under load, hesitation, rough idling, difficulty starting, or stalling. These issues occur because the clogged filter is restricting fuel flow to the engine.
How often should I replace my outboard's fuel filter?
As a general rule, you should replace your fuel filter annually or every 100 hours of operation, whichever comes first. Always consult your engine's service manual for the manufacturer's recommended service interval.
Is there a correct way to install this filter?
Yes. This is an in-line filter that must be installed in the correct orientation. Look for a flow arrow printed on the filter housing; this arrow must point in the direction of fuel flow (from the fuel tank towards the engine).
Will this filter work with diesel or ethanol-blended fuels?
This filter is designed for use with gasoline only. While it is compatible with common ethanol blends (like E10), it is not intended for use in diesel fuel systems.
Can a clogged filter cause permanent engine damage?
A severely clogged filter can starve the engine of fuel, causing the fuel pump to work harder and potentially fail. It can also lead to a lean fuel/air mixture, which may cause overheating and damage to internal engine components over time.
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 vs 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.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
