Fuel Filter – Fits Yamaha 50-100HP, Mercury 75-100HP 4-Stroke (Replaces 6C5-13915-00, 35-881323001)
Fuel Filter – Fits Yamaha 50-100HP, Mercury 75-100HP 4-Stroke (Replaces 6C5-13915-00, 35-881323001) is backordered and will ship as soon as it is back in stock.
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Worry-free returns
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Delivery and Shipping
Delivery and Shipping
Free standard shipping on all orders under 1 KG
Fuel Filter – Fits Yamaha 50-100HP, Mercury 75-100HP 4-Stroke (Repl...
Product Details
This in-line Fuel Filter – Fits Yamaha 50-100HP, Mercury 75-100HP 4-Stroke is engineered for specific Yamaha outboards (2005–2013) and Mercury EFI 4-Stroke engines. It is designed to be installed inside the vapor separator tank (VST) to effectively screen contaminants and ensure a clean fuel supply for optimal engine performance.
This filter serves as a direct cross-reference for Yamaha part 6C5-13915-00-00, Mercury 35-881323001, and Sierra 18-79973.
- Installation: Press-fit, located inside the vapor separator assembly.
- Fuel Compatibility: Suitable for modern gasoline blends, including E10.
- Warranty: Covered by a Limited Lifetime Warranty (Sierra aftermarket).
Part Number Matrix
Use this matrix to confirm equivalent references across OEM and aftermarket brands.
| Brand | Part Number |
|---|---|
| Yamaha | 6C5-13915-00-00 / 6C5139150000 / 6C5-13915-00 |
| Mercury/Mercruiser | 35-881323001 |
| Sierra | 18-79973 |
| Aftermarket | AM6C5-13915-00 |
Engine & Model Compatibility
Confirm your engine model and year in the table below to ensure accurate fitment.
For Yamaha engines: This filter is confirmed for a range of 4-stroke models from 50 to 90 HP manufactured between 2005 and 2013.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. | Notes |
|---|---|---|---|---|---|---|
| Yamaha | F50 | 50 | 4-Stroke | 2005–2013 | 6C5-13915-00 | |
| Yamaha | F60 | 60 | 4-Stroke | 2005–2013 | 6C5-13915-00 | |
| Yamaha | F70 | 70 | 4-Stroke | 2010–2013 | 6C5-13915-00 | |
| Yamaha | F75 | 75 | 4-Stroke | 2005–2013 | 6C5-13915-00 | |
| Yamaha | F90 | 90 | 4-Stroke | 2005–2013 | 6C5-13915-00 | |
| Yamaha | T50 | 50 | 4- Stroke | 2005–2013 | 6C5-13915-00 | T = High Thrust version |
| Yamaha | T60 | 60 | 4-Stroke | 2005–2013 | 6C5-13915-00 | T = High Thrust version |
For Mercury engines: This part fits 75, 90, and 100 HP EFI 4-Stroke models. Please verify your engine's serial number range or original part number, as specific application years were not available.
| Brand | Model | Rated HP | Stroke | Years | OEM Part No. |
|---|---|---|---|---|---|
| Mercury | EFI | 75 | 4-Stroke | 35-881323001 | |
| Mercury | EFI | 90 | 4-Stroke | 35-881323001 | |
| Mercury | EFI | 100 | 4-Stroke | 35-881323001 |
Technical Specs
- Product Type
- Fuel Filter
- Installation
- In-line, inside vapor separator assembly
- Fuel Type
- Gasoline, E10 compatible
- Connection
- Internal to vapor separator assembly
- Housing Color
- White
- Fitting Type
- Press-fit
- Warranty
- Limited Lifetime (Sierra aftermarket)
- Other Technical Attributes
- Located in vapor separator tank
What’s in the Box
- 1 x Filter (6C5-13915-00/35-881323001)
Installation Notes
- Disconnect the negative battery cable and relieve fuel system pressure according to your engine's service manual.
- Locate and remove the vapor separator tank (VST) from the engine block. Note the hose connections.
- Carefully disassemble the VST cover to access the internal fuel pump and filter assembly.
- Remove the old fuel filter from its fitting. It is typically a press-fit connection.
- Install the new filter, ensuring it is seated firmly and correctly oriented.
- Reassemble the VST, using new gaskets or O-rings if required, and torque bolts to specification.
- Reinstall the VST on the engine, reconnect all fuel lines and electrical connectors, prime the fuel system, and check for leaks before starting.
Troubleshooting & FAQ
How do I confirm this filter fits my engine?
The best method is to match your existing part number to one listed in the Part Number Matrix. Alternatively, you can use our Engine & Model Compatibility table to find your engine model and year range.
What are the signs of a clogged fuel filter?
Common symptoms include engine hesitation, stumbling at high RPMs, loss of power, increased fuel consumption, or difficulty starting. These issues occur because the engine isn't receiving a consistent supply of clean fuel.
Where is this filter located on the engine?
This specific filter is an in-line component located inside the vapor separator tank (VST), which is part of the engine's fuel delivery system.
What is the recommended replacement interval?
For optimal performance and engine protection, it is recommended to replace the fuel filter every 100-200 service hours or at least once per season, whichever comes first. Refer to your engine's official service manual for the precise maintenance schedule.
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
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