Inline Fuel Filter – Fits Yamaha F4/F6/F8/F9.9/F15 4-Stroke Engines
This high-quality inline fuel filter is designed for Yamaha 4–15 HP, 4-Stroke outboard engines (1998–present). It is installed externally in the fuel line between the fuel tank and the engine, serving as a critical component to prevent debris, water, and other contaminants from entering and damaging the carburetor or fuel injector system.
This filter is a direct replacement for Yamaha part numbers 68T-24251-00-00, 68T-24251-01-00, 68T-24251-02-00, and 6EE-F4251-00-00. It also cross-references with Sierra parts 18-7710-1 and 18-7712.
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Transparent Housing: Allows for quick visual inspection of fuel quality and trapped debris.
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Simple Installation: Connects directly to the fuel line with barbed hose fittings.
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Essential Protection: Safeguards your engine's sensitive fuel system components from contamination.
Part Number Cross-Reference
Use this table to confirm equivalent part numbers across OEM and aftermarket brands.
| Brand |
Part Number |
| Yamaha |
68T-24251-00-00 |
| Yamaha |
68T-24251-01-00 |
| Yamaha |
68T-24251-02-00 |
| Yamaha |
6EE-F4251-00-00 |
| Sierra |
18-7710-1 |
| Sierra |
18-7712 |
Compatible Engine Models
Confirm your engine model/year in the table below. 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.
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 Suzuki owners, You can review exploded diagrams here to verify part numbers: Suzuki Parts Diagrams & Catalog.
Yamaha
| Brand |
Model |
Rated HP |
Stroke |
Years |
OEM Part No. |
Notes |
| Yamaha |
F4 |
4 |
4-Stroke |
2001–Present |
68T-24251-00-00/01-00 |
|
| Yamaha |
F5 |
5 |
4-Stroke |
2003–Present |
68T-24251-00-00/01-00 |
|
| Yamaha |
F6 |
6 |
4-Stroke |
2000–Present |
68T-24251-00-00/01-00 |
|
| Yamaha |
F8 |
8 |
4-Stroke |
2000–Present |
68T-24251-00-00/01-00 |
|
| Yamaha |
T8 |
8 |
4-Stroke |
2001–Present |
68T-24251-00-00/01-00 |
Thrust model |
| Yamaha |
F9.9 |
9.9 |
4-Stroke |
2000–Present |
68T-24251-00-00/01-00 |
|
| Yamaha |
T9.9 |
9.9 |
4-Stroke |
2000–Present |
68T-24251-00-00/01-00 |
Thrust model |
| Yamaha |
F15 |
15 |
4-Stroke |
2000–Present |
68T-24251-00-00/01-00 |
|
Mercury/Mariner
| Brand |
Model |
Rated HP |
Stroke |
| Mercury |
4-stroke |
4-9.8 |
2-Stroke |
| Mercury |
4-stroke |
4-25 |
4-Stroke |
Suzuki
| Brand |
Model |
Rated HP |
Stroke |
Years |
| Suzuki |
DF4/DF5/DF6 |
4-6 |
4-Stroke |
2002-2014 |
| Suzuki |
DF8A/DFAR/DF9.9A/DF9.9AR |
8-9.9 |
4-Stroke |
2010+ |
| Suzuki |
DF9.9/DF15T K3 |
9.9-15 |
4-Stroke |
1996-2003 |
| Suzuki |
DF9.9/DF15 (R) |
9.9-15 |
4-Stroke |
2004-2012 |
| Suzuki |
DF40/DF50X-K10 |
40-50 |
4-Stroke |
1999-2010 |
| Suzuki |
DF60/DF70W-K9 |
60-70 |
4-Stroke |
1998-2009 |
| Suzuki |
DF150T-Z/DF175T-Z |
150-175 |
4-Stroke |
2006-2011 |
Parsun
| Brand |
Model |
Rated HP |
Stroke |
| Parsun |
F5A/F6A |
5-6 |
4-Stroke |
Technical Specifications
| Specification |
Value |
| Product Type |
Inline Fuel Filter |
| Installation |
External, Between fuel tank and engine |
| Fuel Type |
Gasoline |
| Connection |
Inline (hose connection) |
| Housing Material |
Plastic with transparent body |
| Housing Color |
Clear/Transparent with white end caps |
| Dimensions |
Approximately 67 mm × 36 mm (2.6" × 1.4") |
| Weight |
Approximately 0.06 kg (0.13 lbs) |
| Fitting Type |
Barbed hose connection |
| Thread Size |
N/A (non-threaded connection) |
| Warranty |
1 year (aftermarket) |
| Other Technical Attributes |
Directional flow - must be installed in correct orientation per arrow on filter |
Package Contents
- 1 x Inline Fuel Filter (Replaces Yamaha 68T-24251-00-00, 68T-24251-01-00, 6EE-F4251-00-00)
Explosion Diagram
Installation Guide
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Safety First: Shut off the fuel supply from the tank and ensure the engine is cool.
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Access the Filter: Locate the existing fuel filter in the fuel line between the tank and the engine.
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Prepare for Spillage: Place a rag or catch pan beneath the filter to absorb any spilled gasoline.
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Remove Old Filter: Using pliers, loosen the clamps on the fuel hoses and carefully slide them off the old filter.
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Note Flow Direction: Crucial: Observe the flow arrow on the old filter. It must point from the fuel tank towards the engine.
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Install New Filter: Position the new filter so its flow arrow matches the direction of the old one.
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Secure Hoses: Slide the fuel hoses onto the new filter's barbed fittings and securely tighten the clamps.
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Check for Leaks: Turn the fuel supply back on. Inspect the connections for any signs of fuel leakage before starting the engine.
Troubleshooting & FAQ
Q: How can I be sure this filter fits my engine?
A: This filter is designed for a range of small 4-stroke outboards, primarily Yamaha 4-15 HP models made from 1998 to present. The best way to confirm a perfect match is to compare your existing part number to those on our cross-reference list (e.g., 68T-24251-00-00) or find your engine in the detailed compatibility tables above.
Q: How often should I replace my fuel filter?
A: For optimal engine health, we recommend inspecting the filter annually and replacing it as part of your regular maintenance schedule, or immediately if you see significant debris inside the clear housing. Always refer to your engine’s service manual for the manufacturer's recommended replacement interval.
Q: My outboard is sputtering or losing power. Could a clogged filter be the problem?
A: Yes, a clogged or dirty fuel filter is a very common cause of engine performance issues like sputtering, stalling at low speeds, or a loss of top-end power. The transparent body of this filter allows for easy visual inspection to see if it's full of contaminants.
Q: Why is there an arrow on the filter housing?
A: The arrow indicates the direction of fuel flow. The filter must be installed with the arrow pointing away from the fuel tank and towards the engine. Installing it backward will obstruct fuel flow and prevent the engine from running correctly.
Q: OEM vs. Aftermarket?
A: 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.
Q: How fast do you ship and how much does it cost?
A: 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.
Q: What is your warranty and return policy?
A: 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?
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Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
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Fast Global Shipping: Free delivery worldwide in 5–15 days.
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Direct from Manufacturer: Competitive pricing without compromising quality.