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FLASHSALE26

Fuel Filter for Suzuki Outboard Engines – Replaces 15440-90J00, Sierra 18-79991

Regular price $25.80

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Orders are typically processed within 1–2 business days.


U.S. orders usually arrive within 6–15 days, depending on stock location and destination.


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If you have any questions, feel free to email us at info@seasierra.com, and we’ll get back to you within 20–36 hours.

Product Details

This fuel filter for Suzuki outboard engines is a single aftermarket replacement filter identified for use with Suzuki fuel systems. It replaces Suzuki OEM part number 15440-90J00 and is cross-referenced to Sierra part number 18-79991.

Catalog records list this fuel filter in the fuel-injector assemblies of selected Suzuki DF90, DF100, DF115, and DF140 four-stroke outboard models. Compatibility depends on the exact model designation, model year, and serial-number range, so verify all engine details before ordering.

  • Single replacement fuel filter.
  • Designed for engine fuel-system service on applicable Suzuki outboards.
  • Aftermarket replacement for the listed OEM and aftermarket reference numbers.
  • Use the compatibility table and your engine service information to confirm fitment.

Part Number Matrix

These are the reference numbers documented for this product. Reference numbers do not by themselves confirm fitment for every engine.

Brand Part Number Reference Type
Suzuki 15440-90J00 OEM reference
Sierra 18-79991 Aftermarket reference

Engine & Model Compatibility

The following applications are listed in engine catalog records for Suzuki four-stroke outboards using fuel filter reference 15440-90J00. Keep the model, year, and serial-number conditions together when checking compatibility.

Brand Model Rated HP Stroke Year Serial-Number Condition Catalog Diagram
Suzuki DF 90TLK1, DF 90TXK1 90 4-Stroke 2001 09001F-151001 to 09001F-15XXXX Fuel Injector
Suzuki DF 100TLK9, DF 100TXK9 100 4-Stroke 2009 10001F-980001 to 10001F-98XXXX Fuel Injector
Suzuki DF 115TLK1, DF 115TXK1 115 4-Stroke 2001 11501F-151001 to 11501F-15XXXX Fuel Injector
Suzuki DF 115TL, DF 115TX, DF 115TXZ 115 4-Stroke 2012 11502F-210001 to 11502F-21XXXX; 11502Z-210001 to 11502Z-21XXXX Fuel Injector
Suzuki DF 140TLK2, DF 140TXK2, DF 140TXZK2 140 4-Stroke 2002 14001F-251001 to 14001F-25XXXX; 14001Z-251001 to 14001Z-25XXXX Fuel Injector
Suzuki DF 140TL, DF 140TX, DF 140TXZ 140 4-Stroke 2012 14002F-210001 to 14002F-21XXXX; 14002Z-210001 to 14002Z-21XXXX Fuel Injector

Technical Specs

Product Type
Fuel filter
Application
Selected Suzuki outboard fuel systems
Stroke
4-Stroke applications listed above
Installation Location
Fuel-system assembly; confirm the exact location in the engine service information
OEM Reference
15440-90J00
Aftermarket Reference
Sierra 18-79991
Product Configuration
Single replacement filter

What’s in the Box

  • 1 x Fuel filter

Installation Notes

  1. Shut off the engine, allow it to cool, and disconnect the battery according to the service manual.
  2. Relieve fuel-system pressure and work in a well-ventilated area away from flames, sparks, and other ignition sources.
  3. Place a suitable container or absorbent material under the filter to collect fuel.
  4. Note the fuel-flow direction and hose orientation before removing the original filter.
  5. Disconnect the fuel lines and remove the old filter using the procedure specified for your engine.
  6. Install the replacement filter in the correct orientation and reconnect the fuel lines securely.
  7. Prime the fuel system as required by the service manual, then inspect all connections for leaks before starting the engine.
  8. If the filter, fittings, or fuel lines do not match the original parts, stop installation and verify the model and serial-number application.

Troubleshooting & FAQ

Which engines are listed for this fuel filter?

Catalog records list selected Suzuki DF90, DF100, DF115, and DF140 four-stroke outboards, including the model, year, and serial-number ranges shown above. Do not rely on horsepower alone; confirm the complete engine identification.

Which part numbers does this filter replace?

The company product record identifies Suzuki OEM reference 15440-90J00 and aftermarket reference Sierra 18-79991. Other numbers should not be treated as confirmed equivalents unless they match your engine documentation.

How often should I replace the fuel filter?

Replace the filter according to the maintenance schedule and inspection guidance in your engine service manual. Replace it sooner if it is contaminated, restricted, damaged, or associated with fuel-flow problems.

What are common signs of a restricted fuel filter?

Possible symptoms include hard starting, hesitation, loss of power, rough running, or stalling. These symptoms can have multiple causes, so inspect the complete fuel system and follow the appropriate diagnostic procedure.

Is this an OEM component?

No. This listing is for an aftermarket replacement fuel filter. Suzuki and Sierra numbers are provided as reference numbers for identification and compatibility checking.

Shipping speed and cost

We ship worldwide. Typical transit is 5–15 days; standard shipping is free, and expedited options appear at checkout where available.

Warranty and returns

Warranty and return coverage are subject to the applicable store policies. Contact support with your order details if you receive a damaged or defective product.

Safety & Important Info

  • Verify the complete engine model, year, and serial number before ordering.
  • Compare the replacement filter and connections with the original part before installation.
  • Fuel-system work presents fire and environmental hazards. Follow the engine service manual and applicable safety regulations.
  • This is an aftermarket replacement, not an OEM component.
  • Professional installation is recommended when fuel-system service procedures are unfamiliar.

About Sea Sierra

  • Pro-Grade Standards — We supply marine replacement parts selected for practical service and real-world operating conditions.
  • Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
  • Manufacturer-Direct Value — Fair pricing with clear part-number and application information.

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