High Pressure Fuel Filter 15440-90J00 for Suzuki & Johnson 6-Cylinder 4-Stroke Outboards (DF200/DF225/DF250/DF300)

This high pressure fuel filter is engineered for Suzuki 6-cylinder 4-stroke outboards in the DF200, DF225, DF250, and DF300 series, as well as Johnson 4-stroke 6-cylinder 200HP and 225HP models. Designed to maintain optimal fuel delivery and protect your engine’s high-pressure fuel system from contaminants, this filter ensures consistent performance and longevity.

This aftermarket replacement directly cross-references OEM part numbers 15440-90J00, 15440-93J00, 5033704, and 5034985, providing a cost-effective solution without compromising on quality or fitment.

• Direct replacement for Suzuki and Johnson high-pressure fuel systems
• Designed for 6-cylinder 4-stroke engines from 200HP to 300HP
• Helps maintain fuel system integrity and engine efficiency

Part Number Cross-Reference

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

Compatible Engine Models

Confirm your engine model/year in the table below.

Technical Specifications

Package Contents

Your purchase includes:

• 1 × Fuel Filter

Installation Guide

1. Safety first: Disconnect the battery and relieve fuel system pressure before beginning work.
2. Locate the high-pressure fuel filter on your outboard, typically mounted near the vapor separator or fuel rail.
3. Place a clean rag or container beneath the filter to catch any residual fuel during removal.
4. Carefully disconnect the fuel lines from both ends of the old filter, noting their orientation.
5. Remove the mounting bracket or clamp securing the old filter in place.
6. Inspect the fuel lines and fittings for wear, cracks, or damage; replace if necessary.
7. Install the new high-pressure fuel filter, ensuring the flow direction arrow (if present) points toward the engine.
8. Reconnect the fuel lines to both ends of the new filter and tighten connections securely to prevent leaks.
9. Secure the filter with the mounting bracket or clamp.
10. Reconnect the battery and turn the ignition key to prime the fuel system (do not start the engine yet).
11. Inspect all connections for fuel leaks; if any are found, shut off the system and re-tighten fittings.
12. Start the engine and allow it to idle, checking once more for leaks and confirming smooth operation.

Troubleshooting & FAQ

Q: How do I confirm this filter fits my Suzuki or Johnson outboard?
A: Check the compatibility table above to match your engine model, horsepower, and year range. Verify your OEM part number (15440-90J00, 15440-93J00, 5033704, or 5034985) against your service manual or existing filter.

Q: How often should I replace the high-pressure fuel filter?
A: Suzuki and Johnson typically recommend inspecting or replacing the high-pressure fuel filter every 100–200 hours of operation or annually, whichever comes first. Always consult your engine’s service manual for specific intervals.

Q: What are the signs that my fuel filter needs replacement?
A: Common symptoms include rough idling, loss of power at high RPM, difficulty starting, or the engine stalling under load. If you notice decreased fuel efficiency or performance issues, inspect the filter for clogs or contamination.

Q: Can I use this filter if my engine uses ethanol-blended fuel?
A: Yes, this filter is designed to handle modern fuel formulations, including ethanol blends (E10). However, always use fresh fuel and consider a fuel stabilizer to minimize ethanol-related deposits.

Q: Is this an OEM part or an aftermarket replacement?
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.

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