68V-13915 VST Fuel Filter for Mercury Yamaha 115HP 200HP 225HP | JLM Marine

VST Fuel Filter for Mercury Yamaha 115HP 200HP 225HP

This VST (Vapor Separation Tank) fuel filter is designed to fit Mercury 4-stroke outboards (115–225 HP) and Yamaha 4-stroke outboards (115–225 HP), including standard and jet models manufactured between 2000 and 2011. It ensures clean fuel delivery to your engine's vapor separation system, protecting injectors and maintaining optimal performance.

This aftermarket replacement directly crosses to OEM# 68V-13915-00-00 (Yamaha), 18-79903, and 35-881323T (Mercury), providing a cost-effective solution for routine maintenance or filter replacement.

• Fits both Mercury and Yamaha 4-stroke outboards from 115 to 225 HP
• Direct replacement for VST fuel filtration systems
• Includes one complete fuel filter assembly

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. 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 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.

Technical Specifications

Package Contents

This package includes:

• 1 × Fuel Filter

(The package contains all the parts shown in the picture.)

Installation Guide

1. Disconnect the battery and relieve fuel system pressure before beginning work. Ensure adequate ventilation to avoid fuel vapors.
2. Locate the VST assembly on your outboard engine, typically mounted near the fuel rail or throttle body.
3. Remove the VST cover or access panel using the appropriate tools (usually Phillips or hex screws).
4. Carefully extract the old fuel filter from the VST housing. Note the orientation of seals and O-rings.
5. Inspect the VST chamber for debris or contamination; clean if necessary with a lint-free cloth.
6. Install the new fuel filter, ensuring all seals and O-rings are properly seated. Match the orientation to the original filter.
7. Reinstall the VST cover and torque fasteners to manufacturer specifications (typically 5–7 ft-lbs; consult your service manual).
8. Reconnect the battery and turn the ignition key to the "ON" position (without starting) to prime the fuel system. Check for leaks around the VST assembly.
9. Start the engine and allow it to idle for several minutes, monitoring for smooth operation and no fuel odor.

Troubleshooting & FAQ

Q: How do I confirm this fuel filter fits my engine?
A: Check the compatibility table above for your engine's brand, HP rating, and year range. Cross-reference the OEM part numbers (68V-13915-00-00, 18-79903, 35-881323T) with your service manual or parts diagram to ensure a match.

Q: How often should I replace the VST fuel filter?
A: Yamaha and Mercury recommend inspecting the VST filter every 100 hours of operation or annually, whichever comes first. Replace immediately if you notice fuel contamination, debris, or engine performance issues like rough idling or hesitation.

Q: What are the signs of a clogged or failing VST fuel filter?
A: Common symptoms include difficulty starting, rough idle, loss of power at high RPM, engine stalling, or surging. If your engine is starving for fuel or running lean, inspect the VST filter first.

Q: Can I use this filter on both standard and jet-drive Yamaha engines?
A: Yes, this filter is compatible with Yamaha 4-stroke standard and jet models from 115 to 225 HP within the listed year ranges (2000–2011).

Q: Is this an OEM or aftermarket part?
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?

• Quality Assured: As a trusted manufacturer for over 20 years, we supply top marine brands globally.
• Fast Global Shipping: Free delivery worldwide in 5–15 days.
• Direct from Manufacturer: Competitive pricing without compromising quality.