Fuel Filter Element – Fits Yanmar Marine Diesel Engines (Replaces 104500-55710)

Fuel Filter Element – Fits Yanmar Marine Diesel Engines

This Sierra 18-79960 fuel filter element is a high-quality replacement for Yanmar marine diesel engines. It is engineered to meet OEM specifications for filtration and performance, ensuring your engine is protected from contaminants. This filter fits a wide range of Yanmar diesel engines, including the GM, YM, HM, and QM series.

This part is a direct replacement for Yanmar part numbers 104500-55710 and 104550-57710, as well as Sierra part number 18-79960.

• Installation Type: In-line replacement element
• Fuel Compatibility: Diesel
• Primary Function: Filters contaminants from fuel before they reach the engine

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

• 1 x Fuel Filter Element (104500-55710)

Explosion Diagram

Installation Guide

1. Turn Off Fuel: Shut off the engine and close the fuel supply valve.
2. Prepare for Spills: Place a suitable container below the fuel filter to catch any diesel fuel that may leak out.
3. Remove Old Filter: Carefully unscrew the filter housing or bowl to access and remove the old filter element.
4. Clean and Inspect: Clean the inside of the filter housing. Check the condition of the O-ring or gasket and replace it if it appears worn or damaged.
5. Install New Filter: Insert the new fuel filter element into the housing.
6. Reassemble: Securely tighten the filter housing or bowl according to manufacturer specifications. Do not overtighten.
7. Check for Leaks: Open the fuel supply valve and prime the fuel system if necessary. Start the engine and carefully check for any leaks around the filter housing.

Troubleshooting & FAQ

Q: How do I confirm this filter fits my Yanmar engine?

A: This filter is designed for Yanmar GM, YM, HM, and QM series diesel engines. To ensure a correct fit, please compare your existing part number to our cross-reference list (104500-55710, 104550-57710) and check the compatible models table.

Q: What are the signs that my fuel filter needs replacing?

A: Common signs of a clogged or failing fuel filter include engine hesitation, loss of power, difficulty starting, or rough idling. A visual inspection of the element may also show a significant amount of debris or discoloration.

Q: How often should I replace my diesel fuel filter?

A: For most marine diesel engines, it is recommended to replace the fuel filter element annually or according to your engine's scheduled maintenance plan, whichever comes first. This helps ensure clean fuel flow and protects sensitive engine components.

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?

• 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.