120324-55760 Primary Fuel Filter for Yanmar 4JH4E 4JH3-TE 4JH3-DTE 4JH4-TE 4JH4-HTE 4JH4-HTE1 4JH4AE 4JH5E 3JH5 6LY 6LYA 6LY2 3JH2E 6LY3 3JH2-T 3JH40 3JH3E 3JH4E 4JH-E 4JH-TE 4JH-HTE 4JH-DTE 4JH2-E 4JH2-TE 4JH2-HTE 4JH2-DTE 4JH2-UTE | JLM Marine

Primary Fuel Filter for Yanmar 4JH4E 4JH3-TE 4JH3-DTE 4JH4-TE 4JH4-HTE 4JH4-HTE1 4JH4AE 4JH5E 3JH5 6LY 6LYA 6LY2 3JH2E 6LY3 3JH2-T 3JH40 3JH3E 3JH4E 4JH-E 4JH-TE 4JH-HTE 4JH-DTE 4JH2-E 4JH2-TE 4JH2-HTE 4JH2-DTE 4JH2-UTE

This primary fuel filter is engineered for a wide range of Yanmar marine diesel engines, including the 3JH, 4JH, and 6LY series. Whether you operate a sailboat or powerboat with Yanmar power, this replacement filter ensures clean fuel delivery and reliable engine performance.

Designed to replace OEM part number 120324-55760, this filter is compatible with filter assemblies featuring a black metal bowl. It serves as a direct aftermarket replacement, meeting OEM specifications for fit and function across multiple Yanmar engine families.

• Direct replacement for Yanmar part number 120324-55760
• Designed for filter assemblies with black metal bowl
• Fits Yanmar 3JH, 4JH, and 6LY series marine diesel engines

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 package includes:

• 1 × Fuel Filter

Installation Guide

1. Safety first: Ensure the engine is off and cool before beginning work. Have absorbent rags ready for any fuel spillage.
2. Locate the fuel filter assembly: Find the primary fuel filter housing with the black metal bowl on your Yanmar engine.
3. Close the fuel supply valve: Turn off the fuel valve leading to the filter to prevent fuel flow during replacement.
4. Remove the metal bowl: Unscrew the black metal bowl from the filter head carefully. Expect residual fuel to drain from the bowl.
5. Remove the old filter element: Take out the used filter element from the housing and dispose of it properly.
6. Clean the bowl and housing: Wipe the metal bowl and filter head sealing surfaces clean with a lint-free cloth. Inspect the O-ring or gasket for damage.
7. Install the new filter: Place the new filter element into the housing, ensuring it seats correctly.
8. Reattach the bowl: Screw the black metal bowl back onto the filter head hand-tight. Do not over-torque.
9. Open the fuel valve: Turn the fuel supply valve back on and allow the system to refill.
10. Bleed air from the system: Use the priming pump or bleeder screw (if equipped) to purge air from the fuel lines.
11. Check for leaks: Inspect all connections around the filter assembly for fuel leaks. Tighten if necessary.
12. Start the engine: Run the engine and monitor for smooth operation and confirm no fuel leaks are present.

Troubleshooting & FAQ

Q: How do I confirm this filter fits my Yanmar engine?
A: Verify that your engine model is listed in the Compatible Engine Models table above and that your fuel filter assembly uses a black metal bowl. Cross-check the OEM part number 120324-55760 against your engine's parts manual or existing filter for confirmation.

Q: How often should I replace the fuel filter?
A: Yanmar typically recommends replacing the primary fuel filter element every 200–400 operating hours or annually, whichever comes first. Consult your engine's service manual for the exact interval, and inspect more frequently if you operate in contaminated fuel environments.

Q: What are the signs that my fuel filter needs replacement?
A: Common symptoms include hard starting, loss of engine power, rough idling, or the engine stalling under load. If the filter element appears dark, clogged, or contains water/debris when inspected, replace it immediately.

Q: Can I use this filter if my assembly has a different color bowl?
A: This filter element is specifically designed for Yanmar assemblies with a black metal bowl. If your assembly has a different bowl color or material, verify compatibility with your parts manual before ordering.

Q: Do I need to replace any gaskets or O-rings when installing this filter?
A: Inspect the O-ring or gasket between the bowl and filter head during installation. If it shows signs of wear, cracking, or deformation, replace it with a new seal to prevent fuel leaks.

Q: What is the difference between OEM and aftermarket filters?
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.