Air Filter Element – Fits Yanmar 2QM, 3HM, 3QM Marine Engines (Replaces 124770-12540)

Air Filter Element – Fits Yanmar 2QM, 3HM, 3QM Marine Engines (Replaces 124770-12540)

This air filter element is engineered for a precise fit on a range of Yanmar marine diesel engines. It ensures your engine receives clean air for optimal combustion and performance, serving as a direct replacement for the original component.

Designed for compatibility with Yanmar models including the 2QM, 2QM15, 2QM20, 3QM, 3QM30, 3HM, 3HM35, 3HM35F, and 3HMF series.

• Direct Replacement: Replaces Yanmar OEM part number 124770-12540.
• Installation Method: Installs directly into the existing air filter housing without modification.
• Function: Filters intake air to protect internal engine components from dust and debris.

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 Air Filter Element (124770-12540)

Explosion Diagram

Installation Guide

1. Locate the air filter housing on your engine. The cover is typically secured with clips or wing nuts.
2. Open the housing cover and carefully remove the old air filter element.
3. Clean any dust or debris from the inside of the housing with a clean cloth.
4. Install the new filter element, making sure it is seated securely and correctly in the housing.
5. Replace the cover and fasten it. Do not overtighten.

Troubleshooting & FAQ

How do I confirm this filter fits my Yanmar engine?

This filter replaces OEM part 124770-12540. To ensure compatibility, please verify your engine model is listed in the "Compatible Engine Models" table above. It is designed for Yanmar models such as the 2QM, 3HM, and 3QM series.

What are the signs my air filter needs replacing?

Common indicators include a noticeable decrease in engine power, an increase in black smoke from the exhaust, or visible dirt, debris, or damage on the filter element during inspection.

How often should I replace the air filter on my marine engine?

Replacement frequency depends on your engine's operating environment and hours of use. We recommend regular visual inspection and replacement when the filter appears dirty or as specified in your Yanmar engine's service manual.

OEM vs. Aftermarket?

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.

How fast do you ship and how much does it cost?

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.

What is your warranty and return policy?

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.