Air Filter Element for Yanmar 3HM/F and 3HM35 Marine Inboard Engines – Replaces 124770-12540
Air Filter Element for Yanmar 3HM/F and 3HM35 Marine Inboard Engines – Replaces 124770-12540 is backordered and will ship as soon as it is back in stock.
Worry-free returns
Worry-free returns
Shop with confidence. If you’re not completely satisfied, eligible items may be returned within the return window, provided they are unused and in original packaging.
If the return is due to our error or a defective item, we’ll make it right.
Please contact us before returning any item.
Delivery and Shipping
Delivery and Shipping
Orders are typically processed within 1–2 business days.
U.S. orders usually arrive within 6–15 days, depending on stock location and destination.
International delivery times may vary due to customs processing.
Tracking information will be provided once your order ships.
Air Filter Element for Yanmar 3HM/F and 3HM35 Marine Inboard Engine...
Air Filter Element for Yanmar 3HM/F and 3HM35 Marine Inboard Engines – Replaces 124770-12540 is backordered and will ship as soon as it is back in stock.
Product Details
This air filter element is a replacement intake-air filter for specified Yanmar marine inboard engines. It helps reduce the entry of dust, dirt, and airborne debris into the engine intake system when correctly installed in the original air-filter housing.
This replacement corresponds to Yanmar OEM part number 124770-12540. This listing specifically identifies Yanmar 3HM/F and 3HM35 applications.
- Replacement air filter element for the existing air-filter housing.
- Single air filter element; this is not a kit.
- Verify the engine model and the original filter before ordering.
Part Number Matrix
Use the following manufacturer reference to compare this replacement with the part currently installed on your engine.
| Brand | Part Number |
|---|---|
| Yanmar | 124770-12540 |
Engine & Model Compatibility
This listing covers the following Yanmar marine inboard engine applications. Model, suffix, and housing configuration should be checked against the engine before purchase.
| Brand | Model | Application Notes |
|---|---|---|
| Yanmar | 3HM/F | Listed fitment |
| Yanmar | 3HM35 | Listed fitment |
Technical Specs
- Product Type
- Air filter element
- Brand Application
- Yanmar Marine Inboard
- Replacement Reference
- Yanmar OEM part number 124770-12540
- Installation
- Replacement installation in the original air-filter housing
- Package Type
- Single replacement element
What’s in the Box
- 1 x Air filter element
Installation Notes
- Stop the engine and allow all components to cool before servicing the air-intake system.
- Locate the air-filter housing and clean the area around it to help prevent debris from entering the intake.
- Open the housing using the clips, wing nuts, screws, or fasteners used by the engine configuration.
- Remove the existing filter element and note its orientation and sealing surfaces.
- Inspect the housing and sealing surfaces. Remove loose dust and debris with a clean, dry cloth.
- Install the replacement element in the same orientation, ensuring it is fully seated and the housing closes securely.
- Recheck the housing and intake connections before starting the engine.
Troubleshooting & FAQ
How do I know if this air filter fits my engine?
This listing is for the Yanmar 3HM/F and 3HM35 applications identified. Confirm the complete engine model and compare the original filter and housing before ordering. Do not rely on a general engine-family match alone.
What are the signs of a clogged air filter?
A dirty or restricted air filter can contribute to reduced engine performance, increased exhaust smoke, higher fuel consumption, or difficult starting. Inspect the element when these symptoms occur and follow the engine manufacturer's service guidance.
How often should the filter be replaced?
Service intervals depend on operating conditions and the engine manufacturer's maintenance schedule. Inspect the element more frequently when the engine operates in dusty, dirty, or high-contamination environments, and replace it when it is damaged or excessively restricted.
Can I clean and reuse this air filter?
Unless the engine manufacturer specifically identifies the element as washable, do not wash it or use high-pressure compressed air. Replace a disposable filter element when serviceable filtration or airflow can no longer be maintained.
Is this an OEM Yanmar filter?
This listing is for a replacement air filter element that corresponds to Yanmar OEM part number 124770-12540. It is not represented as a genuine Yanmar-branded component.
Is any special tool required for installation?
No special tool can be confirmed for every engine configuration. Access may involve housing clips, wing nuts, screws, or basic hand tools. Use the procedure specified for your engine and avoid damaging the housing or intake seals.
What should I verify before ordering?
Verify the complete engine model, the existing filter's shape and sealing arrangement, and the reference number 124770-12540. If any of these details differ, confirm compatibility before purchase.
Shipping speed and cost
Shipping options, delivery estimates, and cost are shown at checkout and may vary by destination and service selected.
Returns and product support
For return eligibility, deadlines and instructions, see SeaSierra’s Refund Policy. Contact SeaSierra before ordering if you need product-specific warranty information.
Safety & Important Info
- Confirm the complete engine model and compare the original component before ordering.
- Do not operate the engine with an improperly seated or damaged air-filter element.
- Keep dirt and loose debris away from the intake while the housing is open.
- This is a replacement component and is not represented as a genuine Yanmar-branded part.
About Sea Sierra
- Marine Parts Support — We provide replacement components for marine service and maintenance applications.
- Global Fulfillment — Available shipping services and delivery estimates are presented at checkout.
- Fitment-Focused Service — Verify the engine model and original part details before ordering.
Payment & Security
Payment methods
Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.
