Air Filter – Fits Volvo Penta D4, D6, D9, D11 (Replaces 21702999, 3818541, 3583654, 117303)

$79.99

Worry-free returns

You may return most new, unopened items within 7 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.

Delivery and Shipping

Free standard shipping on all orders under 1 KG

If you have any questions, feel free to email us at info@sierramarines.com, and we’ll get back to you within 20–36 hours.

Product Details

This high-performance Air Filter – Fits Volvo Penta D4, D6, D9, D11 Marine Engines is engineered to protect your engine by providing superior filtration of airborne contaminants. It is designed for a precise fit in compatible Volvo Penta D4, D6, D9, and D11 series marine diesel engines, ensuring optimal airflow and engine performance.

It serves as a direct cross-reference for Volvo Penta part numbers 21702999, 3818541, 3583654, and 117303.

Designed for simple, direct replacement of the original filter.
Ensures clean air intake for diesel fuel systems.

Part Number Matrix

Use this matrix to confirm equivalent references across OEM and aftermarket.

Brand	Part Number
Volvo Penta	21702999
Volvo Penta	3818541
Volvo Penta	3583654
Volvo Penta	117303

Engine & Model Compatibility

Confirm your engine model/year in the table below.

Brand	Model	Stroke	OEM Part No.
Volvo Penta	D4	4-Stroke	21702999/3818541/3583654/117303
Volvo Penta	D4-180I-B	4-Stroke	21702999/3818541/3583654/117303
Volvo Penta	D6	4-Stroke	21702999/3818541/3583654/117303
Volvo Penta	D6-280A-A	4-Stroke	21702999/3818541/3583654/117303
Volvo Penta	D9	4-Stroke	21702999/3818541/3583654/117303
Volvo Penta	D9-425	4-Stroke	21702999/3818541/3583654/117303
Volvo Penta	D11	4-Stroke	21702999/3818541/3583654/117303
Volvo Penta	D11A-A	4-Stroke	21702999/3818541/3583654/117303

Technical Specs

Product Type: Engine Air Filter
Installation: Direct replacement
Fuel Type: Diesel
Dimensions: Approximately 280 × 320 × 60 mm (11 × 12.6 × 2.36 in)
Fitting Type: Universal fit
Warranty: Some aftermarket versions offer 1-year warranty

What’s in the Box

1 x Air Filter (21702999/3818541/3583654/117303)

Installation Notes

Ensure the engine is off and cool to the touch before starting.
Locate the engine's air filter housing, typically a large plastic or metal box.
Release the clips, clamps, or screws securing the housing cover.
Carefully lift the cover and remove the old air filter element. Note its orientation.
Wipe the inside of the housing clean with a cloth to remove any dust or debris.
Insert the new air filter, ensuring it is seated correctly and forms a tight seal.
Replace the housing cover and secure it with the clips, clamps, or screws.

Troubleshooting & FAQ

How do I know if this air filter fits my specific engine model?

This filter is compatible with Volvo Penta D4, D6, D9, and D11 series engines. Always check the Part Number Matrix and Engine Compatibility tables on this page against your service manual or the part number on your existing filter before ordering.

What are signs my air filter needs to be replaced?

Common indicators include decreased engine performance, reduced fuel economy, black smoke from the exhaust, or the engine air filter appearing visibly dirty or clogged upon inspection.

How often should I replace my marine engine's air filter?

Replacement intervals depend on operating conditions (e.g., saltwater vs. freshwater, dusty environments). Check your engine's service manual for recommended schedules, but a general guideline is to inspect it regularly and replace it at least once per season or every 100-200 hours of operation.

Is installation difficult? Can I do it myself?

Installation is typically straightforward and involves opening the air filter housing, swapping the old filter for the new one, and closing the housing. It does not usually require special tools. However, if you are unsure, professional installation is always recommended.

OEM vs. Aftermarket?

This listing is an aftermarket replacement (not OEM). Built to OEM-level specifications with comparable materials. Manufactured in an ISO 9002 facility, batch-inspected for consistency.

Shipping speed & cost?

We ship worldwide quickly—typical transit 5–15 days. Standard shipping is free; expedited options appear at checkout where available.

Warranty & returns?

Covered by a 1-year warranty against manufacturing defects under normal use. If issues arise, contact support with your order details. Returns are accepted within our standard window (unused & in original condition). See our policy page or reach out for instructions.

Safety & Important Info

Verify images/specifications vs your original part. If anything differs—even if your model appears compatible—do not purchase.
This is an aftermarket replacement, not an OEM component.
Professional installation is recommended for safety and performance.

About Sea Sierra

Pro-Grade Standards — We supply marine parts engineered to OEM-level tolerances and tested for real-world conditions.
Fast Global Fulfillment — Free standard delivery to most regions in 5–15 days.
Manufacturer-Direct Value — Fair pricing without compromising on materials or QC.

Payment & Security

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