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

Air Filter – Fits Volvo Penta D4, D6, D9, D11 Marine Engines

This air filter is designed for a range of Volvo Penta D4, D6, D9, and D11 series marine diesel engines, ensuring clean air intake for optimal engine performance and longevity. It serves as a direct-fit replacement, simplifying maintenance and installation.

This component is a direct replacement for Volvo Penta part numbers: 21702999, 3818541, 3583654, and 117303.

• Installation Method: Direct replacement
• Compatible Fuel Type: Diesel
• Included Components: 1 x Air Filter

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 (21702999/3818541/3583654/117303)

Installation Guide

1. Safety First: Ensure the engine is completely cool and turned off before beginning.
2. Locate Housing: Find the air filter housing on your engine; consult your engine manual if needed.
3. Open Cover: Release the clips or remove the screws that secure the air filter housing cover.
4. Remove Old Filter: Take out the old filter element. Note its orientation and check for any unusual debris.
5. Clean Housing: Use a clean, dry cloth or a vacuum to remove any dust and debris from inside the housing.
6. Install New Filter: Insert the new air filter, making sure it is seated securely and correctly aligned.
7. Secure Cover: Replace the cover and fasten the clips or screws to ensure an airtight seal.

Troubleshooting & FAQ

Q: How do I confirm this fits my engine?

A: This air filter is designed for Volvo Penta D4, D6, D9, and D11 marine diesel engines. It is a direct replacement for OEM part numbers 21702999, 3818541, 3583654, and 117303. Cross-reference these numbers with your existing part and consult the compatibility table to ensure a perfect match.

Q: How often should I replace the engine air filter?

A: Replacement frequency depends on operating hours and environmental conditions like saltwater spray and dust. We recommend checking the filter during every routine service and replacing it at least once per season or more often if it appears dirty or clogged. Always follow the maintenance schedule in your engine's service manual.

Q: What are the symptoms of a clogged air filter?

A: A dirty air filter can restrict airflow, leading to symptoms like reduced engine power, poor fuel economy, excessive black smoke from the exhaust, or the engine running rough. If you notice any of these issues, inspect the air filter promptly.

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.