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

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

This air filter insert is designed for a wide range of Volvo Penta diesel marine engines, including all D4, D6, D9, and D11 models. It serves as a direct-fit replacement, ensuring your engine breathes clean air for optimal performance and longevity.

This component is a direct replacement for Volvo Penta part numbers 21702999, 3818541, and 3583654, as well as other aftermarket equivalents.

• Installation Type: Direct Replacement
• Compatible Fuel Type: Diesel
• Warranty: 1-Year Coverage

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

This package includes:

• 1 x Air Filter Insert (Replaces 21702999, 3818541, 3583654)

Installation Guide

1. Turn off the engine and allow it to cool completely before beginning work.
2. Locate the air filter housing on your engine. It is typically a black plastic or metal box.
3. Open the housing cover, which may be held in place by clips, wing nuts, or screws.
4. Carefully remove the old air filter insert, taking note of its orientation and how it fits within the housing.
5. Wipe the inside of the air filter housing clean with a cloth to remove any dust or debris.
6. For Volvo Penta D9 and D11 engines, you will need to install two filter inserts. Repeat the process for the second filter.
7. Insert the new air filter, ensuring it is seated properly and securely in the housing.
8. Replace the housing cover and fasten it securely.

Troubleshooting & FAQ

Q: How do I confirm this air filter fits my engine?
A: This air filter is compatible with all Volvo Penta D4, D6, D9, and D11 diesel marine engines. Cross-reference the part number (21702999, 3818541, 3583654) with your service manual and see the "Compatible Engine Models" list for confirmation.

Q: How many filters do I need for my engine?
A: Volvo Penta D4 and D6 engines require one air filter insert. Volvo Penta D9 and D11 engines require two inserts. Please ensure you order the correct quantity for your specific engine model.

Q: How often should I replace the air filter?
A: Replacement intervals vary based on your engine's operating environment (e.g., saltwater, dusty conditions) and hours of use. We recommend consulting your engine’s service manual for specific maintenance schedules or inspecting the filter periodically and replacing it when it appears dirty.

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.