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Air Filter Complete Kit – Fits Volvo Penta 31/41-series and D3 Marine Engines (Replaces 21782391, 3582357)

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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 aftermarket Air Filter Complete Kit – Fits Volvo Penta 31/41-series and D3 Marine Engines is engineered for direct installation on a wide range of Volvo Penta diesel engines, including the 31/41-series (KAD32, KAD43, TAMD31, AD31, etc.) and D3-series (D3-110 to D3-190). It provides essential protection by filtering intake air before it enters the engine.

It directly replaces Volvo Penta part numbers 21782391 and 3582357 for the complete assembly, and also includes the equivalent of the 21646645 and 3582358 air filter insert.

  • Direct replacement installation requires no modification.
  • Includes the complete housing and the internal filter element.
  • Designed specifically for use in marine diesel environments.

Part Number Matrix

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

Brand Part Number Notes
Volvo Penta 21782391 / 3582357 Complete air filter kit
Volvo Penta 21646645 / 3582358 Air filter insert only

Engine & Model Compatibility

Confirm your engine model/year in the table below.

This air filter kit is compatible with the following Volvo Penta diesel engines. Verify your specific model is listed.

Brand Model Rated HP Stroke OEM Part No. Notes
Volvo Penta KAD32P, KAD32P-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta TAMD42WJ-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta KAD43P, KAD43P-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta KAMD43P, KAMD43P-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta KAD44P, KAD44P-A, KAD44P-B, KAD44P-C 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta KAMD44P, KAMD44P-A, KAMD44P-B, KAMD44P-C 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta KAD300-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta KAMD300-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta HS1A, HS1E-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta HS45A, HS45AE 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta HS63A, HS63AE, HS63V, HS63VE 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta HS80AE-A, HS80AE-B, HS80IVE-B, HS80IVE 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta HS85AE-A, HS85IVE-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta DP-D, DP-D1, DP-E, DP-G 4-Stroke 21782391, 3582357 Sterndrive models
Volvo Penta DPX-C, DPX-R, DPX-S, DPX-S1, DPX-A, DP-D2 4-Stroke 21782391, 3582357 Sterndrive models
Volvo Penta AD31L-A, AD31P-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta AD41L-A, AD41P-A, D41L-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta TAMD31L-A, TAMD31M-A, TAMD31P-A, TAMD31S-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta TAMP31B 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta TAMD41H-A, TAMD41H-B, TAMD41P-A, TAMD41L-A, TAMD41M-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta TMD31L-A, TMD41L-A 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta D3-110I-A, D3-110I-B, D3-110I-C 110 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta D3-130A-A, D3-130I-A, D3-130A-B, D3-130I-B, D3-130A-C, D3-130I-C 130 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta D3-160A-A, D3-160I-A, D3-160A-B, D3-160I-B, D3-160A-C, D3-160I-C 160 4-Stroke 21782391, 3582357 Complete air filter kit
Volvo Penta D3-190A-B, D3-190I-B, D3-190A-C, D3-190I-C 190 4-Stroke 21782391, 3582357 Complete air filter kit

Technical Specs

Product Type
Air Filter Complete Kit
Installation
Direct replacement
Fuel Type
Diesel
Dimensions
27.0cm (L) x 27.0cm (W) x 16.0cm (H)
Other Technical Attributes
Includes complete air filter assembly with housing and filter element

What’s in the Box

  • 1 x Air Filter Complete Kit (21782391/3582357)
  • 1 x Air Filter Insert (21646645/3582358)

Installation Notes

  1. Shut off the engine and allow it to cool completely before starting work.
  2. Locate the existing air filter housing on the engine.
  3. Carefully disconnect any clamps, bolts, or hoses attached to the old air filter assembly.
  4. Remove the old assembly from the engine bay.
  5. Clean the mounting surface and intake connection point to ensure a proper seal.
  6. Install the new air filter kit, ensuring it is seated correctly.
  7. Securely fasten all clamps, bolts, and hoses.
  8. Double-check that all connections are tight before starting the engine.

Troubleshooting & FAQ

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

This kit is designed for Volvo Penta 31/41-series and D3-series marine diesels. Please check the 'Engine & Model Compatibility' table on this page and compare the OEM part numbers (21782391, 3582357) with your engine's service manual.

What is the difference between the complete kit and just the filter insert?

This complete kit includes both the air filter housing and the replaceable filter element (insert). The insert (equivalent to part numbers 21646645, 3582358) is the component that is periodically replaced during maintenance. This kit is ideal for replacing a cracked, damaged, or completely missing housing.

When should the air filter be replaced?

Replacement intervals depend on operating conditions (e.g., duty cycle, dusty or salty air). Visually inspect the filter element during routine checks. Replace it when it appears dirty or clogged, or as recommended in your engine's maintenance schedule, to ensure optimal engine performance and fuel efficiency.

What are the signs of a failing air filter?

Common symptoms include reduced engine power, increased black smoke from the exhaust, and higher than normal fuel consumption. A physically damaged housing or a heavily soiled filter element are clear signs that a replacement is needed.

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.

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