MTM GX Series Foam Prefilter for GX 340-390

MTM GX Series Foam Prefilter for GX 340-390

Marsoni

M251S

$10.43

Get it in 3 business days with 1 day shipping. Friday, May 29

MTM GX Series Foam Prefilter for GX 340-390Veloci's Aftermarket Replacement parts for the Honda GX series of small engines, have a proven track record for excellent quality and fitment since their introduction in 2008. We did our homework to provide you with a hand selected, premium, aftermarket part that is of OEM quality. These aftermarket engine parts fit the Honda GX Series, only. When selecting your replacement engine part be sure to confirm that it is a GX (Contractor Series) and falls

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Your MTM GX Series Foam Prefilter for GX 340-390 orders ship within 1-2 business days.

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Standard: 3-7 business days
Fast: 2-3 business days
Express: 1-2 business days

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Exchange/Return Notes

We offer a 30-day return/exchange service after receiving.
Final sale items are not eligible for returns or exchanges.
To process your return/exchange, please contact us at [email protected]
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I’ve bought this cabin air filter multiple times for my 2018 Honda Civic, and it’s consistently great quality. It fits perfectly and is super easy to install—takes just a few minutes to swap out, and I always do it myself. Way cheaper than going to a shop or dealership. The airflow is smooth, there’s no smell at all, and it keeps the inside of my car feeling clean and fresh. No weird odors, no dust blowing in—just a solid, dependable filter that does its job well. This is the only one I’ll keep buying.

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Reviewed in the United States on May 11, 2025

Verified Purchase

Michael Howard

Grantham, US

★★★★★ 5

Do it mayne

Size: 9.5" x 10.9" x 2.1"

Good quality and fit but find it funny that the instructions with the air flow are on the side. I assume that would be facing out and was annoyed when I tried to close and it didn’t fit. Probably should have read the directions. Still would recommend

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Reviewed in the United States on March 8, 2026

Verified Purchase

Kcfangue

Phoenix, US

★★★★★ 5

Perfect fit, durable and affordable

Size: 9.5" x 10.9" x 2.1"

Ordered this for our 2023 Honda civic. Great fit, durable and very affordable. Was so easy to pull old one out and replace new one. Will be ordering again.

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Reviewed in the United States on November 3, 2025

Verified Purchase

NY2CO

Grantham, US

★★★★★ 5

Save money by installing yourself

Size: 9.5" x 10.9" x 2.1"

Good price and easy to install in a 2019 Honda CRV. Instructions can be found on YouTube. Much less expensive than having a service center install them.

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Reviewed in the United States on February 14, 2026