Round Head Plug NPT #3000/6000 - SS 316/316L

Round Head Plug NPT #3000/6000 - SS 316/316L

Marsoni

M251S

$34.18

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

Round Head Plug NPT #3000/6000 - SS 316/316LDimensions PDF Product Details : Round Head Plug NPT #3000 6000 SS 316 316L Product Type: Round Head Plug Thread: NPT Class: #3000 6000 Material(s): Stainless Steel 316 316L Details: Machined from solid forgings. In accordance to ASME B16. 11 ASTM ASME A SA 182 Plugs are not identified by class. They may be used for ratings up through class 6000. For any information about products, please contact us. *Photos for reference purposes only.

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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.
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Last December we bought our first new car in 21 years and the first thing I did is stock up on cabin and engine air filters. I've got nothing against dealership OEM parts and pieces but what I do have an issue with is the prices. Luckily, we all have a bit of control over access to OEM quality parts and pieces at significantly more reasonable prices via Amazon. This filter and it's matching cabin filter are excellent in value and take less than 5 minutes to replace. Compare that to paying the hourly rate at your dealer plus the dealership retail price and you'll do what I did and stock up on these two filters. Definitely recommended.

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Reviewed in the United States on September 25, 2025

Verified Purchase

Little Oak

Dallas, US

★★★★★ 4

It will fit a 2022 Subaru Outback

Size: (Pack of 1)

Higher quality than OEM item fit and arrived on time. This was for a 2023 Subaru Outback

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Reviewed in the United States on September 15, 2025

Verified Purchase

Bob P

Grantham, US

★★★★★ 5

High quality

Size: (Pack of 1)

Looks a lot nicer than the one that came with my Subaru Outback (OEM). Performs the same or better.

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Reviewed in the United States on March 20, 2026

Verified Purchase

Julie

Whiting, US

★★★★★ 5

Perfect fit for my 2018 Civic—easy, affordable, and worth it

Size: 9.5" x 10.9" x 2.1"

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