


aFe MagnumFLOW Air Filters IAF PDS A/F PDS 4F x 6B x 4T x 7H
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
aFe MagnumFLOW Air Filters IAF PDS A/F PDS 4F x 6B x 4T x 7HSKU: 21 40507 UPC: 802959210529 aFe Power Magnum FLOW Universal Air Filter w Pro DRY S Media 4 IN F x 6 IN B x 4 IN T x 7 IN H The aFe Power 21 40507 Magnum FLOW air filter uses Pro DRY S oil free media for universal clamp on applications on custom intake tubes with 4 inch diameter. Its conical design with tall pleats boosts airflow while holding more dust for extended service intervals. This washable filter maintains engine protection and performance
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Your aFe MagnumFLOW Air Filters IAF PDS A/F PDS 4F x 6B x 4T x 7H orders ship within 1-2 business days.
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- We offer a 30-day return/exchange service after receiving.
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4.1 ★★★★★
Based on 2146 reviews
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Product Reviews
★★★★★ 5
works as advertised
works as advertised
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2025
★★★★★ 4
Arrow is AIRFLOW direction, not UP install direction
Arrow is AIRFLOW direction, not UP direction. So installation direction might mean arrow of your Purolator filter should be down (true for glove box installs) even if arrow on old filter is up (if it was an UP indication). I wish they mentioned this in product listing, on box, or on side of filter like most brands. Luckily, telephone customer service was super responsive. Otherwise, product is correct size, appears sturdily made.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2025
★★★★★ 5
Great item
Size: 2.0L
This fit my car perfectly! It was was easy to install as well. Great price as well.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 25, 2026
★★★★★ 5
Easy to install and great quality—perfect for my 2018 Civic
Size: 2.0L
I bought this for my 2018 Honda Civic, and it fits perfectly. It only takes a few minutes to install with just a few clips, and the process is simple. I am a woman and do it myself with no issues at all.
The filter feels sturdy and well made. The thickness and overall quality are excellent. I’ve seen people mention “ease of cleaning,” but I don’t clean mine. I just remove, vacuum the area and replace it when needed. That might be a bit much, but it’s affordable and straightforward.
I can’t say exactly how much it improves airflow or fuel mileage, but I consistently get over 40 miles per gallon in economy mode, so it’s clearly performing well. Overall, it’s a great product if you like handling basic car maintenance on your own.
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Reviewed in the United States on May 11, 2025
★★★★★ 5
Affordable and Reusable
Size: 2.0L
The engine filter was really affordable it cost less then $15. I bought this filter because it was recommended from a family friend. It fitted my honda civic perfectly. Replacing the filter was so easy to replace. Replacing or changing the filter was easy it only took a few mins to do. The quality of the filter is really good and it feels like its perfect for my car. I would buy this filter over and over again thats how great it is.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 4, 2024
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