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🏁 Unleash your Bronco’s true power with K&N’s lifetime high-flow filter!
The K&N High-Flow Original Lifetime Engine Air Filter (E-0634) is a premium, washable replacement filter designed specifically for the 2021 Ford Bronco. Featuring advanced 4-layer cotton gauze media, it boosts horsepower and acceleration while providing superior contaminant protection. Engineered for durability with a lifetime warranty, it requires cleaning only every 75,000 miles, saving you money and reducing environmental waste. Easy to install and proudly made in the USA, this filter is a smart upgrade for performance-driven Bronco owners.
| ASIN | B09NDZT78F |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | #9,885 in Automotive ( See Top 100 in Automotive ) #131 in Automotive Replacement Air Filters |
| Brand Name | K&N |
| Customer Reviews | 4.7 4.7 out of 5 stars (340) |
| Fit Type | Vehicle Specific Fit |
| Included Components | Air Filter |
| Item Type Name | Replacement Air Filter |
| Item Weight | 1.31 Pounds |
| Manufacturer | K&N Engineering, Inc. |
| Manufacturer Part Number | E-0634 |
| Manufacturer Warranty Description | 1,000,000 Miles/10 Year |
| Model Number | E-0634 |
| OEM Equivalent Part Number | Ford FA2022 |
| Product Grade | Replacement Part |
| Shape | Round |
| UPC | 024844393050 |
| Unit Count | 1.0 Count |
D**M
Great in my Bronco
Works and fits great in my 2025 2.7 Bronco
M**T
Bronco Easy & Quality Air Filter Improvement
Installed the product a few weeks ago and saw an improvement in gas mileage right away. It has changed over the weeks, but seeing about 1.5- 2 mpg improvement. Installation was extremely easy and just a few tools to complete. Fit easily and quality product. Definitely would recommend for the price.
M**D
Fits 6 gen Bronco
This is a quality filter and really is a huge step up from the OEM filter. I live in an agricultural area that has a lot of dust, and quit a few unpaved rural roads. So, I need to change out filters frequently. This filter will pay for itself rather quickly. I had no issue with fitment as some have had. It looks like K&N has resolved those issues. I have used K&N products for almost 30 years and fi d that they are a quality focused company that produces great products for reasonable prices.
A**L
Easy install
Easy to remove the paper factory version and install this one. Fitment for me was spot on. The cost was good as well compared to buying from brick and mortar locations. I haven’t tested for fuel performance or HP increases yet as I don’t pay that much attention, but others have said they’ve seen improvements.
C**J
This was well worth the money
My new 2024 Bronco was getting about 14.7 mpg when I bought it. I know what I am about to say may seem crazy but it is true. I watched a few YouTube videos that said the K&N filter actually improved gas mileage on their Broncos. I didn’t care about gas mileage but I do enjoy the peppier HP gain you get from this filter. So for performance reasons I bought it. My Bronco definitely feels healthier and more peppy while on the thottle. But let me tell you this. My gas mileage actually went up to 16.9 mpg. That was actually pretty surprising. That gas mileage is with me driving my Bronco with the four on the pedal all the time. So someone that drives more conservatively may get 18 to 19 mpg out of theirs. Mine is a 2024 Wildtrak Bronco. Mine is geared very low so a regular Bronco should get even better MPG.
M**E
Perfect fit - easy install
Got this for my 2021 Ford Bronco 2.3L. Fit like a glove and install was 5 mins. Does not feel like there’s a difference but I’m sure it’s doing a bit better hp and mpg wise. Not sure why other posts saying it’s a loose fit. The stock filter sits the same way there is no clamps holding this on. It just slips on.
D**Y
The most important air filter you will ever buy
This air filter comes in a beautiful red and fits perfectly into the OEM filter box. It has not only transformed my 15mpg 2.7L Bronco into a veritable Braptor that sips fuel like a Mach-E, but it also supplies me with witty pickup lines for The Ladies.™ It hasn't just made my Bronco a better truck, it....it's made me into a better person. Get your K&N Engine Air Filter and breathe easier today.
B**R
Stick With Brands You Know
Trusting in the K & N brand. First non-oiled filter purchase. Time shall tell, but I’m optimistic. A good replacement for my 23 Bronco.
B**O
Not good for gulf countriesbbery bad f9r desert drive
H**J
This filter is exactly what I needed. It fits perfectly easy to install all of about 15 minutes and that includes cleaning the air box.
C**.
Exactement comme prévu
H**O
Passt perfekt für Ranger 2025 2,3 PHEV Spürbar besserer Luftdurchsatz und etwas geringerer Verbrauch messbar!
N**.
Perfect for Everest 2024 2.3l
Trustpilot
1 month ago
1 month ago