★★★★★ 5
Easy install
Size: 1 Count (Pack of 1)
Easy install and fits '21 Ford Bronco!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 7, 2026
WSM Mercury 30-400 Hp Verado Inline Fuel Filter - 600-309, 18-7718, 35-879885K
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
WSM Mercury 30-400 Hp Verado Inline Fuel Filter - 600-309, 18-7718, 35-879885KITEM#: 600 309 FUEL FILTER: MERCURY MARINER 30 400 HP VERADO INLINE OEM#: 18 7718, 35 879885K, 35 879885Q, 35 879885T BRAND: WSM FITMENTS: Make Model Year(s) Mariner ALL Mercury 3 Cyl 4 Stroke 30 2002 2008 Mercury 3 Cyl 4 Stroke 35 2009 2014 Mercury 3 Cyl 4 Stroke 40 2002 2008 Mercury 4 Cyl 4 Stroke 100 2006 Mercury 4 Cyl 4 Stroke 115 2006 2021 Mercury 4 Cyl 4 Stroke 135 2006 2009 Mercury 4 Cyl 4 Stroke 150 2006 2021 Mercury 4 Cyl 4 Stroke 175 2006
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4.3 ★★★★★
Based on 607 reviews
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Product Reviews
★★★★★ 5
Just as excellent as all other K&N products I've used
Size: 1 Count (Pack of 1)
Great fit, and lot more more robust in build than the OEM filter it replaces. I've replaced the factory cabin air filters in at least 3 vehicles with these, when the time came to replace. Side note: This one went into a 2020 Lincoln Aviator and --consistent with my experience with previous Lincoln models -- the retaining tabs on the filter housing door snapped off when I was trying to remove it. Nothing to do with the K&N filter, but I just don't understand why Lincoln can't design a better housing door mechanism.
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Reviewed in the United States on September 16, 2025
★★★★★ 5
Great fit, great replacement for standard filter.
Size: 1 Count (Pack of 1)
Very tight fit, but fit it does. I put this in my 2.5L Ford Escape Hybrid 2020. Fits tight, but well, so no wiggling.
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Reviewed in the United States on September 8, 2025
★★★★★ 5
Consistently high quality products
Size: 1 Count (Pack of 1)
Have used both their cabin and engine filters for all of my vehicles and will continue with each new vehicle I get. I like that they last a LONG time, are reusable (washable), and help the vehicle run better.
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Reviewed in the United States on July 7, 2025
★★★★★ 4
A very tight fit
Size: 1 Count (Pack of 1)
I purchased this for my 2022 Escape, It is the same part listed on the KN website, I watched a video on You-tube on how to replace it. The process seemed simple enough, but I'm not as talented as the poster. I finally got the damper unhooked on the right of the door and the two clips that hold the glove box in were easy to push in. This let the glove box fall forward, Now to remove the two phillips screws that secure door of the filter assembly closed. They weren't too bad, but make sure you have a magnet to get them out, or if they drop to retrieve them. Now the door clips need to be spread apart, I broke the left one, but the right one was ok. Swap the filter and then try to close the door. The new filter was a little too thick front to back and made the door very hard to close. I used the screws to hold the door in place. Close the glove box and try to get the damper back on the peg. Search for this video 2020 - 2022 Ford Escape How to Replace Cabin Air Filter
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Reviewed in the United States on June 9, 2024
