Best in 7 days
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Ships within 48 hours · Estimated delivery Jun 28 - Jul 3
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Description
U-Bolt Top Plate M1549U Bolt Top Plate M1549 Same As Automann M1549, Navistar 3541539C3, Ford 4C4Z 5709 CA, Ford 4C4Z5709CA, Ford 4C4O 5708 CA, Ford 4C4O5708CA.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 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.
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Best in 7 days
Best in 7 days
Best in 7 days
Best in 7 days
4.2 ★★★★★
Based on 1166 reviews
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Product Reviews
★★★★★ 5
Quality Product, Great Investment
Size: 1 Count (Pack of 1)
Installation was a bit of a hassle, but that has more to do with my skills than the product. Product seems to be of great quality. The stickers included to warn mechanics that the filter is not disposable is a blessing!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 26, 2026
★★★★★ 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
★★★★★ 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
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