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🏁 Drive smarter, breathe better — the power filter your Ford deserves!
The K&N 33-3131 Engine Air Filter is a premium, washable replacement filter engineered specifically for 2018-2020 Ford Focus IV and Escape models. Designed to increase horsepower and throttle response, it features four layers of oiled cotton for superior filtration and water repellency. With a lifespan matching your vehicle’s engine and backed by a 600,000-mile warranty, this easy-to-install filter reduces maintenance costs while optimizing engine performance and sound.











| ASIN | B07N4GZDKB |
| Automotive Fit Type | Vehicle Specific Fit |
| Best Sellers Rank | 90,243 in Automotive ( See Top 100 in Automotive ) 670 in Car Air Engine Air Filters |
| Brand | K&N |
| Brand Name | K&N |
| Country Of Origin | USA |
| Customer Reviews | 4.7 out of 5 stars 491 Reviews |
| EU Spare Part Availability Duration | 5 Years |
| Fit Type | Vehicle Specific Fit |
| Fit type | Vehicle Specific Fit |
| Global Trade Identification Number | 00024844369963 |
| Included Components | K&N air filter Ford Focus IV 1.0 & 1.5 (incl. Diesel) & 2.0 Diesel 2018- (33-3131) |
| Item Dimensions L x W x H | 26.5L x 29.4W x 4.5H centimetres |
| Item Shape | Rectangular |
| Item Type Name | K&N Replacement Air Filter compatible with Ford Focus IV 1.0 & 1.5 (incl. Diesel) & 2.0 Diesel 2018- (33-3131) |
| Manufacturer | K&N |
| Manufacturer Part Number | 33-3131 |
| Manufacturer Warranty Description | No |
| Model Number | 33-3131 |
| OEM Equivalent Part Number | Ford 2210514, Ford FA1939 |
| OEM part number | Ford 2210514, Ford FA1939 |
| Product Grade | New |
| Product dimensions | 26.5L x 29.4W x 4.5H centimetres |
| Product grade | New |
| UPC | 024844369963 |
| Unit Count | 1.0 count |
M**N
fit and forget
This is a no brainer for the price. Whilst the cost is more than an OEM replacement it will be the one and only Air filter you will need and factor in the cost of replacing the OEM at every service it soon pays for itself. They come with a 1 million mile warranty, improves performance and fuel economy. Plus when it needs to be refreshed all you need to do is rinse the filter under water and reapply the oil to the filter.
N**K
K&n
Made a noticeable difference on throttle response
A**S
Mk4 focus st k&n filter
Fits like OEM great filter
J**N
Great product
Always buy one for every car I buy. Definitely helps the engine breathe better
M**K
Ne correspond pas
Arnaque le filtre reçus etais un bête filtre en papier
K**G
top filter
Past perfect, werd ook op tijd geleverd.
M**L
Buen filtro de reemplazo
Funciona como reemplazo, ciertamente, no hay medio cambio, ni en sonido, ni el rendimiento que podamos notar nosotros con una conducción normal
C**N
Sutututu
Muy buen filtro, necesario si quieres que tú coche respire mejor. Escuchó el turbo soplar más fuerte, me gusta
A**O
Filtro k&n
Muito bom
Trustpilot
3 days ago
1 month ago