Click to zoom in
SKU: E-9289 | UPC: 024844178732
K&N E-9289 Replacement Air Filter Round Tapered for 2013-2017 Ford Focus & 2014-2015 Transit Connect 5.75in Base x 5.938in Top x 7.688in H
The K&N E-9289 is a direct replacement air filter for the 57S-4000 performance airbox designed for 2013-2017 Ford Focus models including RS ST SE S Titanium and 2014-2015 Ford Transit Connect XL XLT Titanium. This round tapered filter with 3in flange increases airflow to deliver more horsepower and quicker acceleration while trapping dirt for engine protection. Its washable high-flow media lasts the life of your vehicle with simple cleaning.
Key Features
- Washable Reusable Media: Clean with K&N kit and reinstall repeatedly for long-term performance without buying replacements
- Precision Dimensions: 5.75in base OD 5.938in top OD 7.688in height 3in flange fits perfectly in 57S-4000 airbox
- Horsepower Gains: High-flow cotton gauze design pulls in more air for noticeable boosts in power and throttle response
- Embossed Lid Cap: Includes K&N branded cap for secure fit and authentic style on your performance airbox
- Engine Protection: Four layers of filtration media capture even fine particles to safeguard pistons and valves
Product Notes
- Direct drop-in for K&N 57S-4000 performance airbox no modifications needed
- Service every 50,000 miles or when dirty using K&N cleaning kit
- Product weight 1.1 lbs ships in 8.25 x 7.5 x 7.5in box
Installation Notes
- Professional installation recommended.
- Remove old filter from 57S-4000 airbox and snap in E-9289 with lid cap takes under 5 minutes
- Uses factory hardware no additional parts required
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2016-2017 | Ford | Focus | RS |
| 2013-2015 | Ford | Focus | S |
| 2013-2015 | Ford | Focus | SE |
| 2013-2015 | Ford | Focus | ST |
| 2013-2015 | Ford | Focus | Titanium |
| 2014-2015 | Ford | Transit Connect | Titanium |
| 2014-2015 | Ford | Transit Connect | XL |
| 2014-2015 | Ford | Transit Connect | XLT |
Why Choose K&N?
- Proven track record in motorsports and street performance since 1969
- High-flow filters flow up to 50% more air than OEM while filtering better
- Engineered in USA with oiled cotton gauze for balanced power and protection
Frequently Asked Questions
-
Q: Will the E-9289 fit my 2015 Ford Focus ST with 57S-4000 airbox?
A: Yes it is the exact OEM replacement filter for all 57S-4000 airboxes on listed 2013-2017 Focus models including ST -
Q: What material is used in this filter?
A: Four-ply progressive cotton gauze pleated over 100 times with wire backing held by epoxy-coated aluminum screen -
Q: What is the warranty and maintenance?
A: Backed by K&N No-Hassle Lifetime Warranty clean every 50,000 miles with Recharger kit for like-new performance
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock - ships same or next business day
- Packaging: Protective cardboard box 8.25 x 7.5 x 7.5in
- Weight: 1.1 lbs
Air Filters
Air filters and intake filtration parts for cars, trucks, SUVs, Jeeps, and diesel platforms are stocked at Black Ops Auto Works. Shop direct-fit filters, drop-in replacement filters, universal clamp-on filters, cabin air filters, HVAC filters, engine breather filters, pre-filters, and velocity stacks for Hellcat, Trackhawk, TRX, Grand Cherokee, Challenger, Charger, Camaro, Corvette, Mustang, F-150, Tacoma, Tundra, BMW, and Honda platforms. Every product is filterable by year, make, model, trim, engine, and filter dimension so the correct part ships the first time. Black Ops Auto Works carries 3,397 air filter SKUs across direct-fit, universal, cabin, and pre-filter categories. What This Collection Covers Air filters remove dirt, dust, and debris from air entering the engine or cabin. This collection spans OE-style direct-fit and drop-in filters, universal cone and clamp-on filters for custom intakes, cabin and HVAC filters for interior air, engine breather filters for crankcase ...
View Air Filters Products
Air Filters - Drop In
Drop in air filters and replacement panel filters for cars, trucks, SUVs, and Jeeps are stocked at Black Ops Auto Works. Shop reusable and dry media panel filters that fit directly into your factory air box from K&N, aFe, AEM, Injen, BMC, and GReddy for vehicles ranging from Corvette and Mustang to Porsche, BMW, and Ford Super Duty diesel trucks. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct filter ships the first time. Black Ops Auto Works carries 1,453 drop in air filter SKUs across dozens of vehicle platforms. What This Category Covers Drop in air filters replace the factory paper filter element inside your existing air box without changing the intake tubing or housing. This collection spans reusable oiled cotton filters, dry synthetic media filters, and OEM style replacement panels sized to fit factory air box dimensions across nearly every make and model. Reusable and Dry Media Options Reusable oiled cotton filters from K&...
View Air Filters - Drop In Products
K&N Engineering
K&N Engineering filters and intakes for Jeep, RAM, Dodge, Chevy, Ford, Toyota, BMW, and Cadillac platforms are stocked at Black Ops Auto Works. Shop cold air intakes, Aircharger and NextGen intake systems, reusable panel filters, drop-in filters, universal clamp-on filters, oil filters, cabin filters, fuel filters, and filter cleaning kits for HEMI, Cummins diesel, EcoBoost, and LS/LT engine builds. Every product is filterable by year, make, model, trim, engine, and drivetrain so the correct part ships the first time. Black Ops Auto Works carries 1,927 K&N Engineering SKUs across intake, filtration, and maintenance categories. What This Brand Covers K&N Engineering built its reputation on reusable, high flow air filtration. This collection spans complete cold air intake systems, direct fit replacement filters, universal clamp-on filters for custom builds, and maintenance items like oil filters, fuel filters, and cabin filters. Cold Air Intakes and Intake Systems K&am...
View K&N Engineering Products