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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
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