SKU: 85-2003 | UPC: 024844370419
K&N Air Filter Foam Insert Block 85-2003 DSL Only 2017-2019 Ford F-250 F-350 Super Duty
K&N 85-2003 is a pre-cut foam insert that replaces the OEM foam block in the air filter housing for Diesel models only. Designed for 2017-2019 Ford F-250 and F-350 Super Duty trucks with 6.7L Power Stroke V8 Diesel engines. Delivers washable reusable filtration to protect the engine while allowing strong airflow for power output.
Key Features
- Direct OEM Replacement: Matches factory foam block dimensions of 13.625 in L x 7.625 in W x 2.063 in H for seamless fit.
- Diesel Specific Design: Built exclusively for 6.7L Power Stroke engines in Super Duty trucks to handle high dust and debris loads.
- Pre-Cut Ready to Install: No trimming or tools needed drops directly into stock airbox housing.
- Washable and Reusable: Clean with K&N kit multiple times extends life beyond disposable filters and cuts replacement costs.
- High Flow Filtration: Oiled foam traps contaminants while passing more air than stock for improved throttle response.
Product Notes
- For Diesel models only no gas engine compatibility.
- Clean every 50,000 miles or as needed with K&N air filter cleaner and oil.
- Product weight 0.41 lbs ships in 13.75 x 7.75 x 2.125 in box.
Installation Notes
- Professional installation recommended.
- Remove OEM foam from airbox press in K&N insert 5 minute job.
- Uses existing stock mounting hardware no modifications required.
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2017-2019 | Ford | F-250 Super Duty | King Ranch |
| 2017-2019 | Ford | F-250 Super Duty | Lariat |
| 2018-2019 | Ford | F-250 Super Duty | Limited |
| 2017-2019 | Ford | F-250 Super Duty | Platinum |
| 2017-2019 | Ford | F-250 Super Duty | XL |
| 2017-2019 | Ford | F-250 Super Duty | XLT |
| 2017-2019 | Ford | F-350 Super Duty | Lariat |
| 2018-2019 | Ford | F-350 Super Duty | Limited |
| 2017-2019 | Ford | F-350 Super Duty | Platinum |
| 2017-2019 | Ford | F-350 Super Duty | XL |
| 2017-2019 | Ford | F-350 Super Duty | XLT |
Why Choose K&N?
- Over 50 years engineering air filters for trucks and performance vehicles.
- Backed by No-Hassle Lifetime Limited Warranty on filter media.
- Proven in millions of miles of heavy-duty diesel applications.
Frequently Asked Questions
- Q: Will 85-2003 fit gas engine Super Duty models?
A: No designed for Diesel 6.7L Power Stroke only check your engine before purchase. - Q: What material is the foam made from?
A: High-density polyurethane foam pre-oiled for optimal dirt capture and airflow. - Q: What is the warranty and cleaning process?
A: Lifetime Limited Warranty use K&N cleaner spray rinse dry re-oil for maintenance.
Shipping & Handling
- Method: UPS Ground or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure K&N box 13.75 x 7.75 x 2.125 inches
- Weight: 0.41 lbs
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