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The K&N PF-4000 is a performance fuel filter designed as a direct replacement for 1999-2003 Ford diesel trucks including F-250 F-350 Super Duty Excursion and E-350 E-450 E-550 vans with 7.3L Power Stroke engines. It delivers high flow rates and increased capacity to support engine demands while trapping contaminants like rust dirt and scale. Built with a carbon steel housing this filter maintains fuel system pressure and flow under heavy use.
Key Features
Fitment
| Years | Make | Model | Application |
|---|---|---|---|
| 2003 | Ford | E-350 Club Wagon | Chateau, XL, XLT |
| 1999-2002 | Ford | E-350 Econoline Club Wagon | Chateau, Custom, XL |
| 1999-2003 | Ford | E-350 Super Duty | XL |
| 2000-2002 | Ford | E-450 Econoline Super Duty | Custom |
| 2003 | Ford | E-450 Super Duty | Custom |
| 2002 | Ford | E-550 Econoline Super Duty | Custom |
| 2003 | Ford | E-550 Super Duty | Custom |
| 1998-1999 | Ford | Econoline Super Duty | Custom |
| 2000-2003 | Ford | Excursion | Eddie Bauer, Limited, XLT |
| 1999-2003 | Ford | F-250 | Verify engine and application notes |
| 1999-2003 | Ford | F-350 | Verify engine and application notes |
| 1999-2003 | Ford | F-450 | Verify engine and application notes |
| 1999-2003 | Ford | F-550 | Verify engine and application notes |
Specifications
| Brand | K&N Engineering |
|---|---|
| Manufacturer Part Number | PF-4000 |
| Product Type | Fuel Filters |
| Fitment Type | Vehicle Specific |
| Condition | New |
What's Included
One new K&N fuel filters identified by manufacturer part number PF-4000. Hardware, adapters, clamps, hoses, filters, and service supplies are included only when stated for this exact product.
About K&N Engineering
K&N develops reusable air filtration, intake, oil filtration, fuel filtration, and related performance products for vehicle-specific and dimensional applications.
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Frequently Asked Questions
How do I confirm K&N PF-4000 fits my vehicle?
Match the year, make, and model in the fitment table, then confirm the engine, factory housing, sensor layout, emissions notes, and any application restrictions stated for this exact part.
Is K&N PF-4000 washable and reusable?
Serviceability depends on the exact media used for this part number. Follow the K&N cleaning and oiling directions for this filter and never apply oil to media specified as dry.
What should be checked after installing K&N PF-4000?
Verify seals, clamps, fasteners, hoses, sensors, wiring, and surrounding clearance as applicable. Check for leaks or contact, then follow the manufacturer service and reinspection schedule.
Installation Instructions
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