FILTERWEARS Pre-Filter K266 For K&N Air Filters RC-5102 & RC-5178
FILTERWEARS Pre-Filter K266 For K&N Air Filters RC-5102 & RC-5178
Regular price
$31.95 USD
Regular price
Sale price
$31.95 USD
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- Ships direct from the brand or supplier
- Tracking emailed when it ships
- Free fitment check before you order
Direct from manufacturer. Made in the USA.
Filter material: 100% monofilament polyester with water repellent finish standard on all pre-filters. Closed top, round taper pre-filter.
Measurements: 5.5x9"(top width-length), 6.75x9.5"(base width-length), 8.94"(height)
Fits K&N Air Filters: RC-5102, RC-5178
Cross Reference: K&N RC-5102DK
Fits K&N Intake Kits: 57-2546-1
Vehicle Applications:
- Fits 2003-2007 Ford F-250 Super Duty 6.0L Power Stroke Diesel (w/ K&N 57-2546-1 intake)
- Fits 2003-2007 Ford F-350 Super Duty 6.0L Power Stroke Diesel (w/ K&N 57-2546-1 intake)
- Fits 2003-2007 Ford F-450 Super Duty 6.0L Power Stroke Diesel (w/ K&N 57-2546-1 intake)
- Fits 2003-2007 Ford F-550 Super Duty 6.0L Power Stroke Diesel (w/ K&N 57-2546-1 intake)
- Fits 2003-2005 Ford Excursion 6.0L Power Stroke Diesel (w/ K&N 57-2546-1 intake)
Important: This listing includes the FILTERWEARS pre-filter only. Air filter is not included.

About this air filter
Filters are one of the simplest maintenance jobs and usually need no tools.
Fitment notes
- Specs, lead time and warranty come from the manufacturer and supplier and can change. The details above this guide are the latest we have.
Not sure it fits? Send us your year, make, model, engine and trim and we'll check before you order.
Ask about fitmentParts that usually go with it
- Oil filter. Often changed at the same service.
More for your car: Air Filters · All Air Filters · Filters
Questions about air filter
Will this fit my car?
Check the title and details above for the vehicles and part number it is listed for. If you are not sure, contact us with your year, make, model, engine and trim and we will confirm fitment before you order.
How often should I change it?
Follow your maintenance schedule; dusty roads mean more often.
Where do specs and warranty details come from?
From the manufacturer. Each brand sets its own specs, lead times and warranty terms, and they can change. The product details above are the latest we have.
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