Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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For Your Every Summer RSVP, with Code: SUMMER15
Description
K&N Unique Air Filter (E-3986)The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for specific K&N RK Series air cleaner assemblies for Harley Davidson motorcycles. The air filter is covered by the famous K&N Million Mile Limited Warranty. Replacement air filter for specific RK Series
The K&N replacement air filter for RK Series air cleaner assemblies is designed to increase horsepower and acceleration while providing excellent filtration. The air filter is washable and reusable and designed to be used as a replacement air filter for specific K&N RK Series air cleaner assemblies for Harley-Davidson® motorcycles. The air filter is covered by the famous K&N Million-Mile Limited Warranty.- Replacement air filter for specific RK Series air cleaner assemblies
- Designed to boost horsepower and rate of acceleration
- Washable and reusable
- High air flow filter media provides exceptional filtration
- Million Mile Limited Warranty®
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1649 reviews
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Product Reviews
★★★★★ 5
Works fine
Works fine
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Reviewed in the United States on January 8, 2026
★★★★★ 5
Great Engine and Cabin Air filters
Color: gray
It is an exact match and was like replacement . I am not mechanically inclined and this took less than 5 mins -watched a You Tube video and this product was the exact size and fit
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Reviewed in the United States on May 29, 2026
★★★★★ 5
Good product
Color: gray
Nice fit. Easy yo install.
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Reviewed in the United States on March 25, 2026
★★★★★ 4
Exact replacements for ‘25 Forester air/cabin filters
Color: gray
Exact replacement set for ‘25 Subaru Forester. Reasonable cost, quality seems OK. Easy install.
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Work Great
Color: gray
Works well in my car good quality and the cost is not bad compared to the other brands. Easy to install.
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Reviewed in the United States on April 8, 2026