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    • KNEE-3952.jpg

    K&N Air Filter Element | Rectangular, 2.5in Tall | E-3952

    Vendor: K&N
    Part Number: E-3952
    $68.99

    In Stock

    Not sure it fits your vehicle?
    Email sales@berryperformancesales.com with your year, make, model and engine, and we'll help you check fitment before you order.
    Fast Fulfillment: In-stock orders typically ship within 1 to 2 business days.
    Free Shipping on Orders Over $99 | Excludes freight shipments
    International Shipping Available: email sales@berryperformancesales.com for a quote.
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    Product DetailsFAQReviewsRelated Products

    The K&N E-3952 is a washable, reusable high-flow replacement air filter element engineered to improve airflow over a disposable paper filter while capturing contaminants.

    Specifications:

    • Product type: Air Filter Element
    • Style: Rectangular Air Filter
    • Shape: Rectangular
    • Filter line: High-Flow
    • Media: Cotton Gauze
    • Washable and reusable: Yes
    • Height: 2.5 in (64 mm)
    • Outside length: 6.75 in (171 mm)
    • Outside width: 4.5 in (114 mm)
    • Efficiency: Up To 99% Efficiency
    • Re-oil amount: 0.44 oz (13 ml)
    • Package contents: 1 Air Filter
    • Warranty: No-Hassle Lifetime Limited
    • Part number: E-3952

    FAQ

    What does the K&N E-3952 fit?

    It fits a range of vehicles. Contact us with your year, make, model and engine to confirm the correct part before ordering.

    Is the K&N E-3952 washable and reusable?

    Yes. The K&N media is washable and reusable; clean and re-oil it with a K&N Recharger kit instead of replacing it.

    How efficient is the filter?

    K&N rates this filter at up to 99% efficiency.

    What warranty does it carry?

    It is backed by the K&N No-Hassle Lifetime Limited Warranty.

    Shipping Policy
    • Free shipping on orders over $99 (excludes freight shipments).
    • In-stock orders typically ship within 1 to 2 business days. Weekend and holiday orders are processed the next business day.
    • Orders ship from Defiance, Ohio and a nationwide network of warehouses and manufacturers.
    • Items showing an ETA are not in stock yet. ETAs come from the manufacturer and can change.
    • No P.O. Boxes. International orders need a shipping quote, so email us first.

    Read the full Shipping Policy
    Return Policy
    • 30-day return window from the ship date. Returns must be approved first; email sales@berryperformancesales.com with your order number.
    • Items must be unused, complete and in the original packaging.
    • A 20% restocking fee applies, and return shipping is paid by the buyer.
    • Not returnable: installed or modified parts, opened or used programmers and tuners, custom orders, Open Box, and Clearance or Final Sale items.
    • Damaged, defective or incorrect items must be reported within 48 hours of delivery with photos.

    Read the full Return Policy
    Disclaimer

    All products are sold for off-road use only unless otherwise specified. Buyer assumes all responsibility for installation and operation. Seller is not liable for any incidental, indirect, or consequential damages — including engine failure, labor costs, or vehicle downtime — resulting from the use of any product sold.

    By making a purchase from Berry Performance Sales, you acknowledge and agree to abide by the terms and conditions of these Policies.

    For any questions or concerns, please contact us — we’re always happy to help.

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