K&N Universal Round Air Filter 9in OD x 7.5in ID x 4in Height
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This item may be on backorder. Please contact us to confirm supplier availability and estimated lead time before ordering.
Regular price
$83.99
Verified Fitment & Application Support
This product is selected for proper fitment and compatibility with the listed engine application. Our team is available to assist with fitment questions, installation considerations, and supporting components to ensure a smooth install and reliable performance.
Got Questions? Feel free to email us or call us at (503) 235-1947
Compliance & Restrictions
California Proposition 65 (Prop 65)
WARNING: This product can expose you to chemicals which is known to the State of California to cause cancer and/or reproductive harm.
For more information, visit www.P65Warnings.ca.gov.
CARB / California Emissions Compliance
This item may be restricted in California and other regions with emissions regulations. If applicable, it is intended for
competition/off-road use only unless otherwise stated. It is the customer’s responsibility to confirm local compliance before purchase.
Orders shipping to restricted areas may be canceled.
K&N supplies the E-3640 as a universal round filter for builders matching a filter to an existing intake tube.
Key Features
- Cleaned and refitted instead of thrown away
- Oiled cotton gauze media that flows freely while trapping contaminants
- Rubber flange grips the intake tube and damps vibration
- Long service life with routine cleaning
Fitment
Universal. This filter has no vehicle-specific fitment; match the dimensions below to your intake tube or application before ordering.
Product Details
- Brand: K&N Engineering
- Manufacturer Part Number: E-3640
- Outside diameter: 9 in
- Inside diameter: 7.5 in
- Height: 4 in
- Filter media: oiled cotton gauze
Shipping Height: 5.9
Shipping Length: 12.0
Shipping Width: 12.0