K&N Engineering

K&N Universal Round Straight Air Filter 9in OD 7-1/2in ID 4in H - Single

SKU: knnE-3640 UPC: 24844004253
Backordered – call for lead time

⚠ Call for Availability

Expected ship time: usually within 24–48 hours; some vendor items may take longer.

Call: (503) 235-1947 | Email Us: info@dfispdx.com

$83.99

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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

For an intake tube, K&N offers the E-3640, a round straight universal filter. It uses washable, reusable oiled cotton media.

Key Features

  • Washable and reusable

Fitment

Universal. Match the dimensions below to your air box or air cleaner housing before ordering.

Product Details

  • Brand: K&N Engineering
  • Manufacturer Part Number: E-3640
  • Outside diameter: 9in
  • Inside diameter: 7-1/2in
  • Height: 4in
  • Filter media: oiled cotton

Orders typically ship within 24–48 hours of being received, but because of vendor shipping times some orders may take longer. We ship within the United States only (48 contiguous states plus DC).

Shipping Height: 5.9

Shipping Length: 12.0

Shipping Width: 12.0
California Proposition 65
WARNING: This product can expose you to chemicals that are known to the State of California to cause cancer and/or reproductive harm. For more information, visit www.P65Warnings.ca.gov.