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K&N 7-5/16in X 5-3/4in 2-5/8in

K&N Engineering · New

K&N 7-5/16in X 5-3/4in 2-5/8in

MPN E-3987 · Store SKU knnE-3987

$83.99
CHECK AVAILABILITY0 in supplier warehouses. Ask JuiceBuilt about availability.

Supplier stock checked 11/7/2026, 12:06:33 PM UTC. Adding a part does not reserve it.

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Request a return within 30 calendar days after delivery. New parts must be unopened and unused.

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Free standard shipping on eligible parts orders of $100 or more. Oversized and freight items excluded. Fitment, taxes, availability and final totals are confirmed before payment.

Product details

The K&N E-3987 is a replacement air filter for K&N Street Shaker Air Intake Systems for Harley-Davidson V-Twin Motorcycles. K&N air filters are washable and reusable, designed to improve performance and protection. K&N washable and reusable replacement filter for Street Shaker Air Intakes Custom Air Filter

Manufacturer fitment & guides

Check E-3987 against the manufacturer’s application information below.

A manufacturer application guide is not available for this listing. Request the exact application from JuiceBuilt before payment.

Part-specific notes

  • Not CARB approved. Destination and intended-use restrictions must be checked before sale.
  • Emissions acknowledgement required before purchase.
  • California Proposition 65: Y
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