• K&N FILTER E-3730 K&N High-Flow Original Lifetime Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3730
  • K&N FILTER E-3730 K&N High-Flow Original Lifetime Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3730
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K&N FILTER

K&N High-Flow Original Lifetime Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3730

K&N High-Flow Original Lifetime Engine Air Filter: High Performance, Premium, Washable, Industrial Replacement Filter, Heavy Duty: E-3730

K33E3730

$91.99
$91.99
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In stock
  • Genuine brand-name parts
  • Ships from US warehouse
  • 30-day returns
  • ENGINEERED POWER: State-of-the-art filtration media provides up to 50% more airflow than disposable paper filters to increase power and acceleration. Clogged or dirty air filters can reduce your vehicle’s acceleration by up to 10%
  • EASY INSTALLATION: Pre-oiled and ready to drop into your factory air box. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains
  • EASY INSTALLATION: Pre-oiled and ready to drop into your factory air box. One of the easiest and most cost-effective upgrades for your vehicle for quick performance gains
  • SAVES MONEY: K&N high-flow replacement air filters will save you $250 over 10 years by avoiding disposable filters
  • ECO-FRIENDLY: Using a washable, reusable product helps reduce replacement waste. A K&N filter will last longer than 10 disposable filters
  • WORLD CLASS PROTECTION: Pushing the limits of engine protection by protecting your engine from harmful contaminants
  • LOW-MAINTENANCE DESIGN: 50,000 miles before your first cleaning under normal highway driving conditions
  • HIGH QUALITY: Made in America
Brand K&N FILTER
Manufacturer part number E-3730
UPC / GTIN 24844019899
Weight 2.55 lb
Dimensions (L × W × H) 14.1 × 14.1 × 4.4 in
Category Engine & Drivetrain
Condition New — genuine brand-name part
Genuine brand-name part, full manufacturer warranty. Ships from the closest US warehouse — normally within 1–3 business days. Verify fitment with the manufacturer part number above; not sure? Send us your VIN and we’ll confirm before you order. 30-day returns on unused parts.

Shipping & delivery

Orders ship from the distributor warehouse closest to you, normally within 1–3 business days of purchase. Standard ground delivery takes 3–7 business days in the continental US; expedited options are shown at checkout. Oversized items (bumpers, running boards, large tonneau covers, some marine equipment) ship LTL freight — we contact you to schedule delivery and a signature is required.

Returns & warranty

Unused, uninstalled parts in original packaging can be returned within 30 days of delivery. A restocking fee of up to 20% may apply depending on the product and supplier, and return shipping is the buyer’s responsibility unless the item arrived defective, damaged or incorrect. Every product carries the full manufacturer warranty. Contact us with your order number to start a return.

Fitment & part numbers

Verify fitment with the manufacturer part number shown above and your vehicle’s year, make, model and trim. If the listing says “Fits select…”, confirm your exact application before ordering. Not sure? Send us your VIN and the part number and we’ll check it for you.

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