1 2
  • Photo - Primary
  • Photo - Primary
  • Photo - lifestyle view
  • User 4
  • Photo - Unmounted
  • User 4
  • User 4
  • Logo Image

K&N 1 Gallon Heavy Duty DRYFLOW Cleaner

K&N 1 Gallon Heavy Duty DRYFLOW Cleaner

KNN99-0638

$39.99
$39.99
Request Price Match
  • Fully secure checkout
  • Trusted by thousands
  • Rated and reviewed
K&N 99-0638 is a 1 US gallon container of K&N Heavy Duty Air Filter Cleaner. It is the only cleaner recommended for cleaning heavy duty commercial grade air filters. This cleaner can be used to clean K&N heavy duty air filters for large turbo diesel engines, class 6-8 over-the-road trucks, agricultural and earth moving equipment, and diesel motor homes. The 99-0638 air filter cleaner will bring your K&N heavy duty air filter to like new condition. It works to dissolve dirt and grime caught by the hybrid filter material and, then it can be rinsed out with a hose or pressure washer.
Material Safety Data Sheet
Material Safety Data Sheet
Material Safety Data Sheet
Material Safety Data Sheet
MPN: 99-0638
⚠️ Proposition 65 Warning: This product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Learn more »
K&N 1 Gallon Heavy Duty DRYFLOW Cleaner

$39.99

FAQ

When does my order ship?

Most orders ship in 1–3 days, but some items may take longer due to demand and manufacturing delays. For urgent orders, please contact us to confirm stock before purchasing.

Are returns accepted?

Not satisfied? Return any item within 30 days. See our FAQ page for details.

Buy now pay later options available?

Yes. Pay later in installments with Affirm or PayPal Pay Later.

Do we offer price matching?

We’re happy to price match any legitimate listing from an authorized dealer, as long as the item is in stock and the price is current. We cannot match outdated or incorrect discounts based on old MSRP, since those prices are often errors the competitor cannot honor.