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Home / Intake & Filtration / Recharge Kits / K&N 1 Gallon Heavy Duty DRYFLOW Cleaner
K&N 1 Gallon Heavy Duty DRYFLOW Cleaner
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K&N Engineering

K&N 1 Gallon Heavy Duty DRYFLOW Cleaner

PART 99-0638CATEGORY Recharge Kits
$39.99
$39.99
1

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Product information

Manufacturer information. Check the part number and installation requirements for your vehicle.

Supplier details checked 2026-09-23 · Test catalog

Some supplier details are unavailable for this product.

Product description

K&N's heavy duty air filter cleaner helps break down dirt and grime caught by the hybrid filter material so it can be rinsed out with a hose or pressure washer. Comes in a 1 gallon container.

Heavy Duty Filter Cleaner, DryFlow 1 gal, 128 oz

Heavy Duty Filter Cleaner; DryFlow 1 gal; 128 oz

CLEANER; H/D DRYFLOW 1 GAL; 128 OZ

Features

Washes Away With Water

Supplier category
Air Intake Systems
Supplier subcategory
Recharge Kits
UPC / barcode
024844277756
Units per product
1
Supplier Proposition 65 status
Y
Supplier EPA status
N/A
Air freight prohibited
Yes
Not CARB approved
No
CARB acknowledgement required
No
Freight delivery required
No
Powersports product
No

Manuals and documents

More manufacturer information

Other product descriptions

Heavy Duty Filter Cleaner, DryFlow 1 gal

Heavy Duty Filter Cleaner; DryFlow 1 gal

K&N 1 Gallon Heavy Duty DRYFLOW Cleaner

Heavy Duty Filter Cl

Cleaner

About the manufacturer

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.

Additional manufacturer information

Air Filter Cleaner

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K&N 1 Gallon Heavy Duty DRYFLOW Cleaner | Q40 Motorsports