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K&N Air Filter Cleaner and Degreaser: Power Kleen; 32 Oz Trigger Spray; Restore Engine Air Filter Performance, 99-0621

K&N Air Filter Cleaner and Degreaser: Power Kleen; 32 Oz Trigger Spray; Restore Engine Air Filter Performance, 99-0621

Q: Can I use this on my kn furnace filter

No, the K&N Air Filter Cleaner and Degreaser: Power Kleen 99-0621 is only for use on engine air filters. The correct cleaner for the K&N HVAC air filter is the 99-6010.

Q: Do they make this in aerosol form? Trigger will do fine I'm sure, just can't stand the small pump spray bottle.

I've never seen an aerosol form. the one I bought was just like the picture shown, like Windex or other household cleaners.

Q: I have 2 k&n filters and 1 aem dryflow filter. can i use the k&n to clean both, or should i only use the aem brand for the aem filter?

AEM filters are dry flow so you don't spray them with oil like the K&N's. The K&n cleaner is formulated to clean their filters, removing the old oil too. It would probably work fine on AEM,just being a little more harsh but why chance it. It could degrade the element over time. I'd use their stuff so as not to void any warranty. Better yet would be to get all K&N's and be done with it. One brand, one cleaner. Just a thought. Good luck.

Q: Will this work for cleaning a mass air flow sensor?

No!!! A simple search for “mass air flow sensor cleaner “ will yield some products.

Product ID: 2942104

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Details

Brand
K&N
Item Form
Spray
Scent
Unscented
Specific Uses For Product
Vehicle
Material Feature
Biodegradable

⚡Powerful degreasing action

💧Water-rinseable, residue-free

🛠️Restores filter efficiency

Frequently Bought Together

K&N Air Filter Cleaner and Degreaser: Power Kleen; 32 Oz Trigger Spray; Restore Engine Air Filter Performance, 99-0621, Black

K&N Air Filter Oil: Aerosol; Restore Engine Air Filter Performance and Efficiency, 99-0516, 347g(12.25 Oz), Black

K&N Air Filter Oil: 8 Oz Squeeze Bottle; Restore Engine Air Filter Performance and Efficiency, 99-0533

Description

⚡ Clean smarter, drive stronger — don’t let a dirty filter slow you down!

ECO FRIENDLY RINSE - Easily rinses away with water—no harsh chemicals left behind
COMPACT CONVENIENT - 32 oz trigger spray designed for effortless, mess-free application
WARRANTY SAFE FORMULA - Only K&N-approved cleaner to protect your filter’s lifespan
UNMATCHED CLEANING POWER - Dissolves tough oil and grime fast for a like-new filter feel
BOOST YOUR ENGINES BREATHABILITY - Restores airflow for peak engine performance and fuel efficiency

K&N Power Kleen is a 32 oz trigger spray degreaser specifically formulated to clean and restore K&N oiled cotton air filters. It quickly dissolves oil and grime buildup without leaving residue, ensuring your filter maintains optimal airflow and engine performance. Approved by K&N to protect your filter’s warranty, this powerful yet water-rinseable cleaner is essential for maintaining peak vehicle efficiency.

Specifications

Manufacturer	K&N Engineering
Brand	K&N
Item Weight	2.38 pounds
Product Dimensions	11.12 x 3.7 x 3.21 inches
Item model number	99-0621
Is Discontinued By Manufacturer	No
Manufacturer Part Number	99-0621
OEM Part Number	99-0621
Special Features	Residue Free
National Stock Number	6850-01-497-4553

Have a Question? See What Others Asked

Can I use this on my kn furnace filter

Do they make this in aerosol form? Trigger will do fine I'm sure, just can't stand the small pump spray bottle.

I have 2 k&n filters and 1 aem dryflow filter. can i use the k&n to clean both, or should i only use the aem brand for the aem filter?

Will this work for cleaning a mass air flow sensor?

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