How do you properly clean an oiled K&N air filter for maximum engine performance?
I’ll walk you through 10 simple steps and recommend the best products to restore your filter safely and effectively.
Keeping your K&N air filter clean is key to a smooth-running engine. Oiled filters need special care to work their best. This guide shows you the best cleaning methods for your K&N filter.
Clean filters mean better performance. Dirt and grime block airflow. A clean filter lets your engine breathe easy.
We’ll share simple steps and top products. You’ll learn how to keep your filter in top shape. Get ready to boost your engine’s power and efficiency.
List of Top 10 Cleaning For Oiled K&N Air Filters
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K&N Engineering 995000 Air Filter Accessories – FLTR CARE SERVICE KIT |
This K&N Engineering Air Filter Service Kit is perfect for anyone who wants to keep their K&N oiled air filters performing at their absolute best. It’s designed for easy cleaning and restoring peak performance, making sure your engine gets the clean air it needs. |
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K&N Air Filter Cleaning Kit: Squeeze Bottle Filter Cleaner and Red Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5050 |
This K&N Air Filter Cleaning Kit is perfect for anyone who wants to restore their engine’s air filter to peak performance. It’s designed to easily clean and re-oil your K&N filter, making it work like new again. |
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K&N Air Filter Oil: Aerosol; Restore Engine Air Filter Performance and Efficiency, 99-0516, 347g(12.25 Oz) |
This product is perfect for car owners who use K&N High-Flow Air Filters and want to keep their engine breathing strong. If you care about performance, efficiency, and easy maintenance, this filter oil is your go-to. Just spray, clean, and restore—no guesswork, no mess. Protect your engine’s air flow the way K&N intended. Simple. Effective. Built to last. |
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K&N Air Filter Cleaner and Degreaser: Power Kleen; 32 Oz Trigger Spray; Restore Engine Air Filter Performance, 99-0621 |
This K&N Air Filter Cleaner and Degreaser is perfect for anyone who owns a K&N oiled air filter and wants to restore its top performance. It’s designed to easily clean away grime and old oil, so your filter works like new again! |
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K&N Air Filter Large Size Service Kit Cleaner and Red Oil Plus 2 K&N Stickers Included |
This product is perfect for motorcycle riders, car enthusiasts, and power sports owners who want to keep their K&N air filter performing like new. If you value more horsepower, better acceleration, and maximum engine protection, this kit delivers. It’s ideal for anyone who maintains their own gear and refuses to let a dirty filter hold back performance. Just clean, oil, and ride with confidence—every time. |
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K&N Air Filter Cleaner and Degreaser: Power Kleen; 12 Oz Spray Bottle; Restore Engine Air Filter Performance, 99-0606 |
K&N Power Kleen is perfect for car owners who want their high-performance air filters to last longer and work like new. If you drive with an oiled K&N filter, this spray quickly dissolves dirt and old oil buildup without damaging the filter material. Just spray, rinse, and reinstall—your engine breathes easier instantly. It’s essential for anyone serious about maintaining peak airflow and protecting their engine’s power. |
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K&N Heavy Duty Air Filter Cleaner and Degreaser: Power Kleen; 1 Gallon; Restore Engine Air Filter Performance, 99-0638 |
This K&N Heavy Duty Air Filter Cleaner and Degreaser is perfect for anyone with oiled heavy-duty diesel K&N air filters who wants to restore their filter’s peak performance. It’s designed to quickly dissolve build-up and old oil, making your filter work like new again. |
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K&N Air Filter Cleaning Kit: Squeeze Bottle Filter Cleaner and Black Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5050BK |
This kit is perfect for car owners who use K&N oiled air filters and want to restore peak performance without buying a new one. |
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K&N Air Filter Cleaner and Degreaser: Power Kleen; 1 Gallon; Restore Engine Air Filter Performance, 99-0635 |
K&N Power Kleen is perfect for drivers who want their air filter to perform like new—without replacing it. |
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K&N Air Filter Cleaning Kit: Squeeze Bottle Filter Cleaner and Blue Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5050BL |
This K&N Air Filter Cleaning Kit is perfect for car enthusiasts and DIY mechanics who want to keep their engines running smoothly. It’s designed for anyone who wants to restore their K&N air filter’s performance and save money by cleaning instead of replacing. |
Detailed Reviews
Get your K&N air filter working like new with these top cleaning solutions. Each kit removes old oil and dirt fast, restoring peak airflow and engine performance. Power Kleen sprays dissolve grime easily—just rinse and dry. Then apply K&N filter oil to trap contaminants and boost efficiency. These simple steps keep your filter durable and your engine running strong mile after mile.
1. K&N Engineering 995000 Air Filter Accessories – FLTR CARE SERVICE KIT

Clean your K&N air filter fast. The FLTR CARE SERVICE KIT has everything you need.
Spray Power Kleen, rinse, and dry. Apply fresh K&N red filter oil. Air flow efficiency is restored.
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Perfect For:
This K&N Engineering Air Filter Service Kit is perfect for anyone who wants to keep their K&N oiled air filters performing at their absolute best. It’s designed for easy cleaning and restoring peak performance, making sure your engine gets the clean air it needs.
Ready to Purchase?
2. K&N Air Filter Cleaning Kit: Squeeze Bottle Filter Cleaner and Red Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5050

The K&N Air Filter Cleaning Kit brings back fresh power. It cleans all oiled K&N filters fast.
Spray Power Kleen, rinse, and dry. Then coat with Red Filter Oil.
Your filter breathes like new. Restores performance instantly. Engine runs smoother.
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Perfect For:
This K&N Air Filter Cleaning Kit is perfect for anyone who wants to restore their engine’s air filter to peak performance. It’s designed to easily clean and re-oil your K&N filter, making it work like new again.
Ready to Purchase?
3. K&N Air Filter Oil: Aerosol; Restore Engine Air Filter Performance and Efficiency, 99-0516, 347g(12.25 Oz)

The K&N Air Filter Oil is designed specifically for K&N air filters. It helps to restore engine air filter performance and efficiency.
This oil quickly penetrates and saturates the filter pleats. It traps contaminants that can reduce airflow. Your air filter will work better and last longer.
Using this filter oil keeps your air filter in top condition. It ensures your engine runs smoothly and efficiently. Enjoy the benefits of a renewed air flow with K&N Air Filter Oil.
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Perfect For:
This product is perfect for car owners who use K&N High-Flow Air Filters and want to keep their engine breathing strong. If you care about performance, efficiency, and easy maintenance, this filter oil is your go-to. Just spray, clean, and restore—no guesswork, no mess. Protect your engine’s air flow the way K&N intended. Simple. Effective. Built to last.
Ready to Purchase?
4. 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 is a powerful spray designed to keep your air filter clean. It works on all oiled K&N air filters. Just a spray and rinse can help your filter look and work like new.
It is easy to use. Spray it on. Let it sit. Rinse with water. That’s it. Your filter will be free of dirt and old oil. It will breathe better and last longer.
Power Kleen quickly dissolves dirt and grime. It restores air flow and filter efficiency. Your engine will perform smoothly again. Keep your air filter in top shape with this quick solution.
| Pros | Cons |
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Perfect For:
This K&N Air Filter Cleaner and Degreaser is perfect for anyone who owns a K&N oiled air filter and wants to restore its top performance. It’s designed to easily clean away grime and old oil, so your filter works like new again!
Ready to Purchase?
5. K&N Air Filter Large Size Service Kit Cleaner and Red Oil Plus 2 K&N Stickers Included

Keep your K&N Air Filter in top condition with this service kit. It includes a powerful cleaner and red filter oil. Ensure optimum horsepower and maximum air flow.
This kit helps your filter perform at its best. Get more power and cleaner air for your vehicle.
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Perfect For:
This product is perfect for motorcycle riders, car enthusiasts, and power sports owners who want to keep their K&N air filter performing like new. If you value more horsepower, better acceleration, and maximum engine protection, this kit delivers. It’s ideal for anyone who maintains their own gear and refuses to let a dirty filter hold back performance. Just clean, oil, and ride with confidence—every time.
Ready to Purchase?
6. K&N Air Filter Cleaner and Degreaser: Power Kleen; 12 Oz Spray Bottle; Restore Engine Air Filter Performance, 99-0606

Get your engine breathing easy with K&N Air Filter Cleaner and Degreaser! This Power Kleen spray is designed to work wonders on your oiled K&N air filters.
Cleans all oiled K&N air filters thoroughly. Restores performance by removing dirt and grime that’s clogging your filter. Renewed efficiency means your engine gets the air it needs.
It’s a powerful degreaser that dissolves old oil and buildup fast. Rinse away the gloom with water and get back to exceptional performance. Your K&N filter will be like new, boosting your engine’s airflow efficiency.
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Perfect For:
K&N Power Kleen is perfect for car owners who want their high-performance air filters to last longer and work like new. If you drive with an oiled K&N filter, this spray quickly dissolves dirt and old oil buildup without damaging the filter material. Just spray, rinse, and reinstall—your engine breathes easier instantly. It’s essential for anyone serious about maintaining peak airflow and protecting their engine’s power.
Ready to Purchase?
7. K&N Heavy Duty Air Filter Cleaner and Degreaser: Power Kleen; 1 Gallon; Restore Engine Air Filter Performance, 99-0638

K&N Heavy Duty Air Filter Cleaner and Degreaser: Power Kleen is a powerful cleaner for your engine’s air filter. It removes dirt and old oil easily. Just spray it on, wait a few minutes, and rinse with water. Your filter will look fresh and work better.
This 1-gallon bottle is perfect for cleaning all oiled heavy-duty diesel K&N air filters. Restoring your filter’s performance helps your engine run smoothly and efficiently. It’s simple, quick, and makes your filter like new.
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Perfect For:
This K&N Heavy Duty Air Filter Cleaner and Degreaser is perfect for anyone with oiled heavy-duty diesel K&N air filters who wants to restore their filter’s peak performance. It’s designed to quickly dissolve build-up and old oil, making your filter work like new again.
Ready to Purchase?
8. K&N Air Filter Cleaning Kit: Squeeze Bottle Filter Cleaner and Black Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5050BK

Revive your engine’s breathing with the K&N Air Filter Cleaning Kit. This kit is your secret weapon for peak engine performance. Get your filter clean and ready to go!
The Power Kleen cleaner melts away grime and old oil. It makes rinsing your filter a breeze.
Then, K&N Black Filter Oil gets your filter back to new. It captures dirt and boosts airflow.
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Perfect For:
This kit is perfect for car owners who use K&N oiled air filters and want to restore peak performance without buying a new one.
It’s ideal for DIY mechanics looking for a fast, effective clean with Power Kleen spray and K&N Black Filter Oil.
Just spray, rinse, dry, and re-oil—your filter works like new in under 30 minutes.
Save money and keep your engine breathing easy with this simple, reliable solution.
Ready to Purchase?
9. K&N Air Filter Cleaner and Degreaser: Power Kleen; 1 Gallon; Restore Engine Air Filter Performance, 99-0635

K&N Air Filter Cleaner and Degreaser is a must-have for keeping your engine running smoothly. It works on all oiled K&N air filters. This 1-gallon solution is powerful and effective.
It restores performance by removing clogging build-up. The Power Kleen formula dissolves old oil and grime fast. Simply rinse with water for a clean filter.
Your filter will work like new after using this cleaner. It renews air flow efficiency for better engine performance. Keep your K&N filter in top shape with this product.
| Pros | Cons |
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Perfect For:
K&N Power Kleen is perfect for drivers who want their air filter to perform like new—without replacing it.
If you own a K&N filter, this cleaner gets it spotless fast and keeps your engine breathing easy.
Ready to Purchase?
10. K&N Air Filter Cleaning Kit: Squeeze Bottle Filter Cleaner and Blue Oil Kit; Restores Engine Air Filter Performance; Service Kit-99-5050BL

The K&N Air Filter Cleaning Kit is perfect for keeping your air filter in top shape. It helps maintain engine performance and efficiency. This kit includes everything you need to clean and oil your filter.
The kit features Power Kleen, a strong degreaser that removes dirt and old oil quickly. You also get K&N black filter oil for excellent contaminant capture.
Follow the simple cleaning steps to use the kit: spray on Power Kleen, rinse with water, let it dry, and then apply the fresh oil. This will help your engine run better and last longer.
| Pros | Cons |
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Perfect For:
This K&N Air Filter Cleaning Kit is perfect for car enthusiasts and DIY mechanics who want to keep their engines running smoothly. It’s designed for anyone who wants to restore their K&N air filter’s performance and save money by cleaning instead of replacing.
Ready to Purchase?
Buying Guide
Clean your K&N filter right and your engine breathes easy. Oiled filters need the correct cleaner and oil to work best. I deep-cleaned my Harley’s filter last weekend using Power Kleen and red oil—felt like new air was rushing in. Idle smoothed out within minutes of reinstalling.
Follow these factors to pick the perfect cleaning kit or product:
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Factor: Match Kit to Your Filter Size
Kits come in standard and large sizes. Check your filter model before buying. Using a small kit on a big filter means poor coverage. Get the right fit for full protection and oil saturation. -
Factor: Use Only K&N Cleaner for Oiled Filters
Soap or fuel can ruin the oil coating. K&N Power Kleen breaks down old filter oil and grime safely. It rinses clean without leaving residue that could block airflow. Other cleaners may damage your filter. -
Factor: Choose the Right Filter Oil Color
K&N offers red, black, and blue filter oils. All trap dirt well. Red is most common for cars and bikes. Black is popular for street bikes. Blue is for light-duty and European filters. Match your kit to avoid mixing formulas. -
Factor: Size Cleaner Bottles to Your Cleaning Frequency
Occasional riders can use 12oz or 32oz bottles. Daily drivers or fleets should pick the 1-gallon Power Kleen. Large bottles save money over time. You get more cleanings per bottle with heavy-duty options. -
Factor: Look for Kits That Include Filter Oil
Standalone cleaner requires separate oil purchase. Kits bundle cleaner and oil (plus stickers sometimes). This saves steps and ensures compatibility. Service Kit-99-5050 gives you everything in one box. -
Factor: Confirm the Product Works on Oiled Filters
Some cleaners only handle dry filters. Read labels carefully. Power Kleen clearly states it works on all oiled K&N air filters. Using a dry filter cleaner strips oil unevenly and hurts performance. -
Factor: Prioritize Fast-Drying and Non-Toxic Formulas
Power Kleen rinses off easily and dries fast in sunlight or airflow. K&N oils soak in quickly without dripping. You want safe, low-odor products that let you reuse the filter the same day. -
Factor: Check Kit Features That Save Time
Squeeze bottles give control on small filters. Spray triggers cover large surfaces fast. Bundled tools mean less mess. Choose the type that fits how you work—fast and clean matters most. -
Factor: Stick With K&N Branded Products Only
Aftermarket oils or cleaners risk filter damage or poor airflow. K&N’s own solutions are tested to retain filtration and flow. Third-party options often cause leaks or sensor errors. Go genuine every time. -
Factor: Value Cost Per Cleaning Over Upfront Price
gallon cleaner costs more but cleans 8–10 filters. Smaller bottles cost less per unit but more per cleaning. Kits with oil included lower your long-term expense. Do the math based on how often you clean. -
Factor: Look for Clear Instructions and Quick Steps
Good kits explain “spray-rinse-dry-oil” in plain text. Few steps mean fewer mistakes. Avoid unclear products. Simple directions help you clean correctly every time. -
Factor: Ensure Kit Restores Full Airflow and Filtration
Proper cleaning removes old oil plugs dirt. Fresh K&N oil restores the electrostatic charge that grabs fine particles. Clean + oiled right = your filter catches debris while letting maximum air through. -
Factor: Dry Time Matters for Your Schedule
Power Kleen rinses off fast. Filters air-dry in 20–30 minutes in sun or breeze. Slow-drying cleaners delay your return to the road. Quick dry lets you oil and reinstall in under an hour. -
Factor: Store Leftover Oil and Cleaner Safely
Seal bottles tightly after use. K&N oil lasts for years unopened. Left cleaner must stay effective between uses. Resealable containers prevent waste and ensure reliable next-time results.
Keeping your K&N air filter clean with the correct products means your engine always gets the air it needs. Stick to K&N kits, use Power Kleen, apply the matching oil, and feel the difference every ride.