Maintain the performance and airflow of your high-flow air filter with K&N Power Kleen Air Filter Cleaner. This 32 oz. trigger spray bottle (MPN 99-0621) contains an industrial-strength degreaser formulated specifically to break down the dirt, grime, and old oil trapped within K&N oiled cotton air filter elements. It is the only cleaner recommended by K&N to safely restore the filtration media without damaging the cotton fibers or epoxy-coated wire mesh.

• Specially formulated for K&N oiled cotton air filters
• Loosens and removes built-up road grime, dust, and contaminants
• Industrial-strength degreaser also effective on painted surfaces, chrome, and plastic
• Easy-to-use trigger spray bottle for uniform application
• Size: 32 oz. (946 ml)
• Manufacturer Part Number: 99-0621

To use, simply spray Power Kleen onto the filter element, allow it to soak for several minutes (without drying), and rinse clean with low-pressure water. Once the filter is completely dry, re-oil it using K&N air filter oil (sold separately) to return it to full service.

Restore your performance filter to peak efficiency with K&N Power Kleen Air Filter Cleaner. This industrial-strength degreaser is the only cleaner specifically recommended to maintain K&N oiled cotton air filter elements without damaging the media. The formula works by penetrating and dissolving heavy dirt buildup and old, saturated filter oil, allowing them to be easily rinsed away with water.

• Specially formulated for K&N oiled cotton filter elements
• Dissolves stubborn dirt, grime, and old filter oil
• Water-soluble formula for easy rinsing
• Safe for use as an industrial-strength degreaser
• Convenient 12-ounce pump spray bottle
• Manufacturer Part Number: 99-0606

Using non-approved cleaning solutions can compromise the integrity of the cotton gauze and may void the air filter's warranty. For a complete service, use this cleaner to prep the filter before applying fresh K&N air filter oil.

Maintain the high-flow performance and filtration efficiency of your oiled cotton gauze filters with this 1-gallon bulk container of K&N Air Filter Oil (MPN 99-0551). Specially formulated to work in tandem with the cotton fabric used in K&N filter elements, this oil is the critical component that allows the filter to trap microscopic contaminants while preserving optimal airflow.

Designed for easy application, the oil quickly penetrates deep into the filter pleats and remains suspended in the cotton fibers. This ensures consistent saturation across the entire surface area of the media until the filter is ready for its next cleaning cycle. This 128-ounce value size is ideal for race teams, service shops, or enthusiasts managing a fleet of vehicles equipped with performance intake systems.

• Engineered specifically for K&N oiled cotton gauze air filter elements
• High-penetration formula quickly saturates deep filter pleats
• Maintains filtration efficiency by trapping dust and debris in the oil-suspended fibers
• Economic 1 US gallon (128 oz) bottle for high-volume use
• Manufacturer Part Number: 99-0551

K&N Air Filter Oil (99-0533) is specifically formulated to restore the filtration efficiency of K&N cotton gauze air filter elements. This 8-ounce squeeze bottle provides a precise, convenient method for re-oiling your filter after cleaning. The specialized formula is designed to quickly penetrate and saturate the filter pleats, remaining suspended within the cotton fibers to effectively trap airborne contaminants without restricting airflow.

• 8 oz (237 ml) squeeze bottle for controlled application
• Specially formulated for use with K&N oiled cotton air filters
• Quickly penetrates filter pleats for uniform coverage
• Maintains saturation until the next scheduled cleaning
• Essential for restoring filtration performance and engine protection
• Manufacturer Part Number: 99-0533

Maintain the high-performance filtration and airflow of your K&N air filter with the K&N 99-0516 Air Filter Oil. This 12.25 ounce aerosol spray is specifically engineered to work in conjunction with the cotton gauze media found in K&N filter elements. Once applied, the oil rapidly penetrates deep into the filter pleats, where it remains suspended in the fabric to effectively trap dust, dirt, and contaminants before they reach your engine.

• Specially formulated for use with K&N cotton fabric air filter elements
• Convenient aerosol spray format ensures even coverage and easy application
• Deep-penetrating formula saturates filter pleats for maximum protection
• Oil stays suspended in the media until removed with K&N Air Filter Cleaner
• Restores filtration efficiency to maintain engine health and performance
• Size: 12.25 oz Aerosol Can
• Manufacturer Part Number: 99-0516

Maintain your performance intake system with K&N 99-0504 Aerosol Air Filter Oil. Specifically formulated to work with the cotton fabric used in K&N air filters, this oil is the critical component in creating a high-efficiency filtration barrier. The aerosol delivery system allows for even, precise application across the filter pleats to ensure no spots are left untreated.

The red-tinted oil quickly penetrates the cotton media and remains suspended to trap dust and contaminants until the next service interval. It is designed to stay in place under high-vacuum conditions, maintaining saturation until the element is cleaned with K&N Air Filter Cleaner. Using the correct oil is essential for ensuring your reusable filter meets its filtration and airflow specifications.

• Formulated specifically for K&N cotton gauze air filter elements
• Aerosol spray for fast, uniform saturation of filter pleats
• Distinct red color serves as a visual indicator for even coverage
• Highly penetrative formula stays suspended in fabric during use
• Size: 6.5 oz (184 g) Aerosol Can
• Manufacturer Part Number: 99-0504

Maintain the peak performance and longevity of your high-flow air filter with the Injen Pro Tech Charger Kit. While cotton-gauze filters excel at capturing debris according to ISO 5011 testing standards, they eventually become restricted as contaminants build up. This two-stage maintenance system is engineered to safely lift trapped dirt and restore the original airflow characteristics of your intake.

• Heavy-Duty Cleaner: Specifically formulated to loosen and emulsify stubborn dirt and debris trapped deep within the filter pleats without damaging the cotton media.
• Proprietary Red Oil: Features a red dye indicator to ensure even coverage across the filter surface, preventing the common mistake of over-oiling which can interfere with MAF sensor readings.
• Universal Compatibility: Designed for direct use on any oiled cotton gauze air filter on the market.
• Warning: Not for use with Injen SuperNano-Web dry media filters. Using oil or cleaner on dry media will void the warranty.
• Origin: Manufactured in Pomona, California, USA.

Each kit includes one aerosol cleaner and one aerosol charger oil with exclusive tackifiers to trap the smallest particles.

Maintain the performance and longevity of your intake system with the Cobb Universal Air Filter Cleaning Kit. Specifically formulated for high-flow filters using green oiled media, this maintenance kit provides the necessary chemistry to strip away accumulated dirt, debris, and spent oil without compromising the integrity of the cotton gauze pleats.

Periodic servicing is critical for oiled filters to ensure they maintain maximum airflow and filtration efficiency. This kit allows you to restore your filter to like-new condition, helping to prevent engine vacuum loss and maintaining consistent MAF sensor readings. Whether you are servicing a Cobb SF Intake or another universal performance filter, this kit (MPN 700200-GR) provides a precise color match for your existing green media.

• Manufacturer Part Number: 700200-GR
• Compatibility: Universal for oiled cotton gauze filters
• Oil Color: Green
• Function: Cleans and re-oils performance filter media

Maintain the performance and longevity of your high-flow intake system with the Cobb Universal Air Filter Cleaning Kit. Designed specifically for reusable cotton gauze air filters, this kit (MPN 700200-CL) provides the essential components to restore original airflow and filtration efficiency after the filter becomes loaded with road grime and debris.

The cleaning process involves a two-step system. First, the specialized cleaning solution breaks down accumulated contaminants and old oil without damaging the delicate filter media. After rinsing and drying, the clear filter oil is applied to restore the tackiness required to trap microscopic particles. This clear oil formulation is ideal for enthusiasts who prefer to maintain the natural look of their filter media without the red or blue tints common in other recharge kits.

• Restores airflow and filtration efficiency to reusable cotton gauze filters
• Two-part system includes specialized cleaner and clear recharge oil
• Clear oil formula maintains original filter appearance without added dyes
• Easy-to-use spray applicators ensure even coverage during maintenance
• Manufacturer Part Number: 700200-CL

Maintain the efficiency and longevity of your performance intake system with the Cobb Universal Air Filter Cleaning Kit. Specifically formulated for high-flow filters requiring blue-tinted oil, this maintenance system provides everything needed to restore your filter to peak operating condition. Over time, dust and debris saturate the filter media, restricting airflow and reducing engine performance; this kit removes that buildup and restores the filter's critical trapping capabilities.

This two-stage process uses a specialized cleaner to break down dirt and old oil, followed by a fresh application of blue-tinted filter oil. Regular maintenance ensures your engine continues to breathe clean air without the restriction of a clogged element.

• Restores Performance: Clears trapped contaminants to return the filter to its original flow characteristics.
• Complete Maintenance Solution: Includes one bottle of filter cleaner and one bottle of blue-tinted filter oil.
• Broad Compatibility: Designed for use with most oiled cotton gauze performance filters.
• Manufacturer Part Number: 700200-BL