K&N 85-1120 air filter vent kit with 1/4 thick reinforced neoprene vent adapter. Universal adapters for smog tubes, crankcase, and valve cover vents. Requires drilling a hole in air filter base or...

K&N 85-1662 marine style vent hose adapter for custom chrome air filter assemblies. Mounts between top and bottom plates without drilling into the filter base. Accommodates 0.625in hose size...

K&N 85-2003 pre-cut foam insert for 2017-2019 Ford F-250, F-350, F-450, and F-550 Super Duty (DSL models). Replaces OEM foam block for improved filtration in your diesel truck air box. Washable and...

K&N 85-6004 Apollo mounting bracket assembly securely supports K&N Universal, Apollo, or Orion air filters. Includes tube bracket, L bracket, hose clamp, screw, nut, washer, and grommet for stable...

K&N 85-83897 package of 6 black spring clips for K&N universal air box assemblies. Each clip is 3/4 inches wide and 4.45 inches long to create a positive seal between filter, base, and top.Features:6...

K&N 99-0504 6.5 ounce aerosol air filter oil specially formulated for K&N cotton gauze air filters. Quickly penetrates and saturates the filter pleats for superior filtration and performance. Red...

K&N 99-0516 12.25 ounce aerosol air filter oil for K&N cotton air filters. Larger size for multiple applications. Special formula saturates pleats to trap contaminants while allowing high airflow...

K&N 99-0533 8 ounce squeeze bottle air filter oil for easy application on K&N cotton gauze filters. Penetrates deeply to maintain filtration efficiency and performance.Benefits:Squeeze bottle for...

K&N 99-0551 1 gallon air filter oil for high-volume users or shops. The only oil formulated for K&N cotton air filters to provide superior filtration and long service life.Features:Value 1 gallon...

K&N 99-0555 5 gallon pail of air filter oil for commercial or high-volume use. Specially formulated to work with K&N cotton media for maximum performance and protection.Benefits:Large 5 gallon...

K&N 99-0606 12 ounce pump spray Power Kleen air filter cleaner. Dissolves dirt, old oil, and grime from K&N cotton air filters so they can be rinsed clean with water. Also works as an industrial...

K&N 99-0621 32 ounce trigger sprayer Power Kleen air filter cleaner. Loosens and removes dirt and old oil from K&N filters for thorough rinsing. Excellent industrial strength degreaser for multiple...