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AEM Air Intake Accessories

AEM’s patented air bypass valve virtually eliminates the chance of hydro-lock in the event the filter of your AEM Cold Air induction system becomes submerged in water. The valve installs along the upper portion of the inlet pipe and shuts down induction at the filter when it becomes submerged, rerouting air through its external diaphragm to keep water out and air flowing in.

AEM Air Intake Bypass Valve
AEM Air Intake Replacement Filte

AEM manufactures its air filter elements. Their four-layer cotton-gauze filter elements deliver superior filtration and feature an integral air horn for improved flow. A special molding process and urethane body ensure that your AEM filter element lasts for the life of your vehicle (when maintained properly and cleaned using AEM's Filter Cleaning System)

Service your AEM filter element with AEM's Filter Cleaning System at least every 50,000 miles or 30 months to maintain optimum performance. We recommend that AEM filter elements be serviced every 25,000 miles or 15 months on off-road and high-performance street applications. If you live in a region with extremely fine dust (arid or desert climates for example, follow the recommended schedule for off-road and high-performance vehicles. Always inspect your filter element whenever you change your oil.

AEM Air Intake Filter Cleaning System
Part # Air Filter Cleaning Kits Price
21-110 Dryflow Air Filter Cleaning System $9.28
21-100 Oiled Air Filter Cleaning System $9.28
Part # Air Bypass Valves Price
20-400S AIR BY-PASS VALVE 2.25" W/CLIP $49.96
20-401S AIR BY-PASS VALVE 2.50" W/CLIP $49.96
20-402S AIR BY-PASS VALVE 2.75" W/CLIP $49.96
20-403S AIR BY-PASS VALVE 3.00" W/CLIP $49.96
Part # Replacement Air Filters Price
21-200DK 2.25 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element $44.81
21-201DK 2.50 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element $44.81
21-201D-HK 2.50 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element (w/Hole for Air Intake Temp Sensor) $44.81
21-2019DK 2.50 in. Inlet Dryflow Air Filter, Round, 9 in. Long Element $49.63
21-202DK 2.75 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element $44.81
21-202D-HK 2.75 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element (w/Hole for Air Intake Temp Sensor) $44.81
21-2029DK 2.75 in. Inlet Dryflow Air Filter, Round, 9 in. Long Element $49.63
21-203DK 3.00 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element $44.81
21-203D-HK 3.00 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element (w/Hole for Air Intake Temp Sensor) $44.81
21-2038DK 3.00 in. Inlet Dryflow Air Filter, Round, 8 in. Long Element $49.14
21-2039DK 3.00 in. Inlet Dryflow Air Filter, Round, 9 in. Long Element $49.63
21-2110DK 3.25 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element $43.72
21-2109DK 3.25 in. Inlet Dryflow Air Filter, Round, 9 in. Long Element $49.63
21-204DK 3.50 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element $44.81
21-2049DK 3.50 in. Inlet Dryflow Air Filter, Round, 9 in. Long Element $49.63
21-2259DK 4.00 in. Inlet Dryflow Air Filter, Oval, 9 in. Long Element $72.67
21-205DK 4.00 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element $44.81
21-2059DK 4.00 in. Inlet Dryflow Air Filter, Round, 9 in. Long Element $49.63
21-3059DK 4.00 in. Inlet Dryflow Air Filter, Round, 9 in. Long Element, 1 in. PLEAT $49.63
21-206DK 4.50 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element $44.81
21-2069DK 4.50 in. Inlet Dryflow Air Filter, Round, 9 in. Long Element $49.63
21-2277DK 5.00 in. Inlet Dryflow Air Filter, Oval, 7 in. Long Element $72.67
21-2279DK 5.00 in. Inlet Dryflow Air Filter, Oval, 9 in. Long Element $87.22
21-207DK 5.00 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element $44.81
21-2079DK 5.00 in. Inlet Dryflow Air Filter, Round, 9 in. Long Element $49.63
21-208DK 5.50 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element $44.81
21-2089DK 5.50 in. Inlet Dryflow Air Filter, Round, 9 in. Long Element $49.63
21-209EDK 6.00 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element $44.81
21-209ED-HK 6.00 in. Inlet Dryflow Air Filter, Round, 5 in. Long Element (w/Hole for Air Intake Temp Sensor) $44.81
21-2100DK 6.00 in. Inlet Dryflow Air Filter, Round, 8 in. Long Element $49.63
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