This AEM DryFlow Air Filter Wrap is a reusable pre-filter cover designed to slip over a compatible cone or round air filter element to catch coarse dirt, debris, and moisture before it reaches the filter media. Built from silicone-treated black polyester, it measures 7-1/2in outside diameter at the base tapering to 5in at the top, standing 5in tall. It is sold individually and is a universal-fit accessory intended to extend service intervals on any AEM DryFlow or similarly sized clamp-on filter element.
Specifications:
- Type: Air Filter Wrap / Pre-Filter Cover
- Media: DryFlow, Silicone-Treated Polyester
- Reusable: Yes
- Base Outside Diameter: 7-1/2in
- Top Outside Diameter: 5in
- Height: 5in
- Color: Black
- Fitment: Universal
- Sold As: Each
- Part Number: AEM-1-4002
FAQ
What does the AEM Air Filter Wrap do?
It fits over a compatible cone or round air filter element as a pre-filter layer, catching coarse dirt, debris, and moisture before they reach the filter media, which helps extend the interval between filter cleanings.
What size filter does AEM-1-4002 fit?
This wrap is sized for filter elements with a base outside diameter of approximately 7-1/2in, tapering to 5in at the top, and standing 5in tall. Confirm the dimensions of the filter element before ordering.
Is the AEM Air Filter Wrap reusable?
Yes. It is made from silicone-treated black polyester designed to be reused and is sold as a single, universal-fit unit compatible with any properly sized filter element, regardless of vehicle make or model.

