1. Choose Your Protection Level
Maximum Protection—Pair of AeroMags
Powerful Protection—Single AeroMag
2. Choose your size based on
- Measure the diameter of your filter, or
- Search for your filter’s diameter at a filter manufacturer’s website.
AeroMag models come in two sizes: Medium (AM300) and Large (AM365).
No matter what the size, pairs cost the same, and singles cost the same.
Small (AM290) fits most Rotax engines with oil filters from 2.5 in. (64mm) to 2.8 in. (71mm) in diameter.
Medium (AM300) fits 3.0 in. (76mm) oil filters at least 2.625 in. (67mm) tall.
Large (AM365) fits most Continental and Lycoming engines with at least a 3.625 in. (92mm) diameter oil filter.