File talk:Oilfilter Automotive Internal.png
Coil at the very bottom requires a more specific name
[edit]
"Spring" alone doesn't explain its function and neither do the German nor the English article. As shown here the "Spring" would load axial force on to the housing, forcing it and the rubber-gasket away from the engine, to which the inner parts (filter, filter-support, valves) are screwed to. --84.190.203.209 (talk) 20:42, 9 February 2018 (UTC)
