De or het gas-deksel?

The correct Dutch article is:

het gas-deksel

Rule Words ending in -sel: usually het. See the rule

This word is not in the word lists we use to double-check answers.

How to use gas-deksel

the gas-dekselhet gas-deksel
this gas-dekseldit gas-deksel
that gas-dekseldat gas-deksel
our gas-dekselons gas-deksel
your gas-dekseljouw gas-deksel
every gas-dekselelk gas-deksel
which gas-deksel?welk gas-deksel?
a big gas-deksel / the big gas-dekseleen groot gas-deksel, het grote gas-deksel