Car dumps English fruit (6)

I believe the answer is:

citron

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'fruit' is the definition.
(citron is a kind of fruit)

I don't understand the rest of the clue.

(Other definitions for citron that I've seen before include "It's like a lemon" , "Tree producing fruit" , "Large lemon-like fruit" .)

I've seen this clue in The Guardian.

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