Adblue Injector 1.6 HDi engines. Fits in catalytic converter - Models with Peugeot and Citroen 1.6 HDi engines that use Adblue. Citroën DS4 2011-2015. Citroën DS5 2011-2015. Citroën DS3 2009-2015. Citroën C4 2009-2020.
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