The ASTRA 00126231 is a genuine OEM red button air valve designed for pneumatic systems in ASTRA and IVECO heavy-duty vehicles. This essential component ensures precise control of air flow, critical for various vehicle functions. It is cross-referenced as IVECO part number 42533247 and is compatible with ASTRA H, HD, HDP, AD, RD models, as well as IVECO EuroCargo, EuroStar, EuroTech, EuroTrakker, Stralis, and Trakker series.