Buy OEM 2019 Mazda Part # BP3C20300A9U (BP3-C20-300A-9U, BP3C-20-300, BP3C-20-300A, BP3C20300, BP3C20300A). Exhaust Gas Recirculation (EGR) Valve. Protege. EGR Valve - Repair or Replace A failed EGR valve will often have no noticeable symptoms

Exhaust Gas Recirculation (EGR) Valve.
A Valve used to recirculate small amounts of Exhaust back into the combustion chambers of the engine in order to decrease the combustion temperature, thereby reducing the formation of smog-producing nitrogen oxides.

EGR Valve

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EGR Valve - Repair or Replace
A failed EGR valve will often have no noticeable symptoms beyond a check engine light, but it does cause your 2019 Mazda to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Mazda genuine parts.