Buy 2003 Ford F-150 5.4L Triton V8 A/T 4WD XLT Standard Cab Pickup Stepside Exhaust Gas Recirculation EMISSION, Combustion - OEM Ford Part # 5C5Z9D475A (5C5Z-9D475-A)

Exhaust Gas Recirculation (EGR) Valve. Valve - Exhaust Gas RECIRCULAT.
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

Fits Aviator

Aviator.
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 2003 Ford F-150 to operate inefficiently and produce higher emissions. Our technicians have access to manufacturer-approved repair processes and Ford genuine parts.