Sorry, there are no Emission Control that fit your
1999 Ford E-250 Econoline.
Delphi 4-wire OE Replacement Oxygen Sensor
Delphi Oxygen Sensors are engineered to match and operate exactly as your original automotive part as they are specially designed to meet and even exceeds Original Equipment (OE) parts specifications. It is recommended to change and reduce the probability of damage to other sort of car or truck parts.