Exhaust Gas Recirculation Valve Identification

- Negative backpressure EGR valves will have an "N" stamped on the top side of the valve after the part number.
- Positive backpressure EGR valves will have a "P" stamped on the top side of the valve, after the part number.
- Port EGR valves have no identification stamped after the part number.
When replacing an EGR valve, always check for correct part number in the parts catalog.