K 2500 Suburban 4WD V8-454 7.4L VIN N TBI (1995)
EGR Valve: Application and ID
EGR Valve ID
Linear EGR Valve Markings
Linear EGR Label Location
EGR VALVE IDENTIFICATION
1. Positive backpressure EGR valves will have a "P" stamped on the top side of the valve after the part number should not be used.
2. Negative backpressure EGR valves will have a "N" stamped on the top side of the valve after the part number.
3. Port EGR valves have no identification stamped after the part number.
4. Linear EGR valves look like a small motor.