Remanufactured Smog Air Pump Application Requires Two Pumps. Pumps Mounted on Bottom would be LOWER Lower Pump with Federal Emissions System Pump Stamped FT
1986 GMC P3500 equipped with 7.4L V8 Gas OHV
Remanufactured Smog Air Pump Application Requires Two Pumps. Pumps Mounted on Bottom would be LOWER Lower Pump with Federal Emissions System Pump Stamped FT