Upstream Oxygen Sensor 234-3007 O2 Sensor 1 for 1988-1989 Ford F-350 XLT - 7.5L, for 1987-1989 Ford F-250 XL - 5.0L, for 1987-1989 Ford F-150 Custom - 5.0L COMPATIBLE WITH OEM: 2131167, 2343007, E73Z9F472A Length (Sensor to Lead): 500 mm. Wires: 3 Upstream o2 sensor 1 for 1987-1989 Ford F-150 XLT - 5.0L Pre-cat oxygen sensor 1 for 1988-1989 Ford F-250 Custom - 5.8L Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchase. Warranty: 1 year unlimited miles.