[Note] Please check the part number and compare with pictures provided here before purchasing to ensure proper fitment. If your Ford truck or van from the 80s or 90s is throwing check engine lights or running rough, this SecosAutoparts knock sensor might be your solution. It's a direct replacement for OEM part numbers E3AZ-12A699-A, E1AF-12A699-A1A, and several others, so you know it's the right fit Compatible with: for Ford E-150 E-250 F-150 F-250 1986-1998 Packaging includes: 1 x Knock Detonation Sensor Genuine Ford F-150 Vehicle Speed Sensor F-150 F-250 Knock Sensor Ignition Knock (Detonation) Sensor For Ford F-150 Escape F-250 Super E-250 Knock Sensor Replacement [Package included] 1 x SKnock Sensor as picture show E3AZ12A699A - Ford Ignition Knock (Detonation) Sensor | Lakeland Ford Online Parts, Lakeland FL [Compatible with]Knock Detonation Sensor for Ford E-150 E-250 F-150 F-250 1986-1998 [Replacement]Knock Sensor for E3AZ-12A699-A,E1AF-12A699-A1A,E1AF-12A699-A2A, E9TF-12A699-AA, F0TZ-12A699-A and E3AF-12A699-AA.