Spectra Premium Oxygen Sensor OS5139 for 1995-1999 Ford/Mercury 2.5L (Contour, Mystique, Cougar)
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The Spectra Premium Oxygen Sensor (part number OS5138) is a direct-fit replacement for 1996-1999 Ford and Mercury vehicles with 2.5L and 2.0L engines.
Specifications:
| Sensor Type | Wide-Band |
| Number of Wires | 4 |
| Connector Type | Bullet |
| Connector Shape | Round |
| Connector Gender | Male |
| Terminal Gender | Male |
| Mounting Style | Screw |
| Thread Size | M18 - 1.5 |
| Hex Size (mm) | 0.875 |
| Heated | Yes |
| Fit Type | Direct Fit |
| Wire Length (mm) | 16 mm |
| Wire Gauge (AWG) | 20 AWG |
Fits: 1996-1999 Ford and Mercury models including Contour, Mystique, Cougar - 2.5L and 2.0L engines. Confirm your year, make, model, and engine before ordering.
Fitment Notes: To Jan/01/1999
Interchanges With: Carquest 751650, Motorcraft DY1084, Standard Motor Products SG1803, Standard Motor Products SG1803T, NTK 22071, Delphi ES10149, DENSO Auto Parts 2344609, Wells SU2098 and 7 more