The oxygen sensor installs on select 1988-1999 Dodge, Eagle, Mitsubishi and Plymouth applications. It signals whether the exhaust is running rich or lean so the engine computer can trim fuel delivery. A built-in heater brings the element to operating temperature quickly after a cold start.

Walker Products 350-34317 Oxygen Sensor Features:

• Fits 1993-1994 Dodge Colt, Mitsubishi Expo LRV, Plymouth Colt; 1993-1996 Eagle Summit, Mitsubishi Mirage; 1988 Mitsubishi Galant; 1989-1990 Mitsubishi Sigma
• Fits 1993-1995 Mitsubishi Expo; 1996-1999 Mitsubishi Eclipse
• Engine coverage includes 1.8L I4, 2.4L I4, 3.0L V6 applications
• Sensor locations by application: B1S1, B1S2 (bank and sensor number)
• Used in the center positions, depending on application
• 4-wire narrow-band oxygen sensor
• Built-in heater for fast warm-up
• M18x1.5 threaded mounting with a 22 mm hex, 325 mm (12.8 in.) overall length
• Female square connector at the harness end
• Platinum electrode layer with a protective coating against combustion residue