This 4-wire narrow-band oxygen sensor fits 1993-1998 Toyota Supra with the 3.0L I6 engine in the upstream position and 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 350-34554 Oxygen Sensor Features:

• Fits 1993-1998 Toyota Supra with the 3.0L I6 engine
• 4-wire narrow-band oxygen sensor
• Built-in heater for fast warm-up
• Flange-mount body
• Overall length of 840 mm (33.1 in.)
• Male/female square connector at the harness end with 4 spade terminals
• Platinum electrode layer with a protective coating against combustion residue