2pcs for Toyota Tundra 3.4L Up+Downstream Air Fuel Ratio Oxygen Sensor 2001-2004

2pcs for Toyota Tundra 3.4L Up Downstream Air Fuel Ratio Oxygen Sensor 2001-2004

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2pcs for Toyota Tundra 3.4L Up+Downstream Air Fuel Ratio Oxygen Sensor 01-04