Oxygen Sensor for 1995-1998 Porsche 911 - Bosch 13721

Bosch 13721 oxygen sensor for the 1995-1998 Porsche 911 H6 3.6L measures exhaust oxygen and sends air-fuel-ratio readings to the ECU. This Bosch O2 sensor is a heated, narrow-band, switching-type unit that helps the ECU hold stable combustion control and lower emissions.

• Heated narrow-band design with integrated heater elements and an advanced ceramic element
• Reaches operating temperature in under 10 seconds for quick closed-loop control
• Metal housing and TSP coating resist vibration, corrosion and contamination
• Built to withstand exhaust streams up to 1,880°F

Quick facts

• Part: Bosch 13721 oxygen sensor
• Fits: 1995-1998 Porsche 911 H6 3.6L
• Position: Upstream
• Material: Metal housing
• Condition: New

A slow response, a check engine light or rising fuel use can mean this oxygen sensor is worn, though the mass airflow sensor or the catalytic converter can be behind them too.

Fits

This listing is one upstream oxygen sensor for the 1995-1998 Porsche 911 H6 3.6L, which takes two.

Specifications

In the box

One oxygen sensor with its wiring harness. A mounting bracket is not included.

Installation notes

• Direct-fit connectors allow quick installation.
• Conductive anti-seize is pre-applied on the threads.