Oxygen Sensor for 2000-2001 Subaru Outback & More - Bosch 13557

Bosch 13557 oxygen sensor for the 2000-2001 Subaru Outback H4 2.5L and other vehicles measures the exhaust's air-fuel ratio for the engine computer. It is an upstream, wide-band sensor.

• Wide-band sensing gives continuous, high-precision air-fuel ratio readings across the full lambda range
• Integrated heater element and TSP coating resist vibration, corrosion and contamination in exhaust gas up to 1,880°F
• Reaches operating temperature in under 7 seconds for quick closed-loop control
• Ceramic construction is built for rapid load changes and harsh thermal cycles

Quick facts

• Part: Bosch 13557 oxygen sensor
• Fits: 2000-2001 Subaru Outback H4 2.5L and other vehicles
• Position: Upstream
• Material: Metal housing
• Condition: New

A rough idle, worse fuel economy or a check engine light can point to a failing oxygen sensor. Before you replace it, rule out an exhaust leak or damaged wiring, since either can give similar symptoms.

Fits

This oxygen sensor fits the 2000-2001 Subaru Outback H4 2.5L, and it is also an oxygen sensor for the 1999 Subaru Legacy H4 2.2L and the 2000-2001 Legacy H4 2.5L. This listing is one sensor, and the 2000-2001 Subaru Outback H4 2.5L takes one.

Specifications

In the box

One oxygen sensor with its wiring harness.

Installation notes

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