Walker Products 350-34389 oxygen sensor for the 1995-1998 Porsche 911 H6 3.6L, the 1999-2001 911 H6 3.4L and other vehicles measures the oxygen in the exhaust gas to show how efficiently the engine burns fuel. As a Walker Products oxygen sensor, it is made for its specific application and fitment position and returns the diagnostic feedback the ECU needs.
- Monitors exhaust gases and helps cut pollutants
- Monitors the air fuel ratio for combustion efficiency
- Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
- Oxygen readings used to fine-tune the air-fuel mixture for fuel economy
- Electrodes made of a gas-permeable platinum layer
Quick facts
- Part: Walker Products 350-34389 oxygen sensor
- Fits: the 1995-1998 Porsche 911 H6 3.6L, the 1999-2001 911 H6 3.4L and other vehicles
- Position: upstream, downstream, upstream left, upstream right, downstream left, downstream right
- Condition: New
A failing sensor can show up as rough running, higher fuel consumption or a lit malfunction indicator light. A vacuum leak is another common source of rough running, so these signs alone do not prove the sensor is the problem. Check the sensor, wiring harness and connector for physical damage.
Fits
It works as a Porsche 911 oxygen sensor on the 1995-1998 911 H6 3.6L and the 1999-2001 911 H6 3.4L, and it also fits the 1999 Saab 9-5 4-cylinder 2.3L, the 1999-2000 9-5 V6 3.0L and the 1999 Saab 9-3 4-cylinder 2.0L or 2.3L. If your car is not one of these, look it up in the "Vehicles it fits" section by make, model, year and engine.
Specifications
Fit and size
- Position: upstream, downstream, upstream left, upstream right, downstream left, downstream right
- Quantity per application: 1
- Thread size: M18 - 1.5
Build and materials
- Type: narrow-band, 4-wire, direct fit
- Electrodes: gas-permeable platinum layer with a protective coating
- Condition: New
In the box
One oxygen sensor. The fitment calls for one.
Product information is for general reference and may contain errors. See our Disclaimer.
Frequently Asked Questions
Is this Saab 9-5 oxygen sensor right for a 1999 4-cylinder 2.3L or a 1999-2000 V6 3.0L?
Yes. Walker Products 350-34389 is listed for the 1999 Saab 9-5 4-cylinder 2.3L and the 1999-2000 Saab 9-5 V6 3.0L, with a quantity of one per application.
Is the 350-34389 a narrow-band or wideband sensor?
The Walker Products 350-34389 is a narrow-band, 4-wire direct-fit sensor. It reads the oxygen content of the exhaust gas and monitors the air fuel ratio.
Is this an upstream or downstream oxygen sensor?
This part number is listed for upstream, downstream, upstream left, upstream right, downstream left and downstream right positions.
How can I tell if this oxygen sensor is going bad?
A failed sensor can bring higher fuel consumption, more exhaust emissions or a lit malfunction indicator light. Newer vehicles also store fault codes in the ECU, some tied to the sensor.
What does the coating on this oxygen sensor protect?
The coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates in the exhaust gas. The electrodes are a gas-permeable platinum layer.
