Walker Products 350-34508 oxygen sensor for the 2000-2003 Mercedes-Benz ML55 AMG V8 5.5L and other vehicles measures the oxygen content of the exhaust gas. This 4-wire, direct-fit narrow-band sensor is made as an original-equipment-manufacturer replacement for its specific application and sensor position, and it sends the ECU the diagnostic feedback the system requires.
- Coating protects the electrode surfaces from combustion residue and particulates in the exhaust gases
- Electrodes with a gas-permeable platinum layer
- Monitors the air-fuel ratio for combustion efficiency
- Monitors exhaust gases to help reduce pollutants
- Oxygen readings help fine-tune the air-fuel mixture for fuel economy
Quick facts
- Part: Walker Products 350-34508 oxygen sensor
- Fits: 2000-2003 Mercedes-Benz ML55 AMG V8 5.5L 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 use, more exhaust emissions or a lit malfunction indicator light, though a damaged wiring harness or connector can be behind the same signs, so look both over for physical damage before replacing the sensor. This listing is one sensor, and each sensor position on the car takes one.
Fits
The 2000-2003 Mercedes-Benz ML55 AMG V8 5.5L, the 1996-2002 Mercedes-Benz SL600 V12 6.0L and the 1998-2001 Mercedes-Benz CL500 V8 5.0L are covered, along with many more Mercedes-Benz models. If your car is not one of these, look up its year and engine under the "Vehicles it fits" section.
Specifications
Fit and size
- Position: upstream, downstream, upstream left, upstream right, downstream left, downstream right
- Quantity per application: 1
- Thread: M18 - 1.5
Build and materials
- Type: narrow-band, direct fit
- Wires: 4
- Electrodes: gas-permeable platinum layer
- Coating: protects the electrode surfaces
- Condition: New
Frequently Asked Questions
Is the Walker Products 350-34508 oxygen sensor right for the 2000-2003 Mercedes-Benz ML55 AMG V8 5.5L?
Yes. Walker Products 350-34508 is listed for the 2000-2003 Mercedes-Benz ML55 AMG V8 5.5L and for many other vehicles. For any other car, look under the "Vehicles it fits" section.
Is this oxygen sensor narrow-band or wideband?
Walker Products 350-34508 is a narrow-band sensor with 4 wires. Its electrodes have a gas-permeable platinum layer, and a coating protects the electrode surfaces.
What thread size does this oxygen sensor have?
This oxygen sensor has an M18 - 1.5 thread.
Will the ECU store a code if this oxygen sensor fails?
Newer vehicles store fault codes in the ECU, and some relate to the affected sensor and its associated systems. A shop can read them with a scan tool.
Is this oxygen sensor sold as a single piece?
Yes. This listing is one sensor, and each sensor position on the car takes one, so a car with several positions needs one per position.
