Walker Products 350-34601 oxygen sensor for the 1999-2002 Volkswagen Jetta V6 2.8L, the 2001-2005 Jetta 4-cylinder 1.8L and other vehicles measures the oxygen content of the exhaust gas. This Walker Products oxygen sensor is a 4-wire, narrow-band, direct-fit design made for its specific application and fitment position, and it gives the ECU the diagnostic feedback it expects.
- Monitors exhaust gases and reduces pollutants
- Tracks the air-fuel ratio for combustion efficiency
- Coating protects the electrode surfaces from contamination and erosion by combustion residue and particulates
- Electrodes made of a gas-permeable platinum layer
- Oxygen readings let the air-fuel mixture be fine-tuned for fuel economy
Quick facts
- Part: Walker Products 350-34601 oxygen sensor
- Fits: the 1999-2002 Volkswagen Jetta V6 2.8L, the 2001-2005 Jetta 4-cylinder 1.8L and other vehicles
- Position: upstream, downstream, downstream left, downstream right, downstream front, downstream rear
- Condition: New
A failing sensor can show up as a rough-running engine, higher fuel use or a lit malfunction indicator light. A damaged wiring harness or connector can be behind the same signs, so look both over for damage with the engine off and find the cause before you buy a sensor.
Fits
The 2002-2004 Volkswagen Passat W8 4.0L and the 1999 Volkswagen Golf 4-cylinder 2.0L take this sensor too, so it works as a Passat oxygen sensor or a VW Golf oxygen sensor for those engines, along with many other models. This listing is one sensor, and the 1999-2002 Volkswagen Jetta V6 2.8L takes one.
Specifications
Fit and size
- Position: upstream, downstream, downstream left, downstream right, downstream front, downstream rear
- Quantity per vehicle: 1
- Thread size: M18 - 1.5
Build and materials
- Type: narrow-band, direct fit
- Number of wires: 4
- Electrodes: gas-permeable platinum layer, with a protective coating
- Condition: New
Interchange: CTK-OSVW4010
Frequently Asked Questions
Is this the oxygen sensor for a VW Jetta from 1999-2002 with the V6 2.8L?
Yes. Walker Products 350-34601 fits the 1999-2002 Volkswagen Jetta V6 2.8L. If your car is not named on this page, check it in the "Vehicles it fits" section.
Is this the O2 sensor for a 2001-2005 VW Jetta with the 4-cylinder 1.8L?
Yes. Walker Products 350-34601 fits the 2001-2005 Volkswagen Jetta 4-cylinder 1.8L, and that engine takes one sensor.
Is the Walker Products 350-34601 a narrow-band or wideband sensor?
It is a narrow-band oxygen sensor with 4 wires and a direct-fit design.
What does the platinum layer on this oxygen sensor do?
The electrodes are a gas-permeable platinum layer. A coating shields those surfaces from contamination and erosion caused by combustion residue and particulates.
What thread does this narrow-band oxygen sensor use?
This sensor has an M18 - 1.5 thread.
