DENSO Auto Parts 234-5045 air / fuel ratio sensor for the 2001-2005 Volkswagen Jetta 4-cylinder 2.0L, the 2002-2004 Jetta V6 2.8L and other vehicles reads the oxygen content of the exhaust for the engine computer. This DENSO Auto Parts air fuel ratio sensor is a wide-band type with a heated element.
- Laser-welded stainless housing resists corrosion
- PTFE filter blocks contaminants under harsh engine conditions
- Dual-layer protection shields the ceramic element for fast, reliable response times
- Five-wire design with a male connector and a 67.72 in wiring harness
Quick facts
- Part: DENSO Auto Parts 234-5045 air / fuel ratio sensor
- Fits: the 2001-2005 Volkswagen Jetta 4-cylinder 2.0L, the 2002-2004 Jetta V6 2.8L and other vehicles
- Position: upstream, upstream left, upstream right
- Condition: New
A failing air / fuel ratio sensor can show up as a check engine light, rough running or poorer fuel economy, though other faults cause those signs too. Before replacing it, look over the wiring harness and connector for cuts, melted insulation or loose pins with the engine off and cool. A shop can test the sensor itself.
Fits
It also fits the 2002-2005 Volkswagen Golf V6 2.8L, the 2002-2006 Golf 4-cylinder 2.0L and the 2002-2004 Volkswagen Passat W8 4.0L. This listing is one sensor, and those cars need just one. If your car is not named here, look up your year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Position: upstream, upstream left, upstream right
- Quantity per vehicle: 1 or 2, depending on the vehicle
- Thread diameter: 0.711 in
- Wiring harness length: 67.72 in
- Wires: 5
Build and materials
- Sensor type: wide-band, heated
- Connector: male
- Housing: laser-welded stainless
- Condition: New
- Country of origin: Germany
This part cross-references / interchanges with the following part numbers:
17157, 17237, 17351, 17361, 17403, ES10922, 24310, 24317, 24352, 94860612802, SG1180, 022906265A, 06A906262BC, 07Z906262, 1K0998262M, 250-25004, 250-25020, 250-25053, 350-35029, 350-35059, 350-35080
Frequently Asked Questions
Does the DENSO 234-5045 fit a 2002-2004 Volkswagen Passat W8 4.0L?
Yes. DENSO Auto Parts 234-5045 is listed for the 2002-2004 Volkswagen Passat W8 4.0L, which takes one. Other cars are found in the "Vehicles it fits" section.
Is the DENSO Auto Parts 234-5045 a wide-band sensor?
Yes. The DENSO Auto Parts 234-5045 is a wide-band air / fuel ratio sensor with a heated element and five wires.
How long is the wiring harness on this air / fuel ratio sensor?
The wiring harness is 67.72 inches long and ends in a male connector. The sensor has five wires.
What protects the sensing element in this sensor?
A laser-welded stainless housing resists corrosion, and a PTFE filter blocks contaminants. Dual-layer protection also shields the ceramic element for fast, reliable response times.
What signs can a worn air / fuel ratio sensor cause?
A check engine light, rough running or poorer fuel economy can all be signs. Other faults can produce those symptoms, so a shop can read the codes and test the sensor.
