Name: Oxygen Sensor Pre-Cat EJ204 Subaru Impreza GD Liberty Forester
Brand: Aftermarket OEM Replacement
SKU: GSE243
Price: 327.45 AUD
Availability: InStock

BRAND NEW OEM Quality OXYGEN SENSOR (LAMBDA SENSOR) TO SUIT SUBARU

PLEASE COMPARE YOUR ORIGINAL SENSOR WITH THE IMAGES WE PROVIDED IN THE LISTING AND CHECK THE DETAILED VEHICLE LIST IN THE SUITABILITY SECTION.

TO SUIT:

[01/00 - 12/07] SUBARU IMPREZA G2 GD/GG 2.0L Flat4 EJ201 92kW
[01/07 - 12/11] SUBARU IMPREZA G3 GE/GH 2.0L Flat4 EJ204 110kW
[01/06 - 12/07] SUBARU LIBERTY B4 BL/BP 2.0R 2.0L Flat4 EJ204 121kW

OEM# 22641-AA381, 22641-AA480

for OE No: 22641-AA480
Fitting Position: Front, before catalytic converter
Lambda Sensor: Regulating Probe, Thread pre-greased
Operating Mode: Electric
Quality: OE
for manufacturer: DENSO
Thread Size: M18x1.5
Cable Length: 500 mm
Number of pins: 4 -pin connector

Features:

High Quality
OEM Fit and Design
Easy install
Simple operation
AU Seller-Fast and Free Shipping

Package Includes:

1* OXYGEN SENSOR: 4 WIRE 500MM CABLE LENGTH.

Oxygen sensor is generally mounted in the exhaust stream of vehicles to measure the oxygen content of the exhaust gases. The sensor will compare the oxygen content to the oxygen proportion in the air and passes that information back to the vehicles Engine Control Module(ECU). to allow the adjustment of the air-fuel ratio so that a cars engine can work at its optimal fuel efficiency level.

COMPATIBLE VEHICLES

SUBARU IMPREZA BRS, RX G3,G12 {4 Door Sedan) 2008-2012 2.0 litre EJ204 F4 16V DOHC VVT
SUBARU IMPREZA GE, G12 (4 Door Sedan) 2008-2011 1.5 litre EL154 F4 16V DOHC VVT
SUBARU IMPREZA GH, G12 (4 Door Hatchback) 2007-2011 1.5 litre EL154 F4 16V DOHC VVT
SUBARU IMPREZA R 4WD GG, G11 (4 Door Sedan) 2006-2007 1.5 litre EL15 F4 16V DOHC VVT
SUBARU IMPREZA R AWD GG, G11 (4 Door Wagon) 2006-2007 1.5 litre EL15 F4 16 DOHC VVT
SUBARU IMPREZA R GG, G11 [4 Door Wagon) 2005-2007 2.0 litre EJ204 F4 16V DONC VVT
SUBARU IMPREZA R, RS GD,G11 (4 Door Sedan) 2005-2007 2.0 litre EJ204 F4 16V DOHC VVT
SUBARU IMPREZA R, RS, RX, XV G3, G12 [4 Door Hatchback) 2007-2012 2.0 Litre EJ204 F4 16V DOHC VVT
SUBARU IMPREZA R/GG,G11 (4 Door Sedan) 2006-2007 1.5 litre EL154 F4 16V DOHC VVT
SUBARU LEGACY 2.0R BL, B13 (4 Door Sedan) 2006-2008 2.0 litre EJ204 F4 16V DOHC
SUBARU LEGACY 2.0R BP, B13 (4 Door Wagon) 2006-2008 2.0 litre EJ204 F4 16V DOHC
SUBARU LEGACY BL, B13 (4 Door Sedan) 2003-2008 2.0 litre EJ20 F4 16V DOHC
SUBARU LEGACY TOURING WAGON R BP, B13 (4 Door Wagon) 2003-2009 2.0 litre EJ20 F4 16V DOHC
SUBARU LIBERTY 2.0R BP, B13 (4 Door Wagan) 2006-2007 2.0 litre EJ204 F4 16V DOHC
SUBARU LIBERTY 20R BL, B13 (4 Door Sedan) 2006-2007 2.0 litre EJ204 F4 16V DOHC

ABOUT YOUR VEHICLE'S OXYGEN O2 SENSOR

What does an Oxygen Sensor do?
The oxygen sensor is an electronic device used to measure the amount of oxygen in a gas or liquid. It is most commonly used to measure the concentration of oxygen in exhaust gasses, to allow the adjustment of the air-fuel ratio so that a cars engine can work at its optimal fuel efficiency level.

Where is the Oxygen Sensor located?
Most newer vehicles have more than one sensor, on the exhaust pipe, close to the engine, and another close to the muffler and catalytic converter. Having two O2 sensors means that the vehicle has two readings provided to the engine computer so that the vehicle can fine-tune its performance.

What happens when the sensor is malfunctioning?
The only way to know for certain if your sensor is malfunctioning is by using a diagnostic code reader. There are some items that often point to this issue, such as:
Fuel usage increases without a change in driving habits, Reduction in car performance, Engine running rough which doesnt improve after replacing spark plugs,
Engine light on the dashboard notifying the driver of an issue found by the engine computer.

What are the common causes of failure?
Some of the reasons sensors fail include:
Fuel that is contaminated
Carbon deposits on the sensor from an engine that has started to burn oil
The sensor has reached its end of life

How to determine if the Oxygen Sensor is malfunctioning?
Signs of a failing oxygen sensor:
1. Check Engine Light Is On
2. Increased exhaust emissions
3. Bad performance

How do I replace an oxygen sensor?

Most O2 sensors thread directly into the exhaust pipe or manifold. You will need an O2 sensor socket (22mm with a slot for the wire) and penetrating oil if the sensor is seized. Allow the exhaust to cool completely before starting. Some sensors also require a wiring harness connector to be unplugged. Always clear fault codes with an OBD2 scanner after replacement.

What fault codes does a faulty O2 sensor trigger?

A faulty O2 sensor typically triggers codes P0130 to P0167. The specific code indicates which sensor has failed - P0130 to P0138 relate to Bank 1 sensors and P0150 to P0158 relate to Bank 2 sensors. An OBD2 scanner will identify the exact sensor location.

Can I use a universal O2 sensor on my vehicle?

Universal sensors can work but require splicing the wiring harness which introduces risk of connection faults. A direct-fit aftermarket OEM replacement sensor with the correct connector plugs directly in with no cutting or splicing required. SensorGal stocks direct-fit sensors cross-referenced to OEM part numbers for most Australian vehicles.

How do I know if my O2 sensor is bad?

Common signs include poor fuel economy, rough idle, failed emissions test, rotten egg smell from the exhaust, and a Check Engine light with codes P0130-P0167. An OBD2 scanner showing a flat or sluggish O2 sensor waveform on live data also indicates a faulty sensor.

What is the difference between upstream and downstream O2 sensors?

The upstream (pre-cat) sensor monitors exhaust gases to help the ECU calculate fuel trim. The downstream (post-cat) sensor monitors catalytic converter efficiency. They serve different functions and are not interchangeable even if they look identical.

Can a bad O2 sensor damage my catalytic converter?

Yes. A faulty upstream O2 sensor can cause the engine to run rich, sending unburnt fuel into the catalytic converter. Over time this overheats and destroys the catalyst. Replacing the O2 sensor promptly protects your catalytic converter.

How many O2 sensors does my vehicle have?

Most 4-cylinder vehicles have two O2 sensors (one upstream, one downstream). V6 and V8 engines typically have four - one upstream and one downstream per bank. Contact us with your vehicle details and we will confirm the correct quantity and part numbers.

Identification
SKU	GSE243
Barcode #	9341554036925
Brand	Aftermarket OEM Replacement
Part Numbers
Part Number	COS5280
Reference OEM Number	22641AA480
Other OEM Numbers	22641AA381, 22641AA480
Related Part Numbers	EGO-582, OX850
Product Specifics
Sensor Type	Oxygen Sensor
Placement On Vehicle	PRE-CAT
Type	Sensor
Features	Direct Fit
Reference Oe/oem Number	22641AA480
Manufacturer Warranty	1 Year
Oem	22641AA480
Ean	9341554036925
Make	SUBARU
Note	CHECK IMAGES. CONFIRM WITH OE NUMBER
Second Part Number	OX850
Other Details
Note	Always verify fitment using your vehicle's OEM part number.
Unit Of Measure	ea