Name: Pre-Cat Oxygen Sensor Holden Captiva 7 CG 3.0L V6 LF1 LFW 2011-2018 12616203
Brand: Aftermarket OEM Replacement
SKU: EGO-588-Captiva
Price: 79.97 AUD
Availability: InStock

BRAND NEW *OEM Quality* oxygen sensor to suit Holden Captiva 7 CG Gen II 3.0L V6 LF1 and LFW AWD (2011-2018). Pre-cat (upstream) position.

Check engine light on your Captiva with a P0135 code, or fuel economy noticeably worse than usual? The upstream oxygen sensor on the 3.0L LF1 and LFW Captiva is a direct-fit replacement. Get the Captiva back to normal air-fuel loop control. Same-day dispatch from Melbourne.

TO SUIT

[03/11 - 12/18] HOLDEN CAPTIVA 7 CG Gen II 3.0L V6 LF1 AWD 190kW (Pre-Cat)
[07/12 - 12/18] HOLDEN CAPTIVA 7 CG Gen II 3.0L V6 LFW AWD Flexfuel 190kW (Pre-Cat)

FITMENT CHECK

Pre-cat (upstream) position only on the Captiva 3.0L. Confirm your engine code is LF1 or LFW before ordering. 4-pin oval connector. M18x1.5 thread.

OEM PART NUMBERS

12616203
12634064
12634085
12598176
12590750
5855395
19209805
24577303
12578624

OTHER PART NUMBERS

BOSCH: 0 258 010 134
BOSCH: 0 258 986 763
NTK-AU: OZA770-EE7
WALKER PRODUCTS: 350-34225
DELPHI: ES20113

PACKAGE INCLUDES

1 x oxygen sensor. 4-pin connector. 4-conductor cable. 250mm cable length. M18x1.5 thread. Pre-cat (upstream) position.

ABOUT THIS SENSOR

The upstream oxygen sensor on the Captiva 3.0L is positioned before the catalytic converter and provides real-time exhaust oxygen data to the ECM. This is the closed-loop fuel control sensor - the ECM uses its signal to calculate and correct the air-fuel ratio on every combustion cycle. When this sensor fails the ECM drops into open-loop mode, causing rich or lean fuel trim, reduced economy, and potential catalyst contamination if the engine runs rich for extended periods.

The LF1 and LFW Captiva are high-mileage family haulers and the O2 sensor is a predictable service item from 100,000-150,000km onwards. Replacing it promptly prevents downstream catalyst damage.

COMMON SYMPTOMS OF FAILURE

Check engine light with codes P0135 / P0155 (sensor heater circuit)
Fuel trim codes P0171 / P0172 (running lean or rich)
Rough idle or hunting at warm idle
Increased fuel consumption
Poor throttle response
Failed emissions test

[03/11 - 12/18] HOLDEN CAPTIVA 7 CG 3.0L V6 LF1 AWD 190kW (Pre-Cat)
[07/12 - 12/18] HOLDEN CAPTIVA 7 CG 3.0L V6 LFW AWD Flexfuel 190kW (Pre-Cat)

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	EGO-588-Captiva
Brand	Aftermarket OEM Replacement
Part Numbers
Part Number	12634061
Reference OEM Number	12634061
Other OEM Numbers	12634064, 12616203, 12634085, 12598176, 12590750
Related Part Numbers	0258986763, COS1335, OX440GEN, ES20113, 234-4285
Trade Part Numbers	BOSCH: 0 258 010 134, BOSCH: 0 258 986 763
Product Specifics
Sensor Type	Oxygen Sensor
Type	O2 / Lambda Sensor
Fitting Position	Pre-Cat (Upstream)
Thread Size	M18x1.5
Number of pins	4-Pin
Cable Length	250mm
Compatible Makes	Holden
Fitment Type	Direct Replacement
Brand	Aftermarket OEM Replacement
Conductor Number	4-Conductor
Other Details
Note	Suits pre-cat (upstream) position only on the Captiva CG