What precautions and steps are involved in servicing oxygen sensors, including replacement procedures for both upstream and downstream sensors on Lexus RX350?

Handle oxygen sensors with care as damage to the attached pigtail and electrical connector can render them useless. Avoid contaminants and cleaning solvents. For replacements, 2008 and later models have the air-fuel ratio sensor which is the upstream sensor, and the oxygen sensor, which is the downstream sensor. For four-cylinder models, disconnect the battery cable, locate the sensor in the exhaust manifold, disconnect the connector, and unscrew the sensor using an oxygen sensor socket. For V6 models, disconnect the battery cable, disconnect the sensor connector, raise the vehicle, and unscrew the sensor. Always apply anti-seize compound to the sensor threads during installation and tighten to the specified torque.

Genuine Lexus RX350 Oxygen Sensor

Oxygen O2 Sensor

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69 Oxygen Sensors found

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Lexus RX350 Oxygen Sensor
Part Number: 89465-0E040
$171.40 MSRP: $233.68
You Save: $62.28 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Oxygen NO.2; Front Oxygen Sensor, Oxygen Sensor
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010-2015 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE; GGL10L-CWTGKA, GGL15L-CWTGKA, GGL15L-CWZGKA
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Lexus RX350 Oxygen Sensor
Part Number: 89465-0E010
$181.04 MSRP: $246.83
You Save: $65.79 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Oxygen NO.2; Oxygen Sensor, Rear Oxygen Sensor
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007 Lexus RX350 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-CWAGKA, MCU38L-CWAGKA
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Lexus RX350 Oxygen Sensor
Part Number: 89465-48180
$148.58 MSRP: $202.58
You Save: $54.00 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Oxygen NO.2; Oxygen Sensor, Rear Oxygen Sensor
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007 Lexus RX350 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-AWAGKA, MCU38L-AWAGKA
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Lexus RX350 Air Fuel Ratio Sensor
Part Number: 89467-48060
$266.99 MSRP: $370.08
You Save: $103.09 (28%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air Fuel Ratio; Front Oxygen Sensor, Oxygen Sensor
- Manufacturer Note: NO.2
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007 Lexus RX350 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-AWAGKA, MCU38L-AWAGKA
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Lexus RX350 Air Fuel Ratio Sensor
Part Number: 89467-07010
$222.15 MSRP: $302.88
You Save: $80.73 (27%)
Ships in 1-3 Business Days
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Product Specifications
- Other Name: Sensor, Air Fuel Ratio; Front Oxygen Sensor, Oxygen Sensor, Sensor
- Manufacturer Note: LH
- Position: Driver Side
- Replaces: 89467-33090
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007-2008 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE; GSU30L-CWAGKA, GSU35L-CWAGKA
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Lexus RX350 Oxygen Sensor
Part Number: 89465-0E050
$163.71 MSRP: $223.21
You Save: $59.50 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Oxygen; Oxygen Sensor, Rear Oxygen Sensor
- Replaces: 89465-48240
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010-2015 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE; GGL10L-AWTGKA, 2GRFE; GGL10L-CWTGKA, GGL15L-AWTGKA, GGL15L-CWTGKA, GGL15L-CWZGKA
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Lexus RX350 Air Fuel Ratio Sensor
Part Number: 89467-08010
$236.15 MSRP: $319.34
You Save: $83.19 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air Fuel Ratio
- Manufacturer Note: NO.1
- Replaced by: 89467-48050
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007 Lexus RX350 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-CWAGKA, MCU38L-CWAGKA
View related parts
Lexus RX350 Air Fuel Ratio Sensor
Part Number: 89467-0E010
$271.19 MSRP: $375.90
You Save: $104.71 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air Fuel Ratio; Oxygen Sensor
- Manufacturer Note: NO.2
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007 Lexus RX350 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-CWAGKA, MCU38L-CWAGKA
View related parts
Lexus RX350 Air Fuel Ratio Sensor
Part Number: 89467-0E040
$247.31 MSRP: $342.80
You Save: $95.49 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air Fuel Ratio; Oxygen Sensor, Rear Oxygen Sensor
- Manufacturer Note: RH
- Position: Passenger Side
- Replaces: 89467-48100, 89467-48130
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007-2012 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE, 2GRFE; GGL10L-CWTGKA, 2GRFE; GSU30L-AWAGKA, 2GRFXE; GGL10L-AWTGKA, GGL15L-AWTGKA, GGL15L-CWTGKA, GSU30L-AWAGKA, GSU30L-CWAGKA, GSU35L-AWAGKA, GSU35L-CWAGKA, GYL10L-AWXGKA, GYL15L-AWXGKA
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Lexus RX350 Air Fuel Ratio Sensor
Part Number: 89467-0E140
$241.79 MSRP: $335.15
You Save: $93.36 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air Fuel Ratio; Oxygen Sensor, Rear Oxygen Sensor
- Replaces: 89467-48210
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010-2015 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE, 2GRFXE; GGL10L-AWTGKA, 2GRFXE; GGL10L-CWTGKA, GGL15L-AWTGKA, GGL15L-CWTGKA, GGL15L-CWZGKA, GYL10L-AWXGKA, GYL10L-CWXGKA, GYL15L-AWXGKA, GYL15L-CWXGKA
View related parts
Lexus RX350 Oxygen Sensor
Part Number: 89465-48110
$177.97 MSRP: $240.67
You Save: $62.70 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Oxygen
- Replaced by: 89465-0E030
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007-2009 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE; GSU30L-AWAGKA, GSU35L-AWAGKA
View related parts
Lexus RX350 Oxygen Sensor
Part Number: 89465-08040
$159.03 MSRP: $215.06
You Save: $56.03 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Oxygen
- Replaced by: 89465-48170
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007 Lexus RX350 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-CWAGKA, MCU38L-CWAGKA
View related parts
Lexus RX350 Air Fuel Ratio Sensor
Part Number: 89467-48050
$234.23 MSRP: $319.34
You Save: $85.11 (27%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air Fuel Ratio; Oxygen Sensor
- Manufacturer Note: NO.1
- Replaces: 89467-08010
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007 Lexus RX350 | STD | 6 Cyl 3.3L | 3MZFE; MCU33L-AWAGKA, 3MZFE; MCU33L-CWAGKA, MCU38L-AWAGKA, MCU38L-CWAGKA
View related parts
Lexus RX350 Air Fuel Ratio Sensor
Part Number: 89467-48100
$251.43 MSRP: $342.80
You Save: $91.37 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air Fuel Ratio
- Replaced by: 89467-0E040
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007-2008 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE; GSU30L-AWAGKA, GSU35L-AWAGKA
View related parts
Lexus RX350 Oxygen Sensor
Part Number: 89465-48220
$156.94 MSRP: $212.23
You Save: $55.29 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Oxygen NO.2
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010-2015 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE; GGL10L-AWTGKA, GGL15L-AWTGKA
View related parts
Lexus RX350 Oxygen Sensor
Part Number: 89465-0E030
$176.52 MSRP: $240.67
You Save: $64.15 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Oxygen
- Manufacturer Note: RH
- Position: Passenger Side
- Replaces: 89465-48110
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007-2009 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE; GSU30L-AWAGKA, 2GRFE; GSU30L-CWAGKA, GSU35L-AWAGKA, GSU35L-CWAGKA
View related parts
Lexus RX350 Air Fuel Ratio Sensor
Part Number: 89467-48090
$208.96 MSRP: $282.58
You Save: $73.62 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air Fuel Ratio, No.2
- Replaced by: 89467-0E090
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2007-2008 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE; GSU30L-AWAGKA, GSU35L-AWAGKA
View related parts
Lexus RX350 Oxygen Sensor
Part Number: 89465-48280
$132.48 MSRP: $180.63
You Save: $48.15 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Oxygen; Oxygen Sensor, Rear Oxygen Sensor
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2010-2014 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFXE; GYL10L-AWXGKA, GYL15L-AWXGKA
View related parts
Lexus RX350 Air Fuel Ratio Sensor
Part Number: 89467-0E240
$211.05 MSRP: $287.74
You Save: $76.69 (27%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air Fuel Ratio, No.2; Oxygen Sensor, Upper Oxygen Sensor
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2016-2022 Lexus RX350 | 6 Cyl 3.5L | 2GRFKS, 2GRFXS; GGL20L-CWZGBA, GGL25L-CWZGBA, GYL20L-CWXGBA, GYL25L-CWXGBA
View related parts
Lexus RX350 Air Fuel Ratio Sensor
Part Number: 89467-48280
$248.99 MSRP: $345.13
You Save: $96.14 (28%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air Fuel Ratio
- Warranty: This genuine part is guaranteed by Lexus's factory warranty.
Fits the following Vehicles:
- 2014-2015 Lexus RX350 | STD | 6 Cyl 3.5L | 2GRFE; GGL10L-AWTGKA, GGL15L-AWTGKA

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1-20 of 69 Results

Lexus RX350 Oxygen Sensor

The Lexus RX350 Oxygen Sensor is applied to keep the V6 powertrain clean and efficient by reading leftover oxygen in exhaust and guiding the engine computer towards the perfect air fuel balance. Positioned before and after the catalytic converter, each Oxygen Sensor consists of a heated zirconia core with platinum layers that send a signal in the form of a voltage swinging between 0.1 and 0.9 volts to the computer, which uses the signal to lengthen or shorten the duration of the injector pulse several times per second in order to keep emissions low while maintaining good mileage. A failing Oxygen Sensor is slow to react and puts the system out of closed loop, triggering warning lights and causing pollutants to rise; a clogged Oxygen Sensor may even take the mixture permanently rich. Early Lexus models employ a narrow band style which switches between rich and lean, while later RX350 editions use a wide band air fuel ratio unit which monitors the mixture in a wider range by measuring the current rather than voltage, which gives finer control to the computer. Despite these differences, every Lexus RX350 depends upon timely Oxygen Sensor heat up, about 600°F for fast feedback and catalytic efficiency, so regular attention to Lexus exhaust health is essential to RX350 owners.

Should you need to purchase new auto parts for your vehicle, we strongly suggest you consider the genuine Lexus RX350 Oxygen Sensor available on LexusPartsNow.com. Our OEM Lexus RX350 Oxygen Sensor come with the reassurance of the manufacturer's warranty, a hassle-free return policy, and speedy delivery service, all at affordable prices online. Feel free to shop with confidence!

Lexus RX350 Oxygen Sensor Parts Questions & Experts Answers

Air Fuel Ratio Sensor
89467-0E030
Q: What precautions and steps are involved in servicing oxygen sensors, including replacement procedures for both upstream and downstream sensors on Lexus RX350?
A:
Handle oxygen sensors with care as damage to the attached pigtail and electrical connector can render them useless. Avoid contaminants and cleaning solvents. For replacements, 2008 and later models have the air-fuel ratio sensor which is the upstream sensor, and the oxygen sensor, which is the downstream sensor. For four-cylinder models, disconnect the battery cable, locate the sensor in the exhaust manifold, disconnect the connector, and unscrew the sensor using an oxygen sensor socket. For V6 models, disconnect the battery cable, disconnect the sensor connector, raise the vehicle, and unscrew the sensor. Always apply anti-seize compound to the sensor threads during installation and tighten to the specified torque.

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