How should one service an oxygen sensor to avoid damage and ensure proper installation on 2010 Mazda 3?

In servicing an oxygen sensor care should be taken because it is mounted in the exhaust manifold or pipe that becomes contractive when cool. Before servicing, start the engine and then make sure it does not get damaged. Do not keep contaminants near the electrical connector, and be gentle with the sensor, and make sure that it is properly installed and tightened.

Genuine 2010 Mazda 3 Oxygen Sensor

Oxygen O2 Sensor

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6 Oxygen Sensors found

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2010 Mazda 3 Oxygen Sensor Part Number: L541-18-861A
$172.09 MSRP: $229.49
You Save: $57.40 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Oxygen; Lower Oxygen Sensor, Oxygen Sensor
- Replaces: L541-18-861A-9U, L541-18-861
- Item Weight: 0.80 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L541-18-861A
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
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Fits the following 2010 Mazda 3 Submodels:
- i, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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2010 Mazda 3 Oxygen Sensor Part Number: LF3T-18-8G1
$198.36 MSRP: $264.54
You Save: $66.18 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Air & Fuel Ratio; Oxygen Sensor
- Position: Upper
- Item Weight: 0.80 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: LF3T-18-8G1
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
More Info
Fits the following 2010 Mazda 3 Submodels:
- i | 4 Cyl 2.0 L GAS
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2010 Mazda 3 Oxygen Sensor Part Number: LF8R-18-8G1A
$205.56 MSRP: $274.14
You Save: $68.58 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Air & Fuel Ratio; Oxygen Sensor
- Position: Upper
- Replaces: LF8R-18-8G1
- Item Weight: 0.80 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: LF8R-18-8G1A
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
More Info
Fits the following 2010 Mazda 3 Submodels:
- i | 4 Cyl 2.0 L GAS
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2010 Mazda 3 Oxygen Sensor Part Number: L34B-18-861B
$224.21 MSRP: $299.01
You Save: $74.80 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Oxygen; Lower Oxygen Sensor
- Replaces: L34B-18-861A
- Item Weight: 0.80 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L34B-18-861B
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
More Info
Fits the following 2010 Mazda 3 Submodels:
- i, Mazdaspeed, S | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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2010 Mazda 3 Oxygen Sensor Part Number: L540-18-8G1
$323.89 MSRP: $431.94
You Save: $108.05 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Air & Fuel Ratio; Upper Oxygen Sensor
- Item Weight: 0.80 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L540-18-8G1
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following 2010 Mazda 3 Submodels:
- S | 4 Cyl 2.5 L GAS
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2010 Mazda 3 Oxygen Sensor Part Number: L3CE-18-8G1
$436.95 MSRP: $587.41
You Save: $150.46 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor, Air & Fuel Ratio; Oxygen Sensor
- Position: Upper
- Item Weight: 0.80 Pounds
- Condition: New
- Fitment Type: Direct Replacement
- SKU: L3CE-18-8G1
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
More Info
Fits the following 2010 Mazda 3 Submodels:
- Mazdaspeed | 4 Cyl 2.3 L GAS

2010 Mazda 3 Oxygen Sensor Parts and Q&A

Q: How should one service an oxygen sensor to avoid damage and ensure proper installation on 2010 Mazda 3?
A: In servicing an oxygen sensor care should be taken because it is mounted in the exhaust manifold or pipe that becomes contractive when cool. Before servicing, start the engine and then make sure it does not get damaged. Do not keep contaminants near the electrical connector, and be gentle with the sensor, and make sure that it is properly installed and tightened.