How to replace the Heated Oxygen Sensor (HO2S) located post-catalyst on 2004 Chevrolet Malibu?

Start by raising the vehicle and establishing support before you begin to replace the Heated Oxygen Sensor (HO2S) which sits behind the catalyst. To start replacement of the Heated Oxygen Sensor (HO2S) you need to see where the electrical harness travels and separate the HO2S electrical connector that's found in the engine bay. Make use of the Oxygen Sensor Wrench (J 39194) to remove the HO2S while exercising care. Pull the HO2S electrical harness below the underbody clearance. Whenever reinstalling the previous HO2S you should apply anti-seize compound GM P/N 12377953 or an equivalent product to the threads. Connect the HO2S to its pipe and apply the Oxygen Sensor Wrench (J 39194) to complete HO2S tightening at a torque of 41 N.m (30 lb ft). Reposition the HO2S electrical harness according to its original placement points then attach the HO2S electrical connector. Finally, lower the vehicle.

OEM 2004 Chevrolet Malibu Oxygen Sensor

Oxygen O2 Sensor

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4 Oxygen Sensors found

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2004 Chevrolet Malibu Oxygen Sensor
Part Number: 12578624
$92.04 MSRP: $186.94
You Save: $94.90 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor; Front Oxygen Sensor
- Replaces: 24577303
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.5 x 3.4 x 3.3 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12578624
- Warranty: This genuine part is guaranteed by GM's factory warranty.
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Fits the following 2004 Chevrolet Malibu Submodels:
- Base, Classic LS, LS, LT | 4 Cyl 2.2 L GAS
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2004 Chevrolet Malibu Oxygen Sensor
Part Number: 19209808
$72.40 MSRP: $147.04
You Save: $74.64 (51%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Sensor, Computer Control Sensors; Rear Oxygen Sensor
- Replaces: 12575389, 19256731, 25333812, 12583806, 19210711, 12573168
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.4 x 3.4 x 3.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19209808
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet Malibu Submodels:
- LS, LT, LTZ, Maxx, Maxx LS, Maxx LT, Maxx LTZ, Maxx SS, SS | 6 Cyl 3.5 L GAS, 6 Cyl 3.9 L GAS
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2004 Chevrolet Malibu Oxygen Sensor
Part Number: 12590790
$54.69 MSRP: $102.72
You Save: $48.03 (47%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 1); Front Oxygen Sensor; Sensor, Computer Control Sensors
- Replaces: 12583290
- Item Weight: 0.60 Pounds
- Item Dimensions: 8.5 x 3.1 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12590790
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet Malibu Submodels:
- LS, LT, LTZ, Maxx, Maxx LS, Maxx LT, Maxx LTZ | 6 Cyl 3.5 L GAS
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2004 Chevrolet Malibu Oxygen Sensor
Part Number: 12583190
Product Specifications
- Other Name: Sensor Assembly-Heated Oxygen (Position 1); Sensor, Computer Control Sensors
- Item Weight: 0.50 Pounds
- Item Dimensions: 8.2 x 3.2 x 3.1 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 12583190
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2004 Chevrolet Malibu Submodels:
- Base, LS, LT | 4 Cyl 2.2 L GAS

2004 Chevrolet Malibu Oxygen Sensor

With a comprehensive array of OEM 2004 Chevrolet Malibu Oxygen Sensor, from fuel pumps to door handles, our website is a one-stop-shop for your needs. All our genuine 2004 Chevrolet Malibu Oxygen Sensor are backed by the manufacturer's warranty and are offered at competitive prices in the market. Rest assured, you can shop with complete confidence.

2004 Chevrolet Malibu Parts Questions & Experts Answers

Q: How to replace the Heated Oxygen Sensor (HO2S) located post-catalyst on 2004 Chevrolet Malibu?
A: Start by raising the vehicle and establishing support before you begin to replace the Heated Oxygen Sensor (HO2S) which sits behind the catalyst. To start replacement of the Heated Oxygen Sensor (HO2S) you need to see where the electrical harness travels and separate the HO2S electrical connector that's found in the engine bay. Make use of the Oxygen Sensor Wrench (J 39194) to remove the HO2S while exercising care. Pull the HO2S electrical harness below the underbody clearance. Whenever reinstalling the previous HO2S you should apply anti-seize compound GM P/N 12377953 or an equivalent product to the threads. Connect the HO2S to its pipe and apply the Oxygen Sensor Wrench (J 39194) to complete HO2S tightening at a torque of 41 N.m (30 lb ft). Reposition the HO2S electrical harness according to its original placement points then attach the HO2S electrical connector. Finally, lower the vehicle.

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Alternate Year Models

2003 Chevrolet Malibu Oxygen Sensor 2005 Chevrolet Malibu Oxygen Sensor