How to replace the Mass Air Flow Sensor on 2003 Chevrolet Avalanche 1500?

To substitute the mass air flow sensor/intake air temperature (MAF/IAT) sensor, be careful because it is fragile. Cleaner delete the air cleaner outlet duct, unscrew the electrical connector and loosen the clamp and remove the sensor. Install the new sensor such that the arrow is facing the engine, reconnect the electrical connector as well as reinstall the duct.

OEM 2003 Chevrolet Avalanche 1500 Mass Air Flow Sensor

MAF Sensor Meter

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2003 Chevrolet Avalanche 1500 Mass Air Flow Sensor Part Number: 19330121
$319.89 MSRP: $573.80
You Save: $253.91 (45%)
Product Specifications
- Other Name: Sensor, Computer Control Sensors; Air Mass Sensor
- Replaces: 25318411, 15904068
- Item Weight: 1.00 Pounds
- Item Dimensions: 9.1 x 7.4 x 6.2 inches
- Condition: New
- Fitment Type: Direct Replacement
- SKU: 19330121
- Warranty: This genuine part is guaranteed by GM's factory warranty.
More Info
Fits the following 2003 Chevrolet Avalanche 1500 Submodels:
- Base, LS, LT, North Face, On Road Edition, WBH, Z66, Z71 | 8 Cyl 5.3 L FLEX, 8 Cyl 5.3 L GAS

2003 Chevrolet Avalanche 1500 Mass Air Flow Sensor

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2003 Chevrolet Avalanche 1500 Mass Air Flow Sensor Parts and Q&A

Q: How to replace the Mass Air Flow Sensor on 2003 Chevrolet Avalanche 1500?
A: To substitute the mass air flow sensor/intake air temperature (MAF/IAT) sensor, be careful because it is fragile. Cleaner delete the air cleaner outlet duct, unscrew the electrical connector and loosen the clamp and remove the sensor. Install the new sensor such that the arrow is facing the engine, reconnect the electrical connector as well as reinstall the duct.