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This part fits the vehicle you selected:
My Vehicle: 2GCEK19N431339874 2003 Light Truck Silverado / Sierra - 03, 43, 53 Bodystyle (4WD / AWD) 8 Cyl 6.0L MFI, Iron, High Output; 4-Speed Automatic Transmission, HMD, 4L60-E/4L65-E, Heavy Duty; Silverado 1500 Extended Cab Standard Box
The vehicle options this part fits:
  • Fitting Vehicle Options: CK1,2,3(LM7,LQ4,LR4,L18,L31,L35,LQ9)
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GM 19330121 Sensor Asm,Mass Airflow (W/Intake Air Temperature Sensor)<Use 12F 6

2001-2007 GM

GM 19330121 Sensor Asm,Mass Airflow (W/Intake Air Temperature Sensor)<Use 12F 6
GM 19330121 Sensor Asm,Mass Airflow (W/Intake Air Temperature Sensor)<Use 12F 6
GM 19330121 Sensor Asm,Mass Airflow (W/Intake Air Temperature Sensor)<Use 12F 6
GM 19330121 Sensor Asm,Mass Airflow (W/Intake Air Temperature Sensor)<Use 12F 6
GM 19330121 Sensor Asm,Mass Airflow (W/Intake Air Temperature Sensor)<Use 12F 6
GM 19330121 Sensor Asm,Mass Airflow (W/Intake Air Temperature Sensor)<Use 12F 6
GM 19330121 Sensor Asm,Mass Airflow (W/Intake Air Temperature Sensor)<Use 12F 6
GM 19330121 Sensor Asm,Mass Airflow (W/Intake Air Temperature Sensor)<Use 12F 6
  • Part Description
    SENSOR, Computer Control Sensors
  • Replaces
    25318411, 15904068
  • Manufacturer
    General Motors
Customer Questions & Answers
This part fits the vehicle you selected:
2GCEK19N431339874 2003 Light Truck Silverado / Sierra - 03, 43, 53 Bodystyle (4WD / AWD) 8 Cyl 6.0L MFI, Iron, High Output; 4-Speed Automatic Transmission, HMD, 4L60-E/4L65-E, Heavy Duty; Silverado 1500 Extended Cab Standard Box
The vehicle options this part fits:
  • Fitting Vehicle Options: CK1,2,3(LM7,LQ4,LR4,L18,L31,L35,LQ9)
Check another vehicle
$308.21 MSRP: $558.72
You Save: $250.51 (45%)
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Product Specifications

BrandGenuine GM
Manufacturer Part Number19330121
Part DescriptionSENSOR, Computer Control Sensors
Other NamesAir Mass Sensor, Mass Air Flow Sensor
Item Dimensions9.5 x 7.2 x 6.3 inches
Item Weight0.90 Pounds
ConditionNew
Fitment TypeDirect Replacement
Replaces25318411, 15904068
ManufacturerGeneral Motors
SKU19330121
WarrantyThis genuine GM part is guaranteed by GM's factory warranty.
Shipping & ReturnShipping Policy Return Policy
Warning: California’s Proposition 65

Customer Questions & Answers

Q:
I am wonder if this is complete and correct part for my vehicle. Posted by GMPartsGiant Specialist
A:
You can Select Your Vehicle to check if 19330121 fits your vehicle.
Posted by GMPartsGiant Specialist
Q:
Where does this mass airflow sensor mount to? Posted by Customer
A:
This mass airflow sensor mounts on the aircleaner box
Posted by GMPartsGiant Specialist 5/10/2020
If you have any questions about this product, please don't hesitate to ask us. We will be happy to help you!

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