Walker Products Mass Air Flow Sensor 245-1178 for 2004-2023 Chevrolet/GMC/Isuzu 7.8L 5.2L (T6500, T7500, W3500 Tiltmaster, W4500 Tiltmaster)
Always the correct part
Call or Chat
30-Day Returns Accepted
Free Ground Shipping
The Standard Ignition Mass Air Flow (part number MAS0377) is a direct-fit replacement for 2004-2023 Chevrolet, GMC, Isuzu, and Lexus vehicles with 7.8L, 5.2L, and 4.7L engines.
Specifications:
| Material | Metal, Plastic |
| Terminal Type | Pin |
| Terminal Quantity | 5 |
| Terminal Gender | Male |
| Number of Bolt Holes | 2 |
| Notes | Sensor Only |
| Housing Included | No |
| Connector Shape | Oval |
| Connector Quantity | 1 |
| Connector Gender | Female |
| Attachment Method | Bolt On |
Fits: 2004-2023 Chevrolet, GMC, Isuzu, Lexus, and Toyota models including T6500, T7500, T8500, W3500 Tiltmaster, W4500 Tiltmaster, W5500 Tiltmaster, W5500HD Tiltmaster, W3500 Forward and more — 7.8L, 5.2L, and 4.7L engines.
Confirm the year, make, model, and engine against your vehicle before ordering. Full application data is shown in the fitment lookup on this page.
Interchanges With: Beck/Arnley 158-1721, Delphi AF10205, NGK MG0055, Spectra Premium MA192, Motorad 1MF219, Hitachi Astemo MAF0035, BWD MA1209, Duralast DL-3019 and 13 more
WARNING: This product contains a chemical known to the State of California to cause cancer.