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GMC Sierra Mass Air Flow Meters

2.7L I4, 3.0L I6 Duramax, 4.3L V6, 4.8L V8, 5.3L V8, 6.0L V8, 6.2L V8

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GMC Sierra Mass Air Flow Meters

Today’s GMC Sierra engines, like all vehicle engines, run well thanks to a careful balance of electronic measurements and programming – installing aftermarket 1999-2017 mass air meters is a positive step towards making sure your performance upgrades don’t throw that balance out of whack. The factory MAF isn’t designed to handle greatly increased air flow in most cases, resulting in lost power and even failures like blown head gaskets and valves. Fortunately, the problem is easy to solve – a high quality aftermarket mass air meter from AmericanTrucks (and a quick tuneup) will make your Sierra “aspiration ready.” These meters can handle the bigger measurements needed for engine air pressures that have been boosted by mandrel-bent cat-back exhausts, high flow CAIs, and other parts, to ensure that the right air-fuel mixture ends up in the combustion chamber.


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Fitment Includes

  • Base, C3, Classic, HT, Hybrid, Nevada Edition, SL, Z71, Denali, SLE, 1500, SLT and WT Sierras
  • Engines: 4.3L Vortec V6, 4.8L Vortec V8, 5.3L Vortec V8, 5.3L Flex-Fuel Vortec V8, 5.3L Vortec V8 Hybrid, 6.0L Vortec V8, 6.2L VVT Vortec V8, 4.3L EcoTec3 V6, 5.3L EcoTec3 V8, 6.2L EcoTec3 V8 Sierras

*Please see Sierra parts pages for any exceptions.