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GMC Sierra Ignition Switches

This page covers ignition switches for the GMC Sierra, with parts spanning the 2002–2010 model years. The range includes standalone ignition switches as well as ignition lock cylinder and switch assemblies. Select your year above and we'll show only the ignition switches that fit your GMC Sierra. Fitment is checked against our vehicle data for every part listed.

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What's here for your GMC Sierra

  • Ignition Switch — the electrical switch component that controls power delivery when the key is turned
  • Ignition Lock Cylinder and Switch — combined assemblies pairing the mechanical lock cylinder with the integrated switch

The widest selection here comes from Standard Motor Products, Airtex Automotive Division, and ACDelco. Other categories GMC Sierra owners shop for: GMC Sierra Exterior Lights, GMC Sierra Valve Train Parts and GMC Sierra Springs and Suspension Parts, or browse all GMC Sierra parts and accessories.