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GMC Sierra 2500 Ignition Switches

This page covers ignition switches for the GMC Sierra 2500, spanning model years 1999–2011. The range includes ignition lock cylinders and ignition switches to cover the two main components of the starting system. Select your year above and we'll show only the ignition switches that fit your GMC Sierra 2500. Fitment is checked against our vehicle data for every part listed.

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What's here for your GMC Sierra 2500

  • Ignition Lock Cylinder and Switch assemblies
  • Ignition Switch components

The widest selection here comes from Standard Motor Products, Dorman, Airtex Automotive Division, and ACDelco. Other categories GMC Sierra 2500 owners shop for: GMC Sierra 2500 Exterior Lights, GMC Sierra 2500 Doors and Door Parts and GMC Sierra 2500 Body and Paint Equipment, or browse all GMC Sierra 2500 parts and accessories.