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GMC Sierra 3500 HD Transfer Case Switches

This page brings together transfer case switches for the GMC Sierra 3500 HD, covering model years 2007–2019. The range here includes the switches that control four-wheel-drive engagement from inside the cab. Pick your GMC Sierra 3500 HD's year above to narrow the list to transfer case switches with confirmed fitment. Every part shown is checked against our vehicle data.

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What's here for your GMC Sierra 3500 HD

  • Transfer case switches for 2007–2019 GMC Sierra 3500 HD applications

The widest selection here comes from Dorman, Standard Motor Products, and Airtex Automotive Division, each offering transfer case switch options designed to match OE form and connector style. Other categories GMC Sierra 3500 HD owners shop for: GMC Sierra 3500 HD Springs and Suspension Parts, GMC Sierra 3500 HD Air and Fuel Filters and GMC Sierra 3500 HD Shocks and Struts, or browse all GMC Sierra 3500 HD parts and accessories.