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GMC Sierra 2500 HD HVAC Relays

This page brings together HVAC relays for the GMC Sierra 2500 HD covering model years 2001–2016, including A/C clutch relays, temperature control relays, and auxiliary heater relays. Select your year above and we'll show only the hvac relays that fit your GMC Sierra 2500 HD. Fitment is checked against our vehicle data for every part listed.

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What's here for your GMC Sierra 2500 HD

  • A/C Clutch Relays
  • Temperature Control Relays
  • A/C Compressor Control Relays
  • Auxiliary Heater Relays

The widest selection here comes from Standard Motor Products, ATP, Four Seasons, and Airtex Automotive Division. Other categories GMC Sierra 2500 HD owners shop for: GMC Sierra 2500 HD Shocks and Struts, GMC Sierra 2500 HD Exterior Lights and GMC Sierra 2500 HD Springs and Suspension Parts, or browse all GMC Sierra 2500 HD parts and accessories.