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GMC K3500 HVAC Relays

This page brings together HVAC relays for the GMC K3500, covering model years 1979–2000, including A/C clutch relays, auxiliary heater relays, and compressor control relays. Choose your model year above and this page keeps only the hvac relays that fit your GMC K3500. Each listing is matched to our vehicle fitment data before it appears here.

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What's here for your GMC K3500

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

The widest selection here comes from Standard Motor Products, ATP, Airtex Automotive Division, and Four Seasons. Other categories GMC K3500 owners shop for: GMC K3500 Exhaust and Tail Pipes, GMC K3500 Brake Hardware and GMC K3500 Valve Train Parts, or browse all GMC K3500 parts and accessories.