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GMC C1500 HVAC Relays

This page brings together HVAC relays for the GMC C1500 covering model years 1979–1999, 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 C1500. Each listing is matched to our vehicle fitment data before it appears here.

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What's here for your GMC C1500

  • 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 C1500 owners shop for: GMC C1500 Springs and Suspension Parts, GMC C1500 Engine Block Parts and GMC C1500 Doors and Door Parts, or browse all GMC C1500 parts and accessories.