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GMC K15 Cooling System Switches

This page covers cooling system switches for the GMC K15, spanning the 1975–1978 model years. The range includes auxiliary engine cooling fan switches and engine coolant temperature switches, with options from several brands. Select your year above and we'll show only the cooling system switches that fit your GMC K15. Fitment is checked against our vehicle data for every part listed.

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What's here for your GMC K15

  • Auxiliary Engine Cooling Fan Switches
  • Engine Coolant Temperature Switches

The widest selection here comes from Standard Motor Products, Hayden Automotive, Motorad, and Four Seasons, giving GMC K15 owners a broad set of options across both switch types. Other categories GMC K15 owners shop for: GMC K15 Steering Wheels, GMC K15 Exhaust and Tail Pipes and GMC K15 Doors and Door Parts, or browse all GMC K15 parts and accessories.