GMC K15 HVAC Hoses and Pipes
This page brings together HVAC hoses and pipes for the GMC K15, covering model years 1975–1978. The range includes both heater hoses and A/C hose assemblies, giving owners of this classic truck a focused place to find the right piece for the job. Select your year above and we'll show only the hvac hoses and pipes that fit your GMC K15. Fitment is checked against our vehicle data for every part listed.
What's here for your GMC K15
- HVAC Heater Hoses — formed and straight hose options for the cooling and heating circuit
- A/C Hose Assemblies — pre-formed assemblies for the air conditioning system
The widest selection here comes from Four Seasons, Gates, ACDelco, and Universal Air Conditioner, spanning both heater hose and A/C assembly categories for the 1975–1978 GMC K15. 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.