There are 6 choices

Choose One

SUBURBAN 1500
- AC
- Without AC
  - heavy duty heater (opt C42)
  - standard duty heater (opt C41)
SUBURBAN 2500
- AC
- Without AC
  - heavy duty heater (opt C42)
  - standard duty heater (opt C41)

Heater and A/C controls for 1978 GMC Suburban

Attention!

There are 6 choices for the 1978 GMC Suburban Heater and A/C controls !!!
Choose Your Option

SUBURBAN 1500 AC
SUBURBAN 1500 Without AC heavy duty heater (opt C42)
SUBURBAN 1500 Without AC standard duty heater (opt C41)
SUBURBAN 2500 AC
SUBURBAN 2500 Without AC heavy duty heater (opt C42)
SUBURBAN 2500 Without AC standard duty heater (opt C41)

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