GM

78-82 Chevy GMC C10 K10 C20 K20 Blazer Suburban Heater AC Control For Parts

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SKU: 79338
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Why buy from Koskowski Automotive?
• 50+ years (since 1972) • Dorman Authorized Seller • Fast shipping • Easy returns
Regular price $35.99
Vehicle Fitment: Use the table below to match your exact configuration. If you don’t see your exact setup, message us before ordering.

Product details

  • Condition Used – See Description
  • SKU 79338
  • Barcode 257847224466
Koskowski Automotive, LLC
Family-Owned Since 1972  •  Fulton, NY  •  Light Trucks & SUV Specialists
BBB A+ Rated 50+ Years Experience Truck & SUV Specialists
Used – OEM Pull Inspected & Tested Before Listing  •  Fast Shipping  •  30-Day Returns

Here we are offering a Heat/AC Controller that was removed from the following donor vehicle:

  • Stock Number: 00991804
  • Model: CHEVROLET 10 PICKUP 1981
  • VIN: 1GCDC14H7BF316221
  • Odometer:
  • Tag: 0000055660
  • Part Comments: 78 - 82 AC CONTROLLER PARTS

Condition Description:

FOR PARTS OR REPAIR ONLY - not working. This is a used OEM GM heater / A/C control removed from a 1981 Chevrolet C10 pickup 5.0L, sold as a parts unit, not from a running vehicle test. All levers present; the face overlay is wrinkled and scuffed, and the steel plate has surface rust and grime. The part shown in the images is the exact item we will ship you. Please review all images and ask questions before buying.


What this is: Factory GM squarebody heater / A/C control head (Air Cond MAX-NORM-BI-LEVEL, Economy VENT-HEATER, DEF) with vacuum selector valve and blower switch, 1978-82 C/K trucks, Blazer, Jimmy and Suburban with factory A/C.

Part numbers:

  • 655-1034 - Hollander interchange, 78-82 C/K w/ A/C

How to match your original: Match the face legend (AIR COND MAX NORM BI-LEVEL, ECONOMY VENT HEATER, DEF, COLD-HOT, fan HI-LO) and the yellow vacuum selector valve and blower switch on the back. Not the 1973-77 style and not for trucks without A/C.

Condition:

  • Sold for parts or repair only - not working
  • All three levers present
  • Face overlay wrinkled/scuffed (photo 14)
  • Surface rust and grime on the steel plate and rivets (photos 1-5)
  • Yellow vacuum valve and blower switch attached

Color note: Colors can look different from screen to screen and in different lighting, and factory colors can vary by year and fade with age. Please compare the photos to your original part before buying.


Interchange:

Also fits the following models:

CHEVROLET C10 1978 - 1982 Heater AC Control with AC; w/AC
CHEVROLET C10 SUBURBAN 1980 - 1982 Heater AC Control with AC; w/AC
CHEVROLET C20 1978 - 1982 Heater AC Control with AC; w/AC
CHEVROLET C20 SUBURBAN 1980 - 1982 Heater AC Control with AC; w/AC
CHEVROLET C30 1978 - 1982 Heater AC Control with AC; w/AC
CHEVROLET K10 1978 - 1982 Heater AC Control with AC; w/AC
CHEVROLET K10 SUBURBAN 1980 - 1982 Heater AC Control with AC; w/AC
CHEVROLET K20 1978 - 1982 Heater AC Control with AC; w/AC
CHEVROLET K20 SUBURBAN 1980 - 1982 Heater AC Control with AC; w/AC
CHEVROLET K30 1978 - 1982 Heater AC Control with AC; w/AC
CHEVROLET K5 BLAZER 1978 - 1982 Heater AC Control with AC; w/AC
GMC C15 1978 - 1978 Heater AC Control with AC; w/AC
GMC C1500 1979 - 1982 Heater AC Control with AC; w/AC
GMC C1500 SUBURBAN 1979 - 1982 Heater AC Control with AC; w/AC
GMC C25 1978 - 1978 Heater AC Control with AC; w/AC
GMC C2500 1979 - 1982 Heater AC Control with AC; w/AC
GMC C2500 SUBURBAN 1979 - 1982 Heater AC Control with AC; w/AC
GMC C35 1978 - 1978 Heater AC Control with AC; w/AC
GMC C3500 1979 - 1982 Heater AC Control with AC; w/AC
GMC JIMMY 1978 - 1982 Heater AC Control with AC; w/AC
GMC K15 1978 - 1978 Heater AC Control with AC; w/AC
GMC K1500 1979 - 1982 Heater AC Control with AC; w/AC
GMC K1500 SUBURBAN 1979 - 1982 Heater AC Control with AC; w/AC
GMC K25 1978 - 1978 Heater AC Control with AC; w/AC
GMC K2500 1979 - 1982 Heater AC Control with AC; w/AC
GMC K2500 SUBURBAN 1979 - 1982 Heater AC Control with AC; w/AC
GMC K35 1978 - 1978 Heater AC Control with AC; w/AC
GMC K3500 1979 - 1982 Heater AC Control with AC; w/AC


Hollander interchange 655-1034 fits:

  • Chevrolet Blazer/Jimmy (full Size) 1978-1982: w/AC
  • Chevrolet Chevrolet 10 Pickup 1978-1982: w/AC
  • Chevrolet Chevrolet 20 Pickup 1978-1982: w/AC
  • Chevrolet Chevrolet 30 Pickup 1978-1982: w/AC
  • Chevrolet Suburban 10 1980-1982: w/AC
  • Chevrolet Suburban 1500 1978-1982: w/AC
  • Chevrolet Suburban 20 1980-1982: w/AC
  • Chevrolet Suburban 2500 1978-1982: w/AC
  • GMC GMC 1500 Pickup 1978-1982: w/AC
  • GMC GMC 2500 Pickup 1978-1982: w/AC
  • GMC GMC 3500 Pickup 1978-1982: w/AC

Interchange Notes:

Please verify the interchange of this part using the pictures and part numbers (when possible) that have been provided before purchasing this item. You may also want to contact your local dealer to verify the fitment of this part. We are sorry, we have no written interchange for this part and have offered the above interchange as a suggestion and we urge you to verify before buying. If you have any questions, need more pictures, or have any doubt this is like your part, please don't buy it. We want to sell you the right part, so feel free to contact us! This may fit other years and models as well!

Why Buy From Koskowski Automotive
Inspected Before Listing
Every used part is cleaned and inspected. What you see in the photos is what you get.
Fast Shipping
Ships within 1–2 business days. Carefully packaged to prevent damage in transit.
30-Day Returns
Returns accepted within 30 days. Message us first — we’ll make it right.
Family-Owned Since 1972
50+ years serving vehicle owners, DIY mechanics, and repair shops.
Real Support
Have a question? Message us before or after buying — we respond fast.
BBB A+ Rated
Trusted seller with thousands of transactions and a proven track record.
Shipping & Returns
Handling Time
1–2 Business Days
Return Window
30 Days
Return Shipping
Buyer Pays
Restocking Fee
None
Compatibility returns: If a part does not fit your vehicle, please message us before opening a return. We may be able to help identify the correct part or resolve the issue quickly.
Koskowski Automotive, LLC  •  Fulton, NY  •  Family-Owned Since 1972
Light Truck & SUV Specialists  •  BBB A+ Rated  •  4-Acre Salvage Yard  •  200–500 Vehicles in Stock
Thank you for shopping with us. We appreciate your business.

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