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73-87 CHEVY GMC TRUCK 10 20 30 HEATER CORE BOX, CONTROL FOR HEAT SYSTEM TRUCK#1 | eBay
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73-87 CHEVY GMC TRUCK 10 20 30 HEATER CORE BOX, CONTROL FOR HEAT SYSTEM TRUCK#1 | eBay
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Good Used 73-87 Under Dash AC Ducting 4 Piece Kit – Cheyenne Pickup Parts
73-87 Chevy Truck Auxiliary Under Dash Cab Heater Box Assembly 350 sierra square | eBay
1987 Chevy Pickup Truck Air Conditioning System | Classic Auto Air - Air Conditioning & Heating for 70's & older Cars & Trucks
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73-87 CHEVY GMC TRUCK 10 20 30 HEATER CORE BOX, CONTROL FOR HEAT SYSTEM TRUCK#1 | eBay
1973-89 Heating Core & Blower Motor Parts
1973-1990 All Makes All Models Parts | 14446 | 1973-90 Chevy / GMC Truck A/C Delete Cover - Suburban - Blazer - Jimmy | Classic Industries
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73-87 CHEVY TRUCK SQUAREBODY A/C HEAT DELETE PANEL PLATE – Lewis Metal Works
73-87 CHEVY TRUCK SQUAREBODY A/C HEAT DELETE PANEL PLATE – Lewis Metal Works
1973 to 90 GM & GMC Truck AC Delete Cover for C/K Series, Suburban, Jimmy, Blazer and more
73-87 Chevy Truck Auxiliary Under Dash Cab Heater Box Assembly 350 sierra square | eBay
Square body heater core replacement tips - YouTube
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1973-1987 All Makes All Models Parts | 3027265 | 1973-87 Chevrolet, GMC Pickup, Blazer, Jimmy, Suburban; Heater Core Assembly; with AC; Copper/Brass; Measures; 7 1/8" x 7 1/2" x 2" | Classic Industries
How to replace the heater core in a 73-87 Squarebody Chevy. - YouTube