1991 GMC C3500HD HVAC Heater Cores
Save up to 40% on original replacement 1991 GMC C3500HD HVAC Heater Cores. Navigate our online catalogue to find HVAC Heater Cores and other parts designed specifically to fit a 1991 GMC C3500HD.


HVAC Heater Core
$55.25
In Stock
Ships: Next Business Day
Pick-Up: Next Business Day
Pick-Up: Next Business Day
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
With AC
With AC

HVAC Heater Core
$63.15
In Stock
Ships: Today, Sep. 23rd
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Pick-Up: Ready in 1 Hour (Order before 4:30 PM)
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
Without AC
Without AC






HVAC Heater Core
$73.14
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
w/ AC
w/ AC







HVAC Heater Core
Call for Pricing
Call For Availability
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle Fitment Notes:
w/o AC
w/o AC

HVAC Heater Core
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);
Engine Base: 5.7L 350ci V8 (4.00x3.48; 101.6x88.5);

HVAC Heater Core
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);
Engine Base: 6.2L 379ci V8 (3.98x3.82; 101.0x97.0);

HVAC Heater Core
Call for Pricing
Out of Stock
Condition: New
Required Per Vehicle: 1
Required Per Vehicle: 1
Vehicle fitment:
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);
Engine Base: 7.4L 454ci V8 (4.25x4.00; 108.0x101.6);