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GMC C6500 Cooling & HVAC For Sale

Shop used GMC C6500 Cooling & HVAC on MyLittleSalesman.com . Compare active listings with prices from $20 to $750. Sellers include CRG Heavy Truck Parts, Holst Truck Parts, Rocky Mountain Truck Parts, and more. Filter by condition, price, or year to find the GMC C6500 that fits your job.
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Truck Parts (46)
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Cooling & HVAC (46)
   A/C Compressors (1)    A/C Condensers (6)    Coolant Reservoirs (2)    Cooling Assemblies (Rad., Cond., ATAAC) (3)    Heater / AC Climate Control Parts (9)    Heater Core Boxes (1)    Intercoolers & Charge Air Coolers (3)    Intercoolers (2)    Radiator Overflow Bottles / Surge Tanks (7)    Radiator Shrouds (2)    Radiators (10)
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GMC (46)
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C6500 (46)
Condition
Used (46)
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Showing 1 - 25 of 46 Listings

1 - 25 of 46 listings
1 - 25 of 46 listings
GMC C6500 Radiator Overflow Bottle / Surge Tank

1999 GMC C6500 Radiator Overflow Bottle / Surge Tank

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(Used) 1999 GMC C6500, RADIATOR OVERFLOW BOTTLE- Side: Passenger Right Side, Location: On Radiator, Dimensions: W=13.5", H=14", Material: Plastic, Reference images for condition, For more...
ConditionUsed
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)1999
Stock NumberP-505755
MLS Number14429833
CategoryRadiator Overflow Bottles / Surge Tanks
Last Updated6/14/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
GMC C6500 A/C Condenser

1999 GMC C6500 A/C Condenser

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(Used) 1999 GMC C6500, A/C CONDENSER- Price is for AC Condenser ONLY-Picture is for display only, Material: Aluminum, Dimensions: W=28.5", H=15.5", Engine: GM/Chev (HD) 7.4L, Less Radiator...
ConditionUsed
Engine Model7.4 L
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)1999
Stock NumberP-505754
MLS Number14429832
CategoryA/C Condensers
Last Updated6/14/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
GMC C6500 Radiator

1999 GMC C6500 Radiator

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(Used) 1999 GMC C6500, RADIATOR- Price is for Radiator ONLY-Picture is for display only, Material: Steel and Aluminum, Dimensions: W=43.5", H=25", Engine: GM/Chev (HD) 7.4L, Less Condenser...
ConditionUsed
Engine Model7.4 L
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)1999
Stock NumberP-505753
MLS Number14429831
CategoryRadiators
Last Updated6/14/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
GMC C6500 Radiator

2000 GMC C6500 Radiator

$250 USD
GOOD USED RADIATOR. WILL BE PRESSURE CHECKED TOP FITTING HAS BEEN CROSS THREADED, Dimensions: N/A, Engine Make: GM/Chev (HD), Engine Model: 454, Fill Location: N/A
ConditionUsed
Engine Model454
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)2000
Stock Number91818-14
MLS Number9516838
CategoryRadiators
Last Updated5/14/2026
Location
Ucon, ID, US
Sold By
Holst Truck Parts
(833) 541-___  SHOW
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Holst Truck Parts
GMC C6500 Cooling Assembly

1998 GMC C6500 Cooling Assembly

$750 USD
Cooling System Assembly, Good Condition, Charge Air, Condenser, Radiator, Radiator Shroud, and Coolant Reservoir (if attached) Included. Call DTI Trucks for more information and a shipping...
ConditionUsed
Fits To Make(s)GMC
Fits To Model(s)C6500
Stock Number71822
MLS Number13456621
CategoryCooling Assemblies (Rad., Cond., ATAAC)
Last Updated5/12/2026
Location
Wheat Ridge, CO, US
Sold By
DTI Truck Parts
(833) 614-___  SHOW
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DTI Truck Parts
GMC C6500 Radiator

1999 GMC C6500 Radiator

$249.99 USD
(Used) 1999 GMC C6500, RADIATOR- Price is for Radiator ONLY-Picture is for display only. Location: Front Of Truck, Material: Steel and Aluminum, Engine: Caterpillar 3126, Less Condenser...
ConditionUsed
Engine ModelCaterpillar 3126
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)1999
Part NumberTBD
Stock NumberP-110412
MLS Number13796629
CategoryRadiators
Last Updated6/14/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Used 2006 GMC C6500 Heater / AC Temperature Control Assembly

Used 2006 GMC C6500 Heater / AC Temperature Control Assembly

$84.97 USD
(Used) 2006 Gmc C6500, TEMPERATURE CONTROL ASSEMBLY- Settings: Fan Speed, Temp, Air Position, Material: Plastic, For more information about this item, give us a call.We ship Worldwide! (CRG...
ConditionUsed
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)2006
Stock NumberP-45777
MLS Number12349066
CategoryHeater / AC Climate Control Parts
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
GMC C6500 Radiator

2000 GMC C6500 Radiator

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GMC C6500 COOLING PACKAGE INCLUDES RADIATOR, ACAC,AC CONDENSER,OVERFLOW BOTTLE..., Engine Make: Caterpillar, Engine Model: 3126, With Frame: true
ConditionUsed
Engine ModelCaterpillar 3126
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)2000
Stock NumberGM-0392-21
MLS Number9988933
CategoryRadiators
Last Updated6/13/2026
Location
York, ON, Canada
Sold By
Lomoca Inc.
(833) 835-___  SHOW
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Lomoca Inc.
GMC C6500 Intercooler

2005 GMC C6500 Intercooler

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(Used) 2005 GMC C6500, INTERCOOLER- Price is for Intercooler ONLY - Picture is for display only, Engine: Caterpillar C7, Material: Aluminium, Dimensions: Core Length: 43”, Core Height: 19”,...
ConditionUsed
Engine ModelCaterpillar C7
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)2005
Stock NumberP-81794
MLS Number12913801
CategoryIntercoolers
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
GMC C6500 Coolant Reservoir

2005 GMC C6500 Coolant Reservoir

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(Used) 2005 GMC C6500, COOLANT RESERVOIR/RADIATOR OVERFLOW BOTTLE- Location: Driver Left side, Material: Plastic, Dimensions: L=17”, H=6”, W=8”, For more information about this item, give us...
ConditionUsed
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)2005
Stock NumberP-81796
MLS Number12913804
CategoryCoolant Reservoirs
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
Used 2005 GMC C6500 Heater/AC Temperature Control Assembly

Used 2005 GMC C6500 Heater/AC Temperature Control Assembly

Contact for price
(Used) 2005 GMC C6500, TEMPERATURE CONTROL ASSEMBLY- Settings: Fan Speed, Temp, Air Position, Material: Plastic, For more information about this item, give us a call. We ship Worldwide! (CRG...
ConditionUsed
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)2005
Stock NumberP-81810
MLS Number12920697
CategoryHeater / AC Climate Control Parts
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
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CRG Heavy Truck Parts
GMC C6500 A/C Condenser

1999 GMC C6500 A/C Condenser

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(Used) 1999 GMC C6500, A/C CONDENSER- Price is for AC Condenser ONLY-Picture is for display only. Location: On Radiator, Material: Aluminum, Engine: Caterpillar 3126, Less Radiator and...
ConditionUsed
Engine ModelCaterpillar 3126
Fits To Make(s)GMC
Fits To Model(s)C6500
Will Fit Year(s)1999
Part NumberTBD
Stock NumberP-110414
MLS Number13796631
CategoryA/C Condensers
Last Updated5/13/2026
Location
Elkton, MD, US
Sold By
CRG Heavy Truck Parts
(844) 402-___  SHOW
NUMBERCall Seller
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CRG Heavy Truck Parts
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