1981 GMC K2500 Cooling and Heating Parts

2,621 products fit your

1981 GMC K2500

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1981 GMC K2500

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Speedway Motors |

#42810100

Speedway A/C Hose Crimp Fitting Kit

(20)

A/C Line Material:

Rubber

A/C Line Finish:

Black

Hardware Included:

Yes

$125.99

/each

-7%

Vintage Air |

#725506101

Vintage Air 506101 Gen-II Heater Assembly, Plastic, Black

(22)

Overall Height:

10.25"

Sold in Quantity:

Each

$352.99

/each

$382.00

Speedway Motors |

#58066643

Fan/Shroud/Cooler Mounting Kit

(48)

Overall Length:

8.50"

Diameter:

.1875"

Color:

Black

$18.99

/each

Heavy Duty Aluminum Transmission Cooler, Powder Coated Black

Speedway Motors |

#91023105

Heavy Duty Aluminum Transmission Cooler, Powder Coated Black

(34)

Core Height:

13.00"

Core Width:

7.50"

Core Thickness:

.75"

$44.99

/each

Black Socketless Straight Push-On Hose End Fitting, -6 AN

Speedway Motors |

#62020021

Black Socketless Straight Push-On Hose End Fitting, -6 AN

(43)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$13.99

/each

Car Cooling System Components

How does a cooling system work? Why is your engine overheating? What parts should you be giving your attention to? This guide answers all your questions.

Cooling a '46 Ford Sedan

In this Tech Tip, John offers some guidance to a customer looking to cool his 1946 Ford Sedan.

Keeping your 1955 Chevy Cool

Shortcuts don't always pay off. Zach Raddatz walk us through his experience with a cheap radiator so we don't make the same mistake!

A/C 101 on a '65 Mustang

Speedway Motors employee Alanna C. walks through the how-to of installing the Vintage Air A/C in her 1965 Ford Mustang.

Upgrading the Cooling System for a Small Block Chevy

Learn how to successfully upgrade the cooling system for a 400 small block Chevy. Read tips for installing a water pump and auxiliary coolant lines using fittings and fuel hoses.

Installing an External Oil Cooler

In this guide, Kevin demonstrates how to properly install an external oil cooler in his '54 Chevy Belair with a Big Block Chevy engine.

Speedway 180 Degree High Flow Thermostat

Speedway Motors |

#91015703

Speedway 180 Degree High Flow Thermostat

(74)

Temp. Range:

180 degrees

Gasket(s) Included:

$28.99

/each

Vintage Air |

#7255002

Vintage Air Underdash Heat & A/C Kit, Engine Turned, Hor. Cond.

(2)

A/C Compatibility:

Universal Kits

A/C Kit Style:

Compact A/C Kit

Dash Vent Location:

Underdash

$1,085.99

/each

Stainless T-Bolt Clamp, 1-5/8 Inch Minimum Clamping Diameter

Speedway Motors |

#910553321

Stainless T-Bolt Clamp, 1-5/8 Inch Minimum Clamping Diameter

(10)

Style:

T-Bolt

Material Type:

Stainless Steel

Color:

Natural

$5.99

/each

Proform |

#58667038

Proform 67038 Brushless 2 Pack 12 Inch 4200 CFM Electric Fan Kit

(11)

Fan Diameter:

12 Inch

Fan Flow Type:

Pull

Overall Width:

12.5"

$359.95

/pair

Gates |

#39532929

Gates 32929 Power Grip Hose Clamp, 1-1/16 Inch - 1-3/16 Inch OD

(1)

Style:

Heat-Shrink

Material Type:

Thermoplastic

Color:

Black

$10.49

/each

Painless Wiring |

#91030103

Painless Wiring 30103 Fan Relay w/ Thermostatic Switch, 185/175

(28)

Sold in Quantity:

Each

GTIN Code:

749823301030

$55.99

/each

Speedway Motors |

#91015616

Speedway 16 Lb. Thermocap Radiator Cap

(31)

Pressure Rating:

16 psi

Material Type:

Steel

$40.99

/each

Proform |

#58667035

Proform 67035 Brushless 14 Inch Electric Fan, 2900 CFM

(5)

Fan Diameter:

14 Inch

Maximum Fan CFM:

2800 CFM

Fan Flow Type:

Pull

$197.95

/each

Black 90 Degree Socketless Push-On Hose End Fitting, -6 AN

Speedway Motors |

#62020161

Black 90 Degree Socketless Push-On Hose End Fitting, -6 AN

(41)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$18.99

/each

3/8 Inch-24 IFM to -3 AN Male Steel Brake Adapter Connector Fitting

Speedway Motors |

#6174396

3/8 Inch-24 IFM to -3 AN Male Steel Brake Adapter Connector Fitting

(40)

Fitting End A:

-3 AN Male

Fitting End B:

3/8"-24 I.F. Male

Material Type:

Steel

$14.49

/pair

-9%

Aeromotive |

#10915356

Aeromotive 15356 -10AN Straight PTFE Hose Fitting, Black Anodized

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$35.09

/each

$38.60

-9%

Aeromotive |

#10915612

Aeromotive 15612 -12 AN ORB to -12 AN Male AdapterFitting

Fitting End A:

-12 AN Male

Fitting End B:

-12 AN Male O-ring

Angle:

Straight

$40.62

/each

$44.68

-9%

Aeromotive |

#10915604

Aeromotive 15604 -10 AN to -10 AN Male Flare Union Fitting

Fitting End A:

-10 AN Male

Fitting End B:

-10 AN Male

Angle:

Straight

$18.11

/each

$19.92

NOTCHEAD |

#91023166

Notchead 2316-6 Braided Line Clamps, -3 AN

Material Type:

Plastic

Color:

Black

Maximum Clamping Diameter:

0.25"

$19.59

/bag

New Vintage USA |

#2765312779

New Vintage USA 53127-79 M-153 Series Water Temperature Gauge

Gauge Diameter:

2-1/16"

Gauge Type:

Water/Transmission/Oil Temperature

Gauge Range:

100-280

$131.99

/each

New Vintage USA |

#2760212701

New Vintage USA 02127-01 Performance ll 2 1/16 Water Temp Black

Gauge Diameter:

2-1/16"

Gauge Range:

100-280 °F

Bezel Finish:

Titanium

$131.99

/each

New Vintage USA |

#2760212703

New Vintage USA 02127-03 Performance ll 2 1/16 Water Temp White

Gauge Diameter:

2-1/16"

Gauge Range:

100-280 °F

Bezel Finish:

Titanium

$131.99

/each

-9%

Aeromotive |

#10915695

Aeromotive 15695 -8 AN ORB to -8 AN to 1/8 NPT Port Gauge Fitting

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Male o-ring

Angle:

Straight

$40.62

/each

$44.68

$694 Off

Holley |

#42520181

Holley 20-181 Premium Mid-Mount Race Accessory System

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Billet Aluminum

Water Pump Included:

Yes

$3,299.95

/each

$3,993.95

-6%

Earls |

#425679110ERL

Earls 679110ERL 90 Degree -10 AN Tube Hose End

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$49.95

/each

$53.67

-7%

Earls |

#425171006ERL

Earls 171006ERL Cushioned Hose Clamp, Fits 3/8 Inch Tube Or Hose O.D.

(4)

Material Type:

Aluminum

Color:

Natural

Maximum Clamping Diameter:

0.375"

$27.45

/each

$29.69

-7%

Earls |

#425900506ERL

Earls 900506ERL Black Hose Clamp Fits Perform-O-Flex Hose Size 6

Style:

Worm Gear | Housing

Material Type:

Aluminum

Color:

Black

$8.93

/each

$9.66

-6%

Holley |

#425199103

Holley 199-103 SD508 Sanden Style Style A/C Compressor, Black

Material Type:

Aluminum

Finish:

Black

A/C Pulley Included:

Yes

$549.95

/each

$590.95

-6%

Holley |

#425199105

Holley 199-105 SD508 Sanden Style Style A/C Compressor, Polished

Material Type:

Aluminum

Finish:

Polished

A/C Pulley Included:

Yes

$649.95

/each

$691.95

$325 Off

Holley |

#42520221BK

Holley 20-221BK GM LT4 Engine Dry Sump Mid-Mount Accessory System

Pulley Style:

Serpentine

Crankshaft Pulley Included:

Water Pump Included:

Yes

$3,949.95

/kit

$4,274.95

-16%

Speedhut |

#140182101R

Speedhut R2-WT1-REV 2-1/16" Water Temp Gauge 120-260F w/Warning

Gauge Diameter:

2-1/16"

Gauge Range:

120-260 degrees F

Bezel Finish:

Chrome

$146.72

/each

$176.07

-16%

Speedhut |

#140182501S

Speedhut R25-WT1-SXL 2-5/8" Water Temperature Gauge, 120-260°F

Gauge Diameter:

2-5/8"

Gauge Range:

120-260 F

Bezel Finish:

Black

$159.85

/each

$191.82

-16%

Speedhut |

#140182502R

Speedhut R25-WT2-REV 2-5/8" Water Temp Gauge 50-125C w/Warning

Gauge Diameter:

2-5/8"

Gauge Range:

50-125 degrees C

Bezel Finish:

Chrome

$159.85

/each

$191.82

-16%

Speedhut |

#140182511S

Speedhut L25-WT1-SXL 2-5/8" Water Temperature Gauge, 120-260°F

Gauge Diameter:

2-5/8"

Gauge Range:

120-260 F

Bezel Finish:

Black

$146.72

/each

$176.07

-16%

Speedhut |

#140182512A

Speedhut L25-WT2-ATQ 2-5/8" Water Temp Gauge, 100-300F

Gauge Diameter:

2-5/8"

Gauge Range:

50-125C

Bezel Finish:

Chrome

$146.72

/each

$176.07

-16%

Speedhut |

#140182512L

Speedhut L25-WT2-LEG 2-5/8" Water Temp Gauge 50-125C

Gauge Diameter:

2-5/8"

Gauge Range:

50-125 degrees C

Bezel Finish:

Chrome

$146.72

/each

$176.07

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1981 GMC K2500 Cooling and Heating Parts

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Part

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Transmission Family

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Customer Rating

Products

Speedway A/C Hose Crimp Fitting Kit

Vintage Air 506101 Gen-II Heater Assembly, Plastic, Black

Fan/Shroud/Cooler Mounting Kit

Heavy Duty Aluminum Transmission Cooler, Powder Coated Black

Black Socketless Straight Push-On Hose End Fitting, -6 AN

Related Articles

Speedway 180 Degree High Flow Thermostat

Vintage Air Underdash Heat & A/C Kit, Engine Turned, Hor. Cond.

Stainless T-Bolt Clamp, 1-5/8 Inch Minimum Clamping Diameter

Proform 67038 Brushless 2 Pack 12 Inch 4200 CFM Electric Fan Kit

Gates 32929 Power Grip Hose Clamp, 1-1/16 Inch - 1-3/16 Inch OD

Painless Wiring 30103 Fan Relay w/ Thermostatic Switch, 185/175

Speedway 16 Lb. Thermocap Radiator Cap

Proform 67035 Brushless 14 Inch Electric Fan, 2900 CFM

Black 90 Degree Socketless Push-On Hose End Fitting, -6 AN

3/8 Inch-24 IFM to -3 AN Male Steel Brake Adapter Connector Fitting

Aeromotive 15356 -10AN Straight PTFE Hose Fitting, Black Anodized

Aeromotive 15612 -12 AN ORB to -12 AN Male AdapterFitting

Aeromotive 15604 -10 AN to -10 AN Male Flare Union Fitting

Notchead 2316-6 Braided Line Clamps, -3 AN

New Vintage USA 53127-79 M-153 Series Water Temperature Gauge

New Vintage USA 02127-01 Performance ll 2 1/16 Water Temp Black

New Vintage USA 02127-03 Performance ll 2 1/16 Water Temp White

Aeromotive 15695 -8 AN ORB to -8 AN to 1/8 NPT Port Gauge Fitting

Holley 20-181 Premium Mid-Mount Race Accessory System

Earls 679110ERL 90 Degree -10 AN Tube Hose End

Earls 171006ERL Cushioned Hose Clamp, Fits 3/8 Inch Tube Or Hose O.D.

Earls 900506ERL Black Hose Clamp Fits Perform-O-Flex Hose Size 6

Holley 199-103 SD508 Sanden Style Style A/C Compressor, Black

Holley 199-105 SD508 Sanden Style Style A/C Compressor, Polished

Holley 20-221BK GM LT4 Engine Dry Sump Mid-Mount Accessory System

Speedhut R2-WT1-REV 2-1/16" Water Temp Gauge 120-260F w/Warning

Speedhut R25-WT1-SXL 2-5/8" Water Temperature Gauge, 120-260°F

Speedhut R25-WT2-REV 2-5/8" Water Temp Gauge 50-125C w/Warning

Speedhut L25-WT1-SXL 2-5/8" Water Temperature Gauge, 120-260°F

Speedhut L25-WT2-ATQ 2-5/8" Water Temp Gauge, 100-300F

Speedhut L25-WT2-LEG 2-5/8" Water Temp Gauge 50-125C