1981 GMC C2500 Cooling and Heating Parts

2,679 products fit your

1981 GMC C2500

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1981 GMC C2500

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$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

$409 Off

Holley |

#42520186BK

Holley 20-186BK GM LS Engine Mid-Mount Accessory System, Black

Pulley Style:

Serpentine

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Steel

$2,299.95

/kit

$2,708.95

$445 Off

Holley |

#42520187

Holley 20-187 Mid-Mount LS Race Accessory System

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Billet Aluminum

Water Pump Included:

Yes

$2,149.95

/each

$2,594.95

$813 Off

Holley |

#42520190

Holley 20-190 Premium Mid-Mount LS7 Complete Accessory System

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Billet Aluminum

Water Pump Included:

Yes

$3,799.95

/each

$4,612.95

$807 Off

Holley |

#42520190BK

Holley 20-190BK Premium Mid-Mount LS7 Complete Accessory System

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Billet Aluminum

Water Pump Included:

Yes

$3,749.95

/each

$4,556.95

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.

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!

Cooling a '46 Ford Sedan

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

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.

-8%

Earls |

#4251128ERL

Earls 1128ERL Trans Oil Cooler Adapter, Replaces Thermostat, 6L80

(1)

Fitting End A:

-6 AN Male

Fitting End B:

Bolt-on

Material Type:

Billet Aluminum

$69.75

/each

$75.95

$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

-7%

Earls |

#425139106ERL

Earls 139106ERL Power Steering Hose End, -6 JIC

(5)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$38.00

/each

$41.11

-7%

Earls |

#425809106ERL

Earls 809106ERL 90 Degree -6 AN Female to -6 AN Hose Adapter

(1)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$40.68

/each

$44.01

-7%

Earls |

#425812006ERL

Earls 812006ERL 120 Degree -6 AN Female to -6 AN Hose Adapter

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$44.35

/each

$47.97

-7%

Earls |

#425812008ERL

Earls 812008ERL 120 Degree -8 AN Female to -8 AN Hose Adapter

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$51.95

/each

$56.19

$738 Off

Holley |

#42520200BK

Holley 20-200BK Premium Mid-Mount Complete Accessory System, LT

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Billet Aluminum

Water Pump Included:

Yes

$3,649.95

/each

$4,387.95

$905 Off

Holley |

#42520200P

Holley 20-200P Premium Mid-Mount Complete Accessory System, LT

Crankshaft Pulley Included:

Yes

Crankshaft Pulley Material:

Billet Aluminum

Water Pump Included:

Yes

$4,399.95

/each

$5,304.95

-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

-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

-7%

Earls |

#425170203ERL

Earls 170203ERL Line Clamp, 3/16 Inch, Package Of 6

(2)

Material Type:

Aluminum

Color:

Natural

Maximum Clamping Diameter:

0.1875"

$39.90

/each

$43.17

-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

-7%

Earls |

#425170204ERL

Earls 170204ERL Line Clamp, 1/4 Inch, Package Of 6

(1)

Material Type:

Aluminum

Color:

Natural

Maximum Clamping Diameter:

0.25"

$44.81

/each

$48.48

-7%

Mr Gasket |

#5501994MRG

Mr Gasket 1994MRG Replacement Fan Mounting Kit

(3)

GTIN Code:

084041019948

$28.12

/each

$30.42

-7%

Earls |

#425170206ERL

Earls 170206ERL Line Clamp, 3/8 Inch, Package Of 4

Material Type:

Aluminum

Color:

Natural

Maximum Clamping Diameter:

0.375"

$39.90

/each

$43.17

-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

-8%

Earls |

#425400ERL

Earls 400ERL UltraPro Oil Cooler Mounting Brackets, Wide Coolers

GTIN Code:

090127039977

$93.75

/each

$101.95

-8%

Mr Gasket |

#5509133

Mr Gasket 9133 Overflow Tank, Universal, Polished Stainless Steel

GTIN Code:

084041026564

$118.95

/each

$129.95

Brake Line to Master Cylinder Conversion Kit, Stainless Steel

Speedway Motors |

#9108588

Brake Line to Master Cylinder Conversion Kit, Stainless Steel

(4)

Fitting Type:

Adapter Fitting

Angle:

Straight

Fitting End A:

1/2-20 I.F. Male

$27.99

/kit

15 Inch Stainless Steel Expansion Tank, Black

Speedway Motors |

#91102218

15 Inch Stainless Steel Expansion Tank, Black

Capacity:

22 fl. oz.

Overall Diameter:

Material Type:

Aluminum

$42.99

/each

Speedway Motors |

#91073044

Heater Hose Kits

(3)

$134.49

/set

Speedway Full Flow Swivel Hose End Fitting, Straight, Red/Blue, -10 AN

Speedway Motors |

#6201004

Speedway Full Flow Swivel Hose End Fitting, Straight, Red/Blue, -10 AN

(2)

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$15.99

/each

WindChill® SBC/BBC Aluminum 3-Row Radiator w/ Cooler, Black

Speedway Motors |

#9173541

WindChill® SBC/BBC Aluminum 3-Row Radiator w/ Cooler, Black

Radiator Style:

Single Pass

Radiator Flow Direction:

Crossflow

Material Type:

Aluminum

as low as

$378.99

/each

Speedway Motors |

#9175021B

Black Aluminum Single Fan Shroud For Speedway Motors Radiators

Overall Height:

19.43"

Depth:

0.97"

Material Thickness:

0.063"

$88.99

/each

Single Electric Fan & Black Shroud Kit for Speedway Aluminum Radiators

Speedway Motors |

#9175023B

Single Electric Fan & Black Shroud Kit for Speedway Aluminum Radiators

Overall Height:

19.43"

Depth:

0.97"

Sold in Quantity:

Kit

$187.99

/kit

Race Pro Double Pass/LS Swap 2-Row Aluminum Racing Radiators

Speedway Motors |

#917352

Race Pro Double Pass/LS Swap 2-Row Aluminum Racing Radiators

(3)

Radiator Style:

Double Pass

Radiator Flow Direction:

Crossflow

Material Type:

Aluminum

as low as

$405.99

/each

U-Weld-It Custom Aluminum Radiator Kit, 26 x 19 Inch

Speedway Motors |

#910601

U-Weld-It Custom Aluminum Radiator Kit, 26 x 19 Inch

Radiator Style:

Single Pass

Radiator Flow Direction:

Custom

Material Type:

Aluminum

$378.99

/each

Polished Radiator Coolant Overflow Expansion Tank, 2 x 19 In.

Speedway Motors |

#91102219

Polished Radiator Coolant Overflow Expansion Tank, 2 x 19 In.

(4)

Capacity:

28 fl. oz.

Overall Diameter:

Material Type:

Stainless Steel

$60.99

/each

Straight High-Flow O-Ring -8 AN Hose to -10 AN Port Fitting

Speedway Motors |

#6177014

Straight High-Flow O-Ring -8 AN Hose to -10 AN Port Fitting

(2)

Fitting End A:

-8 AN Male

Fitting End B:

-10 AN Male O-ring

Angle:

Straight

$17.99

/each

AFCO Steal Four Bladed Fan, 18 Inch and Aluminum Shroud

Speedway Motors |

#9102547

AFCO Steal Four Bladed Fan, 18 Inch and Aluminum Shroud

(1)

Fan Diameter:

18 Inch

Rotation:

Clockwise/Standard

Blade Type:

Non-Flex

$149.99

/kit

Speedway Finned Aluminum Radiator Cap Cover, 2-3/8 Inch ID

Speedway Motors |

#91003043

Speedway Finned Aluminum Radiator Cap Cover, 2-3/8 Inch ID

(1)

Material Type:

Aluminum

Sold in Quantity:

Each

$31.99

/each

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1981 GMC C2500 Cooling and Heating Parts

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Products

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

Holley 20-186BK GM LS Engine Mid-Mount Accessory System, Black

Holley 20-187 Mid-Mount LS Race Accessory System

Holley 20-190 Premium Mid-Mount LS7 Complete Accessory System

Holley 20-190BK Premium Mid-Mount LS7 Complete Accessory System

Related Articles

Earls 1128ERL Trans Oil Cooler Adapter, Replaces Thermostat, 6L80

Holley 20-181 Premium Mid-Mount Race Accessory System

Earls 139106ERL Power Steering Hose End, -6 JIC

Earls 809106ERL 90 Degree -6 AN Female to -6 AN Hose Adapter

Earls 812006ERL 120 Degree -6 AN Female to -6 AN Hose Adapter

Earls 812008ERL 120 Degree -8 AN Female to -8 AN Hose Adapter

Holley 20-200BK Premium Mid-Mount Complete Accessory System, LT

Holley 20-200P Premium Mid-Mount Complete Accessory System, LT

Earls 679110ERL 90 Degree -10 AN Tube Hose End

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

Earls 170203ERL Line Clamp, 3/16 Inch, Package Of 6

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

Earls 170204ERL Line Clamp, 1/4 Inch, Package Of 6

Mr Gasket 1994MRG Replacement Fan Mounting Kit

Earls 170206ERL Line Clamp, 3/8 Inch, Package Of 4

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

Earls 400ERL UltraPro Oil Cooler Mounting Brackets, Wide Coolers

Mr Gasket 9133 Overflow Tank, Universal, Polished Stainless Steel

Brake Line to Master Cylinder Conversion Kit, Stainless Steel

15 Inch Stainless Steel Expansion Tank, Black

Heater Hose Kits

Speedway Full Flow Swivel Hose End Fitting, Straight, Red/Blue, -10 AN

WindChill® SBC/BBC Aluminum 3-Row Radiator w/ Cooler, Black

Black Aluminum Single Fan Shroud For Speedway Motors Radiators

Single Electric Fan & Black Shroud Kit for Speedway Aluminum Radiators

Race Pro Double Pass/LS Swap 2-Row Aluminum Racing Radiators

U-Weld-It Custom Aluminum Radiator Kit, 26 x 19 Inch

Polished Radiator Coolant Overflow Expansion Tank, 2 x 19 In.

Straight High-Flow O-Ring -8 AN Hose to -10 AN Port Fitting

AFCO Steal Four Bladed Fan, 18 Inch and Aluminum Shroud

Speedway Finned Aluminum Radiator Cap Cover, 2-3/8 Inch ID