1981 GMC K3500 Cooling and Heating Parts

2,670 products fit your

1981 GMC K3500

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1981 GMC K3500

Products

-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 |

#10915603

Aeromotive 15603 -8 AN to -8 AN Male Flare Union Fitting

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Male

Angle:

Straight

$16.97

/each

$18.67

Male Brake Fitting 7/16-20 IFM To AN3 Stainless Steel Pair

Speedway Motors |

#9106282

Male Brake Fitting 7/16-20 IFM To AN3 Stainless Steel Pair

Fitting End A:

-3 AN Male

Fitting End B:

7/16"-20 I.F. Male

Material Type:

Stainless Steel

$51.99

/pair

Speedway Motors |

#6174016

7/16 Inch-24 Female to #3 Brakeline

(6)

Fitting End A:

-3 AN Male

Fitting End B:

7/16"-24 I.F. Female

Material Type:

Steel

$11.99

/pair

Stainless T-Bolt Clamp, 3-7/16 Inch Minimum Clamping Diameter

Speedway Motors |

#910553358

Stainless T-Bolt Clamp, 3-7/16 Inch Minimum Clamping Diameter

(1)

Style:

T-Bolt

Material Type:

Stainless Steel

Color:

Natural

$6.59

/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.

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.

New Vintage USA |

#2767912779

New Vintage USA 79127-79 M-102 Series Water Temperature Gauge

Gauge Diameter:

2-1/16"

Gauge Type:

Water/Transmission/Oil Temperature

Gauge Range:

180-280

$131.99

/each

-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

-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

Speedway Motors |

#6174002

Female Aluminum Swivel Coupler, -10 AN

(1)

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Female

Angle:

Straight

$14.99

/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

-9%

Aeromotive |

#10915352

Aeromotive 15352 -6AN 90-Degree PTFE Hose Fitting, Black Anodized

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$47.20

/each

$51.92

-9%

Aeromotive |

#10915724

Aeromotive 15724 AN Fitting, Male AN-16 ORB, Male AN-8 Flare

Fitting End A:

-8 AN Male

Fitting End B:

-16 AN Male O-ring

Angle:

Straight

$47.20

/each

$51.92

-9%

Aeromotive |

#10915743

Aeromotive 15743 Union Fitting, -16 AN to -16 AN O-Ring

Fitting End A:

-16 AN Male

Fitting End B:

-16 AN Male O-ring

Angle:

Straight

$64.22

/each

$70.64

-9%

Aeromotive |

#10915680

Aeromotive 15680 -12 AN Swivel ORB Union Fitting

Fitting End A:

-12 AN Male o-ring

Fitting End B:

-12 AN Male O-ring

Angle:

Straight

$58.74

/each

$64.61

-9%

Aeromotive |

#10915684

Aeromotive 15684 -6 AN Bulkhead Fitting

AN Size:

-6 AN

Angle:

Straight

Fitting End A:

-6 AN Male

$29.08

/each

$31.99

-9%

Aeromotive |

#10915685

Aeromotive 15685 -8 AN Bulkhead Fitting

AN Size:

-8 AN

Angle:

Straight

Fitting End A:

-8 AN Male

$34.57

/each

$38.03

-9%

Aeromotive |

#10915686

Aeromotive 15686 -10 AN Bulkhead Fitting

AN Size:

-10 AN

Angle:

Straight

Fitting End A:

-10 AN Male

$40.62

/each

$44.68

-9%

Aeromotive |

#10915687

Aeromotive 15687 -12 AN Bulkhead Fitting

AN Size:

-12 AN

Angle:

Straight

Fitting End A:

-12 AN Male

$47.20

/each

$51.92

-9%

Aeromotive |

#10915691

Aeromotive 15691 -10AN ORB to -10AN Flare 90-Degree Elbow Fitting

Fitting End A:

-10 AN Male

Fitting End B:

-10 AN Male O-ring

Angle:

90 degree

$75.19

/each

$82.71

Inline Fuel Pressure Adapter, -6 AN to -6 AN w/ 1/8Inch NPT, Blue

Speedway Motors |

#6177000

Inline Fuel Pressure Adapter, -6 AN to -6 AN w/ 1/8Inch NPT, Blue

(3)

Fitting End A:

-6 AN Male

Fitting End B:

-6 AN Male

Fitting End C:

1/8" NPT Female

$10.49

/each

New Vintage USA |

#276112791

New Vintage USA 01127-91 Performance 2-1/16" Water Temp Gauge

Gauge Face Color:

White

Sold in Quantity:

Each

$131.99

/each

WindChill® LS Swap 3-Row Aluminum Radiator w/Cooler, Black

Speedway Motors |

#917359

WindChill® LS Swap 3-Row Aluminum Radiator w/Cooler, Black

(1)

Radiator Style:

Double Pass

Radiator Flow Direction:

Crossflow

Material Type:

Aluminum

as low as

$378.99

/each

U-Weld-It Custom Aluminum Radiator Kit, 28 x 19 Inch

Speedway Motors |

#910605

U-Weld-It Custom Aluminum Radiator Kit, 28 x 19 Inch

(1)

Radiator Style:

Single Pass

Radiator Flow Direction:

Custom

Material Type:

Aluminum

$378.99

/each

Black Aluminum Heatsink Transmission Cooler, 18 Inch

Speedway Motors |

#91023218

Black Aluminum Heatsink Transmission Cooler, 18 Inch

Core Width:

18"

Inlet Size:

3/8"

Outlet Size:

3/8"

$62.99

/each

Speedway Ford-Mopar Universal Aluminum Radiator

Speedway Motors |

#917348

Speedway Ford-Mopar Universal Aluminum Radiator

(62)

Radiator Style:

Single Pass

Radiator Flow Direction:

Crossflow

Material Type:

Aluminum

$196.99

/each

U-Weld-It Custom Aluminum Radiator Kit, 31 x 19 Inch

Speedway Motors |

#910603

U-Weld-It Custom Aluminum Radiator Kit, 31 x 19 Inch

Radiator Style:

Single Pass

Radiator Flow Direction:

Custom

Material Type:

Aluminum

$491.99

/each

-7%

Earls |

#425591932ERL

Earls 591932ERL Brake Adapter, 7/16 Inch-24, -3 AN, Zinc Plated Steel

(3)

Fitting End A:

-3 AN Male

Fitting End B:

7/16"-24 I.F. Male

Material Type:

Steel

$22.40

/each

$24.23

-7%

Earls |

#425604503ERL

Earls 604503ERL Speed-Seal Hose End, -3 AN, 45 Degree, Adjustable

Fitting Hose Size:

-3 AN

Fitting End A:

-3 AN Female

Fitting End B:

-3 AN Hose

$46.57

/each

$50.38

-7%

Earls |

#425570016ERL

Earls 570016ERL Flame Guard Insulation, 1-1/2 Inch I.D., Black

Temp. Range:

-65° F to 500° F w/ Splashes to 2000° F

Color:

Black

$23.89

/foot

$25.84

-8%

Earls |

#425570310ERL

Earls 570310ERL Flame Guard Insulation, 3/4 Inch I.D, Black, 3FT PC

GTIN Code:

090127744222

$62.35

/each

$67.95

-7%

Earls |

#425AT981510ERL

Earls AT981510ERL -10 AN Male Straight Union, Anodized Aluminum

Fitting End A:

-10 AN Male

Fitting End B:

-10 AN Male

Angle:

Straight

$16.39

/each

$17.73

-8%

Earls |

#425AT981516ERL

Earls AT981516ERL -16 AN Male Straight Union, Anodized Aluminum

Fitting End A:

-16 AN Male

Fitting End B:

-16 AN Male

Angle:

Straight

$56.79

/each

$61.95

-8%

Earls |

#425AT809110ERL

Earls AT809110ERL 90 Degree -10 AN Female to -10 AN Swivel Seal Hose

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$61.05

/each

$66.95

-8%

Earls |

#425AT812006ERL

Earls AT812006ERL 120 Degree -6 AN Female to -6 AN Swivel Seal Hose

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$49.95

/each

$54.83

-7%

Earls |

#425AT818010ERL

Earls AT818010ERL 180 Degree -10 AN Female to -10 AN Swivel Seal Hose

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$59.89

/each

$64.95

-7%

Earls |

#425803110ERL

Earls 803110ERL 30 Degree -10 AN Female to -10 AN Hose Adapter

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$59.89

/each

$64.95

Showing 1 - 396 of 2,670 results

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1981 GMC K3500 Cooling and Heating Parts

Subcategory

Part

Brand

Transmission Family

Availability

Engine Family

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Price

Customer Rating

Products

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

Aeromotive 15603 -8 AN to -8 AN Male Flare Union Fitting

Male Brake Fitting 7/16-20 IFM To AN3 Stainless Steel Pair

7/16 Inch-24 Female to #3 Brakeline

Stainless T-Bolt Clamp, 3-7/16 Inch Minimum Clamping Diameter

Related Articles

New Vintage USA 79127-79 M-102 Series Water Temperature Gauge

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

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

Female Aluminum Swivel Coupler, -10 AN

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

Aeromotive 15352 -6AN 90-Degree PTFE Hose Fitting, Black Anodized

Aeromotive 15724 AN Fitting, Male AN-16 ORB, Male AN-8 Flare

Aeromotive 15743 Union Fitting, -16 AN to -16 AN O-Ring

Aeromotive 15680 -12 AN Swivel ORB Union Fitting

Aeromotive 15684 -6 AN Bulkhead Fitting

Aeromotive 15685 -8 AN Bulkhead Fitting

Aeromotive 15686 -10 AN Bulkhead Fitting

Aeromotive 15687 -12 AN Bulkhead Fitting

Aeromotive 15691 -10AN ORB to -10AN Flare 90-Degree Elbow Fitting

Inline Fuel Pressure Adapter, -6 AN to -6 AN w/ 1/8Inch NPT, Blue

New Vintage USA 01127-91 Performance 2-1/16" Water Temp Gauge

WindChill® LS Swap 3-Row Aluminum Radiator w/Cooler, Black

U-Weld-It Custom Aluminum Radiator Kit, 28 x 19 Inch

Black Aluminum Heatsink Transmission Cooler, 18 Inch

Speedway Ford-Mopar Universal Aluminum Radiator

U-Weld-It Custom Aluminum Radiator Kit, 31 x 19 Inch

Earls 591932ERL Brake Adapter, 7/16 Inch-24, -3 AN, Zinc Plated Steel

Earls 604503ERL Speed-Seal Hose End, -3 AN, 45 Degree, Adjustable

Earls 570016ERL Flame Guard Insulation, 1-1/2 Inch I.D., Black

Earls 570310ERL Flame Guard Insulation, 3/4 Inch I.D, Black, 3FT PC

Earls AT981510ERL -10 AN Male Straight Union, Anodized Aluminum

Earls AT981516ERL -16 AN Male Straight Union, Anodized Aluminum

Earls AT809110ERL 90 Degree -10 AN Female to -10 AN Swivel Seal Hose

Earls AT812006ERL 120 Degree -6 AN Female to -6 AN Swivel Seal Hose

Earls AT818010ERL 180 Degree -10 AN Female to -10 AN Swivel Seal Hose

Earls 803110ERL 30 Degree -10 AN Female to -10 AN Hose Adapter