1981 GMC K2500 Cooling and Heating Parts

2,878 products fit your

1981 GMC K2500

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1981 GMC K2500

Products

$210 Off

Aeroquip |

#61710301

Aeroquip FBM4446 Hose End Coupler Fitting, 120 Degree, Black, -16 AN

Fitting Hose Size:

-16 AN

Fitting End A:

-16 AN Female

Fitting End B:

-16 AN Hose

$126.78

/each

$336.48

Aeroquip |

#61710291

Aeroquip FBM4465 Hose End Coupler Fitting, 180 Degree, Black, -12 AN

Fitting Hose Size:

-12 AN

Fitting End A:

-12 AN Female

Fitting End B:

-12 AN Hose

$81.99

/each

Fragola 496310 90 Degree Female Swivel Coupler AN10

Speedway Motors |

#6174011

Fragola 496310 90 Degree Female Swivel Coupler AN10

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Female

Angle:

90 degree

$20.99

/each

Billet Specialties |

#91067025

Billet Specialties 67025 Aluminum Hose Clamp, 5/16 Inch Braided Hose

Style:

Worm Gear | Housing

Material Type:

Aluminum

Color:

Natural

$24.95

/each

Billet Specialties |

#91067325

Billet Specialties 67325 3/8 Inch Braided Hose Aluminum Hose End Cover

(3)

Style:

Worm Gear | Housing

Material Type:

Aluminum

Color:

Natural

$24.95

/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.

Billet Specialties |

#910674250

Billet Specialties 67425 Polished Aluminum 5/8 Inch Hose End Cover

(3)

Sold in Quantity:

Each

GTIN Code:

800770104904

$27.95

/each

Billet Specialties |

#910678250

Billet Specialties 67825 Aluminum Hose Clamp, 1-1/2 Inch Rubber Hose

(9)

Style:

Worm Gear | Housing

Material Type:

Aluminum

Color:

Natural

$37.95

/each

Billet Specialties |

#910679250

Billet Specialties 67925 Aluminum Hose Clamp, 1-3/4 Inch Rubber Hose

(1)

Style:

Worm Gear | Housing

Material Type:

Aluminum

Color:

Natural

$37.95

/each

-53%

Speedway Motors |

#915604

Garage Sale - Steel Hose Clamp

$1.87

/each

$3.99

Billet Specialties |

#21168225

Billet Specialties 68225 Alum Hose Separator Clamp, .562 x .625 Inch

Hole Diameter:

.63"

Hole Diameter (2):

.56"

Overall Length:

1.81"

$27.95

/each

Billet Specialties |

#21168625

Billet Specialties 68625 Alum Hose Separator Clamp, .890 x .969 Inch

(2)

Hole Diameter:

.97"

Hole Diameter (2):

.89"

Overall Length:

2.63"

$27.95

/each

Spectre 5160 Magna Clamp Hose Clamps, Anodized, 2 ID

Spectre Performance |

#4655160

Spectre 5160 Magna Clamp Hose Clamps, Anodized, 2 ID

Style:

Worm Gear | Housing

Material Type:

Aluminum

Color:

Red/Blue

$15.99

/each

Spectre 5953 Heater Hose Fitting, 1/2 Inch NPT to 5/8 Inch Hose Barb

Spectre Performance |

#4655953

Spectre 5953 Heater Hose Fitting, 1/2 Inch NPT to 5/8 Inch Hose Barb

(1)

Thread Pitch:

1/2" NPT

Angle:

Straight

Finish:

Chrome

$12.99

/each

Spectre 5954 Heater Hose Fitting, 1/2 Inch NPT to 3/4 Inch Hose Barb

Spectre Performance |

#4655954

Spectre 5954 Heater Hose Fitting, 1/2 Inch NPT to 3/4 Inch Hose Barb

(2)

Thread Pitch:

1/2" NPT

Angle:

Straight

Finish:

Chrome

$10.49

/each

Wilwood |

#8352205248

Wilwood 220-5248 Tandem Master Cylinder Fitting Adapter, 3/16 x9/16-20

(3)

Fitting Type:

Hardline Tube Nut Fitting

Angle:

Straight

Fitting End A:

9/16-20 I.F. Male

$4.56

/each

AutoMeter |

#1824307

AutoMeter 4307 Ultra-Lite Mech Water Press. Gauge,35 PSI,2-1/16

Gauge Range:

0-35 PSI

Gauge Type:

Mechanical

Gauge Face Color:

Silver

$86.99

/each

AutoMeter |

#1824333

AutoMeter 4333 Ultra-Lite Mechanical Water Temperature Gauge

Gauge Diameter:

2-1/16"

Gauge Range:

120-240 °F

Bezel Finish:

Brushed Aluminum

$142.99

/each

AutoMeter |

#182880353

AutoMeter 880353 Ford Masterpiece Air-Core Water Temp. Gauge

Gauge Diameter:

2-1/16"

Gauge Range:

100-250 °F

Bezel Finish:

Chrome

$87.99

/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

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

AutoMeter |

#182880032

AutoMeter 880032 Water Temp Gauge 2 1/16 Inch, 100-260 Deg, White

Gauge Diameter:

2-1/16"

Gauge Range:

100-260 degrees F

Bezel Finish:

Silver

$202.99

/each

AutoMeter |

#182133700408

AutoMeter 1337-00408 Chevy Vintage Air-Core Water Temp. Gauge

Gauge Diameter:

2-1/16"

Gauge Range:

100-250 °F

Bezel Finish:

Chrome

$96.99

/each

-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 |

#425915103ERL

Earls 915103ERL Blue Anodized Straight -3AN Female Swivel Coupling

(1)

Fitting End A:

-3 AN Female

Fitting End B:

-3 AN Female

Angle:

Straight

$16.42

/each

$17.76

-7%

Earls |

#425AT809010ERL

Earls AT809010ERL 90 Degree -10 AN Female to -10 AN Swivel Low Profile

Fitting Hose Size:

-10 AN

Fitting End A:

-10 AN Female

Fitting End B:

-10 AN Hose

$59.89

/each

$64.95

-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

-8%

Earls |

#425AT818006ERL

Earls AT818006ERL 180 Degree -6 AN Female to -6 AN Swivel Seal Hose

(1)

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 |

#425916103ERL

Earls 916103ERL Blue Straight -3AN Swivel to 1/8 In Male NPT Adapter

Fitting End A:

-3 AN Female

Fitting End B:

1/8" NPT Male

Angle:

Straight

$22.39

/each

$24.22

-7%

Earls |

#425916112ERL

Earls 916112ERL Blue Straight -12 AN Swivel to 3/4 In Male NPT Adapter

Fitting End A:

-12 AN Female

Fitting End B:

3/4" NPT Male

Angle:

Straight

$41.81

/each

$45.23

-7%

Earls |

#425300124ERL

Earls 300124ERL Auto-Fit Hose End, AN24, Red/Blue, Straight

Fitting Hose Size:

-24 AN

Fitting End A:

-24 AN Female

Fitting End B:

-24 AN Hose

$184.95

/each

$200.95

Earls |

#425730014ERL

Earls 730014ERL 1-1/4 Inch ID Flame Guard Insulation

$288.99

-7%

Earls |

#4259919DFHERL

Earls 9919DFHERL Straight -6 AN Male to 14mm x 1.5 Adapter, Blue

Fitting End A:

-6 AN Male

Fitting End B:

14mm x 1.5 Male

Angle:

Straight

$17.89

/each

$19.35

-7%

Earls |

#425982203ERL

Earls 982203ERL Blue 90 Degree Elbow -3 AN Male to 1/8 Inch NPT

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Male

Angle:

90 degree

$16.42

/each

$17.76

-7%

Earls |

#425982208ERL

Earls 982208ERL Blue 90 Degree Elbow -8 AN Male to 3/8 Inch NPT

(1)

Fitting End A:

-8 AN Male

Fitting End B:

3/8" NPT Male

Angle:

90 degree

$20.87

/each

$22.58

Showing 1 - 144 of 2,878 results

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1981 GMC K2500 Cooling and Heating Parts

Subcategory

Part

Brand

Transmission Family

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Products

Aeroquip FBM4446 Hose End Coupler Fitting, 120 Degree, Black, -16 AN

Aeroquip FBM4465 Hose End Coupler Fitting, 180 Degree, Black, -12 AN

Fragola 496310 90 Degree Female Swivel Coupler AN10

Billet Specialties 67025 Aluminum Hose Clamp, 5/16 Inch Braided Hose

Billet Specialties 67325 3/8 Inch Braided Hose Aluminum Hose End Cover

Related Articles

Billet Specialties 67425 Polished Aluminum 5/8 Inch Hose End Cover

Billet Specialties 67825 Aluminum Hose Clamp, 1-1/2 Inch Rubber Hose

Billet Specialties 67925 Aluminum Hose Clamp, 1-3/4 Inch Rubber Hose

Garage Sale - Steel Hose Clamp

Billet Specialties 68225 Alum Hose Separator Clamp, .562 x .625 Inch

Billet Specialties 68625 Alum Hose Separator Clamp, .890 x .969 Inch

Spectre 5160 Magna Clamp Hose Clamps, Anodized, 2 ID

Spectre 5953 Heater Hose Fitting, 1/2 Inch NPT to 5/8 Inch Hose Barb

Spectre 5954 Heater Hose Fitting, 1/2 Inch NPT to 3/4 Inch Hose Barb

Wilwood 220-5248 Tandem Master Cylinder Fitting Adapter, 3/16 x9/16-20

AutoMeter 4307 Ultra-Lite Mech Water Press. Gauge,35 PSI,2-1/16

AutoMeter 4333 Ultra-Lite Mechanical Water Temperature Gauge

AutoMeter 880353 Ford Masterpiece Air-Core Water Temp. Gauge

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

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

AutoMeter 880032 Water Temp Gauge 2 1/16 Inch, 100-260 Deg, White

AutoMeter 1337-00408 Chevy Vintage Air-Core Water Temp. Gauge

Earls 679110ERL 90 Degree -10 AN Tube Hose End

Earls 915103ERL Blue Anodized Straight -3AN Female Swivel Coupling

Earls AT809010ERL 90 Degree -10 AN Female to -10 AN Swivel Low Profile

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 AT818006ERL 180 Degree -6 AN Female to -6 AN Swivel Seal Hose

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

Earls 916103ERL Blue Straight -3AN Swivel to 1/8 In Male NPT Adapter

Earls 916112ERL Blue Straight -12 AN Swivel to 3/4 In Male NPT Adapter

Earls 300124ERL Auto-Fit Hose End, AN24, Red/Blue, Straight

Earls 730014ERL 1-1/4 Inch ID Flame Guard Insulation

Earls 9919DFHERL Straight -6 AN Male to 14mm x 1.5 Adapter, Blue

Earls 982203ERL Blue 90 Degree Elbow -3 AN Male to 1/8 Inch NPT

Earls 982208ERL Blue 90 Degree Elbow -8 AN Male to 3/8 Inch NPT