1981 GMC G1500 Cooling and Heating Parts

2,818 products fit your

1981 GMC G1500

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1981 GMC G1500

Products

Earls |

#425LS0035ERL

Earls LS0035ERL Adjustable Coolant Cross-Over Tube, -12 AN Female

Fitting End A:

-16 AN Male

Fitting End B:

-12 AN Female

Material Type:

Billet Aluminum

$169.95

/each

-7%

Earls |

#425SS982203ERL

Earls SS982203ERL 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

$33.24

/each

$35.96

-7%

Earls |

#425LS0036ERL

Earls LS0036ERL LS Steam Tube Kit w/ Stainless Hardline Tubing

Sold in Quantity:

Kit

GTIN Code:

090127075975

$311.95

/kit

$337.95

-7%

Earls |

#425LS0037ERL

Earls LS0037ERL Adjustable Coolant Cross-Over Tube, -12 AN Male

Fitting End A:

-16 AN Male

Fitting End B:

-12 AN Male

Material Type:

Billet Aluminum

$299.95

/each

$322.95

-8%

Earls |

#425SS982504ERL

Earls SS982504ERL Male -4 AN Tee to 1/8 Inch NPT on Branch

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Male

Fitting End C:

-4 AN Male

$56.85

/each

$61.95

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.

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!

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.

G-Comp Front Suspension for 70-81 Camaro

Step by step guide to the installation of the G-Comp front suspension.

-7%

Earls |

#425949096ERL

Earls 949096ERL Blue 90 Degree -6 AN Male to 5/8-18 Inch Swivel

(3)

Fitting End A:

-6 AN Male

Fitting End B:

5/8 in.-18 inverted flare

Angle:

90 degree

$39.90

/each

$43.17

-5%

Earls |

#425960403ERL

Earls 960403ERL -3 AN Bulkhead Tee on Run, Zinc Plated Steel

(1)

AN Size:

-3 AN

Angle:

Tee

Fitting End A:

-3 AN Male

$49.95

/each

$52.76

-7%

Earls |

#425AT100194ERL

Earls AT100194ERL Fuel Pressure Gauge Adapter -6 Male to 3/8 Inch NPT

(1)

Fitting End A:

-6 AN Male

Fitting End B:

3/8" NPT Male

Fitting End C:

1/8" NPT Female

$26.87

/each

$29.07

-7%

Earls |

#425961603ERL

Earls 961603ERL Straight -3 AN Male to 1/8 Inch NPT, Zinc Plated Steel

(1)

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$9.44

/each

$10.22

-7%

Earls |

#425AT100200ERL

Earls AT100200ERL Fuel Pressure Gauge Adapter -8 Male to -8 Female

(1)

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Male

Fitting End C:

1/8" NPT Female

$33.24

/each

$35.96

-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 |

#425609004ERL

Earls 609004ERL Speed-Seal Hose End, -4 AN, 90 Degree, Adjustable

Fitting Hose Size:

-4 AN

Fitting End A:

-4 AN Female

Fitting End B:

-4 AN Hose

$46.55

/each

$50.36

-8%

Earls |

#425609093ERL

Earls 609093ERL Speed-Seal Hose End, -3 AN, 90 Degree, Adjustable

Fitting Hose Size:

-3 AN

Fitting End A:

-3 AN Female

Fitting End B:

-3 AN Hose

$87.95

/each

$95.95

-7%

Earls |

#425781656ERL

Earls 781656ERL Vapor Guard Straight 3/8 Inch NPT to 5/16 Inch

(1)

Fitting End A:

5/16" Hose barb

Fitting End B:

3/8" NPT Male

Angle:

Straight

$12.93

/each

$13.98

-7%

Earls |

#425782252ERL

Earls 782252ERL Vapor Guard 90 Deg 1/8 Inch NPT to 5/16 Inch

(3)

Fitting End A:

5/16" Hose barb

Fitting End B:

1/8" NPT Male

Angle:

90 degree

$12.96

/each

$14.02

-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 |

#425591941ERL

Earls 591941ERL Brake Adapter, 7/16 Inch-20, -4 AN, Zinc Plated Steel

Fitting End A:

-4 AN Male

Fitting End B:

7/16"-20 I.F. Male

Material Type:

Steel

$22.40

/pair

$24.23

-7%

Earls |

#425781606ERL

Earls 781606ERL Vapor Guard Straight 1/4 Inch NPT to 3/8 Inch

Fitting End A:

3/8" Hose barb

Fitting End B:

1/4" NPT Male

Angle:

Straight

$11.92

/each

$12.89

-8%

Earls |

#425AT803112ERL

Earls AT803112ERL 30 Degree -12 AN Ano-Tuff Swivel Seal Hose End

Fitting Hose Size:

-12 AN

Fitting End A:

-12 AN Female

Fitting End B:

-12 AN Hose

$76.09

/each

$82.95

-8%

Earls |

#425AT804616ERL

Earls AT804616ERL 45 Degree -16 AN Female to -16 AN Swivel Seal Hose

Fitting Hose Size:

-16 AN

Fitting End A:

-16 AN Female

Fitting End B:

-16 AN Hose

$87.95

/each

$95.95

-7%

Earls |

#425AT809006ERL

Earls AT809006ERL 90 Degree -6 AN Female to -6 AN Swivel Low Profile

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$51.95

/each

$56.19

-8%

Earls |

#425570310ERL

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

GTIN Code:

090127744222

$62.35

/each

$67.95

Earls |

#425754156ERL

Earls 754156ERL Vapor Guard 45 Deg Hose End -6 to 5/16 Inch

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

5/16" Hose barb

$11.95

/each

-8%

Earls |

#425571010ERL

Earls 571010ERL Flame Guard Insulation, Black, 10 Feet

Color:

Black

Overall Length:

120"

Overall Diameter:

0.75"

$169.95

/each

$184.95

-6%

Earls |

#425571012ERL

Earls 571012ERL Flame Guard Insulation, Black, 10 Feet

Color:

Black

Overall Length:

120"

Overall Diameter:

$199.95

/each

$214.95

Earls |

#425920004ERL

Earls 920004ERL 1-1/2 Inch to 3 Inch ID Braided Stainless Steel Tube

$299.99

Earls |

#425AT983308ERL

Earls AT983308ERL 90 Degree -8 AN Bulkhead Fitting, Anodized Aluminum

AN Size:

-8 AN

Angle:

90 degree

Fitting End A:

-8 AN Male

$14.95

/each

-7%

Earls |

#425AT983310ERL

Earls AT983310ERL 90 Degree -10 AN Bulkhead Fitting, Anodized Aluminum

AN Size:

-10 AN

Angle:

90 degree

Fitting End A:

-10 AN Male

$39.90

/each

$43.17

-7%

Earls |

#425920508ERL

Earls 920508ERL 90 Degree, -8 AN Male to -8 AN Female Swivel

(1)

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Female

Angle:

90 degree

$34.82

/each

$37.67

-7%

Earls |

#425AT985010ERL

Earls AT985010ERL -10 AN Male to7/8-14 Inch O-Ring Port Adapter

(1)

Fitting End A:

-10 AN Male

Fitting End B:

7/8" - 14 Male O-ring (-10 AN)

Angle:

Straight

$24.36

/each

$26.35

-7%

Earls |

#425AT985081ERL

Earls AT985081ERL -8 AN Male to 7/8-14 Inch O-Ring Port Adapter

Fitting End A:

-8 AN Male

Fitting End B:

7/8" - 14 Male O-ring (-10 AN)

Angle:

Straight

$24.36

/each

$26.35

-7%

Earls |

#425AT985086ERL

Earls AT985086ERL -8 AN Male to -6AN O-Ring Port Adapter

Fitting End A:

-8 AN Male

Fitting End B:

-6 AN Male o-ring

Angle:

Straight

$25.36

/each

$27.43

-7%

Earls |

#425AT981688ERL

Earls AT981688ERL -8 AN Male to 1/2 Inch NPT Straight Adapter

(1)

Fitting End A:

-8 AN Male

Fitting End B:

1/2" NPT Male

Angle:

Straight

$13.41

/each

$14.50

Longacre |

#47545243

Longacre® 52-45243 Caliper Fitting - 1/8 NPT x -3 AN Straight

Fitting End A:

-3 AN Male

Fitting End B:

1/8" NPT Male

Angle:

Straight

$9.19

/each

Longacre |

#47545250

Longacre® 52-45250 Caliper Fitting - 7/16-20 x -4 AN 90 Deg.

Fitting End A:

-4 AN Male

Fitting End B:

-4 AN Male O-ring

Angle:

90 degree

$9.99

/each

Longacre |

#47545286

Longacre® 52-45286 #3 Brake Line Frame Fitting w/ Tab & Nut

Fitting End A:

-3 AN Male

Fitting End B:

3/8"-24 I.F. Female

Material Type:

Aluminum

$15.99

/each

Showing 1 - 252 of 2,818 results

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1981 GMC G1500 Cooling and Heating Parts

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Transmission Family

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Price

Customer Rating

Products

Earls LS0035ERL Adjustable Coolant Cross-Over Tube, -12 AN Female

Earls SS982203ERL 90 Degree Elbow, -3 AN Male to 1/8 Inch NPT

Earls LS0036ERL LS Steam Tube Kit w/ Stainless Hardline Tubing

Earls LS0037ERL Adjustable Coolant Cross-Over Tube, -12 AN Male

Earls SS982504ERL Male -4 AN Tee to 1/8 Inch NPT on Branch

Related Articles

Earls 949096ERL Blue 90 Degree -6 AN Male to 5/8-18 Inch Swivel

Earls 960403ERL -3 AN Bulkhead Tee on Run, Zinc Plated Steel

Earls AT100194ERL Fuel Pressure Gauge Adapter -6 Male to 3/8 Inch NPT

Earls 961603ERL Straight -3 AN Male to 1/8 Inch NPT, Zinc Plated Steel

Earls AT100200ERL Fuel Pressure Gauge Adapter -8 Male to -8 Female

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

Earls 609004ERL Speed-Seal Hose End, -4 AN, 90 Degree, Adjustable

Earls 609093ERL Speed-Seal Hose End, -3 AN, 90 Degree, Adjustable

Earls 781656ERL Vapor Guard Straight 3/8 Inch NPT to 5/16 Inch

Earls 782252ERL Vapor Guard 90 Deg 1/8 Inch NPT to 5/16 Inch

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

Earls 591941ERL Brake Adapter, 7/16 Inch-20, -4 AN, Zinc Plated Steel

Earls 781606ERL Vapor Guard Straight 1/4 Inch NPT to 3/8 Inch

Earls AT803112ERL 30 Degree -12 AN Ano-Tuff Swivel Seal Hose End

Earls AT804616ERL 45 Degree -16 AN Female to -16 AN Swivel Seal Hose

Earls AT809006ERL 90 Degree -6 AN Female to -6 AN Swivel Low Profile

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

Earls 754156ERL Vapor Guard 45 Deg Hose End -6 to 5/16 Inch

Earls 571010ERL Flame Guard Insulation, Black, 10 Feet

Earls 571012ERL Flame Guard Insulation, Black, 10 Feet

Earls 920004ERL 1-1/2 Inch to 3 Inch ID Braided Stainless Steel Tube

Earls AT983308ERL 90 Degree -8 AN Bulkhead Fitting, Anodized Aluminum

Earls AT983310ERL 90 Degree -10 AN Bulkhead Fitting, Anodized Aluminum

Earls 920508ERL 90 Degree, -8 AN Male to -8 AN Female Swivel

Earls AT985010ERL -10 AN Male to7/8-14 Inch O-Ring Port Adapter

Earls AT985081ERL -8 AN Male to 7/8-14 Inch O-Ring Port Adapter

Earls AT985086ERL -8 AN Male to -6AN O-Ring Port Adapter

Earls AT981688ERL -8 AN Male to 1/2 Inch NPT Straight Adapter

Longacre® 52-45243 Caliper Fitting - 1/8 NPT x -3 AN Straight

Longacre® 52-45250 Caliper Fitting - 7/16-20 x -4 AN 90 Deg.

Longacre® 52-45286 #3 Brake Line Frame Fitting w/ Tab & Nut