1981 Chevy K20 Cooling and Heating Parts

2,951 products fit your

1981 Chevy K20

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1981 Chevy K20

Products

-7%

Earls |

#425PANE6500BKERL

Earls PANE6500BK-ERL Quarter Turn Fasteners, 7/16 Inch, .500

(2)

Head Diameter:

0.75"

Material Type:

Steel

Finish:

Black

$37.53

/set

$40.60

-7%

Earls |

#425LS0022ERL

Earls LS0022ERL Remote Mount Electric Water Pumps Block Adapters

Gasket(s) Included:

Yes

Material Type:

Billet Aluminum

Finish:

Anodized Black

$184.95

/kit

$200.95

-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 |

#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

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.

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.

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.

Installing a Crankcase Ventilation System

Read this guide on how to create a custom crankcase vent system for a Corvette using a Sure Seal air cleaner assembly kit. Learn how to keep pressure to a minimum and fabricate tubing to ensure a proper fit.

Assembling a GM Trans Cooler Line Kit - 1967 Chevelle

Learn how to assemble a Gotta Show transmission cooler line kit for common GM transmissions. Jeff shares some helpful tips on measuring and cutting the braided stainless steel hose for an easier installation.

-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 |

#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 |

#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 |

#425571010ERL

Earls 571010ERL Flame Guard Insulation, Black, 10 Feet

Color:

Black

Overall Length:

120"

Overall Diameter:

0.75"

$169.95

/each

$184.95

-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

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

-7%

Earls |

#425300106ERL

Earls 300106ERL Auto Fit Female Hose End, Straight, -6 AN to -6 AN

(2)

Fitting Hose Size:

-6 AN

Fitting End A:

-6 AN Female

Fitting End B:

-6 AN Hose

$13.26

/each

$14.34

Longacre |

#47549520

Longacre® 52-49520 Firebraid Insulation Sleeving, 5/16 x 10ft

Temp. Range:

500

Color:

Orange

Overall Length:

120"

$55.99

/each

ICT BILLET |

#82651474

ICT BILLET 551474-1 A/C Compressor Bracket Kit, Sanden 508, LS

Material Type:

Billet Aluminum

Hardware Included:

Yes

Finish:

Natural

$400.00

/kit

ICT BILLET |

#82651694

ICT Billet 551694 Coolant/Steam Port Crossover Adapters, 1/8 NPT

Color:

Natural

Hoses Included:

$50.00

/each

ICT BILLET |

#82614743

GTIN Code:

842829102011

$77.99

/each

Magnuson Superchargers |

#79807009

Magnuson Superchargers 31-99-07-009 LRG Universal Cooling System

Sold in Quantity:

Kit

$1,495.00

/kit

-45%

Fragola |

#61761071

Fragola 482504-BL Tee Adapter Fitting, -4AN to 1/8 Inch NPT

(1)

Fitting End A:

-4 AN Male

Fitting End B:

1/8" NPT Male

Fitting End C:

-4 AN Male

$9.29

/each

$17.18

-67%

Aeroquip |

#6171005

Aeroquip Straight Full Flow Swivel Hose End Coupler Fitting, -12 AN

Fitting Hose Size:

-12 AN

Fitting End A:

-12 AN Female

Fitting End B:

-12 AN Hose

$34.99

/each

$107.27

-54%

Fragola |

#6171007

Fragola 100120 Straight Full Flow Hose End, -20 AN

(1)

Fitting Hose Size:

-20 AN

Fitting End A:

-20 AN Female

Fitting End B:

-20 AN Hose

$37.99

/each

$82.91

-68%

Aeroquip |

#61710101

Aeroquip FBM4423 Black Hose End Coupler Fitting-45 Degree Angle, -8 AN

Fitting Hose Size:

-8 AN

Fitting End A:

-8 AN Female

Fitting End B:

-8 AN Hose

$36.99

/each

$117.58

Fragola |

#61720112

Fragola 220112-BL Pro-Flow Straight Hose End Fitting, -12 AN

Fitting Hose Size:

-12 AN

Fitting End A:

-12 AN Female

Fitting End B:

-12 AN Hose

$22.37

/each

-50%

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

Speedway Motors |

#6177001

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

Fitting End A:

-8 AN Male

Fitting End B:

-8 AN Male

Fitting End C:

1/8" NPT Female

$9.99

/each

$20.16

SPAL |

#910160

SPAL 30100400 Electric Cooling Fan, Straight Blade, 16 Inch

(11)

Fan Flow Type:

Pull

Blade Style:

Straight

Sold in Quantity:

Each

$104.66

/each

Mr Gasket |

#550200104BL

Core Height:

13.6875"

Core Width:

13"

Core Thickness:

$492.04

/each

Vintage Air |

#72511458VUS

Vintage Air 11458-VUS Rotary Switch Fan-mode

GTIN Code:

842829106408

$15.99

/each

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1981 Chevy K20 Cooling and Heating Parts

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Products

Earls PANE6500BK-ERL Quarter Turn Fasteners, 7/16 Inch, .500

Earls LS0022ERL Remote Mount Electric Water Pumps Block Adapters

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

Earls LS0036ERL LS Steam Tube Kit w/ Stainless Hardline Tubing

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

Related Articles

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

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

Earls 571010ERL Flame Guard Insulation, Black, 10 Feet

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

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

Earls 300106ERL Auto Fit Female Hose End, Straight, -6 AN to -6 AN

Longacre® 52-49520 Firebraid Insulation Sleeving, 5/16 x 10ft

ICT BILLET 551474-1 A/C Compressor Bracket Kit, Sanden 508, LS

ICT Billet 551694 Coolant/Steam Port Crossover Adapters, 1/8 NPT

ICT BILLET 551474-3 A/C Compressor Bracket Kit, LS1/LS3/LSX

Aeroquip FBM4211 Starlite Crimp Fitting, Straight, -4 AN

Aeroquip FBM4214 Starlite Crimp Fitting, Straight, -10 AN

Aeroquip FBM4233 Starlite Crimp Fitting, 90 Degree, -8 AN

Fragola 2201051-BL Straight Hose End Adapter Fitting, -8 AN to -6 AN

Aeroquip Straight Full Flow Swivel Hose End Coupler Fitting, -6 AN

Vintage Air 044098 Polished Clutch Cover Model 709 Comp V-groove

Magnuson Superchargers 31-99-07-009 LRG Universal Cooling System

Fragola 482504-BL Tee Adapter Fitting, -4AN to 1/8 Inch NPT

Aeroquip Straight Full Flow Swivel Hose End Coupler Fitting, -12 AN

Fragola 100120 Straight Full Flow Hose End, -20 AN

Aeroquip FBM4423 Black Hose End Coupler Fitting-45 Degree Angle, -8 AN

Fragola 220112-BL Pro-Flow Straight Hose End Fitting, -12 AN

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

SPAL 30100400 Electric Cooling Fan, Straight Blade, 16 Inch

Mr Gasket 200104-BL -4 Straight Push-On Hose Ends, Black

Derale Performance Plain Stainless Flex Fan

Flex-A-Lite Heavy Duty Aluminum Cooling Fan

Derale 54086 Stack Plate Cooler, 40 Row, -6AN, 90 Degree Swivel

Vintage Air 11458-VUS Rotary Switch Fan-mode