1981 GMC C3500 Gen 1 L14 Small Block Chevy Radiator Thermostat Housings

16 products fit your

1981 GMC C3500

Chevy Small Block V8 Gen 1 2-Piece Rear Main 307 L14

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1981 GMC C3500

Engine Family

Chevy Small Block V8

Engine Version

Gen 1 2-Piece Rear Main

Displacement

307

Engine Code

L14

Products

Speedway Motors |

#91015822

Chevy Straight Aluminum Water Neck

(15)

Material Type:

Aluminum

Finish:

Polished

Hardware Included:

Yes

$30.99

/each

Small/Big Block Chevy 90 Degree Swivel Aluminum Water Neck, Black

Speedway Motors |

#9101739

Small/Big Block Chevy 90 Degree Swivel Aluminum Water Neck, Black

(23)

Material Type:

Aluminum

Finish:

Painted

Gasket(s) Included:

Yes

$26.99

/each

Small/Big Block Chevy Aluminum 15 Degree Swivel Water Neck, Black

Speedway Motors |

#9101724

Small/Big Block Chevy Aluminum 15 Degree Swivel Water Neck, Black

(9)

Material Type:

Aluminum

Finish:

Painted

Gasket(s) Included:

$26.99

/each

-11%

Mr Gasket |

#5502661

Mr Gasket 2661 Chrome Water Neck, 1966-75 Chevy V8

(2)

Sold in Quantity:

Each

GTIN Code:

084041026618

$29.84

/each

$33.57

-9%

Spectre 4933 90 Degree Water Neck, Pol Billet Aluminum, Chevy, Each

Spectre Performance |

#4654933

Spectre 4933 90 Degree Water Neck, Pol Billet Aluminum, Chevy, Each

(2)

Gasket(s) Included:

Yes

Hardware Included:

Yes

GTIN Code:

089601493305

$39.99

/each

$43.99

Small Block and Big Block Chevy Engine Flexplate Guide

Over several generations of small block Chevy (and big block Chevy) engines there have been several changes that dictate what flexplate works with them. We’ll help you determine the correct flexplate for your Chevy engine in this buyer’s guide.

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.

Chevy Small Block Casting Numbers

Decode small block Chevy engine suffix codes and block casting numbers with our SBC decoding info guide. Learn how to find and decipher your small block Chevy engine codes quickly and easily!

Radiator Hose Replacement - Big Block Chevy

How to install a chrome radiator hose kit and aluminum thermostat housing on a big block Chevy for an added touch to your engine bay.

454 Big Block Chevy Radiator Install

How to maintain coolant temperature for a Big Block Chevy engine. Installation instructions for a double pass radiator and electric fan in a 1954 Chevy Bel Air.

-8%

Moroso |

#54563420

Moroso 63420 Manifold Filler Neck

(2)

Material Type:

Aluminum

Finish:

Natural

Gasket(s) Included:

Yes

$97.99

/each

$107.51

Spectre Performance |

#4654930

Spectre 4930 45 Degree Water Neck, Pol Alum, O-Ring, Chevy, Each

(1)

GTIN Code:

089601493008

$107.95

/each

AFCO |

#1068031215

AFCO 80312-15 Chevy Aluminum Thermostat Housing, 15 Degree Neck

(13)

Material Type:

Aluminum

Finish:

Polished

Hardware Included:

Yes

$51.99

/each

AFCO |

#1068031245

AFCO Chevy Aluminum Thermostat Housing, 45 Degree Neck

(4)

Centerline of Holes (Alternate):

3.25"

Sold in Quantity:

Each

$39.99

/each

-11%

Mr Gasket |

#5502557

Mr Gasket 2557 Chrome Water Neck, 15 Degree

(1)

Finish:

Chrome

Gasket(s) Included:

Yes

Hardware Included:

Yes

$32.27

/each

$36.30

-8%

Mr Gasket |

#5509845

Mr Gasket 9845 Chrome Water Neck, SBC/BBC

Angle:

Straight

Sold in Quantity:

Each

$35.59

/each

$39.06

Spectre Performance |

#46542313

Spectre 42313 Water Neck

(4)

GTIN Code:

089601423135

$10.49

/each

Edelbrock |

#3254816

Edelbrock 4816 Polished Aluminum Water Neck, Straight

Material Type:

Aluminum

Finish:

Polished

Hardware Included:

Yes

$40.95

/each

Edelbrock |

#3254817

Edelbrock 4817 Polished Aluminum Water Neck, Straight, 45 Degree

(4)

Material Type:

Aluminum

Finish:

Polished

Hardware Included:

Yes

$37.95

/each

Edelbrock |

#3254818

Edelbrock 4818 Polished Aluminum Water Neck, Straight, 90 Degree

(2)

Material Type:

Aluminum

Finish:

Polished

Hardware Included:

Yes

$49.95

/each

Small/Big Block Chevy 45 Degree Swivel Aluminum Water Neck, Black

Speedway Motors |

#9101738

Small/Big Block Chevy 45 Degree Swivel Aluminum Water Neck, Black

(10)

Material Type:

Aluminum

Finish:

Painted

Gasket(s) Included:

$27.99

/each

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1981 GMC C3500 Gen 1 L14 Small Block Chevy Radiator Thermostat Housings

Finish

Brand

Availability

Discounts

Price

Customer Rating

Products

Chevy Straight Aluminum Water Neck

Small/Big Block Chevy 90 Degree Swivel Aluminum Water Neck, Black

Small/Big Block Chevy Aluminum 15 Degree Swivel Water Neck, Black

Mr Gasket 2661 Chrome Water Neck, 1966-75 Chevy V8

Spectre 4933 90 Degree Water Neck, Pol Billet Aluminum, Chevy, Each

Related Articles

Moroso 63420 Manifold Filler Neck

Spectre 4930 45 Degree Water Neck, Pol Alum, O-Ring, Chevy, Each

AFCO 80312-15 Chevy Aluminum Thermostat Housing, 15 Degree Neck

AFCO Chevy Aluminum Thermostat Housing, 45 Degree Neck

Mr Gasket 2557 Chrome Water Neck, 15 Degree

Mr Gasket 9845 Chrome Water Neck, SBC/BBC

Spectre 42313 Water Neck

Edelbrock 4816 Polished Aluminum Water Neck, Straight

Edelbrock 4817 Polished Aluminum Water Neck, Straight, 45 Degree

Edelbrock 4818 Polished Aluminum Water Neck, Straight, 90 Degree

Small/Big Block Chevy 45 Degree Swivel Aluminum Water Neck, Black

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