Chevrolet C20 Thermostat Housings

Your Chevrolet C20 will be happy to know that the search for the right Thermostat Housings you’ve been looking for is over! Advance Auto Parts has 10 different Thermostat Housings for your vehicle, ready for shipping or in-store pick up. The best part is, our Chevrolet C20 Thermostat Housings start from as little as $12.79.

When it comes to your Chevrolet C20, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Thermostat Housings brands so you can shop with complete confidence. Some of our top Thermostat Housings brands are Mr. Gasket and Dorman. We’re sure you will get the right product to keep that C20 running for a long time.

We even have reviews of our OEM and aftermarket Thermostat Housings products to help you buy with confidence. Hear from other customers via the 33 reviews on parts for your Chevrolet C20.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Thermostat Housings for your C20, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Chevrolet Thermostat Housings

Mr. Gasket – Water Neck (Part No.2660)

Water Neck

from

$26.99
Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:
  • Precision die-cast
  • Chrome plated for looks
  • O-ring seal to prevent water leaks
  • Mounting hardware included
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Mr. Gasket – Precision Chrome Water Neck with O-Ring Style Seal for Leak-Free Operation (Part No.2661)

Precision Chrome Water Neck with O-Ring Style Seal for Leak-Free Operation

from

$26.99
Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:
  • Precision die-cast
  • Chrome plated for looks
  • O-ring style seal to prevent leaks
  • Mounting hardware included
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Mr. Gasket – Water Neck (Part No.2670)

Water Neck

from

$54.99
Mr. Gasket Swivel Water Necks are great for engine conversion applications where engine/radiator inlet and outlet ports may be in different locations versus original equipment. The outlet rotates 360 degrees and has a 30 degree angle for versatility. Die-cast aluminum construction is strong, and durably resisting corrosion and is chrome plated for classic looks. It has a thick mounting flange to prevent warping and provide a positive engine coolant seal. Included stainless steel Allen head cap screws mount flush with the top of the flange to provide a smooth, custom look. Designed for use with 1/2 inch radiator hoses.

Product Features:
  • Neck rotates 360 degrees 30 degree angle for maximum versatility in engine swaps
  • Die-cast aluminum for strength and durability and resist corrosion
  • Thick mounting flange prevents warping and provides a positive coolant seal
  • Chrome-plated for looks
  • Allen head stainless steel bolt mount flush to flange for custom look
  • Uses commonly available 1-1/2 radiator hose (casting I.D 1-3/16″)
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Dorman – Coolant Housing/Water Outlet: With Housing, 30 Degree Neck Angle (Part No.902-836)

Coolant Housing/Water Outlet: With Housing, 30 Degree Neck Angle

from

$35.49
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
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ACDelco – Engine Coolant Thermostat and Housing Assembly (Part No.15-11073)

Engine Coolant Thermostat and Housing Assembly

from

$112.99
ACDelco GM Original Equipment Engine Coolant Thermostat Housing Assemblies are designed, engineered, and tested to rigorous standards, and are backed by General Motors. ACDelco GM Original Equipment parts are the true OE parts installed during the production of or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.

Product Features:
  • Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional
  • ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
  • GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle
  • GM regularly updates production and service part designs to integrate new materials and technologies
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ACDelco – Engine Coolant Thermostat and Housing Assembly (Part No.15-11076)

Engine Coolant Thermostat and Housing Assembly

from

$85.99
ACDelco GM Original Equipment Engine Coolant Thermostat Housings are used in some makes and models. The housing holds the thermostat and is a connection point for the radiator hose inlet or outlet, and may also include ports for sensors or switches. These original equipment engine coolant thermostat housings are GM-recommended replacements for your vehicle’s original components and have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors.

Product Features:
  • Repairs leaking thermostat housings
  • GM-recommended replacement part for your GM vehicle’s original factory component
  • Offering the quality, reliability, and durability of GM OE
  • Manufactured to GM OE specification for fit, form, and function
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Dorman – Coolant Housing/Water Outlet: With Coolant Pipe, Gaskets, and Ignition Holder (Part No.902-103)

Coolant Housing/Water Outlet: With Coolant Pipe, Gaskets, and Ignition Holder

from

$45.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Mr. Gasket – Water Neck (Part No.2557)

Water Neck

from

$27.49
Precision die cast, these water necks are first polished to a high luster, then chrome plated. Features an O-ring style seal to prevent water leaks. Comes with O-ring gasket and mounting bolts.

Product Features:
  • Complete with o-rings and mounting bolts
  • Features an o-ring style seal to prevent water leaks
  • Chrome plated
  • 1/2″ NPT port can be used for various coolant temp related sensors or switches
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Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 15 Degree Neck Angle (Part No.902-2009)

Coolant Housing/Water Outlet: With Housing and Gasket, 15 Degree Neck Angle

from

$12.79
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Engine Coolant Thermostat Housing (Part No.G4010754310DOR)

Engine Coolant Thermostat Housing

from

$32.67
Dorman’s Engine Coolant Thermostat Housing has improved durability and resistance. It withstands the extreme changes in temperature that frequently cause housing to become brittle, crack and leak. Maintain the steady flow of coolant and lessen the chances of overheating.

Product Features:
  • Direct replacement for a proper fit every time
  • Hoses slide on for easy installation
  • High-quality plastic or metal construction
  • Includes all hardware necessary for a complete repair (where applicable)
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Mr. Gasket – Water Neck (Part No.9845)

Water Neck

from

$30.19
Precision die-cast for a great fit, these water necks are first polished to a high luster, then chrome plated. Comes with gasket and mounting bolts.

Product Features:
  • Prevents Water Leaks
  • Precision Die Cast
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Dorman – Coolant Housing/Water Outlet: With Housing (Part No.902-2094)

Coolant Housing/Water Outlet: With Housing

from

$57.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Engine Coolant Thermostat Housing (Part No.G4010754311DOR)

Engine Coolant Thermostat Housing

from

$29.37
Dorman’s Engine Coolant Thermostat Housing has improved durability and resistance. It withstands the extreme changes in temperature that frequently cause housing to become brittle, crack and leak. Maintain the steady flow of coolant and lessen the chances of overheating.

Product Features:
  • Direct replacement for a proper fit every time
  • Hoses slide on for easy installation
  • High-quality plastic or metal construction
  • Includes all hardware necessary for a complete repair (where applicable)
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 180 Degree Neck Angle (Part No.902-2001)

Coolant Housing/Water Outlet: With Housing and Gasket, 180 Degree Neck Angle

from

$18.49
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 60 Degree Neck Angle (Part No.902-694)

Coolant Housing/Water Outlet: With Housing and Gasket, 60 Degree Neck Angle

from

$11.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Coolant Housing/Water Outlet: With Housing (Part No.902-2084)

Coolant Housing/Water Outlet: With Housing

from

$24.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket (Part No.902-2021)

Coolant Housing/Water Outlet: With Housing and Gasket

from

$28.49
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 45 Degree Neck Angle (Part No.902-2020)

Coolant Housing/Water Outlet: With Housing and Gasket, 45 Degree Neck Angle

from

$18.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 180 Degree Neck Angle (Part No.902-1017)

Coolant Housing/Water Outlet: With Housing and Gasket, 180 Degree Neck Angle

from

$21.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Coolant Housing/Water Outlet: With Water Outlet, 90 Degree Neck Angle (Part No.902-2127)

Coolant Housing/Water Outlet: With Water Outlet, 90 Degree Neck Angle

from

$111.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 15 Degree Neck Angle (Part No.902-2050)

Coolant Housing/Water Outlet: With Housing and Gasket, 15 Degree Neck Angle

from

$32.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Coolant Housing/Water Outlet: With Housing, 45 Degree Neck Angle (Part No.902-2083)

Coolant Housing/Water Outlet: With Housing, 45 Degree Neck Angle

from

$36.49
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 180 Degree Neck Angle (Part No.902-2005)

Coolant Housing/Water Outlet: With Housing and Gasket, 180 Degree Neck Angle

from

$24.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 45 Degree Neck Angle (Part No.902-2013)

Coolant Housing/Water Outlet: With Housing and Gasket, 45 Degree Neck Angle

from

$21.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 45 Degree Neck Angle (Part No.902-2016)

Coolant Housing/Water Outlet: With Housing and Gasket, 45 Degree Neck Angle

from

$20.99
This replacement engine coolant thermostat housing is engineered to match the fit and durability of the stock thermostat housing on specified vehicles. It is designed to withstand extreme temperature changes to extend service life.

Product Features:
  • Ideal replacement – this engine coolant thermostat housing directly replaces the original housing on specified vehicle years, makes and models
  • Durable construction – this part is specifically designed to withstand extreme temperature changes and resist cracking and leaking
  • Cost-effective and reliable – offers original manufacturer quality at lower cost than getting replacement at dealer
  • Industry-leading design – professionally engineered by the aftermarket leader in replacement thermostat housings
See More

FAQs for Chevrolet C20 Thermostat Housings

What are the most popular Thermostat Housings for the Chevrolet C20?

With 2 brands you can trust, our most popular Thermostat Housings for the Chevrolet C20 are:
Water Neck
from $27.49
This product is not rated
Water Neck
Thermostat Housings
Coolant Housing/Water Outlet: With Housing and Gasket, 15 Degree Neck Angle
from $12.79
This product is not rated
Coolant Housing/Water Outlet: With Housing and Gasket, 15 Degree Neck Angle
Thermostat Housings