Mazda B1800 Thermostat Housings

Your Mazda B1800 will be happy to know that the search for the right Thermostat Housings you’ve been looking for is over! Advance Auto Parts has 1 different Thermostat Housings for your vehicle, ready for shipping or in-store pick up. The best part is, our Mazda B1800 Thermostat Housings start from as little as $19.49.

When it comes to your Mazda B1800, 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 Dorman. We’re sure you will get the right product to keep that B1800 running for a long time.

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 B1800, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Mazda Thermostat Housings

Dorman – Coolant Housing/Water Outlet: With Water Outlet and O-Ring, 45 Degree Neck Angle (Part No.902-895)

Coolant Housing/Water Outlet: With Water Outlet and O-Ring, 45 Degree Neck Angle

from

$15.99
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
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Carquest Premium – Coolant Housing/Water Outlet (Part No.85668)

Coolant Housing/Water Outlet

from

$42.99
We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Direct-fit replacement for ease of installation
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
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Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.85139)

Coolant Housing/Water Outlet: Gasket Included

from

$48.99
We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • 100% virgin resin material to insure durability
  • 100% leak tested
  • Direct-fit replacement for ease of installation
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Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.85139A)

Coolant Housing/Water Outlet: Gasket Included

from

$56.99
We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • 100% leak tested
  • Direct-fit replacement for ease of installation
See More

Carquest Premium – Coolant Housing/Water Outlet: Gasket Included (Part No.85140)

Coolant Housing/Water Outlet: Gasket Included

from

$43.49
We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring to ensure proper seal (where applicable)
  • 100% virgin resin material to insure durability
  • 100% leak tested
  • Direct-fit replacement for ease of installation
See More

Motorcraft – Motorcraft Thermostat Housing (Part No.G4010432890MTR)

Motorcraft Thermostat Housing

from

$56.91
With today’s complex automotive engines, it’s even more critical to have the right cooling system components for accurate temperature control, pressure relief and gasket seals.

Product Features:
  • Heavy-duty quality for long life
  • Stainless steel, tapered-end pistons with flexible elastomeric boots
  • Mounting flange designed to properly fit and seat the thermostat in the housing
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 90 Degree Neck Angle (Part No.902-778)

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

from

$91.99
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, 90 Degree Neck Angle (Part No.902-1105)

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

from

$38.49
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 – Thermostat Housing and Outlet Assembly (Part No.G4002419768DOR)

Thermostat Housing and Outlet Assembly

from

$59.20
Re-engineered to address common failure points in the original equipment, 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. This is more than a replacement; it’s an upgrade. Maintain the steady flow of coolant and lessen the chances of overheating.

Product Features:
  • Fully assembled with thermostat, gaskets and hardware included
  • Hoses slide on for easy installation
  • Thermostat housing is constructed from high-quality plastic
  • Direct replacement for a proper fit every time
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Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 90 Degree Neck Angle (Part No.902-1041)

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

from

$30.99
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

Motorcraft – Motorcraft Thermostat Housing (Part No.G4010468284MTR)

Motorcraft Thermostat Housing

from

$133.48
With today’s complex automotive engines, it’s even more critical to have the right cooling system components for accurate temperature control, pressure relief and gasket seals.

Product Features:
  • Heavy-duty quality for long life
  • Stainless steel, tapered-end pistons with flexible elastomeric boots
  • Mounting flange designed to properly fit and seat the thermostat in the housing
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 90 Degree Neck Angle (Part No.902-1023)

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

from

$27.49
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, 90 Degree Neck Angle (Part No.902-1014)

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

from

$31.99
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 Thermostat Housing (Part No.G4010197025DOR)

Coolant Thermostat Housing

from

$29.50
Re-engineered to address common failure points in the original equipment, 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. This is more than a replacement; it’s an upgrade. 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, 180 Degree Neck Angle (Part No.902-1007)

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

from

$19.99
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

Carquest Premium – Engine Coolant Integrated Thermostat Housing (Part No.85690)

Engine Coolant Integrated Thermostat Housing

from

$132.99
High quality OE replacement part with all components needed to complete the job

Product Features:
  • Meets and/or exceeds OEM standard
  • Includes quality gasket or O-ring  to ensure proper seal (where applicable
  • 100% virgin resin material to insure durability
  • 100% leak tested
  • All-in-one bolt on solution for a complete repair
  • Includes quality thermostat
See More

Dorman – Coolant Housing/Water Outlet: With Housing and Gasket, 60 Degree Neck Angle (Part No.902-1008)

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

from

$56.99
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

Motorad – Coolant Housing/Water Outlet: (Part No.CH6129)

Coolant Housing/Water Outlet:

from

$55.99
Manufactured with OEM quality materials and safety standards by an OE Supplier. This housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. The construction of this housing is improved over the OE design to fix and update any issues that the OE design may have had.

Product Features:
  • Easy, one step fit and installation
  • No special tools required
  • Meets or exceeds all OEM standards
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Dorman – Coolant Housing/Water Outlet: With Gasket, Housing, and Thermostat (Part No.902-5198)

Coolant Housing/Water Outlet: With Gasket, Housing, and Thermostat

from

$52.99
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

MTC – Thermostat Housing (Part No.G4010377699MTC)

Thermostat Housing

from

$49.54
Thermostat Housing

Dorman – Coolant Housing/Water Outlet: With Housing, Gasket, and O-Rings (Part No.902-060)

Coolant Housing/Water Outlet: With Housing, Gasket, and O-Rings

from

$42.49
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.902-1040)

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

from

$37.49
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 – Thermostat Housing (Part No.G40101225806DOR)

Thermostat Housing

from

$37.34
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 – Engine Coolant Thermostat Housing Cover (Part No.G4011384719DOR)

Engine Coolant Thermostat Housing Cover

from

$37.20
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

Carquest Premium – Coolant Housing/Water Outlet (Part No.85692)

Coolant Housing/Water Outlet

from

$36.49
We are proud to offer this CARQUEST product line: CARQUEST Water Outlets. Our products are engineered and tested to provide years of trouble free operation and designed to be hassle free OE replacement part that meets and/or exceeds OE standards. Backed by over 50 years of mobile temperature control experience, fix it once and fix it right with CARQUST Water Outlets and Thermostat Housings.

Product Features:
  • Meets and/or exceeds OEM standard
  • Direct-fit replacement for ease of installation
  • Coated with corrosion and rust inhibitor
  • 100% leak tested
See More