Genuine Mazda 6 Thermostat Housing

Engine Coolant Thermostat Housing

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11 Thermostat Housings found

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Mazda 6 Cover Part Number: AJ03-15-172C
$24.05 MSRP: $32.07
You Save: $8.02 (26%)
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Product Specifications
- Other Name: Cover, Thermostat; Cover, Thermostat Housing, Water Outlet
- Replaces: AJ03-15-172B, AJ03-15-172A, AJ03-15-172
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2003-2008 Mazda 6 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mazda 6 Thermostat Part Number: PY8W-15-172
$30.44 MSRP: $40.59
You Save: $10.15 (26%)
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Product Specifications
- Other Name: Cover, Thermostat
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2018-2021 Mazda 6 | Carbon Edition, Grand Touring, Grand Touring Reserve, Signature | 4 Cyl 2.5 L GAS
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Mazda 6 Thermostat Part Number: L336-15-170
$42.59 MSRP: $56.79
You Save: $14.20 (25%)
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Product Specifications
- Other Name: Thermostat & Cover; Cover, Thermostat, Thermostat Housing, Water Inlet
- Replaces: L328-15-170A, L327-15-170, L327-15-170A, L327-15-171, L328-15-170B, ZZCA-15-172, ZZCA-15-172A, LFE2-15-170
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2003-2013 Mazda 6 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
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Mazda 6 Thermostat Housing Part Number: PEDD-15-172
$57.91 MSRP: $77.22
You Save: $19.31 (26%)
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Product Specifications
- Other Name: Cover, Thermostat
- Replaces: PE01-15-172A
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2017 Mazda 6 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda 6 Thermostat Housing Part Number: PYFD-15-19YB
$69.20 MSRP: $92.29
You Save: $23.09 (26%)
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Product Specifications
- Other Name: Pipe, Water; Thermostat Housing, Water Valve
- Replaces: PYFD-15-19Y, PYFC-15-19Y
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2018-2020 Mazda 6 | Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda 6 Thermostat Housing Part Number: PE01-15-17Z
$90.94 MSRP: $121.27
You Save: $30.33 (26%)
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Product Specifications
- Other Name: Outlet, Water
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2017 Mazda 6 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda 6 Thermostat Housing Part Number: AJ51-15-176B
$92.69 MSRP: $123.60
You Save: $30.91 (26%)
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Product Specifications
- Other Name: Case, Thermostat
- Replaces: AJ51-15-176A, AJ51-15-176
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2003-2008 Mazda 6 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mazda 6 Thermostat Housing Part Number: PY8W-15-17Z
$159.63 MSRP: $212.88
You Save: $53.25 (26%)
Ships in 1-2 Business Days
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Product Specifications
- Other Name: Outlet, Water; Thermostat Housing, Water Outlet
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2018-2021 Mazda 6 | Carbon Edition, Grand Touring, Grand Touring Reserve, Signature, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda 6 Thermostat Part Number: AJ57-15-171A
Product Specifications
- Replaces: AJ57-15-171
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2003-2008 Mazda 6 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
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Mazda 6 Thermostat Housing Part Number: PE02-15-17Z
Product Specifications
- Other Name: Outlet, Water
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2017 Mazda 6 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
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Mazda 6 Thermostat Housing Part Number: ZZJ1-15-172
Product Specifications
- Other Name: Cover, Thermostat; Thermostat Housing, Thermostat Unit
- Replaces: CA01-15-170A, CA69-15-170
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2009-2013 Mazda 6 | S | 6 Cyl 3.7 L GAS

Mazda 6 Thermostat Housing

The Mazda 6 Thermostat Housing is a temperature controller for the engine, which ensures the optimal level of heat to guarantee good performance and a long life for the engine. Fitting to hold the thermostat in place and provide a coolant pathway between the cylinder head and radiator, this small yet very crucial component has developed a notoriety for being as rock solid as the granite, keeping the engine cooler during spirited runs as well as ensuring a quick warm-up on a cold morning. Its cast metal and high-grade plastic alternatives are highly praised by owners to achieve various durability targets, but both are precision molded to withstand vibration, dirt, and the intense heat of under-hood service. Due to the identical cooling principle of all Mazda generations, the housing can be connected to the 1st, the 2nd, and the existing 6 models without any clumsy changes and allow the sedans, wagons, and liftbacks to enjoy the same consistent temperature level, which empowers free throttle response, reduced emissions, and high fuel economy. This unit also protects passengers by sealing the coolant passage until the engine reaches its correct operating temperature; by this time the engine is warm, cabin heat is reliable, and there is less likelihood of losing power suddenly in a traffic jam. The other feature worth noting is the Thermostat Housing's internal splash guard which protects the spring of the thermostat against road spray and lengthens the service life of the thermostat in addition to eliminating the chance of corrosion. This outlet is also angled to provide additional streamlining of the fluid flow near the pump to reduce the workload on the pump and enhance the agile maneuverability that Mazda vehicles are renowned for. The appropriate Thermostat Housing selection will regain factory cooling harmony, an effortless upgrade that assists any 6 in remaining active, effective, and secure throughout the miles and preserve the legendary balance of dependability and speed that the Mazda is known to have.

Looking for Thermostat Housing with proven quality? Choose OEM Thermostat Housing. Mazda designs and builds them to strict factory specs. Every piece goes through rigorous quality checks. You'll get parts that fit right and work like new. Shop our huge inventory of OEM Mazda 6 parts. Enjoy the highly competitive prices online. Our site is your one-stop shop. Each genuine 6 part includes a manufacturer's warranty. Buy with confidence. Our return policy is simple and hassle-free. In a rush? Choose expedited delivery at checkout. You'll love the streamlined experience from search to checkout to receiving your order.