Genuine Mazda 3 Thermostat Housing

Engine Coolant Thermostat Housing

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7 Thermostat Housings found

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Mazda 3 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:
- 2021-2024 Mazda 3 | 2.5 Carbon Turbo, 2.5 Turbo, 2.5 Turbo Premium Plus | 4 Cyl 2.5 L GAS
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Mazda 3 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:
- 2007-2013 Mazda 3 | Mazdaspeed, S | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 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:
- 2012-2018 Mazda 3 | Grand Touring, i, i Grand Touring, I Sport, i SV, I Touring, Mazdaspeed, S, s Grand Touring, s Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 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:
- 2019-2024 Mazda 3 | 2.0, 2.5 S, 2.5 Turbo, 2.5 Turbo Premium Plus, Base, Carbon Edition, Preferred, Premium, Select, Select Sport | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Thermostat Housing Part Number: LF70-15-170
$71.45 MSRP: $95.29
You Save: $23.84 (26%)
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Product Specifications
- Other Name: Cover, W/Thermostat; Thermostat Unit
- Replaces: LF50-15-170B, LF50-15-171, LF53-15-170B, LF53-15-170A, LFE5-15-170, LF53-15-170, LF50-15-170C, LF50-15-170A, LF50-15-170
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2004-2013 Mazda 3 | i, Mazdaspeed, S, SP23 | 4 Cyl 2.0 L GAS, 4 Cyl 2.3 L GAS
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Mazda 3 Thermostat Housing Part Number: P502-15-17ZA
$100.95 MSRP: $134.62
You Save: $33.67 (26%)
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Product Specifications
- Other Name: Outlet, Water; Water Outlet
- Replaces: PEAR-15-17Z
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2018 Mazda 3 | Grand Touring, i Grand Touring, I Sport, i SV, I Touring, s Grand Touring, s Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
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Mazda 3 Thermostat Housing Part Number: PEDD-15-17Z
$109.80 MSRP: $146.43
You Save: $36.63 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Outlet, Water; Water Outlet
- Replaces: P501-15-17ZA
- Warranty: This genuine part is guaranteed by Mazda's factory warranty.
Fits the following Vehicles:
- 2014-2018 Mazda 3 | Grand Touring, i Grand Touring, I Sport, i SV, I Touring, s Grand Touring, s Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS

Mazda 3 Thermostat Housing

The Mazda 3 Thermostat Housing maintains optimal engine temperature levels to ensure that drivers can warm up their engines fast and drive long distances at high speed without worrying about the engine boiling over. Constructed as a heavy-duty housing between the radiator hose and cylinder head, the Thermostat Housing not only secures the thermostat firmly in place but also directs the flow of coolant and prevents leakage by using bolt flanges and an O-ring or molded gasket. It is fitted to a long list of three variants, including the first-generation compact, which has had no changes in mounting points and sensor port that allow Mazda enthusiasts to change the unit with confidence as the miles add on. It is this reliability throughout the model range that makes Mazda continue to produce simple and accessible parts, including for a variety of cars that are still in service, over three million. Its calling card is reliability and early versions using pressure-cast aluminum can take years of heat cycles without complaint and even newer composite shells can withstand corrosion without shedding pounds or extra fuel economy. The part helps to protect the sensitive wax pellet against road debris and thermal shock to extend the thermostat life, stabilize the operating temperature and consequently protect the pistons, gaskets and turbo hardware. It is more efficient since a chilled engine burns more fuel, but a fast-controlled block burns more quickly in the combustion chamber, producing fewer emissions and saving money at the pump. There is also the benefit of safety because the cooling apparatus is able to cope with steep mountain climbs or gridlocks without generating clouds of steam. The special considerations include integrated sensor bosses, smooth internal passages which reduce turbulence, and materials which have been proven to withstand extreme coolant mixtures, all of which are some of the special touches that enable this 3 Thermostat Housing to shine through a wide array of parts in a parts list. These specifications are important to proud Mazda 3 drivers because a reliable cooling junction keeps spirited handling alive to unlimited adventures.

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 3 parts. Enjoy the highly competitive prices online. Our site is your one-stop shop. Each genuine 3 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.