Genuine Mazda Thermostat Housing

Engine Coolant Thermostat Housing

Select Vehicle by Model
Select Vehicle by VIN

Select Vehicle by Model

Model

Select Vehicle by VIN

For the most accurate results, select vehicle by your VIN (Vehicle Identification Number).

72 Thermostat Housings found

View related parts
Mazda Cover Part Number: AJ03-15-172C
$26.73 MSRP: $35.64
You Save: $8.91 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat; Cover, Thermostat Housing, Water Outlet
- Replaces: AJ03-15-172B, AJ03-15-172A, AJ03-15-172
Fits the following Mazda Models:
- 6 | 2003-2008 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 6 Cyl 3.0 L GAS
- MPV | 2002-2006 | ES, LX, LX-SV | 6 Cyl 3.0 L GAS
- Tribute | 2008, 2001-2006 | DX, ES, LX, S | 6 Cyl 3.0 L GAS
View More
View related parts
Mazda Thermostat Housing Part Number: B61P-15-172
$27.20 MSRP: $36.27
You Save: $9.07 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat
Fits the following Mazda Models:
- Miata | 1990-1993 | Base, LE, SE | 4 Cyl 1.6 L GAS
View related parts
Mazda Thermostat Housing Part Number: F201-15-172B
$25.83 MSRP: $34.45
You Save: $8.62 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat
Fits the following Mazda Models:
- 626 | 1990-1992 | DX, LE, LX | 4 Cyl 2.2 L GAS
- MX-6 | 1990-1992 | DX, LE, LX | 4 Cyl 2.2 L GAS
View related parts
Mazda Thermostat Housing Part Number: F202-15-172B
$4.46 MSRP: $34.45
You Save: $29.99 (88%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat
Fits the following Mazda Models:
- 626 | 1990-1992 | DX, GT, LE, LX | 4 Cyl 2.2 L GAS
- MX-6 | 1990-1992 | DX, GT, GT 4WS, LE, LX | 4 Cyl 2.2 L GAS
View related parts
Mazda Thermostat Housing Part Number: B366-15-172
$27.39 MSRP: $36.52
You Save: $9.13 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat
Fits the following Mazda Models:
- 323 | 1990-1994 | Base, SE | 4 Cyl 1.6 L GAS
- MX-3 | 1992-1993 | Base | 4 Cyl 1.6 L GAS
- Protege | 1990-1994 | 4WD, Base, DX, LX, SE | 4 Cyl 1.8 L GAS
View More
View related parts
Mazda Thermostat Housing Part Number: B6BF-15-172
$28.35 MSRP: $37.81
You Save: $9.46 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat; Water Outlet
Fits the following Mazda Models:
- Protege | 1995-2001 | DX, ES, LX | 4 Cyl 1.5 L GAS, 4 Cyl 1.6 L GAS, 4 Cyl 1.8 L GAS
View related parts
Mazda Thermostat Part Number: PY8W-15-172
$30.44 MSRP: $40.59
You Save: $10.15 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat
Fits the following Mazda Models:
- 3 | 2021-2024 | 2.5 Carbon Turbo, 2.5 Turbo, 2.5 Turbo Premium Plus | 4 Cyl 2.5 L GAS
- 6 | 2018-2021 | Carbon Edition, Grand Touring, Grand Touring Reserve, Signature | 4 Cyl 2.5 L GAS
- CX-30 | 2021-2023 | 2.5 Turbo | 4 Cyl 2.5 L GAS
- CX-5 | 2019-2024 | 2.5 Turbo, 2.5 Turbo Signature, Carbon Edition Turbo, Grand Touring Reserve, Signature | 4 Cyl 2.5 L GAS
- CX-50 | 2023-2024 | 2.5 Turbo | 4 Cyl 2.5 L GAS
- CX-9 | 2016-2023 | Carbon Edition, Grand Touring, Signature, Sport, Touring, Touring Plus | 4 Cyl 2.5 L GAS
View More
View related parts
Mazda Thermostat Housing Part Number: 1F81-15-172
$29.61 MSRP: $39.49
You Save: $9.88 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat
- Replaces: 1F61-15-172
Fits the following Mazda Models:
- B3000 | 2002-2007 | Base, DS, SE | 6 Cyl 3.0 L FLEX, 6 Cyl 3.0 L GAS
View related parts
Mazda Thermostat Housing Part Number: BPE8-15-172
$32.39 MSRP: $43.19
You Save: $10.80 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat; Thermostat Cover
Fits the following Mazda Models:
- Miata | 1999-2005, 1994-1997 | 10th Anniversary, Base, LS, M Edition, Mazdaspeed, SE, Shinsen, STO | 4 Cyl 1.8 L GAS
View related parts
Mazda Thermostat Housing Part Number: 8872-15-170A
$32.71 MSRP: $43.63
You Save: $10.92 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat
Fits the following Mazda Models:
- RX-7 | 1984-1985 | GS, GSL, S | 2 Cyl 1.1 L GAS
View related parts
Mazda Thermostat Housing Part Number: 1F73-15-172
$50.36 MSRP: $67.16
You Save: $16.80 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Thermostat Cover
- Replaces: 1F22-15-172A, 1F22-15-172
Fits the following Mazda Models:
- B4000 | 2001-2009 | Base, DS, SE | 6 Cyl 4.0 L GAS
View related parts
Mazda Thermostat Part Number: L336-15-170
$42.59 MSRP: $56.79
You Save: $14.20 (25%)
Ships in 1-2 Business Days
ADD TO CART
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
Fits the following Mazda Models:
- 3 | 2007-2013 | Mazdaspeed, S | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- 5 | 2012-2015 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- 6 | 2003-2013 | i, Mazdaspeed, S | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS, 6 Cyl 3.0 L GAS
- CX-7 | 2007-2012 | Grand Touring, Sport, SV, Touring | 4 Cyl 2.3 L GAS, 4 Cyl 2.5 L GAS
- MX-5 Miata | 2006-2007 | Base, Club Spec, Grand Touring, Sport, SV, Touring | 4 Cyl 2.0 L GAS
- Tribute | 2008-2010 | Hybrid | 4 Cyl 2.3 L FULL HYBRID EV-GAS (FHEV), 4 Cyl 2.5 L FULL HYBRID EV-GAS (FHEV)
View More
View related parts
Mazda Cover Part Number: P51B-15-172A
$43.04 MSRP: $57.40
You Save: $14.36 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat; Cover
Fits the following Mazda Models:
- MX-5 Miata | 2016-2023 | 100th Anniversary Special Edition, Club, Grand Touring, RF 100th Anniversary Special Edition, RF Club, RF Grand Touring, RF GT, Sport | 4 Cyl 2.0 L GAS
View related parts
Mazda Thermostat Housing Part Number: SH01-15-172
$45.50 MSRP: $60.67
You Save: $15.17 (25%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat; Thermostat Housing, Thermostat Outlet
Fits the following Mazda Models:
- CX-5 | 2019 | Signature | 4 Cyl 2.2 L DIESEL
View related parts
Mazda Thermostat Housing Part Number: YF09-15-176B
$28.64 MSRP: $38.19
You Save: $9.55 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Case, Thermostat
- Replaces: YF09-15-176A, YF09-15-176
Fits the following Mazda Models:
- Tribute | 2001-2004 | DX | 4 Cyl 2.0 L GAS
View related parts
Mazda Thermostat Housing Part Number: PEDD-15-172
$57.91 MSRP: $77.22
You Save: $19.31 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat
- Replaces: PE01-15-172A
Fits the following Mazda Models:
- 3 | 2012-2018 | 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
- 6 | 2014-2017 | Grand Touring, Sport, Touring | 4 Cyl 2.5 L GAS
- CX-3 | 2016-2018 | Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS
- CX-5 | 2013-2017 | Grand Select, Grand Touring, Sport, Touring | 4 Cyl 2.0 L GAS, 4 Cyl 2.5 L GAS
- CX-50 | 2023-2024 | 2.5 S | 4 Cyl 2.5 L GAS
View More
View related parts
Mazda Case Part Number: FS05-15-176A
$60.40 MSRP: $80.55
You Save: $20.15 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Case, Thermostat; Case
- Replaces: FS05-15-176
Fits the following Mazda Models:
- 626 | 1998-2002 | DX, ES, LX | 4 Cyl 2.0 L GAS
- Protege | 1999-2003 | DX, ES, LX, Mazdaspeed, MP3 | 4 Cyl 1.8 L GAS, 4 Cyl 2.0 L GAS
- Protege5 | 2002-2003 | Base | 4 Cyl 2.0 L GAS
View More
View related parts
Mazda Thermostat Cover Part Number: N3H1-15-170C
$67.55 MSRP: $90.09
You Save: $22.54 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Cover, Thermostat; Water Outlet
- Replaces: N3H1-15-170B, N3H1-15-170A
Fits the following Mazda Models:
- RX-8 | 2004-2011 | 40th Anniversary Edition, Base, Grand Touring, R3, Shinka, Sport, Touring | 2 Cyl 1.3 L GAS
View related parts
Mazda Thermostat Housing Part Number: PYFD-15-19YB
$69.20 MSRP: $92.29
You Save: $23.09 (26%)
Ships in 1-2 Business Days
ADD TO CART
Product Specifications
- Other Name: Pipe, Water; Thermostat Housing, Water Valve
- Replaces: PYFD-15-19Y, PYFC-15-19Y
Fits the following Mazda Models:
- 3 | 2019-2024 | 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
- 6 | 2018-2020 | Sport, Touring | 4 Cyl 2.5 L GAS
View related parts
Mazda Thermostat Housing Part Number: KL01-15-172
Product Specifications
- Other Name: Cover, Thermostat; Thermostat Cover
Fits the following Mazda Models:
- 626 | 1993-2002 | ES, LX | 6 Cyl 2.5 L GAS
- MX-3 | 1992-1995 | Base, GS, Precedia, SE | 6 Cyl 1.8 L GAS
- MX-6 | 1993-1997 | LS, M Edition | 6 Cyl 2.5 L GAS
- Millenia | 1995-2002 | Base, L | 6 Cyl 2.5 L GAS
View More

| Page 1 of 4 |Next >

1-20 of 72 Results

Mazda Thermostat Housing

Mazda Thermostat Housing maintains the engine temperature by protecting the thermostat and directing the coolant flow in the correct way so each drive remains smooth and does not overheat. Mazda has commanded worldwide respect for automobiles that blend sportiness and smart efficiency, from the legendary rotary past to today's Skyactiv powertrains that wring more miles from each gallon. Its Kodo design features lively curves that catch the eye while light chassis tuning allows the steering to feel direct and playful. The i-Activsense safety features, available electric assistance, and thoroughly tested all-wheel drive are underlined by a commitment to innovation that keeps the focus on driving joy. Loyal fans appreciate this combination of style, safety, and fun that sets Mazda apart on city streets as well as winding roads. The Thermostat Housing fits right into that philosophy because it supports engine performance on the basic level, sealing the coolant path so the thermostat can react in seconds to allow the engine to quickly warm up for crisp throttle response then release excess heat under heavy loads. Built in durable metal or advanced heat-resistant plastic, the housing resists distortion, blocks grime, and positions hoses for unobstructed flow, extending gasket life and reducing leak risk across the entire lineup. Regular coolant changes help the Thermostat Housing continue to protect every Mazda powerplant, ensuring reliability that matches the spirited character drivers expect from Mazda.

You'll get great performance and real durability when you pick genuine OEM Thermostat Housing. Mazda builds these using high-quality materials and official factory methods to ensure they hold up mile after mile. You deserve that Mazda reliability without the headache of cheap knockoffs. It is easy to find exactly what you need in our huge inventory of genuine parts. Plus, every OEM part carries a real manufacturer's warranty for your peace of mind. You will love our low prices too. Order today and we will ship your brand-new parts fast. They often reach your door in just a few days.