Mazda Thermostats

KJ0115172A - : Engine Coolant Thermostat Housing for Mazda Image

Engine Coolant Thermostat Housing

Mazda KJ01-15-172A
Millenia. 2.3l.
$23.32
MSRP $32.38
Save $9.06
28% Off
PX1P1519X - : Engine Coolant Thermostat Housing for Mazda Image

Engine Coolant Thermostat Housing

Mazda PX1P-15-19X
2.5L turbo.
$69.45
MSRP $98.11
Save $28.66
29.2% Off
175715173A - : Engine Coolant Thermostat Gasket for Mazda Image

Engine Coolant Thermostat Gasket

Mazda 1757-15-173A
$5.88
MSRP $8.04
Save $2.16
26.9% Off
N3A215170 - : Engine Coolant Thermostat Housing for Mazda Image

Engine Coolant Thermostat Housing

Mazda N3A2-15-170
$76.33
MSRP $109.69
Save $33.36
30.4% Off
F80115161 - : Engine Coolant Thermostat Housing for Mazda Image

Engine Coolant Thermostat Housing

Mazda F801-15-161
$23.48
MSRP $32.62
Save $9.14
28% Off
KL1115170E - : Engine Coolant Thermostat Housing for Mazda Image

Engine Coolant Thermostat Housing

Mazda KL11-15-170E
$112.65
MSRP $161.88
Save $49.23
30.4% Off
CY0115170A - : Engine Coolant Thermostat Kit for Mazda Image

Engine Coolant Thermostat Kit

Mazda CY01-15-170A
CX-9. To 6/12/08. Incl.Gasket,Housing and Thermostat. To 06/12/2008.
$405.25
MSRP $597.84
Save $192.59
32.2% Off
H30115170 - : Engine Coolant Thermostat Kit for Mazda Image

Engine Coolant Thermostat Kit

Mazda H301-15-170
Incl.Gasket,Housing and Thermostat. 3.3L, premium fuel. CX-70. Premium gas.
$83.62
MSRP $120.17
Save $36.55
30.4% Off
1F2015171 - : Engine Coolant Thermostat Kit for Mazda Image

Engine Coolant Thermostat Kit

Mazda 1F20-15-171
2.3L. B2300. Incl.Gasket,Housing and Thermostat.
$147.32
MSRP $211.71
Save $64.39
30.4% Off
PXPV15170 - : Engine Coolant Thermostat Kit for Mazda Image

Engine Coolant Thermostat Kit

Mazda PXPV-15-170
Incl.Gasket,Housing and Thermostat. 2.5L non turbo, with i-stop, 2024-25.
$74.25
MSRP $106.71
Save $32.46
30.4% Off
B6BF15172 - : Engine Coolant Thermostat Housing for Mazda Image

Engine Coolant Thermostat Housing

Mazda B6BF-15-172
Protege. 1.6l.
$27.30
MSRP $37.92
Save $10.62
28% Off
FS0515172 - : Engine Coolant Thermostat Housing for Mazda Image

Engine Coolant Thermostat Housing

Mazda FS05-15-172
2.0L. 626, MX-6. Without turbo. All. 4 cyl.
$21.72
MSRP $30.17
Save $8.45
28% Off

No results found for "thermostat". Here are some helpful search tips:

  • Search by a part name. Example: water pump.
  • Be less specific. Example: brake instead of ceramic brake.
  • Remove information such as make, year or model.
  • Can't find the part you are looking for? Contact us and we'll find it for you!


Keep Your Engine Running Right with Genuine Mazda Thermostats

Maintaining the right engine temperature is key to keeping your Mazda performing as it should. The thermostat plays a crucial role in regulating coolant flow and ensuring smooth temperature transitions during every drive. Over time, even quality thermostats can wear out, leading to performance issues and overheating. At Cox Mazda, we offer genuine Mazda thermostats built to last longer and perform better than generic aftermarket alternatives.

Understand What a Thermostat Does

The thermostat controls the flow of coolant between the engine and radiator to maintain a consistent operating temperature. When the engine is cold, it keeps the coolant in place until the motor warms up, then gradually opens to prevent overheating. Vehicles like the Mazda CX-30 and Mazda6 rely on this small but essential part to balance heat and performance efficiently. Using a genuine Mazda thermostat ensures that your vehicle’s cooling system functions exactly as intended by the manufacturer.

Know Why Thermostats Wear Out

After thousands of heating and cooling cycles, thermostats can become stuck open or closed, disrupting temperature control. Corrosion, coolant contamination, or old age are common causes of failure. Cheaper aftermarket thermostats may not fit precisely or respond accurately to temperature changes, increasing the risk of overheating or poor fuel economy. Genuine Mazda replacements from Cox Mazda are engineered for exact fit and reliable performance under all driving conditions.

Replace at the Right Time

Signs such as erratic temperature readings or poor heater performance often indicate a thermostat problem. Replacing it before complete failure helps prevent costly engine damage and keeps your Mazda running efficiently. When replacing your thermostat, consider inspecting the water pump as well, since both parts work closely to regulate engine temperature. At Cox Mazda, we provide high-quality Mazda parts designed for precision, durability, and long-term dependability.