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We stock Genuine OEM Mazda® Thermostat for your Mazda 3. OEM thermostats are designed and manufactured to fit and function perfectly with your specific make and model of vehicle. They are designed to regulate the flow of coolant through your engine, ensuring that your engine operates at the correct temperature range. A malfunctioning thermostat can cause overheating, poor fuel efficiency, and potential engine damage, so replacing it with an OEM part can ensure optimal performance and reliability. Additionally, using an OEM thermostat can help ensure that the part is covered under the manufacturer's warranty. Manufacturer's Warranty Included. Guaranteed Fit. Experts standing by.

PY8W15172 - Cooling System: Thermostat Outlet for Mazda: 3, 6, CX-30, CX-5, CX-50, CX-9 Image

Thermostat Outlet

Mazda PY8W-15-172

CX-9. Thermostat cover. CX-5. Japan built. Mazda3. Mexico built. With 2.5L turbo. CX-30. CX-50.

$29.20

MSRP $40.59

Save $11.39

28.1% Off

P5SP15173A - Cooling System: Thermostat Gasket for Mazda: 3, CX-30, CX-5 Image

Thermostat Gasket

Mazda P5SP-15-173A

Mazda3. CX-30. Without 2.5L turbo, 2023-25. 2.5L non turbo, with i-stop, 2024-25.

$4.47

MSRP $4.97

Save $0.50

10.1% Off

L33615170 - : Thermostat Unit for Mazda: 3, 5, 6, CX-7, MX-5 Miata, Tribute Image

Thermostat Unit

Mazda L33615170

$40.85

MSRP $56.79

Save $15.94

28.1% Off

LF7015170 - : OEM NEW 2010-2013 Mazda 3 MX5 Miata Thermostat Housing Trunk Lid Lock LF7015170 for Mazda: 3, 5, MX-5 Miata Image

OEM NEW 2010-2013 Mazda 3 MX5 Miata Thermostat Housing Trunk Lid Lock LF7015170

Mazda LF7015170

Miata mx5. From 9/1/06. Mazda5. Without mazdaspeed. To 3/8/06. 2.0L without skyactiv. Mazda3. 2.0l. Without skyactiv-g engine.

$66.76

MSRP $95.29

Save $28.53

29.9% Off

P5021517ZA - : Thermostat Housing for Mazda: 3, 6, CX-3, CX-5 Image

Thermostat Housing

Mazda P502-15-17ZA

Mazda3. 2.0L, auto trans. 2.5L, auto trans. 2016-18. CX-3. CX-5. From 02/01/2014. Without turbo. 2.5L non turbo, 2017.

$94.33

MSRP $134.62

Save $40.29

29.9% Off

PX9R15170 - Cooling System: Thermostat Housing for Mazda: 3, CX-30, CX-50 Image

Thermostat Housing

Mazda PX9R-15-170

Mazda3. Mexico built. CX-30. CX-50. Japan built. Manual trans. 2.5L.

$80.35

MSRP $114.67

Save $34.32

29.9% Off

P50115171 - Cooling System: Engine Coolant Thermostat for Mazda: 3, MX-5 Miata Image

Engine Coolant Thermostat

Mazda P501-15-171

Mazda3. Mexico built. To 08/04/2015.

$27.24

MSRP $37.87

Save $10.63

28.1% Off

P50215171 - : Engine Coolant Thermostat for Mazda: 3, 6, CX-3, CX-30, CX-5, CX-50, CX-9, MX-5 Miata Image

Engine Coolant Thermostat

Mazda P502-15-171

$24.84

MSRP $31.85

Save $7.01

22% Off

PEDD1517Z - : Engine Coolant Thermostat Housing for Mazda: 3, 6, CX-5 Image

Engine Coolant Thermostat Housing

Mazda PEDD-15-17Z

Mazda3. 2.0L, manual trans. 2.5L. From 02/01/2014.

$102.60

MSRP $146.43

Save $43.83

29.9% Off

LF0315165A - : Engine Coolant Thermostat Gasket for Mazda: 3, 5, 6, B2300, CX-7, MX-5 Miata, Tribute Image

Engine Coolant Thermostat Gasket

Mazda LF03-15-165A

Mazda5. CX-7. B2300. 2.0L without skyactiv. Tribute. Mazda6. 2.5L, 2011-13. With mazdaspeed. With turobcharger. 2.5L, 2009-2010.

$6.90

MSRP $7.67

Save $0.77

10% Off

9XF006147L - : Engine Coolant Thermostat Housing Bolt for Mazda: 3, 6, CX-5 Image

Engine Coolant Thermostat Housing Bolt

Mazda 9XF0-06-147L

2.5L non turbo. Japan built without turbo.

$1.04

MSRP $1.15

Save $0.11

9.6% Off

994720622A - : Engine Coolant Thermostat Housing Stud for Mazda: 3, 6 Image

Engine Coolant Thermostat Housing Stud

Mazda 9947-20-622A

2.5L non turbo. Japan built without turbo.

$2.00

MSRP $2.22

Save $0.22

9.9% Off

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