2003 Mazda 6 Engine Cooling Parts

Essential 2003 Mazda 6 Engine Cooling Parts

Motorcraft – Motorcraft Thermostat Housing (Part No.G4010468284MTR)

Motorcraft Thermostat Housing

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$133.48
With today’s complex automotive engines, it’s even more critical to have the right cooling system components for accurate temperature control, pressure relief and gasket seals.

Product Features:
  • Heavy-duty quality for long life
  • Stainless steel, tapered-end pistons with flexible elastomeric boots
  • Mounting flange designed to properly fit and seat the thermostat in the housing
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Carquest Premium – Integrated Thermostat Housing: With Seal, 180 Degrees (Part No.48708)

Integrated Thermostat Housing: With Seal, 180 Degrees

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$21.79
Carquest Premium Integrated Housing Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This integrated thermostat housing will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant as well as the design and function of the housing. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Dorman – Radiator Fan Assembly: Dual, Cost Effective & Reliable (Part No.620-708)

Radiator Fan Assembly: Dual, Cost Effective & Reliable

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$147.99
This engine cooling fan assembly is precision-engineered to match the fit and performance of the stock radiator fan on specific vehicle years, makes and models. It has been rigorously tested to ensure it cools as effectively as the original part.

Product Features:
  • Ideal replacement – this engine cooling fan assembly was precision-engineered to match the fit and performance of the stock radiator fan assembly on specific vehicles
  • Complete package – assembly is designed with the same materials and components as the original part
  • Quality assured – motors are tested in laboratory settings to ensure performance
  • Cost effective and reliable – trustworthy manufacturing for far less than same part at the dealership
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Permatex – The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ (Part No.34328)

The Right Stuff: Grey, 90 Minute Gasket Maker, 3 OZ

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$17.49
Permatex’s The Right Stuff 90 Minute Series offers the fastest return to service in a in just 90 minute! This leak-proof, elastomeric “Formed-in-place” material is more reliable and longer lasting than pre-cut gaskets. It is blowout resistant and protects against leaks and seepage caused by vibration and thermal expansion. The Right Stuff 90 Minute Grey is specified for high torque and high vibration applications and is formulated to meet or exceed performance standards for long-term sealability, durability and handling.

Product Features:
  • Designed to perform under higher torque loads associated with engines having closely spaced bolt patterns
  • Sensor-safe, non-corrosive, RTV silicone
  • Protects against leaks caused by vibration and thermal expansion
  • Meets performance specs of OE silicone gaskets
  • Quickly returns vehicle to service in just 90 minutes
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Vemo – Engine Coolant Temperature Sensor (Part No.C6020197036VMO)

Engine Coolant Temperature Sensor

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$16.46
The Vemo Engine Coolant Temperature Sensor is an ideal high quality aftermarket replacement that is manufactured to meet or exceed OE specifications for fit, form, and function.

Product Features:
  • Premium aftermarket replacement
  • Provides performance and dependability
  • Manufactured to meet OE specifications
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Motorcraft – Thermostat Bypass Pipe (Part No.G4006673604MTR)

Thermostat Bypass Pipe

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$133.78
The Motorcraft Thermostat Bypass Pipe is an OES replacement component that provides the same performance, durability, and service life as your factory original equipment.

Product Features:
  • OES replacement part for your vehicle’s original factory component
  • Offering the quality, reliability, and durability of OES
  • Manufactured to OES specification for fit, form, and function
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Autotecnica – Coolant Outlet Flang (Part No.G1055559642ANA)

Coolant Outlet Flang

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$72.82
Coolant Outlet Flang

Carquest Premium – Radiator: With Transmission Oil Cooler (Part No.813390)

Radiator: With Transmission Oil Cooler

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$241.99
Carquest Premium radiators are designed and engineered for maximum performance, using the highest-grade materials to ensure all radiators meet or exceed original equipment (O.E.) fit, form and function. Carquest Premium radiators are built by manufacturers that meet IATF 16949 certified framework, an internationally recognized proof of quality in the automotive industry. Most modern vehicles use radiators with plastic tanks and our parts are engineered with integrated ribbing to prevent damage during thermal cycling. Carquest Premium radiators are also 100% tested to ensure a durable, leak-free cooling system repair.

Product Features:
  • Thermal tested under real-life temperature simulations
  • High tensile strength aluminum for maximum crimp strength
  • Plastic tanks are engineered with integrated ribbing for added strength to withstand cracks, bowing and distortion during thermal cycles
  • Thermal expansion slots extend core life and reduce failure rates by allowing improved core expansion and contraction during systematic heat cycles
  • Oil cooler designs meet or exceed OE standards, keeping the vehicle’s engine and transmission performing at optimal conditions
  • OEM grade, premium fittings for transmission or engine oil coolers (where applicable)
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Permatex – Ultra Grey RTV Silicone Gasket Maker, 13 OZ (Part No.82195)

Ultra Grey RTV Silicone Gasket Maker, 13 OZ

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$26.99
Permatex Ultra Grey is specified for high torque and high vibration applications. Ultra Grey offers a sensor-safe, low odor, non-corrosive formula and is OEM specified to fit dealership warranty requirements. This high performance gasket maker meets performance specs of OE silicone gaskets and can be used on high torque and vibration applications such as valve covers, water pump, intake manifold end seals ad thermostat housings.

Product Features:
  • High torque and rigidity
  • Sensor-safe, non-corrosive formula
  • OEM specified
  • Low-odor, non-corrosive formula
  • Ideal for closed spaced bolt patterns
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Motorcraft – OES Replacement Water Pump (Part No.G3000673672MTR)

OES Replacement Water Pump

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$183.68
Motorcraft gas and diesel engine water pumps contain a precision bearing to help deliver a long and efficient performance. Additionally, stamped or cast impellers meet OE pumping requirements.

Product Features:
  • Seal designs use sintered metal or ceramic seats
  • Strong cast-iron or aluminum die-cast housings
  • Bearing housing meets OE load requirements
  • Precision-ground bearings
  • Hubs located for proper belt alignment
  • Includes installation gasket
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Imperial – 16" Electric Fan (Part No.226216)

16" Electric Fan

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$115.99
Electric fan with 16″ diameter. Imperial electric fans are reversible for push or pull operation and are designed with a thin, aerodynamic profile for applications with limited space.

Product Features:
  • Thin-line electric fan
  • 16″ diameter
  • 1,400 CFM
  • Use as a pusher or puller fan
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Mahle – Water Pump Gasket (Part No.G30401159353MAH)

Water Pump Gasket

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$3.44
Water Pump Gasket

Felpro – Engine Coolant Outlet Gasket (Part No.35905)

Engine Coolant Outlet Gasket

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$11.29
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Dorman – Non-Pressurized Coolant Reservoir: Black, Plastic, Original Equipment Replacement (Part No.603-963)

Non-Pressurized Coolant Reservoir: Black, Plastic, Original Equipment Replacement

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$40.99
This replacement engine coolant reservoir is manufactured from quality materials to withstand the stresses of underhood heat and engine vibration. It is engineered and manufactured to match the fit and function of the original part.

Product Features:
  • Direct replacement – this engine coolant reservoir matches the fit and function of the original part
  • Ideal solution – engineered for a seamless installation
  • Durable construction – manufactured from quality materials to withstand underhood heat and vibration
  • Trustworthy design – backed by 100 years of automotive aftermarket experience
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Motorcraft – Thermostat O-Ring (Part No.G4030195862MTR)

Thermostat O-Ring

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$3.89
Thermostat O-Ring

Carquest Premium – Engine Cooling Fan Module (Part No.ACC1313)

Engine Cooling Fan Module

from

$94.99
All modern vehicles consist of several independent operating systems controlled by a main system processor with independent sub-processors. The sub-processors provide class 2 serial information data to the main processor while handling the operation of the system and carry the circuit load to protect the main operating system. When replacing any level processor programming may be needed to enter the unit into the vehicles main operating system.

Product Features:
  • Product constructed to meet all design and operating characteristics as intended by the vehicle manufacturer.
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MAHLE Original – WATER OUTLET GASKET (Part No.B31861)

WATER OUTLET GASKET

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$6.49
MAHLE gaskets provide world class sealing products trusted by OEMs & Technicians around the globe.

Product Features:
  • All MAHLE gaskets meet or exceed the original equipment specifications providing the finest sealing products available
  • MAHLE gaskets utilizes OE equivalent or better materials in all our gaskets
  • MAHLE gaskets is the leader in Domestic, Asian and European applications
  • The contents of MAHLE gaskets are packaged in shrink wrapped tray, giving you the added security of knowing that you have the right parts, prior to opening the package
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Carquest Premium – Radiator Cap Tester Adapter (Part No.12021)

Radiator Cap Tester Adapter

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$17.79
Tester adapter for the MT-300 cooling system pressure testers. Professional grade test equipment to ensure an automotive cooling system is operating at the correct pressure. Made from high quality materials to ensure durability. Designed to test automotive coolant caps.

Product Features:
  • Machined metal construction
  • Works with MT-300 pressure tester
  • Tests coolant caps
  • Professional quality
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NTK – Engine Coolant Temperature Sensor (Part No.EF0159)

Engine Coolant Temperature Sensor

from

$57.99
The Engine Coolant Temperature Sensor determines the exact temperature of the engine coolant by sending an analog signal to the ECM to censure proper air/fuel ratio along with proper operation of the cooling fan(s) and temperature gauge. The Engine Coolant Temperature Sensor may be located on the cylinder head, engine block, thermostat housing or intake manifold. Reasons for replacement include: check engine light illumination, erratic or no temperature gauge operation, erratic or no cooling fan operation, and engine overheating.

Product Features:
  • OE MATCHED: Wires and probe length match OE. Mounting clip(s) included where applicable
  • FASTER RESPONSE TIME: Thermal conductive grease inside brass housing increases sensor response time
  • THE NTK DIFFERENCE: Thread sealant/o-ring installed where applicable. Thermistor placement within the housing matches OE to ensure proper output. Proper thermal conductive grease to provide accurate temperature transfer to the thermistor
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Felpro – Multi-Purpose O-Ring (Part No.35489)

Multi-Purpose O-Ring

from

$9.99
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design
  • Manufactured for the sealing repair environment
  • Validated for fit, form, and function
  • Quality that you can trust
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Carquest Premium – Radiator Cap: 16 PSI (Part No.10333)

Radiator Cap: 16 PSI

from

$21.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Safety lever to vent coolant pressure before removal
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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Felpro – THERMOSTAT GASKET (Part No.35776)

THERMOSTAT GASKET

from

$11.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust

Product Features:
  • Meets or exceeds all original equipment specifications
  • Application specific design to ensure a perfect fit
  • Engineered and manufactured specifically for the repair environment
  • Unsurpassed quality you can trust
  • Validated for fit, form, and function
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Carquest Premium – Radiator Cap: 18 PSI (Part No.10265)

Radiator Cap: 18 PSI

from

$14.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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Carquest Premium – Radiator Cap: 16 PSI (Part No.10233)

Radiator Cap: 16 PSI

from

$13.99
Crafted to meet the exact specifications set by Original Equipment Manufacturers (OEM), these products are engineered for effortless installation and removal. Constructed from premium-grade components, incorporating proper relief and vacuum valves, they ensure optimal performance even in the most demanding automotive cooling systems. Rigorously quality-tested, these components provide exceptional, out-of-the-box performance and superior durability to meet or exceed the highest standards of today’s vehicles.

Product Features:
  • Maintains proper cooling system pressure
  • Easy installation and removal
  • 100% tested to ensure proper pressure and longevity
  • Meets all OEM specifications
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Carquest Premium – Standard Thermostat: 180 Degrees (Part No.14048)

Standard Thermostat: 180 Degrees

from

$14.29
Carquest Premium Thermostats are manufactured with OEM quality materials and safety standards by an OE Supplier. This thermostat will meet and exceed the expectations of the OE thermostat to insure the best product for your cooling system. Stands up to even the most demanding automotive cooling systems. Manufactured with OEM specifications and processes. Copper case and wax compound assures rapid response to temperature changes in the coolant. Offset design, air relief valve, and OEM style seals included where applicable.

Product Features:
  • High grade stainless steel and copper construction
  • Meets or exceeds OEM standards
  • Consistent and precise response to cooling system needs
  • Original equipment design for worry-free direct fit replacement
  • 100% tested and calibrated
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Permatex – Ultra Grey RTV Gasket Maker (9.5 oz.) (Part No.85084)

Ultra Grey RTV Gasket Maker (9.5 oz.)

from

$32.99
OEM specified. Designed specially for high-torque and high vibration applications, like those common in import engines, this premium RTV gasket maker exceeds manufacturers’ performance requirements. Sensor-safe, low odor, and non-corrosive. Maximum vibration resistance, with outstanding resistance to oils, cooling and shop fluids. Temperature range -65ºF to 500ºF (-54 Deg. C to 260 Deg. C) intermittent.

Product Features:
  • Designed specially for high-torque and high vibration applications
  • Maximum vibration resistance with outstanding resistance to oils, cooling and shop fluids
  • OEM specified
  • Low-odor, non-corrosive formula
  • Temperature Range: -65 Deg. F to 500 Deg. F (-54 Deg. C to 260 Deg. C)
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Dorman – Help – Radiator Drain Cocks (Part No.61137)

Radiator Drain Cocks

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$8.79
This radiator drain petcock is a direct replacement for the original equipment plug that may have deteriorated or corroded. Made of quality materials, this petcock is engineered to strict standards for durable use over time.

Product Features:
  • Direct replacement – this radiator drain petcock matches the fit and function of the original equipment part
  • Durable construction – this part is made of quality materials for a long service life
  • Saves money – offers original equipment quality at a competitive price
  • Quality assured – this petcock has undergone virtual testing to assure proper fit and function
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2003 Mazda 6 Engine Cooling Parts

Maybe you’re in the middle of a full rebuild of that 2003 Mazda 6. Maybe you just need a couple of Engine Cooling Parts. Either way, Advance Auto Parts has 69 different Engine Cooling Parts in our inventory ranging from $2.99 to $254.44. That means you can find the exact parts or products you need to keep that 2003 Mazda 6 running smoothly.

Engine Cooling Parts are only as good as their brand. We stock 18 different brands to make sure you have plenty of trusted parts to choose from for your 2003 Mazda 6. Permatex, Carquest Premium, and Imperial are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Cooling Parts for your 2003 Mazda 6, but don’t take our word for it – read our customer ratings and reviews and buy with confidence. Out of the 1,161 reviews in this category, some of the top rated parts include Electric Fan – 12" Diameter with 3.5 stars and Adjustable Thermostatic Fan Control with 4.8 stars.

So if you’re in the market for aftermarket Engine Cooling Parts to keep your 2003 Mazda 6 rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Cooling Parts Brands To Make Your 2003 Mazda 6 Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 2003 Mazda 6 demands trusted brand parts and products to keep it running. Many trusted brands of Engine Cooling Parts make up Advance Auto Parts’ inventory, and all are ready to help make your 6 the best it can be. Be sure to browse some of our top Engine Cooling Parts brands and parts.

Popular Permatex Engine Cooling Parts

We carry Permatex parts in our stock across Water Pump Gaskets and Engine Water Pump Outlet Pipe Gaskets categories, plus more. For a 2003 Mazda 6, our most popular Permatex Engine Cooling Parts include:
Ultra Grey RTV Silicone Gasket Maker, 0.5 OZ
from $6.99
(9)
Ultra Grey RTV Silicone Gasket Maker, 0.5 OZ
Water Pump Gaskets
Ultra Grey RTV Silicone Gasket Maker, 13 OZ
from $26.99
(7)
Ultra Grey RTV Silicone Gasket Maker, 13 OZ
Engine Water Pump Outlet Pipe Gaskets
The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ
from $19.99
(2)
The Right Stuff: 1 Minute Gasket Maker: Grey, 3 OZ
Water Pump Housing Gaskets

FAQs for 2003 Mazda 6 Engine Cooling Parts

What are the most purchased Engine Cooling Parts for the 2003 Mazda 6?

Out of 69 Engine Cooling Parts for the 2003 Mazda 6, the most popular in our inventory are:
Multi-Purpose O-Ring
from $9.99
(110)
Multi-Purpose O-Ring
Engine Coolant Thermostat O-Rings
Engine Water Pump: New, Gasket/Seals Included
from $60.99
(41)
Engine Water Pump: New, Gasket/Seals Included
Water Pumps
Standard Thermostat: 180 Degrees
from $10.99
(31)
Standard Thermostat: 180 Degrees
Thermostats

What are the top-rated 2003 Mazda 6 Engine Cooling Parts?

Top-rated Engine Cooling Parts for your 2003 Mazda 6 based on customer reviews/ratings are:
Electric Fan - 12" Diameter
from $94.99
(38)
Electric Fan – 12" Diameter
“good”
Adjustable Thermostatic Fan Control
from $22.99
(35)
Adjustable Thermostatic Fan Control
“good price, but does not come with knob to set temp”
Electric Fan 16" Diameter
from $92.99
(34)
Electric Fan 16" Diameter
“Awesome”