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Parts for your 2003 Mazda 6-Coolant

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OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

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$67
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Goss Fuel Emiss Hose 6MMx15M PerM - FH60L150M

Goss Fuel Emiss Hose 6MMx15M PerM - FH60L150M

$19
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Gates Radiator Hose Upper - 05-0920

Gates Radiator Hose Upper - 05-0920

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$66
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Gates Radiator Hose Lower - 05-0919

Gates Radiator Hose Lower - 05-0919

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$45
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Goss Transmission Cooler Hose 8mm x 1m - TCH80L10

Goss Transmission Cooler Hose 8mm x 1m - TCH80L10

$22
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Gates Radiator Hose Upper - 05-1896

Gates Radiator Hose Upper - 05-1896

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$94
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Explore 4WD & Adventure

Gates Radiator Hose Lower - 05-1895

Gates Radiator Hose Lower - 05-1895

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$72
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Dayco Coolant Expansion Tank

Dayco Coolant Expansion Tank

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$124
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Dayco Coolant Expansion Tank - DET0003

Dayco Coolant Expansion Tank - DET0003

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$119
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OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

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$181
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Dayco Coolant Expansion Tank

Dayco Coolant Expansion Tank

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$160
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OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

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$83
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Dayco Coolant Expansion Tank - DET0002

Dayco Coolant Expansion Tank - DET0002

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$135
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Dayco Coolant Overflow Bottle - DOT0007

Dayco Coolant Overflow Bottle - DOT0007

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$56
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Dayco Coolant Expansion Tank - DET0017

Dayco Coolant Expansion Tank - DET0017

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$112
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Goss Coolant Temperature Sensor - CS878

Goss Coolant Temperature Sensor - CS878

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$122
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OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

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$153
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Mackay Coolant Bypass Hose - CH2789

Mackay Coolant Bypass Hose - CH2789

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$48
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Dayco Coolant Expansion Tank - DET0044

Dayco Coolant Expansion Tank - DET0044

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$113
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OEX Coolant Expansion Tank
OEX

OEX Coolant Expansion Tank

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$88
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OEX Coolant Overflow Bottle
OEX

OEX Coolant Overflow Bottle

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$36
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Dayco Coolant Overflow Bottle - DOT0005

Dayco Coolant Overflow Bottle - DOT0005

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$126
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Gates VulcoFlex Coolant Hose - 25477

Gates VulcoFlex Coolant Hose - 25477

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$77
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Dayco Coolant Expansion Tank - DET0010

Dayco Coolant Expansion Tank - DET0010

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$105
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Showing 40 - 78 of 4011 products

Maintaining Your 2003 Mazda 6 Coolant System

Maintaining the coolant system in your 2003 Mazda 6 is essential for the longevity and efficient performance of your vehicle. The coolant doesn't just keep your engine from overheating, it also prevents rust and scaling that can compromise the integrity of the engine components. Let's explore some key insights about maintaining your vehicle's coolant system.

To begin with, it's crucial to know when it's time to check and replace the coolant in your Mazda 6. Typically, the coolant should be inspected at least once every year. However, it's usually recommended to undertake a complete coolant flush and replacement every 4 years or 100,000 kilometres, whichever comes first.

Before you begin the process, make sure the engine is cool. Opening the radiator cap on a hot engine can lead to serious injuries from steam or hot liquid. Once the engine has cooled down, check the coolant level in the radiator and the overflow tank. If the levels are low, it's advisable to top them up with the recommended type of coolant, ensuring the right mixture of antifreeze and water is used. This is typically a 50/50 mix.

When replacing the coolant, you may choose either to do it yourself or have it done by a professional mechanic. The process involves draining the old coolant from the system, flushing the radiator with fresh water to remove any lingering debris or old coolant, and then refilling the system with new, high-quality coolant. This process helps to eliminate any rust or accumulated debris that might impact the cooling efficiency.

  • Always use the type of coolant as recommended in the vehicle's service manual for optimal performance.
  • Regularly check hoses and fittings for leaks or signs of wear and tear.
  • After replacing the coolant, run the engine for a few minutes with the heater on high to help expel any air bubbles trapped in the system.
  • Dispose of the old coolant responsibly as it is toxic and harmful to the environment.

Remember, maintaining the coolant system isn't solely about preventing the engine from overheating. It's about safeguarding all the engine's vital components and ensuring smooth and reliable vehicle operation. Regular maintenance of your 2003 Mazda 6's coolant system will provide peace of mind whether you're running to the shops or on a long road trip. Keeping these factors in mind will not just help in prolonging the vehicle's life but also ensure peak performance under various operating conditions.