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Parts for your 2003 Mazda 6-Coolant

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OEX Coolant Overflow Bottle
OEX

OEX Coolant Overflow Bottle

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$55
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Goss Coolant Expansion Tank - CB187

Goss Coolant Expansion Tank - CB187

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$53
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OEX Coolant Overflow Bottle
OEX

OEX Coolant Overflow Bottle

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$48
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Gates Radiator Hose Upper - 05-0029

Gates Radiator Hose Upper - 05-0029

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$54
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Gates Radiator Hose Upper - 05-0351

Gates Radiator Hose Upper - 05-0351

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$30
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Gates Radiator Hose Lower - 05-2095

Gates Radiator Hose Lower - 05-2095

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$98
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Gates Radiator Hose Lower - 05-2141

Gates Radiator Hose Lower - 05-2141

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$84
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Explore 4WD & Adventure

Gates Radiator Hose Lower - 05-0714

Gates Radiator Hose Lower - 05-0714

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$49
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Gates Moulded Heater Hose - 02-1243

Gates Moulded Heater Hose - 02-1243

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$430
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Gates Moulded Heater Hose - 02-1253

Gates Moulded Heater Hose - 02-1253

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$101
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Gates Moulded Heater Hose - 02-1532

Gates Moulded Heater Hose - 02-1532

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$61
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Gates Heater Hose - 02-0575

Gates Heater Hose - 02-0575

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$60
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Gates Radiator Hose - 05-3014

Gates Radiator Hose - 05-3014

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$327
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Gates Radiator Hose - 05-2838

Gates Radiator Hose - 05-2838

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$246
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Mackay Radiator Hose Upper - CH3420

Mackay Radiator Hose Upper - CH3420

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$166
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Gates Radiator Hose Upper - 05-0632

Gates Radiator Hose Upper - 05-0632

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$77
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Gates Radiator Hose Upper - 05-0864

Gates Radiator Hose Upper - 05-0864

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$48
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Gates Moulded Heater Hose - 02-1283

Gates Moulded Heater Hose - 02-1283

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$338
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Gates Heater Hose - 02-0678

Gates Heater Hose - 02-0678

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$262
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Gates Moulded Heater Hose - 02-1337

Gates Moulded Heater Hose - 02-1337

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$166
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Gates Moulded Heater Hose - 02-1457

Gates Moulded Heater Hose - 02-1457

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$162
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Gates Heater Hose - 05-1583

Gates Heater Hose - 05-1583

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$153
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Gates Moulded Heater Hose - 02-0391

Gates Moulded Heater Hose - 02-0391

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$151
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Gates Heater Hose - 02-0673

Gates Heater Hose - 02-0673

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$131
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Gates Moulded Heater Hose - 02-1298

Gates Moulded Heater Hose - 02-1298

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$123
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Gates Moulded Heater Hose - 02-1354

Gates Moulded Heater Hose - 02-1354

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$113
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Gates Moulded Heater Hose - 02-1156

Gates Moulded Heater Hose - 02-1156

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$103
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Gates Moulded Heater Hose - 02-1073

Gates Moulded Heater Hose - 02-1073

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$88
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Gates Heater Hose - 02-0477

Gates Heater Hose - 02-0477

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$85
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Gates Heater Hose - 02-1072

Gates Heater Hose - 02-1072

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$85
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Gates Moulded Heater Hose - 02-1523

Gates Moulded Heater Hose - 02-1523

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$75
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Gates Heater Hose - 02-0847

Gates Heater Hose - 02-0847

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$73
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Gates Moulded Heater Hose - 02-0548

Gates Moulded Heater Hose - 02-0548

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$70
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Gates Heater Hose - 02-0787

Gates Heater Hose - 02-0787

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$67
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Gates Moulded Heater Hose - 02-1534

Gates Moulded Heater Hose - 02-1534

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$62
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Gates Moulded Heater Hose - 02-1133

Gates Moulded Heater Hose - 02-1133

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$59
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Gates Moulded Heater Hose - 02-1147

Gates Moulded Heater Hose - 02-1147

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$54
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Gates Heater Hose - 02-0717

Gates Heater Hose - 02-0717

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$52
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Gates Moulded Heater Hose - 02-1174

Gates Moulded Heater Hose - 02-1174

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$46
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Showing 3316 - 3354 of 4186 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.