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Parts for your 2019 Holden Astra-Coolant

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Gates Moulded Heater Hose - 02-0051

Gates Moulded Heater Hose - 02-0051

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$45
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Gates Heater Hose - 02-0565

Gates Heater Hose - 02-0565

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$26
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Gates Moulded Heater Hose - 02-1403

Gates Moulded Heater Hose - 02-1403

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$22
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Gates Radiator Hose - 05-2453

Gates Radiator Hose - 05-2453

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$467
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Gates Radiator Hose - 05-2859

Gates Radiator Hose - 05-2859

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$487
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Gates Radiator Hose - 05-2865

Gates Radiator Hose - 05-2865

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$219
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Gates Moulded Heater Hose - 02-1365

Gates Moulded Heater Hose - 02-1365

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$224
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Explore 4WD & Adventure

Gates Moulded Heater Hose - 02-1357

Gates Moulded Heater Hose - 02-1357

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$183
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Gates Radiator Hose Upper - 05-1597

Gates Radiator Hose Upper - 05-1597

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$173
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Gates Heater Hose - 02-0310

Gates Heater Hose - 02-0310

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$159
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Gates Radiator Hose Lower - 05-0964

Gates Radiator Hose Lower - 05-0964

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$133
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Mackay Radiator Hose Upper - CH2459

Mackay Radiator Hose Upper - CH2459

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$128
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Mackay Radiator Hose Upper - CH1266

Mackay Radiator Hose Upper - CH1266

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$121
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Gates Heater Hose - 02-0704

Gates Heater Hose - 02-0704

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$110
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Gates Radiator Hose Upper - 05-1337

Gates Radiator Hose Upper - 05-1337

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$98
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Gates Radiator Hose Lower - 05-1071

Gates Radiator Hose Lower - 05-1071

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$92
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Gates Radiator Hose Upper - 05-2122

Gates Radiator Hose Upper - 05-2122

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$82
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Gates Radiator Hose Lower - 23172

Gates Radiator Hose Lower - 23172

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$79
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Gates Radiator Hose Lower - 05-1259

Gates Radiator Hose Lower - 05-1259

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$76
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Gates Radiator Hose Upper - 05-1200

Gates Radiator Hose Upper - 05-1200

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$73
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Gates Radiator Hose Upper - 05-1826

Gates Radiator Hose Upper - 05-1826

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$66
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Gates Radiator Hose Upper - 05-0312

Gates Radiator Hose Upper - 05-0312

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$62
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Gates Radiator Hose Upper - 05-0498

Gates Radiator Hose Upper - 05-0498

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$62
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Gates Radiator Hose Lower - 05-0258

Gates Radiator Hose Lower - 05-0258

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$52
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Gates Moulded Heater Hose - 02-1124

Gates Moulded Heater Hose - 02-1124

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$50
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Gates Moulded Heater Hose - 02-0903

Gates Moulded Heater Hose - 02-0903

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$33
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Gates Moulded Heater Hose - 02-1440

Gates Moulded Heater Hose - 02-1440

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$507
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Gates Moulded Heater Hose - 02-1353

Gates Moulded Heater Hose - 02-1353

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$277
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Mackay Heater Hose - CH2379

Mackay Heater Hose - CH2379

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$253
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Mackay Heater Hose - CH2380

Mackay Heater Hose - CH2380

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$259
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Gates Heater Hose - 02-0676

Gates Heater Hose - 02-0676

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$259
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Gates Heater Hose - 02-1266

Gates Heater Hose - 02-1266

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$241
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Gates Moulded Heater Hose - 02-1235

Gates Moulded Heater Hose - 02-1235

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$240
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Gates Heater Hose - 02-0461

Gates Heater Hose - 02-0461

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$230
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Gates Moulded Heater Hose - 02-0251

Gates Moulded Heater Hose - 02-0251

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$232
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Gates Moulded Heater Hose - 02-1456

Gates Moulded Heater Hose - 02-1456

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$223
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Gates Moulded Heater Hose - 02-1135

Gates Moulded Heater Hose - 02-1135

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$219
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Gates Moulded Heater Hose - 02-1264

Gates Moulded Heater Hose - 02-1264

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$212
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Gates Moulded Heater Hose - 02-1313

Gates Moulded Heater Hose - 02-1313

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$205
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Showing 3355 - 3393 of 4186 products

2019 Holden Astra Coolant Maintenance and Replacement

Owning a 2019 Holden Astra comes with its fair share of responsibilities, including ensuring that all its parts are running smoothly. Something that might slip under the radar until it's too late is the coolant system. This vital element of your car's health plays a pivotal role in keeping the engine at the right temperature, preventing it from overheating and ensuring smooth rides no matter the time of year.

The coolant in your Holden Astra isn't there just for days when the going is hot - or when the temperatures plunge. It has the important job of maintaining the engine temperature, aiding in preventing corrosion, and ensuring all elements within the system remain lubricated. Clearly, the coolant is vital, and knowing when and how to replace it can mean the difference between a hiccup-free trip and an unexpected stop at the mechanic.

To ensure your Holden Astra keeps humming along without a hitch, consider these critical maintenance practices for your coolant system:

  • Understanding Coolant Lifespan: The owner's manual for the 2019 Holden Astra will be your best friend in determining how often to replace the coolant. Generally speaking, many modern coolants are designed to last for up to five years or about 100,000 kilometres. Still, checking with the manual or the vehicle's manufacturer for specific guidance on timeframes is a good practice to ensure you're adhering to the specifications.
  • Regular Coolant Checks: It's always good to periodically have a glance at your coolant reservoir. A quick check can prevent long-term issues. You don't want to wait until your engine runs hot to realise the coolant is low. A visible check allows you to ensure that your coolant is at the appropriate level and has the right appearance. It should have a bright, clear colour, with no particles or discolouration. If the coolant appears dark or murky, it could be a sign that a flush is needed.
  • Checking for Leaks: A puddle of coolant on your driveway can spell disaster for an engine if not caught early. Leaks are typically identifiable by a sweet smell or a distinctive coloured fluid around the engine bay or underneath the car. To avoid bigger issues, keep an eye out for any signs of leaks and address them immediately.
  • Flush and Refill: Just like an oil change, a coolant change might be something many owners consider doing themselves. However, for the uninitiated, this process can be a bit tricky and involves flushing out the existing coolant before adding a new batch. It's recommended to get this done by a professional who can ensure proper disposal of the old fluid and correct replacement with the right type and mixture of new coolant.
  • Coolant Testing: Some might think a visual inspection is enough, but getting the coolant tested by a professional every once in a while provides peace of mind. They can test for things like acidity and efficiency, ensuring it's still in optimum condition.
  • Using the Right Coolant: Every car is different, and manufacturers often recommend specific types of coolants, especially with newer models. The 2019 Holden Astra manual will specify which type and mix of coolant you should use. Ensure you're not mixing types, as this can compromise the cooling system.
  • Signs That a Coolant Replacement is Overdue: Some obvious signs indicate when your coolant system may need immediate attention. These include the engine constantly overheating, any visible steam from the engine, a persistently low coolant level (despite top-offs), and the vehicle's heater not working correctly.

Maintaining your 2019 Holden Astra's cooling system isn't just about avoiding problems, it's about ensuring a long, healthy life for your vehicle. Regular attention to the coolant system can save you from more significant issues down the road. When in doubt, always consult with your trusted mechanic to keep things in tip-top shape.

Don't cut corners. The right coolant with regular checks and changes will keep your Astra reliable and efficient. Here's to many more years and kilometres ahead with your trusty Holden Astra!