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Parts for your 2003 Holden Commodore-Coolant

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Mackay Radiator Top Hose - CH2107

Mackay Radiator Top Hose - CH2107

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$146
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Mackay Lower Radiator Hose - CH2409

Mackay Lower Radiator Hose - CH2409

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$146
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Mackay Radiator Top Hose - CH1559

Mackay Radiator Top Hose - CH1559

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$146
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Mackay Radiator Top Hose - CH1070

Mackay Radiator Top Hose - CH1070

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$146
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Mackay Radiator Hose Upper - CH2850

Mackay Radiator Hose Upper - CH2850

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$144
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Gates Radiator Hose - 05-2249

Gates Radiator Hose - 05-2249

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$144
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Gates Radiator Hose Lower - 05-2342

Gates Radiator Hose Lower - 05-2342

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$144
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Gates Radiator Hose Lower - 05-1460

Gates Radiator Hose Lower - 05-1460

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$143
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Gates Radiator Hose Lower - 05-2300

Gates Radiator Hose Lower - 05-2300

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$142
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Gates Radiator Hose - 05-2733

Gates Radiator Hose - 05-2733

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$141
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Mackay Radiator Hose Upper - CH2381

Mackay Radiator Hose Upper - CH2381

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$143
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Mackay Lower Radiator Hose - CH2412

Mackay Lower Radiator Hose - CH2412

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$139
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Gates Radiator Hose Lower - 05-2241

Gates Radiator Hose Lower - 05-2241

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$140
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Gates Radiator Hose - 05-2832

Gates Radiator Hose - 05-2832

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$140
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Gates Moulded Heater Hose - 02-1406

Gates Moulded Heater Hose - 02-1406

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$140
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Gates Radiator Hose Upper - 05-0981

Gates Radiator Hose Upper - 05-0981

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$137
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Mackay Lower Radiator Hose - CH2240

Mackay Lower Radiator Hose - CH2240

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$137
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Mackay Lower Radiator Hose - CH2386

Mackay Lower Radiator Hose - CH2386

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$134
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Gates Radiator Hose Lower - 05-2004

Gates Radiator Hose Lower - 05-2004

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$134
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Gates Radiator Hose Lower - 05-2335

Gates Radiator Hose Lower - 05-2335

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$135
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Gates Radiator Hose - 05-4003

Gates Radiator Hose - 05-4003

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$135
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Gates Moulded Heater Hose - 02-1025

Gates Moulded Heater Hose - 02-1025

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$132
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Gates Radiator Hose Lower - 05-1987

Gates Radiator Hose Lower - 05-1987

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$132
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Gates Moulded Heater Hose - 02-1451

Gates Moulded Heater Hose - 02-1451

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$128
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Mackay Lower Radiator Hose - CH250

Mackay Lower Radiator Hose - CH250

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$127
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Gates Radiator Hose Lower - 05-1883

Gates Radiator Hose Lower - 05-1883

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$125
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Gates Moulded Heater Hose - 02-1029

Gates Moulded Heater Hose - 02-1029

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$125
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Gates Radiator Hose Lower - 05-1884

Gates Radiator Hose Lower - 05-1884

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$127
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Gates Moulded Heater Hose - 02-1314

Gates Moulded Heater Hose - 02-1314

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$124
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Gates Radiator Hose Lower - 05-2133

Gates Radiator Hose Lower - 05-2133

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$122
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Gates Moulded Heater Hose - 02-1454

Gates Moulded Heater Hose - 02-1454

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$122
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Gates Radiator Hose Lower - 05-2264

Gates Radiator Hose Lower - 05-2264

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$122
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Mackay Radiator Top Hose - CH2209

Mackay Radiator Top Hose - CH2209

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$120
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Mackay Radiator Hose Upper - CH2597

Mackay Radiator Hose Upper - CH2597

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$120
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Gates Radiator Hose Lower - 05-1657

Gates Radiator Hose Lower - 05-1657

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$120
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Gates Radiator Hose Lower - 05-1025

Gates Radiator Hose Lower - 05-1025

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$119
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Gates Radiator Hose Upper - 05-2069

Gates Radiator Hose Upper - 05-2069

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$119
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Mackay Lower Radiator Hose - CH1320

Mackay Lower Radiator Hose - CH1320

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$117
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Gates Radiator Hose Lower - 05-1449

Gates Radiator Hose Lower - 05-1449

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$116
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Showing 3745 - 3783 of 4186 products

Keeping Your 2003 Holden Commodore Cool: A Guide to Coolant Maintenance

The 2003 Holden Commodore is a vehicle that benefits significantly from regular maintenance, and one crucial aspect you cannot overlook is the coolant. Using the right coolant and maintaining it properly is essential for the longevity and optimal performance of your Commodore. Let's dive into understanding the significance of coolant in your vehicle and how to keep it in good shape.

Coolant, often known as antifreeze, is vital because it regulates the engine's temperature, preventing it from overheating. This is critical for ensuring your engine runs smoothly and efficiently, protecting it against damage caused by excessive heat. Not only does it maintain temperature but it also prevents corrosion inside the engine, ensuring that your Commodore remains in top-notch condition.

The 2003 Holden Commodore typically uses a specific type of coolant, usually green or red in colour. It's not just any liquid you can pour into the reservoir. It's formulated with additives that help prevent rust, scaling, and other forms of corrosion that can plague your car's cooling system.

  1. Check Your Coolant Level Regularly: It's not just about topping up, you need to ensure the coolant is at the right level. An ideal time to check is when getting your engine oil checked or before a long trip. Remember, you don't have to open the radiator when it's hot, use the marks on the side of the coolant reservoir.
  2. Stick to the Recommended Coolant: Your Commodore's manual will specify what type of coolant to use. Don't deviate as different cars require different formulations. Mixing different coolants can lead to a chemical reaction or less effective cooling.
  3. Flush the System: The cooling system should be flushed periodically to remove old fluid, debris, and contaminants that can hinder cooling efficiency. This involves draining the old coolant and replacing it with new fluid. For the Holden Commodore, doing this every two years or 40,000 km is generally advised.
  4. Inspect for Leaks: Keep an eye out for signs of leaking around the radiator, hoses, or the engine as a whole. Even a small leak can be a sign of damage or wear that could lead to bigger problems down the road.
  5. Monitor Engine Temperature: If the dashboard gauge shows rising temperatures, it might indicate a coolant issue. This could range from low fluid levels to a blockage within the system.

Now, getting hands-on with your coolant might not be everyone's cup of tea. If you're not confident or if it's been a while since you last checked, getting a professional to take a look during regular servicing would be a wise choice. They'll not only check the levels and concentrations but also ensure there are no leaks, and the system is running correctly.

It's a good idea to also consider weather conditions affecting the coolant's performance. While antifreeze has properties to withstand cold temperatures, extreme conditions can sometimes require additional checks. Ensuring the concentration meets the ambient temperatures where you are driving is essential.

Coolant is crucial not just for performance but also for preserving the longevity of the engine. An overheated engine can suffer severe damage, leading to costly repairs. Staying on top of coolant maintenance is a proactive measure to avoid such hassles.

Delving into some FAQs can also be helpful:

  • What happens if I mix coolant types? Using the wrong type can cause chemical reactions that reduce efficiency or lead to blockages.
  • How do I know if the radiator is faulty? Look for leaks, noise, or a rise in operating temperature during normal use.
  • Can I use water instead? While water can be a temporary fix, it's not sufficient for long-term use due to its lack of anti-corrosion properties and lower boiling point.

So, keep your 2003 Holden Commodore running smoothly by ensuring your coolant system is well maintained. Regular checks and timely replacement will keep those potential hiccups at bay and allow you to enjoy the ride for years to come.