Skip to content Skip to navigation menu

Your Selected Vehicle

Brands

Show More Show Less

Price

Parts for your 2003 Holden Commodore-Coolant

Sort by
Gates Radiator Hose - 05-2507

Gates Radiator Hose - 05-2507

Confirm Vehicle
$180
Fitment Notes:
See More
Gates Radiator Hose Lower - 05-1981

Gates Radiator Hose Lower - 05-1981

Confirm Vehicle
$175
Fitment Notes:
See More
Gates Radiator Hose - 05-3422

Gates Radiator Hose - 05-3422

Confirm Vehicle
$175
Fitment Notes:
See More
Gates Radiator Hose - 05-2418

Gates Radiator Hose - 05-2418

Confirm Vehicle
$172
Fitment Notes:
See More
Gates Moulded Heater Hose - 02-3488

Gates Moulded Heater Hose - 02-3488

Confirm Vehicle
$172
Fitment Notes:
See More
Gates Radiator Hose Lower - 05-0828

Gates Radiator Hose Lower - 05-0828

Confirm Vehicle
$173
Fitment Notes:
See More
Gates Radiator Hose - 05-3038

Gates Radiator Hose - 05-3038

Confirm Vehicle
$174
Fitment Notes:
See More

Explore 4WD & Adventure

Gates Moulded Heater Hose - 02-1441

Gates Moulded Heater Hose - 02-1441

Confirm Vehicle
$171
Fitment Notes:
See More
Gates Radiator Hose Lower - 05-1947

Gates Radiator Hose Lower - 05-1947

Confirm Vehicle
$170
Fitment Notes:
See More
Gates Radiator Hose Upper - 05-2010

Gates Radiator Hose Upper - 05-2010

Confirm Vehicle
$166
Fitment Notes:
See More
Gates Moulded Heater Hose - 02-1360

Gates Moulded Heater Hose - 02-1360

Confirm Vehicle
$164
Fitment Notes:
See More
Gates Moulded Heater Hose - 02-1358

Gates Moulded Heater Hose - 02-1358

Confirm Vehicle
$164
Fitment Notes:
See More
Gates Radiator Hose Lower - 05-2009

Gates Radiator Hose Lower - 05-2009

Confirm Vehicle
$164
Fitment Notes:
See More
Gates Radiator Hose Upper - 05-2023

Gates Radiator Hose Upper - 05-2023

Confirm Vehicle
$165
Fitment Notes:
See More
Gates Radiator Hose - 05-2847

Gates Radiator Hose - 05-2847

Confirm Vehicle
$166
Fitment Notes:
See More
Gates Radiator Hose - 05-2385

Gates Radiator Hose - 05-2385

Confirm Vehicle
$160
Fitment Notes:
See More
Mackay Radiator Hose - CH1594

Mackay Radiator Hose - CH1594

Confirm Vehicle
$160
Fitment Notes:
See More
Mackay Lower Radiator Hose - CH122

Mackay Lower Radiator Hose - CH122

Confirm Vehicle
$160
Fitment Notes:
See More
Gates Radiator Hose Lower - 05-0348

Gates Radiator Hose Lower - 05-0348

Confirm Vehicle
$163
Fitment Notes:
See More
Gates Radiator Hose - 05-5511

Gates Radiator Hose - 05-5511

Confirm Vehicle
$159
Fitment Notes:
See More
Gates Radiator Hose Upper - 05-1707

Gates Radiator Hose Upper - 05-1707

Confirm Vehicle
$159
Fitment Notes:
See More
Mackay Radiator Hose Upper - CH2718

Mackay Radiator Hose Upper - CH2718

Confirm Vehicle
$159
Fitment Notes:
See More
Gates Radiator Hose Upper - 05-1674

Gates Radiator Hose Upper - 05-1674

Confirm Vehicle
$158
Fitment Notes:
See More
Gates Radiator Hose - 05-3827

Gates Radiator Hose - 05-3827

Confirm Vehicle
$157
Fitment Notes:
See More
Gates Radiator Hose - 05-5400

Gates Radiator Hose - 05-5400

Confirm Vehicle
$159
Fitment Notes:
See More
Gates Radiator Hose - 05-2422

Gates Radiator Hose - 05-2422

Confirm Vehicle
$158
Fitment Notes:
See More
Gates Moulded Heater Hose - 02-1479

Gates Moulded Heater Hose - 02-1479

Confirm Vehicle
$157
Fitment Notes:
See More
Mackay Radiator Top Hose - CH2359

Mackay Radiator Top Hose - CH2359

Confirm Vehicle
$153
Fitment Notes:
See More
Gates Radiator Hose Lower - 05-2305

Gates Radiator Hose Lower - 05-2305

Confirm Vehicle
$153
Fitment Notes:
See More
Gates Radiator Hose Lower - 05-1744

Gates Radiator Hose Lower - 05-1744

Confirm Vehicle
$155
Fitment Notes:
See More
Mackay Radiator Top Hose - CH245

Mackay Radiator Top Hose - CH245

Confirm Vehicle
$153
Fitment Notes:
See More
Mackay Lower Radiator Hose - CH1061

Mackay Lower Radiator Hose - CH1061

Confirm Vehicle
$156
Fitment Notes:
See More
Gates Radiator Hose Lower - 05-0955

Gates Radiator Hose Lower - 05-0955

Confirm Vehicle
$152
Fitment Notes:
See More
Gates Radiator Hose - 05-5290

Gates Radiator Hose - 05-5290

Confirm Vehicle
$152
Fitment Notes:
See More
Mackay Lower Radiator Hose - CH3939

Mackay Lower Radiator Hose - CH3939

Confirm Vehicle
$148
Fitment Notes:
See More
Gates Radiator Hose - 05-3390

Gates Radiator Hose - 05-3390

Confirm Vehicle
$148
Fitment Notes:
See More
Mackay Radiator Hose Upper - CH2365

Mackay Radiator Hose Upper - CH2365

Confirm Vehicle
$148
Fitment Notes:
See More
Mackay Radiator Top Hose - CH2592

Mackay Radiator Top Hose - CH2592

Confirm Vehicle
$146
Fitment Notes:
See More
Mackay Lower Radiator Hose - CH2822

Mackay Lower Radiator Hose - CH2822

Confirm Vehicle
$146
Fitment Notes:
See More
Showing 3706 - 3744 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.