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Parts for your 2004 Holden Commodore-Radiator

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Nulon Petrol System Extreme Clean 500ml - PEC
30%OFF

Nulon Petrol System Extreme Clean 500ml - PEC

$35
$50
Fitment Notes:
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Nulon Radiator Stop Leak 300mL - R50
30%OFF

Nulon Radiator Stop Leak 300mL - R50

$14.70
$21
Fitment Notes:
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Nulon Engine Oil Stop Leak 300ml - ESL
30%OFF

Nulon Engine Oil Stop Leak 300ml - ESL

$27.30
$39
Fitment Notes:
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Explore 4WD & Adventure

Nulon Diesel Injector Cleaner 300mL - DIC
30%OFF

Nulon Diesel Injector Cleaner 300mL - DIC

$23.80
$34
Fitment Notes:
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Nulon Octane Boost & Clean 300ml - OBC
30%OFF

Nulon Octane Boost & Clean 300ml - OBC

$28.70
$41
Fitment Notes:
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Penrite Radiator Flush Additive 375mL - ADRF375

Penrite Radiator Flush Additive 375mL - ADRF375

$27
Fitment Notes:
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Penrite Shift Eze 125ml - SHIFTEZE000125

Penrite Shift Eze 125ml - SHIFTEZE000125

$29
Fitment Notes:
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Repco Cooling System Flush 300ml

Repco Cooling System Flush 300ml

$16
Fitment Notes:
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K-SEAL Ultimate Head Gasket Repair - K3501

K-SEAL Ultimate Head Gasket Repair - K3501

$102
Fitment Notes:
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Lucas Heavy Duty Oil Stabilizer 946ml - 10001

Lucas Heavy Duty Oil Stabilizer 946ml - 10001

$40
Fitment Notes:
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Penrite Radiator Stop Leak 375mL - ADRSL375

Penrite Radiator Stop Leak 375mL - ADRSL375

$30
Fitment Notes:
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Penrite Lifter and Tappet Fix 375ml - ADLTF375

Penrite Lifter and Tappet Fix 375ml - ADLTF375

$31
Fitment Notes:
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Rislone Rear Main Seal Repair 500ml - 44240

Rislone Rear Main Seal Repair 500ml - 44240

$38
Fitment Notes:
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Rislone Radiator Stop Leak 325mL - 41196

Rislone Radiator Stop Leak 325mL - 41196

$20
Fitment Notes:
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One Shot Radiator Stop Leak - 20050

One Shot Radiator Stop Leak - 20050

$9
Fitment Notes:
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Nulon Gearbox Treatment 125ml - G70
Clearance

Nulon Gearbox Treatment 125ml - G70

$6
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Rislone Aluminium Radiator Stop Leak 479g - 41186

Rislone Aluminium Radiator Stop Leak 479g - 41186

$32
Fitment Notes:
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Holts Wondarweld Cooling System Repair 250ml - HREP0062A

Holts Wondarweld Cooling System Repair 250ml - HREP0062A

$23
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Nulon Radiator Flush & Clean 300mL - R40
Clearance

Nulon Radiator Flush & Clean 300mL - R40

$18
Fitment Notes:
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Sealwell Coolant System Conditioner 2 Pack - T51012

Sealwell Coolant System Conditioner 2 Pack - T51012

$27
Fitment Notes:
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Nulon Engine Stop Smoke 500ml - SS
Clearance

Nulon Engine Stop Smoke 500ml - SS

$10
Fitment Notes:
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Penrite Engine Boost+ 500ml - PSPEB0005
Clearance

Penrite Engine Boost+ 500ml - PSPEB0005

$10
Fitment Notes:
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Rislone Head Gasket Fix 680g - 41111

Rislone Head Gasket Fix 680g - 41111

$101
Fitment Notes:
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Showing 1 - 39 of 81 products

Radiator Replacement and Maintenance for Your 2004 Holden Commodore

The radiator is an essential component of your 2004 Holden Commodore's cooling system, and ensuring it's in top condition is crucial for the reliable operation of your vehicle. The radiator helps maintain the engine's temperature, preventing overheating, which can lead to more serious engine problems. If you're considering servicing or replacing your radiator, here are some tips that might come in handy.

Firstly, consider the signs that might indicate your radiator needs attention. If you notice consistent overheating, unusual coolant leaks beneath your car, or sludge-like coolant, it might be time to check your radiator. Keeping an eye on these issues is the first step toward effective maintenance.

  • Inspection: Regularly check your radiator for any visible damage or leaks. Look at the external fins and make sure they're not bent. Also, evaluate the hoses connected to the radiator for any wear and tear or cracking.
  • Coolant Levels: Maintain appropriate coolant levels as recommended by the manufacturer. A drop in coolant levels can indicate a leak or other issues. Make sure you use the correct type of coolant for your Commodore, refer to your owner's manual for specific recommendations.
  • Flushing: Flushing your radiator is an essential maintenance task that should be performed every couple of years or as advised by your vehicle's maintenance schedule. This process involves removing old coolant, cleaning the system, and refilling it with a fresh coolant mix to avoid rust and other deposits.

If you're considering replacing your radiator, here's a straightforward process you might want to follow. Always make sure your engine is cool before starting any work.

  1. Drain the existing coolant by opening the radiator drain plug. Make sure you catch the coolant in a pan, remember to dispose of it according to local regulations.
  2. Disconnect the hoses carefully and remove any mounting bolts holding the radiator in place. Take note of the layout for easy reinstallation.
  3. Install the new radiator, ensuring it's correctly seated and secure. Reattach hoses and any necessary clips or wiring.
  4. Refill the system with fresh coolant and check all connections for leaks. It's a good idea to start the engine and let it reach operating temperature, then recheck your work.

Regular maintenance and timely repairs are the keys to extending the life of your 2004 Holden Commodore. Keeping the radiator in good shape not only ensures efficient performance but also protects the engine from potential damage due to overheating. If you're ever in doubt, consult a professional mechanic to get expert advice and service.