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Parts for your 2003 Holden Commodore-Batteries

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OEX Mega Fuse, 250A Bolt On - Single Pack - ACX6527BL
OEX

OEX Mega Fuse, 250A Bolt On - Single Pack - ACX6527BL

$16
Fitment Notes:
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LED Autolamps Reflector Amber 70mm*30mm - 7030A

LED Autolamps Reflector Amber 70mm*30mm - 7030A

$14
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Narva Micro Blade Fuse 15A Cyan 5 Pce - 52515BL

Narva Micro Blade Fuse 15A Cyan 5 Pce - 52515BL

$13
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Narva P Clip 6.4mm ID Plastic 5Pc - 56582BL

Narva P Clip 6.4mm ID Plastic 5Pc - 56582BL

$9
Fitment Notes:
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Explore 4WD & Adventure

Narva Mini Blade Fuse 30A Green 5 Pce - 52730BL

Narva Mini Blade Fuse 30A Green 5 Pce - 52730BL

$8
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Narva Semi Sealed 165 X 100mm H1 Globe 2Pce - 72022

Narva Semi Sealed 165 X 100mm H1 Globe 2Pce - 72022

$367
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Hella 12v LED Pilot Lamp Red - 2721

Hella 12v LED Pilot Lamp Red - 2721

$20
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Narva Accessories Socket - 81034BL

Narva Accessories Socket - 81034BL

$22
Fitment Notes:
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Narva 7in EX2-R Driving Light RGB Enabled - 72173

Narva 7in EX2-R Driving Light RGB Enabled - 72173

$509
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HELLA Semi Sealed Beam Round 178mm Globe Style H4

HELLA Semi Sealed Beam Round 178mm Globe Style H4

$160
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OEX Standard Blade Fuse Box, 8 Way, 20A - ACX1830
OEX

OEX Standard Blade Fuse Box, 8 Way, 20A - ACX1830

$53
Fitment Notes:
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OEX Cable Gland Nylon 20mm 10 Pc - ACX1342
OEX

OEX Cable Gland Nylon 20mm 10 Pc - ACX1342

$62
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Narva 12v/24v Accessories Socket - 81030BL

Narva 12v/24v Accessories Socket - 81030BL

$33
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OEX Push Button Switch On/Off SPST Pre-Wired - ACX1962BL
OEX

OEX Push Button Switch On/Off SPST Pre-Wired - ACX1962BL

$23
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Narva Convoluted Split Tubing ID: 10mm Length 3m - 56710-3

Narva Convoluted Split Tubing ID: 10mm Length 3m - 56710-3

$17
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OEX Pilot Light LED Blue 12v Blade Terminals - ACX2429BL
OEX

OEX Pilot Light LED Blue 12v Blade Terminals - ACX2429BL

$15
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Narva Mini Blade Fuse 7.5A Brown 5 Pce - 52707BL

Narva Mini Blade Fuse 7.5A Brown 5 Pce - 52707BL

$8
Fitment Notes:
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Narva Mini Blade Fuse 2A Grey 5 Pce - 52702BL

Narva Mini Blade Fuse 2A Grey 5 Pce - 52702BL

$8
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Narva Cable Lug 95mm2 10mm Stud Flared End - 57146

Narva Cable Lug 95mm2 10mm Stud Flared End - 57146

$25
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OEX Stud Terminal Insulator End Entry Red - ACX3128
OEX

OEX Stud Terminal Insulator End Entry Red - ACX3128

$16
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Showing 1405 - 1443 of 6079 products

Maintaining and Replacing the Battery of Your 2003 Holden Commodore

The 2003 Holden Commodore, known for its reliability and robust performance, is equipped with a standard automotive battery, critical for starting the engine and powering the electrical systems. Checking and maintaining this component is an essential part of vehicle care that ensures smooth operation and prevents inconvenient breakdowns. Here, we explore the key steps in battery maintenance and replacement for your Holden Commodore.

A healthy car battery is vital, as it provides the necessary juice the starter requires to crank the engine and keeps all electrical components, like lights and the stereo, operational when the engine is off. Over time, batteries lose their capacity and efficiency, especially under adverse weather conditions or due to frequent short trips. Thankfully, a few straightforward steps help extend the life of your battery and maintain your car in top shape.

  1. Regular Inspection

    To start, regular inspection of your battery ensures that it's in good working condition. Check for signs of corrosion, swelling, or leaks around the terminals. Corrosion appears as a white, ashy substance around the battery posts and clamps. Cleaning this off with a battery cleaner or a paste of baking soda and water can help maintain a good connection.

  2. Checking Connections

    Ensure the battery terminals are tight and free from grime. Loose connections can lead to intermittent power loss and might cause starting problems. Use a wrench to carefully tighten them if you notice any wiggle room.

  3. Load Testing

    If you suspect your battery is losing its charge quickly, a load test could be in order. Many automotive shops offer this service, or you could pick up a load tester for a reasonable price and do it yourself. This test checks the battery's ability to hold voltage while under load, which can indicate its health and efficiency.

Should your battery show signs of failure or test poorly, it may be time for replacement. Here's a guideline for replacing the battery in your 2003 Holden Commodore:

  1. Select the Right Battery

    Your Commodore requires a specific type of battery, usually, an automotive battery with the correct cold cranking amps (CCA) for optimal performance. Consult your vehicle manual to identify the correct size and capacity, ensuring compatibility with your vehicle's requirements.

  2. Safety First

    When replacing the battery, safety is paramount. Ensure the engine is turned off, the parking brake is engaged, and remove any metal jewellery. Open the bonnet and identify the battery's location. Most Holden Commodores have it situated near the engine bay.

  3. Remove the Old Battery

    First, disconnect the negative terminal followed by the positive terminal. This mitigates the risk of short-circuiting. Use a wrench to loosen the terminals. After disconnecting, remove any hold-down clamps or brackets securing the battery. Carefully lift the old battery out, keeping it upright to avoid any acid spills.

  4. Install the New Battery

    Position the new battery within the tray, ensuring it's firmly seated. Secure it using the hold-down clamps then connect the positive terminal first followed by the negative terminal. Tighten the clamps with your wrench.

After installation, start your vehicle to ensure the new battery is functioning correctly. Dispose of your old battery responsibly by returning it to a recycling centre or an automotive store that offers disposal services. Batteries are recyclable, and returning them ensures components do not end up in landfills.

Regular battery maintenance and timely replacement significantly enhance the overall reliability of your Holden Commodore. Maintain good electrical health by incorporating these steps into your maintenance routine, and enjoy your trustworthy ride for many years. With just a bit of attention, you'll keep your Commodore purring along with all cylinders firing smoothly.