Skip to content Skip to navigation menu

Your Selected Vehicle

Brands

Show More Show Less

Price

Parts for your 2003 Holden Commodore-Batteries

Sort by
OEX Mega Fuse, 250A Bolt On - Pack of 5 - ACX6527
OEX

OEX Mega Fuse, 250A Bolt On - Pack of 5 - ACX6527

$54
Fitment Notes:
See More
Narva Micro 2 Blade Fuse 30A 25 Pce - 52430

Narva Micro 2 Blade Fuse 30A 25 Pce - 52430

$51
Fitment Notes:
See More

Explore 4WD & Adventure

Interior Light LED Pendant 12V - 87644

Interior Light LED Pendant 12V - 87644

$50
Fitment Notes:
See More
Stedi Type X Pro Plus Modern Bezel - ST-14-PRP-002

Stedi Type X Pro Plus Modern Bezel - ST-14-PRP-002

$49
Fitment Notes:
See More
Narva 24V Relay 4 Pin 50A - 68020

Narva 24V Relay 4 Pin 50A - 68020

$46
Fitment Notes:
See More
OEX 600V 50A Modular Bus Block 6 Row - ACX3220
OEX

OEX 600V 50A Modular Bus Block 6 Row - ACX3220

$45
Fitment Notes:
See More
Narva Mini Blade Fuse 10A Red 50 Pce - 52710

Narva Mini Blade Fuse 10A Red 50 Pce - 52710

$46
Fitment Notes:
See More
Narva P Clip 19mm ID Plastic 100 Pc - 56587

Narva P Clip 19mm ID Plastic 100 Pc - 56587

$44
Fitment Notes:
See More
OEX Crimp Terminal Ring Red ID 8.4mm Vinyl 100 Pce - ACX3052
OEX

OEX Crimp Terminal Ring Red ID 8.4mm Vinyl 100 Pce - ACX3052

$41
Fitment Notes:
See More
HELLA Naviled Pro Hor Deck Mount Adaptor - 8HG241287802

HELLA Naviled Pro Hor Deck Mount Adaptor - 8HG241287802

$42
Fitment Notes:
See More
Hella 12/24V LED Front Marker Lamp Amber - 2056BULK

Hella 12/24V LED Front Marker Lamp Amber - 2056BULK

$42
Fitment Notes:
See More
OEX Standard Blade Fuse, 15A Blue - Pack of 100 - ACX1604
OEX

OEX Standard Blade Fuse, 15A Blue - Pack of 100 - ACX1604

$42
Fitment Notes:
See More
Narva Heavy-Duty Surface Mount Accessory Socket - 81025

Narva Heavy-Duty Surface Mount Accessory Socket - 81025

$42
Fitment Notes:
See More
Narva Cable Gland 1/2Inch - 57852

Narva Cable Gland 1/2Inch - 57852

$36
Fitment Notes:
See More
LENS FOR 2BE003184061 RIGHT

LENS FOR 2BE003184061 RIGHT

$37
Fitment Notes:
See More
VDO Angled Gauge Spacer To Suit 52mm - 230.037
VDO

VDO Angled Gauge Spacer To Suit 52mm - 230.037

$36
Fitment Notes:
See More
Side Indicator Lamp LED 12V - 91900

Side Indicator Lamp LED 12V - 91900

$36
Fitment Notes:
See More
Narva Reflector Round Clear 65mm - 2 Pce - 84000BL

Narva Reflector Round Clear 65mm - 2 Pce - 84000BL

$34
Fitment Notes:
See More
Showing 3316 - 3354 of 6078 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.