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Parts for your 2003 Holden Commodore-Batteries

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Projecta Battery Terminal Shims 2pk - BTS-2

Projecta Battery Terminal Shims 2pk - BTS-2

$9
Fitment Notes:
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OEX Battery Terminal Small Post Pair - ACX0017BL
OEX

OEX Battery Terminal Small Post Pair - ACX0017BL

$26
Fitment Notes:
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OEX Cable Lug Solder or Crimp Ref# 35-10 2PK  - ACX0111FEBL
OEX

OEX Cable Lug Solder or Crimp Ref# 35-10 2PK - ACX0111FEBL

$15
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Repco Battery Terminal Cleaning Brush - RST193

Repco Battery Terminal Cleaning Brush - RST193

$12
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OEX Battery Terminal Bolts & Nuts 10 Pce - ACX0201
OEX

OEX Battery Terminal Bolts & Nuts 10 Pce - ACX0201

$22
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OEX Cable Lug Solder or Crimp REF# 10-6 10Pk - ACX0100FE
OEX

OEX Cable Lug Solder or Crimp REF# 10-6 10Pk - ACX0100FE

$22
Fitment Notes:
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Explore 4WD & Adventure

CRC Battery Terminal Protector 300g - 5098
CRC

CRC Battery Terminal Protector 300g - 5098

$38
Fitment Notes:
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OEX Cable Lug Solder or Crimp Ref# 16-8 2PK  - ACX0104FEBL
OEX

OEX Cable Lug Solder or Crimp Ref# 16-8 2PK - ACX0104FEBL

$9
Fitment Notes:
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Projecta Battery Isolator Terminal Negative 1Pk - BT001

Projecta Battery Isolator Terminal Negative 1Pk - BT001

$23
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OEX Battery Terminal Heavy Duty Wing Nut Pair - ACX0025BL
OEX

OEX Battery Terminal Heavy Duty Wing Nut Pair - ACX0025BL

$47
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Projecta Battery Post & Terminal Cleaner - BPT12

Projecta Battery Post & Terminal Cleaner - BPT12

$14
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Projecta Brass Battery Terminal Stud Positive - BT10-P1

Projecta Brass Battery Terminal Stud Positive - BT10-P1

$19
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Raptor Battery Terminal Positive - GBT3P

Raptor Battery Terminal Positive - GBT3P

$23
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Projecta Battery Terminal - BT31-1

Projecta Battery Terminal - BT31-1

$12
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Projecta Battery Terminal Saddle Universal 2Pk - BT11-2

Projecta Battery Terminal Saddle Universal 2Pk - BT11-2

$23
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OEX Battery Terminal Insulator End Entry Red - ACX3134
OEX

OEX Battery Terminal Insulator End Entry Red - ACX3134

$17
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OEX Battery Terminal Wing Nut Positive - ACX0006PBL
OEX

OEX Battery Terminal Wing Nut Positive - ACX0006PBL

$21
Fitment Notes:
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OEX Battery Terminal End Entry - ACX0014BL
OEX

OEX Battery Terminal End Entry - ACX0014BL

$21
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Icon Battery Terminal Insulating Cover Black - BTCB

Icon Battery Terminal Insulating Cover Black - BTCB

$4
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Icon Battery Terminal Insulating Cover Red - BTCR

Icon Battery Terminal Insulating Cover Red - BTCR

$4
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Showing 1 - 39 of 268 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.