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Parts for your 2003 Mitsubishi Lancer-Batteries

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Narva LED Work Lamp - 9V-36V - 72358

Narva LED Work Lamp - 9V-36V - 72358

$84
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OEX Standard Blade Fuse Box, 10 Way, 30A - ACX1834
OEX

OEX Standard Blade Fuse Box, 10 Way, 30A - ACX1834

$48
Fitment Notes:
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OEX PVC Tubing ID:6mm - Length 25m - ACX1139
OEX

OEX PVC Tubing ID:6mm - Length 25m - ACX1139

$20
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Narva Reflector Rectangle Red 40 x 90mm - 2 Pce - 84032BL

Narva Reflector Rectangle Red 40 x 90mm - 2 Pce - 84032BL

$20
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Narva Fusible Link  L Type 120A White 1 Pce - 53392BL

Narva Fusible Link L Type 120A White 1 Pce - 53392BL

$16
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Explore 4WD & Adventure

OEX Midi Fuse, 80A Bolt On - Single Pack - ACX6508BL
OEX

OEX Midi Fuse, 80A Bolt On - Single Pack - ACX6508BL

$10
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OEX 400A Red / Black Heavy Duty Bus Bar Box - ACX3160
OEX

OEX 400A Red / Black Heavy Duty Bus Bar Box - ACX3160

$292
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OEX Cable Lug 35-10 2B&S 90 Degree 10Pk - ACX0141
OEX

OEX Cable Lug 35-10 2B&S 90 Degree 10Pk - ACX0141

$69
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MaxiTrac LED Driving Light - 230mm - MTR-230

MaxiTrac LED Driving Light - 230mm - MTR-230

$316
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Narva Voltage Sensitive Relay 12V/140A - 61092BL

Narva Voltage Sensitive Relay 12V/140A - 61092BL

$148
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OEX Interior Light LED 12-24V Rectangular - LIX11108
OEX

OEX Interior Light LED 12-24V Rectangular - LIX11108

$59
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Hella Headlight Adjuster - 15297700

Hella Headlight Adjuster - 15297700

$32
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Redarc 1000W Pure Sine Wave Inverter 12V - R-12-1000RS

Redarc 1000W Pure Sine Wave Inverter 12V - R-12-1000RS

$1,311
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Projecta Alligator Test Clips 25A 2pk - TC202

Projecta Alligator Test Clips 25A 2pk - TC202

$9
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OEX Computer Safe LED Circuit Tester 3-15V - ACX6202
OEX

OEX Computer Safe LED Circuit Tester 3-15V - ACX6202

$40
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Narva Heatshrink Tubing Black 2.4mm 1.2m - 56610

Narva Heatshrink Tubing Black 2.4mm 1.2m - 56610

$10
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OEX Standard Blade Fuse, 3A Violet - Pack of 5 - ACX1600BL
OEX

OEX Standard Blade Fuse, 3A Violet - Pack of 5 - ACX1600BL

$7
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OEX Crimp Terminal Ring Red ID 6.3mm Vinyl 16 Pce - ACX3051BL
OEX

OEX Crimp Terminal Ring Red ID 6.3mm Vinyl 16 Pce - ACX3051BL

$7
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OEX Continuous Duty Solenoid 12V 80A Normally Open - ACX3302
OEX

OEX Continuous Duty Solenoid 12V 80A Normally Open - ACX3302

$97
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OEX  Neutral Start Switch

OEX Neutral Start Switch

$72
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HELLA Licence Plate Light LED 9 to 33V - 2559

HELLA Licence Plate Light LED 9 to 33V - 2559

$72
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OEX Fuse Box Standard Blade 8 Way 30A 1 Pce - ACX1833
OEX

OEX Fuse Box Standard Blade 8 Way 30A 1 Pce - ACX1833

$44
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BRAKE LIGHT SWITCH - TBS1011

BRAKE LIGHT SWITCH - TBS1011

$44
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Narva Black Switch Decal Set - 4WD - 63176BL
Clearance

Narva Black Switch Decal Set - 4WD - 63176BL

$2
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NARVA Side Indicator Lamp Incandescent - 85780

NARVA Side Indicator Lamp Incandescent - 85780

$32
Fitment Notes:
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Narva Weather proof Connector 3 Pole 1 Kit - 57523BL

Narva Weather proof Connector 3 Pole 1 Kit - 57523BL

$21
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Showing 1132 - 1170 of 5980 products

Batteries for the 2003 Mitsubishi Lancer: What You Need to Know

The 2003 Mitsubishi Lancer is a popular choice for drivers looking for a reliable and efficient compact car. Like most petrol-powered vehicles from its era, the Lancer does indeed come fitted with a battery. The battery plays an essential role in the overall functioning of the car, and understanding its purpose, maintenance, and replacement is crucial for anyone looking after a 2003 Lancer.

At its core, the battery in a 2003 Mitsubishi Lancer provides the electrical energy needed to start the engine. When the ignition key turns, the battery sends a jolt of power to the starter motor, which cranks the engine into life. Without a functioning battery, the engine simply won't start. It also powers other electronic components in the car when the engine is off, such as the clock, security systems, and the car's onboard computers.

The battery also supports the alternator once the engine is running. While the alternator generates power to run electrical systems and recharge the battery, the battery acts as a buffer and stabiliser for the car's electrical system. This prevents voltage spikes or drops, protecting sensitive electronics from damage and ensuring a smooth flow of power to all parts of the vehicle.

Under normal driving conditions in a 2003 Mitsubishi Lancer, the battery works quietly behind the scenes. But over time, like all car batteries, the Lancer's battery can fail due to natural wear and tear, environmental conditions, or lack of use. So, regular maintenance and checks are a good idea to keep your Lancer running smoothly. Here's a casual guide to looking after the battery and knowing when it's time for a replacement.

Battery Maintenance Tips for the 2003 Mitsubishi Lancer

Taking care of the battery doesn't have to be complicated. Regular checks during your routine servicing can extend your battery's life significantly. A quick visual check under the bonnet for any corrosion on the battery terminals can prevent electrical connectivity issues. Corrosion can often look like a white, powdery substance around the battery clamps and terminals. Cleaning this with a baking soda solution and a wire brush helps make sure the electrical connections stay solid.

It's also a good idea to check the battery's physical condition regularly. Look out for any cracks, bulges, or leaks from the battery casing, as these are clear signs the battery needs replacing. Maintaining tight and secure battery terminals can help avoid vibrations that might loosen the connections over time.

Keeping the battery charged is important too. If the car is parked for long periods, the battery can slowly drain, especially in cooler weather. Jump-starting is sometimes necessary if the battery is flat, but this should not become a habit. Regularly driving the car for at least 20 minutes helps the alternator keep the battery charged up.

When to Replace the Battery in a 2003 Mitsubishi Lancer

Car batteries typically last between three to five years. Older vehicles like the 2003 Lancer are no exception to this rule. If the battery struggles to start the engine or if the headlamps and dashboard lights appear dimmer than usual when the engine is off, it might be a sign the battery is weakening.

During a regular service, mechanics often test the battery's voltage and charging system. A healthy battery should register around 12.6 volts when the car is off and between 13.7 to 14.7 volts when the engine is running. If the battery voltage falls below these ranges, it could mean the battery is losing its ability to hold charge properly and might need replacing soon.

It's also worth noting that weather plays a big role in battery health. Australia's diverse climate, from hot summers to chilly winters, can affect battery performance. High temperatures can cause battery fluid to evaporate, damaging the internal structure, while cold snaps can make the battery less capable of producing enough current to start the vehicle.

Choosing the Right Replacement Battery

If replacement is necessary, choosing the right battery for the 2003 Mitsubishi Lancer is important. Factors include battery size, terminal placement, cold cranking amps (CCA), and reserve capacity. Most batteries suitable for the Lancer will have specifications that meet or slightly exceed the original manufacturer's recommendations. A good battery supplier or mechanic can advise on the best fit.

It's also a smart idea to consider batteries with longer warranties or those designed to handle the tough Australian conditions. Maintenance-free batteries are popular as they don't require topping up with distilled water. However, regardless of which type you pick, regular inspection and occasional maintenance checks are still advised.

In short, the battery in the 2003 Mitsubishi Lancer is a key component that deserves some attention. It's the silent hero that makes sure the car starts every time and powers all the electrical functions. A bit of regular care and timely replacement ensures the Lancer keeps on the road without surprise battery dramas.