Commonly replaced car parts and when to replace them

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Replacing car parts that fail due to normal wear and tear or a lack of proper maintenance is part of routine vehicle maintenance. Discover which are the most frequently replaced vehicle parts.


When your vehicle’s battery begins to deteriorate, performance suffers, and the risk of failure rises. If this happens while you are away from home, your car will most likely require a jump start. The most common causes of battery failure are acid stratification and low charge. However, poor driving habits such as leaving the lights and air conditioner on when the car isn’t started and taking too short trips to allow the battery to charge fully can also cause issues. A good rule of thumb is to replace the battery every four to five years and to inspect it for dirty terminals, damaged cables, and physical defects regularly.

External lights

Brake lights, turn signals, taillights, and other small external lights are more likely to fail than headlights. Because you can’t see when this happens while inside the car, you should check the lights frequently. Ask a friend to help you test each of these car parts.

Brake rotors

Rotors keep your vehicle’s braking system from overheating while in use. However, friction from the brake pads and callipers causes the rotors to lose efficiency over time. If they are too worn down, you risk a potentially dangerous brake failure. When braking, pay attention to squealing and grinding noises and any “pulsing” sensations. Any of these could indicate damage, necessitating an immediate inspection of each of these car parts.

Headlight components

Working headlights are critical for night-time safety and in inclement weather. If your lights aren’t bright enough, the resulting low visibility puts you at risk of an accident.

Spark plugs

Problems with starting your vehicle, slow acceleration, rough idling, and misfiring or surging of the engine may indicate that it’s time for new spark plugs.


If you continue to have problems with your windshield wipers, flashers, heater, and other vehicle instruments, you may have a blown fuse.


Contact AHK Motor Spares for details

To ensure your car’s safe and dependable operation, it’s critical to inspect these car parts regularly, looking for signs of wear that may indicate a replacement is needed. Diligent maintenance keeps your vehicle running smoothly and gives you the best driving experience possible.

AHK Motor Spares offers the highest quality replacement car parts to solve our clients’ challenges. We have a network of branches across Gauteng and the Western Cape, which makes finding the right car parts when you need them easily. So get in touch with our team today for everything you need.

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