7 Auto Spare Parts You Should Keep in Your Garage


┬áMaintaining your vehicle involves more than just regular oil changes and tire rotations. Being prepared for unexpected breakdowns or emergencies requires having the right spare parts on hand. In this comprehensive guide, we’ll delve deeper into seven essential auto spare parts every garage should stock, along with detailed information on their functions, signs of wear, replacement procedures, and frequently asked questions.

Engine Oil:

  • Function: Engine oil lubricates moving parts within the engine, reduces friction, and helps dissipate heat.
  • Signs of Wear: Discolored or gritty oil, low oil level, engine knocking or ticking sounds.
  • Replacement Procedure: Park the vehicle on level ground, drain the old oil, remove and replace the oil filter, refill with the appropriate grade of new oil.

Oil Filter:

  • Function: The oil filter removes contaminants, such as dirt and metal particles, from the engine oil, preventing damage to engine components.
  • Signs of Wear: Clogged or dirty filter, reduced engine performance, oil pressure warning light.
  • Replacement Procedure: Locate the oil filter, drain excess oil, remove the old filter, lubricate the gasket of the new filter, install the new filter, and refill with fresh oil.

Air Filter:

  • Function: The air filter prevents dirt, dust, and debris from entering the engine, ensuring clean airflow for combustion.
  • Signs of Wear: Dirty or clogged filter, reduced engine power, increased fuel consumption. Replacement
  • Procedure: Locate the air filter housing, remove the old filter, clean the housing, install the new filter, and secure the housing.

Spark Plugs:

  • Function: Spark plugs ignite the air-fuel mixture in the engine cylinders, initiating combustion.
  • Signs of Wear: Misfiring engine, rough idling, difficulty starting the engine.
  • Replacement Procedure: Disconnect the spark plug wires, remove the old spark plugs using a spark plug socket, gap the new spark plugs to the manufacturer’s specifications, install the new plugs, and reconnect the wires.

Brake Pads:

  • Function: Brake pads create friction against the brake rotors, slowing down or stopping the vehicle. Signs of Wear: Squealing or grinding noises when braking, reduced braking efficiency, vibration or pulsation in the brake pedal.
  • Replacement Procedure: Lift the vehicle, remove the wheels, compress the brake caliper pistons, remove the old brake pads, install the new pads, and reassemble the brake components.

Headlight and Taillight Bulbs:

  • Function: Headlight and taillight bulbs provide visibility and safety during nighttime driving.
  • Signs of Wear: Burned-out bulbs, dim or flickering lights, cracked or damaged bulbs. Replacement
  • Procedure: Access the bulb housing, remove the old bulb by twisting or pulling it out, insert the new bulb, and secure it in place.


  • Function: Fuses protect electrical circuits from overloading, preventing damage to electrical components.
  • Signs of Wear: Blown fuse, malfunctioning electrical components, dead circuits. Replacement
  • Procedure: Locate the fuse box, identify the blown fuse, remove the old fuse, insert a new fuse of the same amperage, and ensure it is properly seated.


Q: How often should I replace these spare parts?
Replacement intervals vary depending on factors such as driving conditions, vehicle age, and manufacturer recommendations. Refer to your vehicle’s owner’s manual for specific guidelines.

Q: Can I use aftermarket spare parts, or should I stick to OEM?
Aftermarket parts are often more affordable than OEM (Original Equipment Manufacturer) parts but may vary in quality. It’s essential to research reputable brands and ensure compatibility with your vehicle.

Q: What should I do with used or expired spare parts?
Dispose of used or expired spare parts responsibly by recycling or disposing of them according to local regulations. Some automotive retailers offer recycling programs for used oil and filters.


By keeping these seven essential auto spare parts in your garage and understanding their functions and replacement procedures, you can be better prepared for unexpected breakdowns or maintenance tasks. Regular inspections and proactive maintenance ensure the longevity and reliability of your vehicle, enhancing safety and peace of mind on the road.

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