What are auto parts? Things to note when buying auto parts

Auto parts are individual components manufactured to replace original parts that are damaged or to upgrade performance, features, and aesthetics. Choosing genuine auto parts helps your vehicle operate optimally and keeps users safe. This article explains in detail what auto parts are and key criteria to identify genuine components.

What are auto parts?

Auto parts are standalone components produced for automobiles. Their primary purpose is to replace or upgrade parts that are broken or worn and no longer function properly.

Auto parts come in diverse structures and sizes to match each vehicle line. Using the right parts for your vehicle brings several benefits:

• Optimal performance: Precisely engineered components help the vehicle run smoothly, powerfully, and fuel-efficiently.
• Longer service life: High-quality, correct-fit parts keep systems durable, reduce failures, and extend the vehicle’s lifespan.
• Safety assurance: Using parts compatible with your model ensures safe operation and prevents unexpected breakdowns.

What types of auto parts are there?

Auto parts can be categorized in many ways, but the most common is by installation location:

Chassis parts

Chassis parts support vehicle load balance, keep the car stable on the road, improve handling, and enhance ride comfort—helping you drive safely and efficiently. They include the suspension, steering, brakes, drivetrain, frame, and stability & control systems (ESC).

How chassis parts work

The suspension—springs and dampers—absorbs road impacts to maintain stability across terrains and deliver a better driving experience. The steering system controls direction, providing flexibility and precision. In short, chassis parts are critical for safety, performance, and stability; proper care helps protect safety and reduce long-term maintenance costs.

Body parts

Body components play a vital role in mitigating impacts and protecting occupants. They are carefully designed so vehicle systems operate in optimal conditions. Typical parts include the frame, hood, mirrors, grille, front and rear bumpers, and more.

Benefits of using genuine, model-specific body parts:

• Impact protection: Engineered materials and structures protect the engine, frame, and internal systems from collision damage, keeping the driver and passengers safe.
• System efficiency: Aerodynamic body shapes support smooth movement, fuel savings, and noise reduction. Tight body seals shield internal systems from dust, water, and sunlight for optimal performance.
• Appearance and comfort: Attractive, premium exterior design elevates the car’s look. Careful construction improves sound insulation for a quiet, comfortable cabin.

Electrical parts

Automotive electrical parts include bulbs, connectors, wiring, sensors, alternators, batteries, starters, and electronic control systems such as ABS, ignition, engine control, and more.

They are crucial for the safe operation of the vehicle’s electrical systems. When issues arise, inspection, maintenance, and replacement are essential to keep the car stable and safe on the road.

Electrical parts can be grouped into three main categories:

Starting and charging system

• Battery: Powers the starter and electrical devices when the engine is off.
• Alternator: Charges the battery while the engine runs.
• Starter motor: Uses battery power to start the engine.

Ignition system

• Ignition coil: Generates the spark for combustion so the engine can run.
• Spark plug: Delivers the spark into the combustion chamber.
• High-tension leads: Carry spark energy from the coil to the plugs.

Electronic control systems

• Engine Control Unit (ECU): Manages engine operation for efficiency and fuel economy.
• Anti-lock Braking System (ABS): Improves braking safety on slippery roads.
• Electronic Brakeforce Distribution (EBD): Allocates braking force among wheels for balance and stability.
• Electronic Stability Control (ESC): Helps maintain balance in corners or on slippery surfaces.

Notes when buying auto parts

Identify the exact parts for your vehicle

Determine the correct replacement part using two basic factors:

VIN (Vehicle Identification Number): A unique identifier for each car that provides precise information about components—from the engine to accompanying parts. Manufacturers typically place the VIN on the driver-side door frame, the firewall, and under the driver-side windshield.

Part code: Most components—oil filters, oil pumps, radiator fans, radiators, etc.—come with a unique code you can use to find the correct part for your vehicle.

Choose a reputable parts supplier

Check customer reviews to verify product and service quality. Also review return policies if the purchased part does not match the original agreement. Clear receipts help protect your rights if issues arise.

Thaco Parts – Vietnam’s leading OEM auto parts manufacturer

As a strategic partner to major automakers, Thaco Parts – OEM auto components (a subsidiary of THACO INDUSTRIES) manufactures and supplies OEM parts (glass, leaf springs, air-conditioning systems, wiring harnesses, condensers, interior and exterior components) for Kia, Mazda, Peugeot, Toyota, Hyundai, Isuzu, and more, and exports to the U.S., Australia, Russia, Canada, South Korea, Japan, and other markets.

Thaco Parts products comply with IATF 16949:2016 and ISO 9001:2015 quality management systems and ISO 14001:2015 environmental management systems. With a strong grasp of global component manufacturing requirements and procedures, Thaco Parts builds localization roadmaps aligned with automakers’ standards.

This article covered “What are auto parts? Key notes when buying auto parts.” If you’re looking for a quality OEM auto-parts manufacturer at competitive prices, Thaco Parts is an excellent choice. For prompt advice and support, please contact us via hotline: 0348 620 063