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Automotive Parts Machining & Production

The automotive industry demands components that are precise, durable, and consistent at scale. From early-stage prototyping to stable production runs, machined parts play a critical role in ensuring performance, safety, and reliability across modern vehicles. Tight tolerances, material stability, and repeatable quality are essential as automotive designs continue to evolve toward higher efficiency and smarter systems.

At PlasticHubs, we support automotive projects with a strong focus on plastic CNC machining, complemented by metal parts when required. Our capabilities are well-suited for functional prototypes, testing components, and end-use parts used in interior systems, electronic housings, under-the-hood applications, and custom assemblies.

The Materials We Work With

We work with a wide range of plastics and metals for automotive parts production, ensuring stable performance, reliable tolerances, and smooth finishes across both prototype and production stages.

We can also machine metal materials when automotive parts require higher structural strength, improved heat dissipation, enhanced durability, or grounding functionality.

Automotive Parts We Manufacture

We produce a wide range of precision-machined plastic components used across automotive systems, from functional testing to end-use applications.

  • Sensor Housings: CNC-machined plastic enclosures that protect automotive sensors while ensuring dimensional accuracy and environmental resistance.
  • Connector Bodies: Precision plastic connectors designed for stable electrical connections and reliable fit within wiring systems.
  • Control Module Enclosures: Lightweight plastic housings used to protect electronic control units from vibration, heat, and dust.
  • Interior Trim Components: Custom-machined plastic parts for dashboards, panels, and interior assemblies with consistent surface quality.
  • Airflow and Duct Components: Plastic ducts and airflow guides machined for HVAC and cooling systems, ensuring proper fit and airflow control.
  • Under-the-Hood Plastic Brackets: Durable structural plastic brackets designed to withstand heat and mechanical stress in engine compartments.
  • Prototype Functional Parts: CNC-machined plastic prototypes used for form, fit, and functional testing during vehicle development stages.
  • Battery System Components: Insulating and lightweight plastic parts used in battery housings and support structures for electric vehicles.
  • Mounting Bases and Spacers: Precision spacers and mounting components that ensure correct alignment and assembly stability.
  • Custom Plastic Mechanical Parts: Application-specific gears, covers, and supports machined from engineering plastics to meet unique design requirements.

If you need other automotive parts machined, we can customize components based on drawings, samples, or functional requirements.

Capabilities for Machined Automotive Parts

Plastichubs is one of the most favored manufacturers of CNC machining parts in China. We believe the following capabilities that we have acquired over the years have made it easier for us.

  • CNC Milling Service: Our CNC milling service is widely used for automotive plastic parts that require complex geometries, flat surfaces, and precise features. It is ideal for housings, brackets, and structural components where accuracy and consistency are critical.
  • CNC Turning Service: CNC turning allows us to produce round or cylindrical plastic automotive parts with excellent dimensional control. This process is well suited for bushings, spacers, sleeves, and other rotational components used in vehicle assemblies.
  • 5-Axis CNC Machining Service: 5-axis CNC machining enables the production of highly complex automotive parts with tight tolerances and fewer setup steps. It is especially effective for intricate plastic components that demand high precision and smooth surface transitions.
  • Vacuum Casting Service: Vacuum casting is used to create high-quality plastic parts with excellent surface finish and material consistency. This process is commonly applied for functional prototypes and low-volume automotive parts that closely replicate injection-molded components.
  • Rapid Prototyping: We support rapid prototyping to help automotive teams quickly validate designs, fit, and function. CNC-machined plastic prototypes allow faster testing and design iteration before moving into full production.
  • High-Volume Production: Our capabilities scale seamlessly from prototypes to high-volume automotive production. Stable processes and quality control systems ensure repeatable results for large batch manufacturing.
  • Other CNC Services: Beyond these core services, we offer a wide range of additional CNC machining solutions tailored to automotive applications. This flexibility allows us to adapt to unique part designs, materials, and production requirements with confidence.

Why Machined Parts Matter in Automotive Industry?

At PlasticHubs, we help you meet these demands with flexible manufacturing solutions, from prototypes to high-volume production, supporting your project every step of the way.

  • Ensures high precision and reliability
  • Speeds up prototyping and validation
  • Supports lightweight plastic solutions
  • Enables consistent production quality

Why Choose PlasticHubs ?

You can easily move your project forward with our support—send your CAD files for an instant quote, discuss specific requirements with our engineering team, and start your next automotive product build with confidence.

  • Experience with engineering plastics
  • Fast prototyping cycles
  • Repeatable production quality
  • Support from early design to mass production

To know more about our automotive parts machining services, please feel free to contact us today. In case of any queries, please reach out to our team at cs@plastichubs.com. Our experts will be happy to assist you.

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