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Plastic Molding Services for Automotive & Electric Vehicles Applications

Automotive, EV, and charging system components require exceptional precision, consistency, and reliability. Hi-Rel produces tight-tolerance molded parts designed to perform in demanding automotive and electrification environments where durability, thermal resistance, chemical resistance, electrical insulation, and dimensional stability are critical to long-term performance.

With experience in advanced engineering resins and a focus on quality-driven manufacturing, we help automotive OEMs and Tier 1 suppliers achieve reliable performance while meeting critical design and production requirements.

Below are some automotive & EV industry applications of molded plastic components:

Injection Molding

  • EV charging connector housings, cable management components, and protective electrical enclosures used in Level 2 and DC fast charging systems
  • Interior and under-hood automotive components including sensor housings, fluid reservoirs, clips, brackets, and electronic control module enclosures

Blow Molding

  • Air ducts, fluid reservoirs, and washer fluid containers used in automotive thermal management and vehicle support systems
  • Protective charging cable storage containers and lightweight battery cooling air channels used in EV and charging infrastructure applications

Liquid Silicone Rubber (LSR) Molding

  • High-temperature seals and gaskets used in EV battery systems, charging connectors, and power electronics assemblies
  • Flexible insulating components, cable seals, and environmental protection membranes used in automotive electronic and charging applications

Thermoforming / Vacuum Forming

  • Interior trim panels, protective covers, and lightweight vehicle enclosure components used in automotive and EV platforms
  • Charging station exterior panels, equipment covers, and protective housings used in outdoor EV charging infrastructure systems

Rotational Molding

  • Durable charging station pedestals, protective equipment enclosures, and outdoor utility housings used in EV charging installations
  • Large fluid containment tanks and heavy-duty storage containers used in automotive manufacturing and service operations

Other Industries

Durability Under Demanding Conditions

Components engineered to withstand heat, vibration, and mechanical stress in automotive environments.

High-Performance Materials

Experience with resins designed for strength, impact resistance, and long-term reliability.

Scalable Production

Efficient manufacturing processes to support high-volume automotive production demands.

Consistent Quality Output

Precision molding ensures uniform, repeatable parts across every production run.