Hi-Rel Plastics delivers precision plastic injection molding for automotive parts, components, and assemblies. From engineering to production, we manufacture high-quality plastic automotive components with the dimensional accuracy, consistency, and compliance your program demands.
Hi-Rel Plastics & Molding Corp. provides plastic injection molding services for automotive parts, components, and assemblies requiring precision, durability, and consistent quality. From part evaluation and prototyping to tooling, molding, assembly, and production, we support every stage of the manufacturing process.
With more than 40 years of experience, we partner with manufacturers across the United States to produce complex plastic automotive components in ISO-certified environments for highly regulated and performance-critical industries.
Hi-Rel Plastics & Molding Corp. provides plastic injection molding services for automotive parts and components for manufacturers across the United States. We produce precision plastic parts for automotive applications where dimensional accuracy, material performance, and production consistency are essential.
Our injection molding process supports complex geometries, tight tolerances, and demanding material requirements for automotive applications. Backed by ISO 13485, ISO 9001:2015, and AS9100D certifications, we combine advanced molding expertise with rigorous quality systems to help ensure reliable, repeatable production.
From prototype through full-scale manufacturing, Hi-Rel partners with customers nationwide to deliver dependable plastic injection molding solutions for automotive and other critical industries.
Manufactured to meet the strict quality and performance requirements of automotive applications.
Produces repeatable, high-quality plastic automotive components with tight tolerances and consistent material performance.
Expert engineering from part evaluation and design through tooling, production, and assembly.
Supporting low and high volume automotive manufacturing with expert engineering from concept through delivery.
Whether you’re developing a new automotive component or looking for a reliable plastic injection molding partner for your automotive program, our team is here to help. Below are answers to common questions about our automotive plastic injection molding capabilities and manufacturing process.
We provide injection molding, insert molding, overmolding, assembly, and secondary operations for automotive components, housings, connectors, and other precision plastic parts.
Hi-Rel Plastics is certified to ISO 13485, ISO 9001:2015, and AS9100D, supporting automotive, aerospace, medical, defense, and other quality-critical manufacturing programs.
We produce a wide range of plastic automotive components including housings, brackets, connectors, covers, and other precision parts. Our engineering team can evaluate your design and recommend the best approach.
Yes. Our engineering team and quality systems are designed to consistently produce precision plastic parts that meet demanding dimensional and performance requirements for automotive applications.
We process a wide range of engineering-grade thermoplastics suitable for automotive applications. Our team can help recommend the right material based on your part's performance, temperature, and regulatory requirements.
Yes. We support projects from part evaluation and prototyping through mold design, tooling, production, and assembly to help streamline development.
Production timelines vary based on part complexity, tooling, materials, and order volume. Our team will provide a detailed schedule during the quoting process.
To begin, contact our team with your project details, including CAD files or drawings, material requirements, estimated quantities, and application information. We'll review your project and prepare a detailed quote.
Minimum order quantities depend on the manufacturing process, material selection, and project requirements. Contact us to discuss the best production plan for your automotive application.
Yes. In addition to injection molding, Hi-Rel offers assembly and value-added secondary services to help simplify your supply chain and reduce production steps.
