Ever wondered which plastic car parts manufacturer truly delivers on quality, reliability, and value? With so many options out there, picking the right supplier can feel like a high-stakes guessing game—one costly mistake could affect your entire production line. Imagine the peace of mind that comes from partnering with a tried-and-tested manufacturer known for excellence. Top factories don’t just supply parts—they power your business’s success. Ready to discover the industry’s best? Let’s dive in!

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Top 24 Producers of Plastic Auto Components – Inven

Product Details:
Manufacture of molded and extruded plastic and rubber auto parts, high-precision technical components, injection molds, eco-friendly and lightweight automotive parts, and integrated services such as assembly and finishing.

Technical Parameters:
– Annual production capabilities of 1 to 5 million pieces (Plasteel Tunisie).
– Use of biodegradable and recycled thermoplastics with multicomponent injection
– Production of interior, exterior, fuel system, emission control, washer nozzles
– Employment of high-pressure die casting and plastic injection molding methods.

Application Scenarios:
– Automotive sector: OEM and Tier 1 suppliers, vehicle interiors and exteriors,
– Electronics and industrial manufacturing (technical parts and components).

Pros:
– Lightweight, durable, and innovative products tailored for automotive industry
– Use of advanced manufacturing technologies and focus on quality assurance and
– Capabilities for customization and large-scale production.
– Commitment to sustainability through eco-friendly materials and 5R/circular

Cons:
– Limited information on technical parameters and specific performance data.
– Dependence on evolving automotive industry trends and technologies.

Plastic Automotive Parts & Components | Auto Parts Manufacturer | Bolta US

Product Details:
Bolta US manufactures and supplies high-quality plastic components and solutions for automotive OEMs and Tier 1 manufacturers, focusing on both interior and exterior car parts. Their services include design, development, and assembly of plastic automotive parts.

Technical Parameters:
– Plastic parts with superior durability and remarkable strength
– Manufactured to meet high industry and certification standards
– Comprehensive start-to-finish manufacturing processes, including research and
– Adaptable, flexible assembly and delivery processes to maximize supply chain

Application Scenarios:
– Interior automotive plastic components for enhanced aesthetics and efficiency
– Exterior automotive parts requiring durability and strength
– OEM and Tier 1 automotive manufacturing supply chain integration
– Automotive projects focused on improving fuel efficiency through lightweight

Pros:
– High-quality, durable plastic parts tailored for automotive applications
– Certified manufacturing processes meeting industry standards
– Flexible and efficient delivery and assembly to support client supply chains
– Proven track record and reputation for reliability and on-time delivery

Cons:
– No detailed technical specifications (e.g., material grades, tolerances)
– Limited information on range or diversity of specific part types offered

Automotive plastic parts manufacturers – NOVARES

Product Details:
Novares designs and manufactures complex plastic components and systems for the automotive industry, offering a range of solutions including e-powertrain, powertrain, air vents, interior components, opening systems, and exterior paint & surfaces. They focus on innovative systems that enhance car interaction with passengers and the environment, and support greener mobility.

Application Scenarios:
– Automotive manufacturing requiring advanced plastic parts
– Integration of e-powertrain and powertrain components in vehicles
– Use of air vents, interior trims, and exterior decorative surfaces in cars
– Development of opening systems and handles for automobiles

Pros:
– Wide product portfolio tailored for vehicle manufacturers
– Strong commitment to innovation and greener mobility solutions
– Global presence ensuring proximity to customers
– Experience in designing complex components and systems

Cons:
– Lack of detailed technical specifications on the main page
– Potential industry dependence on automotive sector trends

Plastic Automotive Parts and Components – Sonoco Products Company

Product Details:
Sonoco manufactures custom plastic automotive parts and components, including housings, covers, reservoirs, and containers using a variety of molding technologies to meet the needs of automotive OEMs and Tier 1 suppliers.

Technical Parameters:
– Custom injection molding and blow molding capabilities
– Supports a range of engineering-grade thermoplastics
– Designed for precision tolerances and complex geometries
– Compatible with various automotive industry specifications

Application Scenarios:
– Engine compartment components (e.g., covers, ducts, reservoirs)
– Interior vehicle parts (e.g., structural and decorative trim)
– Underbody and exterior automotive parts
– Custom containers and housings for fluid management

Pros:
– Custom-engineered solutions to meet specific OEM requirements
– Lightweight plastic parts contribute to improved fuel efficiency
– Expertise in high-volume manufacturing with repeatable quality
– Ability to design complex and durable components

Cons:
– May not be suitable for applications requiring high-temperature metal components
– Longer lead time possible for custom tooling and prototyping

Auto parts manufacturer – Knauf Industries Automotive

Product Details:
Knauf Automotive produces automotive components from Expanded Polypropylene (EPP) and Expanded Polystyrene (EPS) plastics, manufactured to strict tolerances and high industry standards.

Technical Parameters:
– Manufacturing uses Expanded Polypropylene (EPP) and Expanded Polystyrene (EPS)
– Components adhere to strict tolerances
– Production meets highest automotive industry standards

Application Scenarios:
– Automotive component solutions
– Application in vehicle parts requiring lightweight plastic materials

Pros:
– High manufacturing precision and quality
– Compliance with strict automotive industry requirements
– Over thirty years of expertise in plastics processing

Custom Car Parts Manufacturer | Plastic Injection Molding

Product Details:
Custom manufacturer specializing in plastic injection molding for automotive parts, offering services including mold design, rapid prototyping, CNC machining, overmolding, insert molding, rubber and silicone molding, and low-volume production. Materials include plastics, metals, and composites, with capabilities in both tooling and fabrication.

Technical Parameters:
– Plastic injection molding with options for overmolding and insert molding
– Support for low-volume injection molding and prototyping (including rapid
– CNC machining and die casting capabilities
– Manufacturing with plastics, metals, and composites

Application Scenarios:
– Production of custom plastic automotive parts and components
– Prototype development and small batch manufacturing for automotive industry
– Manufacturing metal and composite parts for automotive and related sectors
– Assembly and packaging for automotive parts delivery

Pros:
– Comprehensive range of manufacturing services from prototyping to high-volume
– Ability to work with a broad spectrum of materials (plastics, metals,
– Flexible manufacturing for both low and high volume orders
– Capability for fast prototyping and custom design support

Cons:
– Limited technical specification details available directly on the page
– Potential complexity in project coordination due to broad service offering

Automotive Plastic Manufacturing Specialists – Universal Plastic Mold

Product Details:
Custom injection molded automotive plastic parts, including large interior and exterior trim components, under-hood applications, and automotive component prototyping. UPM offers complete solutions including manufacturing, assembly, and packaging, tailored for the automotive industry.

Technical Parameters:
– ISO 9001:2015 certification and ISO/TS 16949 compliance
– Expertise in JIT (Just-in-Time) and Kanban fulfillment systems
– Lean manufacturing practices for cost-effective production
– Meticulous attention to tolerance and shrinkage factors to ensure precise part

Application Scenarios:
– Production of large interior and exterior automotive trim components
– Manufacturing of under-hood plastic automotive parts
– Creation of custom automotive prototypes
– Full-scale assembly and packaging services for automotive parts

Pros:
– Over 60 years of experience with automotive OEMs
– High quality and consistency ensured by industry certifications
– Comprehensive start-to-finish support including assembly and logistics
– Cost-effective and scalable manufacturing solutions

Cons:
– No specific mention of handling extremely complex or niche automotive components
– No detailed information on minimum order quantities or lead times

Top 10 Plastic car parts manufacturers in the World 2025

Product Details:
High-quality plastic solutions for automotive parts, including injection molded components for interior and exterior car applications.

Technical Parameters:
– Superior durability
– Remarkable strength
– Lightweight and durable materials
– Various compatible materials like polystyrene (PS), polypropylene (PP), ABS, PC

Application Scenarios:
– Interior car parts and cosmetic trims
– Exterior car components such as bumpers and mudguards
– Electrical wiring systems and under-the-hood parts
– Production of SUVs, trucks, and automotive manufacturing

Pros:
– Cost-effective solutions that cut production costs
– Enhances design aesthetics and quality
– Increases fuel efficiency and improves corrosion resistance
– Customizable, high-precision, and super-durable parts

Cons:
– Potential for higher initial costs for molds and setup
– Limited recyclability or customization depending on material
– Dependence on the automotive industry’s market fluctuations
– Limited resistance to certain liquids in some products

Trusted Plastic Parts Manufacturer and Supplier

Product Details:
American Engineering Group LLC specializes in precision plastic injection molding of custom-made plastic parts, with turnkey solutions including part modeling, mold design, prototyping, tool sourcing, production planning, sample verification, process control, decorating, secondary processing, and packaging. The company is ISO 9001 certified and provides contract plastic manufacturing services for both pilot projects and high-volume production.

Technical Parameters:
– ISO 9001 certified manufacturing process
– Precision plastic injection molding
– Custom-made plastic parts with turnkey production support
– Capability for both pilot projects and high-volume production

Application Scenarios:
– Automotive plastic parts manufacturing
– Defense, medical, and consumer/sports equipment industries
– Custom component supply for manufacturers seeking contract manufacturing

Pros:
– Over 20 years of industry experience
– Comprehensive, turnkey service from design to packaging
– Collaboration and technical assistance provided to clients
– High-quality, customizable, and cost-effective solutions

Cons:
– Specific technical product specifications and material details are not listed
– Potentially limited to businesses requiring custom or contract manufacturing

Top 10 Automotive Plastic Parts Manufacturers in the World 2023

Product Details:
Automotive plastic parts including custom injection molded components for various automotive applications.

Technical Parameters:
– Injection molding for lower and larger volumes
– Use of engineered resins like polycarbonates and GF nylons
– Blow molding technology for custom products

Application Scenarios:
– Automotive industry for vehicle production
– Manufacturing of complex components and systems
– Production of high-quality blow-molded products

Pros:
– Improves performance, safety, and aesthetics of vehicles
– Reduces weight and cost of automotive parts
– Enhances fuel efficiency and design flexibility

Comparison Table

Company	Product Details	Pros	Cons	Website
Top 24 Producers of Plastic Auto Components – Inven	Manufacture of molded and extruded plastic and rubber auto parts,	Lightweight, durable, and innovative products tailored for automotive industry	Limited information on technical parameters and specific performance data	www.inven.ai
Plastic Automotive Parts & Components	Auto Parts Manufacturer	Bolta US	Bolta US manufactures and supplies high-quality plastic components and	High-quality, durable plastic parts tailored for automotive applications Certifi
Automotive plastic parts manufacturers – NOVARES	Novares designs and manufactures complex plastic components and systems for the	Wide product portfolio tailored for vehicle manufacturers Strong commitment to	Lack of detailed technical specifications on the main page Potential industry	www.novaresteam.com
Plastic Automotive Parts and Components – Sonoco Products Company	Sonoco manufactures custom plastic automotive parts and components, including	Custom-engineered solutions to meet specific OEM requirements Lightweight	May not be suitable for applications requiring high-temperature metal	www.sonoco.com
Auto parts manufacturer – Knauf Industries Automotive	Knauf Automotive produces automotive components from Expanded Polypropylene	High manufacturing precision and quality Compliance with strict automotive		knaufautomotive.com
Custom Car Parts Manufacturer	Plastic Injection Molding	Custom manufacturer specializing in plastic injection molding for automotive	Comprehensive range of manufacturing services from prototyping to high-volume	Limited technical specification details available directly on the
Automotive Plastic Manufacturing Specialists – Universal Plastic Mold	Custom injection molded automotive plastic parts, including large interior and	Over 60 years of experience with automotive OEMs High quality and consistency	No specific mention of handling extremely complex or niche automotive	www.upminc.com
Top 10 Plastic car parts manufacturers in the World 2025	High-quality plastic solutions for automotive parts, including injection molded	Cost-effective solutions that cut production costs Enhances design aesthetics	Potential for higher initial costs for molds and setup Limited recyclability or	www.sourcifychina.com
Trusted Plastic Parts Manufacturer and Supplier	American Engineering Group LLC specializes in precision plastic injection	Over 20 years of industry experience Comprehensive, turnkey service from design	Specific technical product specifications and material details are not	www.engineering-group.com
Top 10 Automotive Plastic Parts Manufacturers in the World 2023	Automotive plastic parts including custom injection molded components for	Improves performance, safety, and aesthetics of vehicles Reduces weight and		www.amazingplastics.com

Frequently Asked Questions (FAQs)

How do I identify reputable plastic car parts manufacturers?
Look for manufacturers with ISO or automotive industry certifications, positive customer reviews, and a proven track record with recognized brands. Visit their websites for case studies and request references to verify their credibility.

What should I consider when comparing different manufacturers?
Compare quality standards, manufacturing capabilities, production lead times, customization options, and price. Also, consider communication, after-sales support, and ability to meet your volume requirements.

Can manufacturers provide custom plastic parts based on my designs?
Yes, many plastic car parts manufacturers offer custom manufacturing services. You’ll typically need to provide design drawings or CAD files. They can help with prototyping, material selection, and refine the design if needed.

How can I assess the quality of a plastic parts factory?
Request product samples, inquire about their quality control processes, and ask to see certifications like ISO 9001 or IATF 16949. If possible, arrange a factory visit or a virtual tour to inspect their facilities and equipment.

What is the usual minimum order quantity (MOQ) for plastic car parts?
MOQs vary greatly between manufacturers. Some accept small trial orders or prototypes, while others require large batch production. Be upfront about your needs—they may be flexible, especially for long-term partnerships or unique projects.