From engine components to dashboards and transmissions, Automotive Part Manufacturing in Fresno, CA, is a key service offering from Roberson Machine Company. With over 20 years of experience across many industries, we deliver accuracy, speed, and consistency.
In this guide, we’ll explore how CNC machining plays a vital role in the automotive industry. Topics include:
- Common CNC machining applications in automotive part manufacturing
- Materials frequently used in automotive CNC processes
- Machining methods tailored to automotive part production
- Why Roberson Machine Company is a trusted industry partner
Call us today at 573-646-3996 or contact us online to request a quote for Fresno, CA, Automotive Part Manufacturing or learn more about our capabilities.
Fresno, CA, Automotive Part Manufacturing: Real-World CNC Applications
From precision engine parts to custom brackets, CNC machining is a key player in vehicle manufacturing. Roberson Machine Company partners with Tier 1–3 Suppliers, small businesses, and others to produce accurate, ready-to-scale components. The automotive sector frequently uses CNC machining for:
- Powertrain Components: Crankshafts, cylinder heads, and transmission housings require extreme precision to ensure performance, efficiency, and reliability. CNC machining maintains the tight tolerances these critical parts demand.
- Suspension & Steering Systems: For components like control arms, knuckles, and linkages, precision, durability, and lightweight design are crucial. Roberson’s machining expertise ensures these parts maintain proper handling and are built for longevity.
- Brake System Parts: For caliper mounts, rotors, and pedal components, precision machining ensures safety and smooth braking. Surface finish, dimensional accuracy, and geometry are key factors in achieving reliable braking performance.
- Interior & Dashboard Hardware: Beyond the engine, CNC machining is key to producing both aesthetic and functional parts such as gear shifters, infotainment brackets, and dashboard support structures that enhance vehicle interiors.
- Prototyping & R&D: Prior to large-scale production, many automotive manufacturers rely on CNC machining to test the performance and safety of components. Roberson facilitates quick and precise transitions from CAD designs to real-world prototypes, aiding in design refinement and innovation.
- Electric Vehicle (EV) Components: With the rise of EV production, CNC machining plays a crucial role in crafting battery housings, cooling plates, and custom mounts for electric drive units, all demanding advanced design and material expertise.
- Autonomous Vehicle Systems: CNC-machined parts are vital for the functionality of sensors, control modules, and structural components in autonomous vehicles, playing a key role in the performance and safety of advanced driving systems.
- Performance & Aftermarket Parts: CNC machining makes it possible to produce custom parts like intake manifolds, exhaust headers, and suspension upgrades, allowing automotive enthusiasts to improve their vehicle’s performance and visual appeal.
Roberson’s automotive part manufacturing services are crafted to meet the rigorous demands of the industry—whether you need five parts or five thousand. Precision, consistency, and quality are guaranteed at every step.
Types of Materials We Use for Fresno, CA, Automotive CNC Manufacturing
In the automotive industry, material selection is crucial for the performance, safety, and durability of vehicle parts. At Roberson Machine Company, we draw on a wide range of metals and plastics, each selected for its unique attributes—strength, weight, corrosion resistance, and machinability—to meet the specific needs of automotive applications. This includes:
- Aluminum (6061, 7075, 7050): Aluminum alloys are lightweight and resistant to corrosion, making them an excellent choice for engine components, suspension parts, and housings. High-strength alloys like 7075 are often used in performance and motorsports applications for their durability.
- Stainless Steel (303, 304, 316, 321, 420SS, 416, 440): Offering exceptional strength and resistance to corrosion, stainless steels are utilized in a wide range of applications from exhaust systems to drivetrain components. Hardened grades like 440 provide superior wear resistance.
- Plastics (Delrin, PETGs, Nylon, PLAs, PEEK, HDPE, Glass-Filled Nylon): Lightweight and ideal for non-structural components like bushings and gears, these plastics are highly versatile. Materials like PEEK also provide excellent heat and chemical resistance.
- Brass: Valued for its machinability and corrosion resistance, brass is ideal for manufacturing fittings, bushings, and valves used in fluid-handling systems and connectors.
- Titanium: Offering a superior strength-to-weight ratio, titanium is perfect for high-performance applications like exhaust parts and racing components where every ounce counts.
Our team is well-versed in the challenges of automotive environments and can assist you in selecting the best material for each part—whether you’re developing prototypes or ramping up for large-scale production. Get in touch to discover more about our machining services.

Key Services for Fresno, CA, Automotive Part Manufacturing
- Accurate CNC Machining: Roberson Machine Company leverages advanced machinery and skilled technicians to produce high-tolerance, precision components with excellent surface finishes, ensuring top-notch performance, safety, and reliability in automotive applications.
- Advanced Multi-Axis CNC Milling and Turning: From basic 3-axis to sophisticated 5-axis machining, we can produce complex geometries and detailed features essential for modern engine, transmission, and suspension components.
- Wire EDM: Wire EDM offers exceptional precision for ultra-fine cuts and intricate internal features, perfect for creating specialty parts such as fuel system components and highly accurate brackets.
- End-to-End Production Support: From quick-turn prototypes for design validation to high-volume CNC production runs, we ensure consistent quality and complete traceability throughout your project.
- Value-Added Services: Beyond machining, we offer a range of services including welding, fabrication, deburring, bead blasting, and assembly, all aimed at optimizing your supply chain and reducing time to market.
Roberson Machine Company provides seamless CNC solutions for the automotive industry, guiding you from concept to completion. Whether developing a prototype or expanding into full production, we maintain a focus on precision, efficiency, and quality throughout the entire process.
Why Choose Roberson for Fresno, CA, Automotive Part Manufacturing?
Roberson Machine Company is dedicated to producing high-precision products to meet your needs. Here are some of the reasons you should connect with us:
- Scalable Manufacturing Solutions: Engaging with our services provides a flexible approach to production without the financial burden of owning and operating manufacturing equipment. Our scalable solutions allow you to adjust production volumes as needed, optimizing costs and improving overall business agility.
- Specialized Expertise: Leverage our decades of CNC machining experience and industry-specific insights. Our skilled team employs high-precision techniques to meet your project’s unique requirements.
- Uncompromising Quality: We deliver components that adhere to stringent automotive tolerances and specifications. Our commitment to excellence is underscored by our certifications.
- Commitment to Partnership: We believe in being more than just a supplier—we are your reliable partner. By ensuring clear communication and dependable results, we nurture lasting relationships across all types of projects.
- Streamlined Innovation: With us handling the manufacturing process, you can focus on perfecting design, optimizing performance, and bringing your product to market quickly.
- Adaptable Solutions: Whether you’re producing one prototype or scaling to high-volume runs, our systems are designed to grow with your needs. Serving a wide range of industries lets us pass on material and process savings to you.
Other services we offer include:
- Custom CNC Machining for Part Production
- CNC Machine Automation
- Oil and Gas Precision Machining
- Aerospace Manufacturing
- EDM Machining
- High Volume CNC Machining
- Industrial Automation
- Solar Panel Manufacturers
- Microscope Parts Precision Machining
Interested in learning more about CNC machining and automotive applications? Don’t hesitate to give us a call now at 573-646-3996 or contact us online to learn more about Fresno, CA, Automotive Part Manufacturing and how our team can help.

