CNC Machining Services for Automotive Industry
- Production-ready parts with tight tolerances
- ISO 9001:2015 certified quality assurance
- Fast lead times and 24/7 engineering support
Why Choose PROLEANMFG for Automotive CNC Machining?
Tight Tolerances & Superior Accuracy
We deliver components that meet the most exacting specifications that are essential for critical automotive applications like powertrain systems, braking components, and engine parts.
Rapid Prototyping & Short Lead Times
Accelerate your product development with our fast-turnaround prototyping services. We help you iterate quickly and move confidently from concept to production.
Wide Range of Materials
We machine a diverse selection of automotive-grade metals and plastics, including aluminum, stainless steel, titanium, ABS, and PEEK. Each selected for optimal performance and cost-efficiency.
Scalable Production
Whether you need one-off prototypes, small-batch parts, or high-volume production runs, we can scale our services to match your project needs and deadlines.
Automotive CNC Machining Capabilities
We support a wide range of applications within the automotive sector, including
Engine & Drivetrain Components
Cylinder heads, engine blocks, gear housings, camshafts, and other high-stress parts machined with precision for performance and reliability.
Transmission & Suspension Parts
From transmission cases to suspension arms and knuckles, we ensure parts meet structural and functional requirements under dynamic loads.
Interior & Exterior Components
Precision-machined interior brackets, dashboard mounts, and trim supports as well as robust exterior parts such as housings and mounts.
EV & Hybrid Vehicle Parts
Specialized machining for electric powertrain components, battery housings, and cooling systems, supporting innovation in next-generation mobility.
Core Capabilities
CNC Machining
Achieve precise, high-tolerance parts with advanced CNC milling, turning, and multi-axis machining. Ideal for both prototype and end-use metal or plastic components.
Injection Molding
Efficiently produce complex plastic parts with rapid turnaround times. We offer bridge tooling and production tooling for high-volume runs with consistent quality.
Sheet Metal Fabrication
Form durable, lightweight metal components with laser cutting, bending, and stamping. Perfect for brackets, enclosures, and structural elements across industries.
3D Printing
Quickly iterate product designs with industrial-grade additive manufacturing. Great for complex geometries, functional prototypes, and low-volume end-use parts.
Wire EDM
Precision cutting for hard-to-machine materials and intricate shapes. Ideal for tooling, dies, and tight-tolerance automotive components requiring exceptional edge quality.
Urethane Casting
Short-run production and prototyping with high-fidelity detail and quality. Perfect for functional testing and low-volume end-use parts without investing in full tooling.
Automotive Parts We Excel At
Engine & Powertrain Components
- Cylinder heads
- Engine blocks (aluminum & cast variants)
- Valve covers
- Timing covers
- Oil pans
- Transmission housings
Suspension Parts
- Control arms
- Knuckles
- Subframe connectors
- Shock mounts
- Stabilizer brackets
Drivetrain Components
- Differential housings
- Gearbox casings
- Drive shafts (custom flanges and splines)
- CV joint housings
EV & Hybrid Vehicle Parts
- Battery enclosures
- Motor housings
- Cooling plates
- Power electronics covers
Automotive Parts Finishes
| Name | Applicable to | Feature | Color | Thickness | |
|---|---|---|---|---|---|
 | As Machined | Metals & Plastics | Tool marks visible | Material | N/A |
 | Sanding & Polishing | Metals & Plastics | Brushed & gloss mirror surface | Material | 0.02–0.05 mm removed |
 | Sand / Bead Blasting | Metals & Plastics | Matte or satin texture | Material | N/A |
 | Anodizing (Type II) | Aluminum | Corrosion resistance, decorative colors | Black, Silver, Red | 8–25 μm |
 | Hard Anodizing (Type III) | Aluminum | Wear resistance, hard coating | Grey to Dark Bronze | 25–100 μm |
 | Powder Coating | Metals | Durable, uniform color finish | Various RAL Colors | 50–150 μm |
 | Electropolishing | Stainless Steel | Smooth, bright finish | Natural metal | Up to 0.025 mm removed |
 | Zinc Plating | Steel | Corrosion protection | Silver, Yellow | 5–25 μm |
 | Nickel Plating | Steel, Copper, Brass | Smooth, corrosion-resistant coating | Silver | 5–30 μm |
 | Chromate Conversion (Alodine) | Aluminum | Mild corrosion protection | Yellow, Clear | ~0.5 μm |
 | Painting / Wet Spray | Metals & Plastics | Decorative or protective finish | Custom | 10–50 μm |
