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What Automotive Parts Can Be CNC Machined and How to Choose the Right CNC Manufacturing Process?
-Choosing the right manufacturing method for car parts is tough. A bad choice means wasted money and components...
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Lucky Zhang
[^1]. These regions combine [strong government incentives, robust charging infrastructure, and a tech-forward consumer base](https://ceepr.mit.edu/challenges-to-expanding-ev-adoption-and-policy-responses/)[^2], driving sustained demand for the vehicle.**  This growing popularity is great news, but it also creates new challenges, especially for those of us in the parts and accessories business. As more Model 3s hit the road, the demand for high-quality, customized components grows with it. Keeping up with this demand isn’t as simple as it sounds. It requires a deep understanding of manufacturing intricacies and the ability to meet the high standards of Tesla owners. Let’s explore what these trends mean for different regions and the supply chain that supports them. ## How Popular Is the Tesla Model 3 in the United States? Wondering if the Tesla Model 3’s momentum will continue? With so many new EVs entering the market, it’s easy to think its popularity might fade. **The Tesla Model 3 is incredibly popular in the United States, consistently ranking as one of the best-selling electric vehicles. Its blend of performance, technology, and an [expanding Supercharger network has solidified its position as a top choice for American car buyers transitioning to electric](https://www.influence-society.com/insights/enhance-your-hotels-digital-marketing-with-the-tesla-charging-network)[^3].**  The car’s success has created a huge market for aftermarket parts. But here’s something most people don’t know: making parts for the Model 3 is surprisingly difficult. As a manufacturer, I’ve seen firsthand that the precision required is on another level. For example, plastic components for the Model 3, like interior trims or exterior fittings, demand extremely tight tolerances. A standard injection molding machine just can’t do the job properly; the final product won’t meet the fit and finish standards Tesla owners expect. This high bar means that only specialized factories can produce reliable aftermarket parts. It’s not just about making a part that looks right; it’s about engineering something that functions and feels like it came straight from the original factory, and that’s a challenge that separates the pros from the amateurs. ## Which US States Have the Most Tesla Model 3 Owners? Trying to pinpoint where the biggest pools of Model 3 owners are? It’s tough to get exact numbers, making it hard to focus your business efforts effectively. **California is, by a large margin, the state with the most Tesla Model 3 owners. Following California, states like Florida, Texas, Washington, and New York have significant and growing populations of Model 3 drivers, driven by [state-level incentives and strong charging networks](https://afdc.energy.gov/data/10962)[^4].**  Meeting the demand in these key states requires a very capable supply chain. When we produce aftermarket plastic components for the Model 3, it’s a precise, multi-step process. A typical project involves at least three main stages, but the most difficult one is cooling. After injecting hot plastic into the mold, controlling the cooling rate is critical. If it cools too fast or unevenly, the part can warp or shrink, failing to meet the precision needed. This is where the quality of the machinery makes all the difference. In my experience, the [high-precision injection molding machines capable of this work are usually found in coastal manufacturing hubs like Fujian and the areas around Shanghai](https://www.cavs.msstate.edu/publications/docs/2000/07/2582000-27.pdf)[^5]. [Factories in other regions, like Hebei, often use equipment that doesn’t meet the required accuracy](https://www.cavitymold.com/top-10-chinese-injection-molding-companies-in-2026/)[^6]. It’s this manufacturing reality that directly impacts the availability and quality of Model 3 parts in states with high demand. | Manufacturing Step | Key Challenge | Why It’s Difficult for Model 3 Parts | | :— | :— | :— | | **1. Mold Preparation** | Precision Engineering | The mold must be perfect to the sub-millimeter. | | **2. Plastic Injection** | Consistent Flow & Pressure | Ensures the part is fully formed without weak spots. | | **3. Cooling** | **Uniform Temperature Drop** | **This is the hardest part. Uneven cooling causes warping and shrinkage, which is unacceptable for Model 3’s tight-fitting parts.** | ## What Are the Top States Buying New Tesla Model 3 Vehicles? Are you trying to figure out where new Model 3s are flying off the shelves? Sales data can be scattered, making it difficult to identify the hottest markets for growth. **The top states for new Tesla Model 3 purchases are consistently California, Florida, and Texas. These states lead due to their large populations, [favorable state policies or lack of sales tax on EVs in some cases](https://www.brookings.edu/articles/states-at-the-wheel-a-state-policy-scorecard-on-electric-vehicle-readiness/)[^7], and a strong consumer appetite for new technology.**  Serving these booming markets isn’t just about volume; it’s about customization. Many new owners want to personalize their cars, which means we need to produce parts in various colors and finishes. This adds another layer of complexity to the manufacturing process. One of the trickiest parts of making custom-colored plastic accessories is adding the color pigments. To do this, we have to stop the machine and open the mold to mix in the color powder. This interruption completely disrupts the cooling cycle I mentioned earlier. The mold loses heat, and re-establishing a stable, controlled cooling process afterward is extremely challenging. I learned this the hard way. On my first project for a Pakistani client, we were making a batch of custom interior parts. Because we were inexperienced with this specific challenge, the parts “shrunk” more than expected after cooling. I was worried we had failed. But when the client received them, he loved the result! He said the slightly more compact fit was perfect for his needs. It was a lucky break, and we’ve since perfected the process to control for that shrinkage. But it just goes to show how a small step like adding color can create big manufacturing hurdles. ## Conclusion In short, the Tesla Model 3’s popularity, especially in states like California, will continue to grow toward 2026, creating a huge but challenging market for high-quality aftermarket parts. — [^1]: “Vehicle Registration Counts by State – Alternative Fuels Data Center”, https://afdc.energy.gov/vehicle-registration. Recent registration and sales data indicate that California leads the United States in Tesla Model 3 ownership, with Florida, Texas, and Washington also ranking highly due to supportive policies and infrastructure; however, projections for 2026 are subject to market and policy changes. Evidence role: statistic; source type: government. Supports: the Tesla Model 3 is expected to remain most popular in California, followed by other EV-friendly states like Florida, Texas, and Washington. Scope note: Future projections are estimates and may change with evolving market conditions or policy shifts. [^2]: “Challenges to Expanding EV Adoption and Policy Responses”, https://ceepr.mit.edu/challenges-to-expanding-ev-adoption-and-policy-responses/. Multiple sources, including state government reports and industry analyses, attribute high EV adoption rates in certain states to generous incentives, extensive charging networks, and consumer demographics favoring technology adoption. Evidence role: mechanism; source type: government. Supports: These regions combine strong government incentives, robust charging infrastructure, and a tech-forward consumer base, driving sustained demand for the vehicle.. Scope note: The relative impact of each factor may vary by state and over time. [^3]: “Creatively Enhance Your Hotel’s Digital Marketing: Tesla’s …”, https://www.influence-society.com/insights/enhance-your-hotels-digital-marketing-with-the-tesla-charging-network. Industry reports and consumer surveys indicate that Tesla’s Supercharger network is a significant factor influencing consumer preference for Tesla vehicles, including the Model 3. Evidence role: mechanism; source type: research. Supports: Its blend of performance, technology, and an expanding Supercharger network has solidified its position as a top choice for American car buyers transitioning to electric.. Scope note: Other factors such as price and performance also contribute to consumer choice. [^4]: “Maps and Data – Electric Vehicle Registrations by State”, https://afdc.energy.gov/data/10962. State government and industry analyses identify incentives and charging infrastructure as key drivers of electric vehicle adoption in states such as Florida, Texas, Washington, and New York. Evidence role: mechanism; source type: government. Supports: state-level incentives and strong charging networks drive significant and growing populations of Model 3 drivers in these states.. Scope note: The effectiveness of incentives and infrastructure varies by state and over time. [^5]: “An Analysis of the Powder Injection Molding Industry Global Market”, https://www.cavs.msstate.edu/publications/docs/2000/07/2582000-27.pdf. Industry reports on Chinese manufacturing indicate that advanced injection molding facilities are concentrated in coastal regions such as Fujian and Shanghai, which are known for higher technology adoption. Evidence role: statistic; source type: research. Supports: high-precision injection molding machines capable of this work are usually found in coastal manufacturing hubs like Fujian and the areas around Shanghai.. Scope note: Not all factories in these regions have the same capabilities, and some inland regions may also have advanced facilities. [^6]: “Top 10 Chinese Injection Molding Companies in 2026”, https://www.cavitymold.com/top-10-chinese-injection-molding-companies-in-2026/. Manufacturing sector analyses suggest that inland provinces such as Hebei generally have less advanced injection molding equipment compared to coastal hubs, though exceptions exist. Evidence role: statistic; source type: research. Supports: Factories in other regions, like Hebei, often use equipment that doesn’t meet the required accuracy.. Scope note: There are advanced factories in some inland regions, so this is a general trend rather than a universal rule. [^7]: “A state policy scorecard on electric vehicle readiness”, https://www.brookings.edu/articles/states-at-the-wheel-a-state-policy-scorecard-on-electric-vehicle-readiness/. State government resources and policy analyses indicate that favorable policies, including sales tax exemptions, contribute to higher EV adoption in certain states. Evidence role: mechanism; source type: government. Supports: favorable state policies or lack of sales tax on EVs in some cases contribute to high Tesla Model 3 sales in certain states.. Scope note: Not all top states offer sales tax exemptions; policies vary by state and over time.](https://shuipet.com/wp-content/uploads/2026/07/why-does-tesla-not-show-parts-prices-online-y.jpg)
