North America Automotive Parts Die Casting Market Size & Share Analysis - Growth Trends and Forecast (2026 - 2031)

North America Automotive Parts Die Casting Market Trends and Insights

Exploding EV Battery-Housing Demand

As electric vehicles (EVs) continue to gain traction in the automotive market, battery trays have become a key driver in the growth of the die-casting segment. Tesla's innovative gigacasting for its rear underbody streamlines production by consolidating numerous parts and eliminating welds, resulting in cost savings and improved manufacturing efficiency. General Motors is advancing its electric vehicle (EV) production capabilities by installing high-capacity presses to support the manufacturing of components for its electric pickups. Meanwhile, Linamar's advanced press technology is contributing to Tesla's production efforts, highlighting Canada's growing prominence as a hub for gigacasting. These one-piece castings not only optimize production processes but also enhance battery safety by significantly reducing water-leak risks for vehicles operating within high-voltage ranges.

HPDC Gigacasting Adoption by NA OEMs

In 2025, General Motors, Ford, and Tesla have secured significant multi-year contracts for structural gigacastings. Ford’s Ontario facility, operational since late 2025, is set to deliver aluminum front and rear subframes for multiple electric vehicle (EV) platforms, streamlining production by significantly reducing the number of components and welds per vehicle. Linamar’s Welland line highlights the substantial investments required in gigacasting technology ^{[2]“Investor Presentation Q3 2025,” Linamar Corporation, linamar.com}. Gigacast front modules have transformed body-shop efficiency, drastically reducing production time while also improving crash absorption performance.

Light-Weighting Regulations and CAFE Tightening

Stricter Corporate Average Fuel Economy (CAFE) rules for model years 2027-2031 mandate significantly higher fleet averages, compelling automakers to reduce vehicle weight substantially. By transitioning shock towers, hinge pillars, and seat frames from stamped steel to aluminum high-pressure die castings, automakers achieve notable weight reductions and avoid substantial costs associated with fuel-economy credit purchases. Ford’s F-150 Lightning and Mustang Mach-E benefited from a front subframe conversion, contributing meaningfully to each model’s overall weight-saving goal. The Environmental Protection Agency's (EPA's) greenhouse-gas limits align with Corporate Average Fuel Economy (CAFE), further intensifying compliance challenges^{[3]“GHG Emissions Standards for Light-Duty Vehicles,” EPA, epa.gov}. Tier-1 suppliers highlight that increasing cast-aluminum content improves combined fuel economy, positioning die casting as a highly cost-effective compliance strategy.

OEM Near-Shoring Under USMCA Rules Boosts Regional Die-Casting Volumes

By 2027, the United States-Mexico-Canada Agreement (USMCA) mandates higher regional-value content, pushing automakers to prioritize domestic sourcing for castings. Ryobi's Irapuato expansion introduced additional large-tonnage presses and created new jobs, catering to Ford and GM's electric vehicle (EV) contracts. Pace Industries moved its headquarters to Detroit, significantly reducing prototype lead times. In a strategic move, Martinrea acquired a recycling facility in Mexico, ensuring a substantial portion of North American feedstock for its Saltillo plant, providing a buffer against tariffs. Near-shoring not only reduces logistics costs but also shortens lead times significantly.

Aluminum/Magnesium Price Volatility

In 2025, aluminum prices experienced significant fluctuations, leading to margin compression due to delays in cost pass-through. Chinese export restrictions caused a sharp increase in magnesium prices, necessitating expensive alloy redesigns. This shift negatively impacted Linamar's casting margins. While rising aluminum prices can substantially increase the cost of producing a mid-size sedan, only a small proportion of die casters take the precaution of hedging prices.

Capex Intensity of 4,000-ton Press Lines

A high-pressure line represents a significant investment, while larger gigacasters demand considerably higher costs due to their advanced capabilities and scale. The tooling process for gigacasting dies is highly complex and time-intensive, which extends the timeline for achieving a return on investment compared to smaller and more conventional presses. This longer timeline highlights the challenges associated with adopting larger-scale technologies in the industry. Recognizing these challenges, private equity firms are increasingly stepping in to support modernization efforts. These investments aim to enhance the efficiency, productivity, and competitiveness of die casting operations, ensuring they remain viable and aligned with evolving industry demands.

Segment Analysis

By Raw Material: Aluminum Dominance Meets Magnesium Momentum

Aluminum alloys held 57.12% of the North American automotive parts die casting market share in 2025, riding on their balance of strength, thermal conductivity, and corrosion resistance. Magnesium is projected to outpace all materials at an 8.25% CAGR through 2031 thanks to its density advantage, despite a notable cost premium. Zinc claims a significant portion of output for door handles, buckles, and electronics, benefiting from die life that runs 10 times longer than aluminum. At Honda's Anna plant, aluminum boasts a high recycled content. This not only reduces lifecycle CO₂ emissions but also bolsters compliance with United States-Mexico-Canada Agreement (USMCA) sourcing regulations. Meanwhile, at Meridian's Strathroy site, magnesium recycling has made significant progress, marking a stride in overcoming oxidation challenges.

Demand trends are influenced by both thermal and electromagnetic requirements. Aluminum, with its superior conductivity, is essential for battery trays that manage heat effectively. On the other hand, magnesium's properties make it ideal for shielding inverters in advanced systems. Research funded by the Department of Energy (DOE) is pushing towards a future where scrap-fed alloys dominate, aiming for recycled aluminum that matches the properties of primary alloys. These developments not only solidify aluminum's leading position but also carve out a substantial niche for magnesium in ultra-light EV modules.

Note: Segment shares of all individual segments available upon report purchase

By Process: Pressure Casting Leads, Vacuum Technology Gains

High-pressure die casting accounted for 79.25% of volume in 2025, driven by 60-90 second cycles and thin-wall repeatability for housings and brackets. Vacuum die casting is projected to log a 7.86% CAGR through 2031, fueled by suspension knuckles and control arms that demand porosity below 0.5% for T6 heat treatment. Gravity die casting holds a significant position for low-volume prototype blocks, while squeeze casting is increasingly being used for steering knuckles, replacing heavier iron components.

Choosing a process involves balancing cost, volume, and mechanical objectives. Ryobi’s innovative vacuum-valve system significantly reduces porosity, enabling welded A-pillars with impressive yield strength. Squeeze-cast engine mounts have demonstrated exceptional performance under heavy loads, proving their suitability for heavy-duty trucks. While High-Pressure Die Casting (HPDC) remains the preferred choice for thin-wall parts, both vacuum and squeeze methods are increasingly taking on structural roles, previously dominated by stampings, highlighting a diverse technological evolution in North America's automotive parts die casting landscape.

By Application: Body Parts Lead, EV Components Surge

Body structures commanded 51.33% of 2025 demand, led by shock towers, hinge pillars, and instrument-panel beams that yield significant weight savings over steel and help meet CAFE targets. EV components are set to post a 9.65% CAGR, the fastest among applications, as single-piece battery trays and motor housings will ramp up by 2031. Engine blocks and heads make up a notable share of value, but decline as ICE output will drop by 2031. Transmission housings split: multi-speed ICE cases fade while single-speed EV gearboxes climb.

Tesla's Gigacast rear underbodies streamline production by significantly reducing the number of parts, lowering costs, and improving manufacturing efficiency. Similarly, Ford and GM are transitioning from multiple welded parts to single aluminum castings, optimizing factory operations and enhancing space utilization. While the decline in ICE engines impacts certain components, the adoption of EV technologies, such as larger battery structures and advanced reducer housings, is driving an increase in casting content. These developments are fostering greater application diversification within North America's automotive parts die casting market.

By Vehicle Type: Passenger Cars Dominate, Light Commercials Accelerate

Passenger cars absorbed 71.45% of 2025 tonnage, averaging 85-120 kg of die castings per vehicle. Light commercial vehicles (LCVs) are forecast to log a 9.14% CAGR, topping all vehicle types, as e-commerce fleets electrify and specify 120-180 kg of aluminum castings per van to offset battery mass. Class 6-8 trucks hold a nominal share, mostly engine and transmission housings, but remain ICE-heavy through 2031.

Ford's E-Transit has replaced its previous welded steel battery tray with a lighter single-piece version, enhancing its payload capacity. BrightDrop's electric vans have adopted aluminum die-cast subframes, leading to a significant reduction in body-in-white mass. As the mix of passenger cars increasingly shifts toward SUVs, these vehicles require more cast content. Simultaneously, the electrification of light commercial vehicles (LCVs) is driving new growth opportunities in the North American automotive parts die casting market, independent of passenger car trends.

Note: Segment shares of all individual segments available upon report purchase

By End-Use Industry: OEMs Command, Aftermarket Expands

OEMs controlled 83.26% of 2025 shipments, reflecting five- to seven-year contracts for engine blocks, transmission housings, and gigacast body structures. The aftermarket is expected to grow at a 7.21% CAGR, driven by the demand for replacement housings and steering knuckles in aging vehicles. Remanufacturing plays a significant role in the aftermarket, offering rebuilt parts at more affordable prices compared to new ones.

United States-Mexico-Canada Agreement (USMCA) rules encourage dealership channels to source North American castings for replacement parts, shielding domestic foundries from Asian imports. EVs complicate forecasts by removing engine blocks yet adding high-value battery-tray replacements for the housing alone. Thus, even as electrification reduces part counts, aftermarket revenue may evolve rather than vanish.

Geography Analysis

The United States captured 74.18% of regional value in 2025 on the back of several Michigan High-Pressure Die Casting (HPDC) foundries located within 150 miles of Detroit engineering centers. At GM’s Flint Metal Center, large-tonnage presses play a crucial role in producing significant volumes of Ultium trays annually, highlighting strong domestic demand for such projects. Larger plants in the United States, which are better equipped to meet stringent environmental compliance requirements, maintain a competitive edge due to their ability to invest in advanced filtration systems. The limited availability of domestic primary aluminum further emphasizes the importance of utilizing scrap-based alloys to meet production needs. Secondary production clusters in regions like Indiana, Ohio, and Tennessee are strategically positioned to support the operations of Japanese automotive manufacturers in North America.

Canada is projected to grow at a 6.82% CAGR, the fastest geography, buoyed by Linamar’s 6,100-ton Welland line that feeds Tesla Texas and represents a notable share of North American casting capacity. Technological upgrades in Canadian foundries have significantly improved operational efficiency, with government support playing a pivotal role in reducing the costs associated with automation. Quebec’s focus on magnesium production adds a layer of strategic flexibility to the region’s capabilities, although it remains exposed to potential supply chain disruptions from international markets.

Mexico, as a leader in near-shoring initiatives under the United States-Mexico-Canada Agreement (USMCA) framework, continues to benefit from its strategic position in North America. Recent expansions by key manufacturers have enhanced production capacity and created new employment opportunities. Additionally, the cost advantages offered by the Mexican labor market provide a competitive edge, enabling manufacturers to optimize production costs. Many remanufacturers leverage these advantages by routing components to Mexican facilities for processing before returning the finished products to distribution hubs in the United States, creating an efficient and cost-effective supply chain.