Cylinder heads may not be the first thing most people think about when talking engines, but every mechanic and parts buyer knows how crucial they are. A well-built cylinder head ensures smooth combustion, better efficiency, and reliable power delivery.
For businesses in the auto parts trade, choosing the right cylinder head supplier can be the difference between satisfied customers and costly returns.
With hundreds of manufacturers around the world, it’s not always easy to know which companies are worth your trust. That’s why we’ve pulled together this updated list of the Top 10 Cylinder Head Manufacturers and Suppliers in 2025. It highlights established OEM partners, performance specialists, and trusted B2B exporters — giving you a clear picture of who’s leading the industry right now.
Overview
Here’s a quick look at the top players before we dive into the details:
| Position | Company Name | Country | Establishment | Specialty |
|---|---|---|---|---|
| 1 | Nemak | Mexico | 1979 | OEM aluminum cylinder heads & engine blocks |
| 2 | Linamar (Montupet) | Canada | 1966 | Casting & machining of OEM cylinder heads & blocks |
| 3 | Teksid (Stellantis) | Italy | 1978 | Aluminum/iron cylinder heads for OEM programs |
| 4 | Rheinmetall (Castings BU: KS HUAYU AluTech) | Germany | 1889 | OEM aluminum cylinder heads (large-series casting) |
| 5 | Tupy | Brazil | 1938 | Cast-iron/CGI cylinder heads (HD & OEM) |
| 6 | Grainger & Worrall | United Kingdom | 1946 | Motorsport/prototype cylinder head castings |
| 7 | Cummins | United States | 1919 | New & reman cylinder heads for diesel engines |
| 8 | Edelbrock | United States | 1938 | Aftermarket performance aluminum cylinder heads |
| 9 | Air Flow Research (AFR) | United States | 1970 | CNC-ported performance aluminum cylinder heads |
| 10 | Nanjing Woda Auto Technology Co., Ltd. | China | 1999 | OEM-quality & aftermarket cylinder heads (B2B) |
In-Depth Look: Top 10 Cylinder Head Manufacturers and Suppliers
1. Nemak (Mexico)
Founded in 1979 and headquartered in Monterrey, Mexico, Nemak is one of the world’s largest suppliers of aluminum components for the automotive industry. With a presence in North America, Europe, and Asia, Nemak has become a trusted partner for many leading global automakers.
Company Advantages
- Global production footprint with 30+ facilities across multiple regions.
- Advanced casting technologies, including low-pressure die casting and semi-permanent mold processes.
- Strong partnerships with OEMs such as GM, Ford, and Volkswagen.
- Continuous innovation in lightweight design and fuel efficiency solutions.
Main Products and Services
- High-volume aluminum cylinder heads for gasoline and diesel engines.
- Engine blocks and other structural powertrain components.
- Development of new parts for hybrid and electric vehicle applications.
2. Linamar (Montupet) (Canada)
Founded in 1966 and headquartered in Guelph, Ontario, Linamar Corporation is a leading Canadian manufacturer of powertrain and structural components. Through its French subsidiary Montupet, acquired in 2016, the company has built a strong reputation as a global specialist in aluminum casting for engine components, especially cylinder heads.
Company Advantages
- Proven expertise in precision aluminum casting and machining.
- Global manufacturing presence with facilities in Europe, North America, and Asia.
- Trusted supplier to top OEMs, including Ford, Renault, PSA, and Volkswagen.
- Strong R&D investment in lightweight designs and improved thermal efficiency.
Main Products and Services
- Cylinder heads for gasoline and diesel engines.
- Aluminum engine blocks and other key powertrain castings.
- Engineering and prototyping services for new engine technologies.
3. Teksid (Stellantis) (Italy)
Established in 1978, Teksid is part of the Stellantis Group and is headquartered in Carmagnola, Italy. The company is a global leader in the production of cast iron and aluminum engine components, with a strong track record of supplying cylinder heads to major automotive OEMs.
Company Advantages
- Decades of expertise in high-quality casting technologies.
- Production facilities in Italy, Brazil, Mexico, China, and Poland.
- Strong ties to Stellantis brands (Fiat, Chrysler, Peugeot, Citroën) as well as other automakers.
- Ongoing R&D efforts in lightweight aluminum and advanced metallurgy.
Main Products and Services
- Cylinder heads for gasoline and diesel engines.
- Cast iron and aluminum engine blocks.
- Suspension and structural automotive components.
4. Rheinmetall (KS HUAYU AluTech) (Germany)
Founded in 1889 and based in Düsseldorf, Germany, Rheinmetall AG is a diversified technology group with a strong automotive division. Through its casting subsidiary KS HUAYU AluTech, the company has become a key global supplier of lightweight aluminum components, including high-volume cylinder heads.
Company Advantages
- Over a century of expertise in engineering and manufacturing.
- Specialized in aluminum casting with a strong focus on lightweight design.
- Supplies leading global OEMs across Europe, Asia, and North America.
- Advanced R&D in heat management, durability, and emissions reduction.
Main Products and Services
- Cylinder heads for gasoline and diesel engines.
- Aluminum engine blocks and structural components.
- Innovative casting solutions for hybrid and electric powertrains.
5. Tupy (Brazil)
Founded in 1938 and headquartered in Joinville, Brazil, Tupy is a global leader in cast-iron and CGI (Compacted Graphite Iron) components. With foundries in Brazil, Mexico, and Europe, Tupy supplies major OEMs and heavy-duty manufacturers worldwide, earning a strong reputation for durability and reliability.
Company Advantages
- Decades of expertise in cast-iron metallurgy and advanced CGI technologies.
- Large-scale production capacity serving both automotive and industrial sectors.
- Trusted partner for global OEMs, including MAN, Daimler, and Ford.
- Continuous investment in sustainable manufacturing and new material development.
Main Products and Services
- Cylinder heads for heavy-duty, diesel, and commercial vehicle applications.
- Engine blocks and structural iron castings.
- Advanced CGI castings for next-generation engines.
6. Grainger & Worrall (United Kingdom)
Founded in 1946 and headquartered in Bridgnorth, England, Grainger & Worrall is a specialist in precision casting and machining, particularly for motorsport and low-volume, high-performance applications. The company has earned global recognition for its ability to deliver complex castings under demanding conditions.
Company Advantages
- Renowned for expertise in prototype and low-volume cylinder head production.
- Strong presence in motorsport, supplying F1, WRC, and endurance racing teams.
- Advanced capabilities in sand casting and rapid prototyping.
- Strong R&D focus, often collaborating with OEMs and performance specialists.
Main Products and Services
- Cylinder heads for motorsport and prototype engines.
- Engine blocks and performance-critical castings.
- Engineering support for concept-to-production development.
7. Cummins (United States)
Founded in 1919 and headquartered in Columbus, Indiana, Cummins Inc. is one of the world’s most recognized names in diesel engines and related components. With a global service network and production facilities across multiple continents, Cummins is a leading supplier of cylinder heads for heavy-duty applications.
Company Advantages
- More than a century of experience in diesel engine technology.
- Global production and service network, ensuring reliable supply and support.
- Strong focus on durability and efficiency for commercial and industrial engines.
- Extensive remanufacturing program, reducing cost and environmental impact.
Main Products and Services
- New cylinder heads for diesel engines used in trucks, buses, and machinery.
- Remanufactured cylinder heads through Cummins’ ReCon program.
- Full range of diesel engine components and aftermarket support.
8. Edelbrock (United States)
Founded in 1938 and headquartered in Olive Branch, Mississippi, Edelbrock LLC is a legendary name in the American performance aftermarket. Known for its high-performance parts, Edelbrock has built a reputation among racers, tuners, and enthusiasts for delivering quality and innovation.
Company Advantages
- Strong legacy brand trusted in the performance and racing communities.
- Extensive aftermarket distribution network across the U.S. and worldwide.
- Focus on precision-engineered products that boost power and reliability.
- Consistent innovation in performance technology for classic and modern engines.
Main Products and Services
- Aluminum cylinder heads designed for racing, street performance, and muscle cars.
- Intake manifolds, carburetors, and fuel system components.
- Engine performance kits and custom solutions for enthusiasts.
9. Air Flow Research (AFR) (United States)
Founded in 1970 and based in Valencia, California, Air Flow Research (AFR) is a well-known name in the high-performance aftermarket. AFR has earned its reputation by producing cylinder heads that deliver superior airflow and horsepower gains, making them a top choice for racers and engine builders.
Company Advantages
- Decades of specialization in performance cylinder head design.
- CNC-ported aluminum heads with optimized airflow for maximum power.
- Popular among drag racers, hot rodders, and professional engine builders.
- Wide coverage for small block, big block, LS, and modern performance engines.
Main Products and Services
- High-performance aluminum cylinder heads for Chevrolet, Ford, Chrysler, and LS/Hemi platforms.
- CNC machining and porting services.
- Matching valvetrain components for complete performance packages.
10. Nanjing Woda Auto Technology Co., Ltd. (China)
Founded in 1999, Nanjing Woda Auto Technology is a professional supplier of cylinder heads and complete engine components. With more than 25 years of experience, the company serves B2B buyers across Latin America, Africa, Southeast Asia, and the Middle East.
Company Advantages
- Long-standing expertise in engine parts manufacturing and export.
- OEM-quality standards backed by strict quality control.
- Reliable supply for both workshops and distributors worldwide.
Main Products and Services
- Cylinder heads for Japanese, Korean, American, and European vehicles.
- Complete engines and essential components such as blocks, crankshafts, and pistons.
- Wholesale solutions with consistent global delivery.
How to Choose the Right Cylinder Head Supplier
Not every supplier will fit your business model. Finding the right partner goes beyond comparing prices — it’s about reliability, service, and long-term support. For workshops, distributors, and fleet operators, here are the key factors to consider when evaluating cylinder head manufacturers:
1. Certifications and Quality Standards
Look for suppliers that meet international standards such as ISO/TS16949. This ensures consistent quality and compliance with OEM requirements.
2. OEM vs. Aftermarket Expertise
Some companies specialize in high-volume OEM supply (e.g., Nemak, Linamar), while others focus on aftermarket performance parts (like Edelbrock or AFR). Make sure the supplier’s strengths align with your business needs.
3. Minimum Order Quantities (MOQ) and Production Capacity
For wholesale buyers, MOQs can make or break a deal. A supplier with flexible order policies and sufficient production capacity is ideal for balancing inventory risk with demand.
4. Export and Logistics Experience
International buyers should prioritize suppliers with a proven export track record. Reliable shipping, customs handling, and after-sales support can save time and money.
5. Technical Support and After-Sales Service
A good supplier isn’t just a manufacturer—they’re also a partner. Choose companies that provide technical documentation, responsive customer service, and warranty coverage where possible.
6. Innovation and Future Readiness
With engines evolving rapidly (downsizing, turbocharging, hybrid/EV transitions), suppliers that invest in R&D and new technologies are better positioned to serve long-term needs.
By weighing these factors, businesses can reduce procurement risks and build lasting relationships with cylinder head suppliers that truly support their operations.
Why Choose Nanjing Woda as Your Cylinder Head Supplier
While many global manufacturers focus on supplying OEMs at scale, Nanjing Woda Auto Technology specializes in meeting the needs of B2B buyers, distributors, and workshops in international markets. This difference in focus makes Woda Auto an ideal partner for businesses seeking reliability without the barriers that often come with large OEM suppliers.
What Sets Us Apart
- B2B-focused approach: Unlike OEM giants, we tailor our supply terms, MOQs, and service to match distributor and workshop requirements.
- Full product coverage: From cylinder heads to complete engines and core components, buyers can source everything from a single trusted partner.
- Market-driven flexibility: We understand the realities of emerging markets, offering practical solutions that balance cost, quality, and delivery speed.
- Proven global track record: Years of successful exports to Latin America, Africa, and Southeast Asia show our reliability in diverse market conditions.
Added Value for Buyers
- Ease of communication: Dedicated international sales team fluent in multiple languages.
- Faster turnaround: Streamlined processes for quotations, production scheduling, and logistics.
- Partnership mindset: We work with buyers long-term, helping them grow their business with stable supply and technical support.
By combining manufacturing expertise with a strong B2B orientation, Nanjing Woda Auto bridges the gap between global quality standards and practical wholesale solutions.
Conclusion
Choosing the right cylinder head supplier is more than just a purchase decision — it’s about building a reliable supply chain that keeps your business running smoothly. The companies we’ve highlighted represent some of the most trusted names in the industry, from global OEM leaders to performance specialists.
If you’re looking for a dependable partner that combines OEM-level quality with flexible B2B solutions, Nanjing Woda Auto Technology Co., Ltd. is ready to support your business.
Ready to strengthen your supply chain? Contact us today for a catalog or quotation, and let’s grow your business together with high-quality cylinder heads and engine parts.
