トップ 20 米国の自動車部品メーカー 2025 [イントロリスト]

The automotive industry is a dynamic, fast-evolving sector, with auto parts companies playing a critical role in ensuring vehicles remain reliable, efficient, and innovative. Whether you’re an international auto parts agent, importer, retailer, or wholesaler, staying informed about the top companies in the industry is crucial for making strategic business decisions. In this article, we’ll explore the 20 outstanding auto parts manufacturers in USA for 2025.

U.S. Automotive Aftermarket Size, 成長, and Trend

The U.S. automotive aftermarket industry is booming, with a projected value of $387 10億まで 2026, growing at a steady rate of 3.2% annually. This growth is largely fueled by increased vehicle retention, as the average age of cars on the road now exceeds 12 年. As a result, auto parts wholesale suppliers in USA are seeing a surge in demand for replacement parts, particularly for engines, electrical components, and suspension systems.

さらに, the rise of DIY car maintenance and customization, alongside an expanding e-commerce presence, has reshaped the market. Consumers are more inclined to buy aftermarket parts for cost-effective solutions and personalized upgrades, further fueling the industry’s growth. This upward trend in the automotive aftermarket is expected to continue, driven by advancements in technology, increased vehicle complexity, and evolving consumer preferences.

20 Leading Auto Parts Manufacturers in USA

As the demand for quality auto parts grows, it’s essential to highlight the top players driving the industry. Here are 20 leading automotive parts manufacturers in USA, known for their innovation and reliability.

Before you dive into the exploration, take a look at the brief overview of these auto part companies:

会社名	Established 年	本部	Major Auto Parts
COWTOTAL Auto Parts	2008	広州, Guangdong, 中国	エンジンシステム, 電気系統, サスペンション & ステアリングシステム, 冷却システム
フレックス – N – Gate	1956	Roseville, ミシガン州, アメリカ合衆国	Plastic, Metal, Mechanical Assemblies, Lighting Systems
O’Reilly Automotive	1957	Springfield, Missouri, アメリカ合衆国	Batteries, Brake Pads & Shoes, Headlight Bulb, Winter Car Accessories, Motor Oil, Spark Plugs, Detailing
Advance Auto Parts	1929	Raleigh, North Carolina, アメリカ合衆国	Battery, Oil Filter, オルタネーター, Spark Plugs, Front Brake Pads, Windshield Wipers, Air Filters, Brake Rotors
NAPA Auto Parts	1925	Raleigh, North Carolina, アメリカ合衆国	Replacement Parts, Accessories, Oil & Chemicals, Tools & Equipment, Paint & Body
Cardone Industries	1970	Philadelphia, Pennsylvania, アメリカ合衆国	Brakes, Drivetrain, Electronics, Engine, Fuel, Air & Exhaust, Steering, Motors
Wilwood	1977	Camarillo, California, アメリカ合衆国	Brake Kits, Calipers, Rotors, Hats, Master Cylinders, Pedal Assemblies, Valves & Accessories
Sanden International USA, Inc.	1974	Wylie, Texas, アメリカ合衆国	Piston Compressors, Scroll Compressors, Enhanced Compressors, Super Heavy Duty Compressors, Electrical Compressors
Centric Parts	2000	Carson, California, アメリカ合衆国	Friction, Drums and Rotors, Calipers, Hub Assemblies, Hydraulics, STOPTECH®
Mayco International	2006	Sterling Heights, ミシガン州, アメリカ合衆国	Design, Engineering, Validation, Tooling Services, Manufacturing Services, Sequencing & Logistics
TRAM, Inc.	1986	Plymouth, ミシガン州, アメリカ合衆国	Human Interface System & Controls, Safety Systems, Security System, Electronics
Magna International	1957	オンタリオ, カナダ	Complete Vehicles, Body & Chassis, Electrical / Electronics, Exterior / Interior, Powertrain
F & P America	1993	Troy, Ohio, アメリカ合衆国	Pedal Assemblies, Subframes, Suspension Parts
Kus USA	1984	Davie, Florida, アメリカ合衆国	Thermal Management System, Exhaust Aftertreatment, Liquid Level Sender, Gauge Instrumentation
Arvin Sango INC	1928	Madison, Indiana, アメリカ合衆国	Exhaust Assembly, Catalytic Converters, Stamping (B/C Class), Body Assembly, Manifold Assembly
Aisin Automotive Casting, LLC.	1996	London, Kentucky, アメリカ合衆国	Engine Components, Transmission Components, Transaxle Components
Power Stop LLC	1995	Bedford Park, イリノイ州, アメリカ合衆国	Brake Kits, Brake Kits with Calipers, Big Brake Kits, Brake Pads, Brake Shoes, Brake Rotors & Drums
Austin Tri-Hawk Automotive, Inc.	1998	Austin, Indiana, アメリカ合衆国	Dash Upper Assembly, Dash Lower Assembly, Rear Seat Reinforcement, Rear Panel, Seat Cross Members, Tunnel Assembly
Ksport USA	2003	Mesa, Arizona, アメリカ合衆国	Coilovers, Air Suspension, Brakes, Electronic Damping Kits, Pillowball Mounts, Lowering Springs, Lower Control Arms
Howa USA Holding, Inc.	1955	Metro Detroit, アメリカ合衆国	Interior Trim, NV Products

#1 COWTOTAL Auto Parts

• Year of Establishment: 2008
• Headquarter: 広州, Guangdong
• Major Products: エンジンシステム, 電気系統, サスペンション & ステアリングシステム, 冷却システム.

COWTOTAL is a leadingsupplier and exporter of aftermarket auto parts, offering a wide range of products including ignition systems, EFIシステム, エンジン部品, suspension, and cooling systems for Japanese, アメリカ人, ヨーロッパ人, そして中国車. と 15 長年の経験と 8,000 sq ft production facility, COWTOTAL is committed to high-quality standards, customer satisfaction, and innovation. Recognized as one of the largest auto parts distributors in USA, the company emphasizes reliability, flexible solutions, and continuous product development, backed by a 100% inspection process and skilled professionals dedicated to excellence.

#2 フレックス – N – Gate

• Year of Establishment: 1956
• Headquarter: Roseville, ミシガン州, アメリカ合衆国
• Major Products: Plastic, Metal, Mechanical Assemblies, and Lighting Systems.

Flex-N-Gate specializes in large stamped metal and welded components for the automotive industry. With over 10,000 employees and a global network of manufacturing facilities, the company provides integrated solutions, including product engineering and assembly. Focused on continuous improvement, this auto parts supplier excels in low-volume and prototype production, ensuring defect-free products and timely delivery. Its commitment to quality and efficiency has established it as a top player in the U.S. auto parts manufacturing sector.

#3 O’Reilly Automotive

• Year of Establishment: 1957
• Headquarter: Springfield, Missouri, アメリカ合衆国
• Major Products: Batteries, Brake Pads & Shoes, Headlight Bulb, Winter Car Accessories, Motor Oil, Spark Plugs, Detailing

O’Reilly Automotive as a single store in Missouri, has grown into a dominant auto parts retailer with 6,378 stores across 48 U.S. states, Puerto Rico, Mexico, and Canada. The company aims to be the leading supplier of auto parts by offering the best combination of price, 品質, and service to retail customers, professional installers, and jobbers.

#4 Advance Auto Parts

• Year of Establishment: 1929
• Headquarter: Raleigh, North Carolina, アメリカ合衆国
• Major Products: Battery, Oil Filter, オルタネーター, Spark Plugs, Front Brake Pads, Windshield Wipers, Air Filters, Brake Rotors

Advance Auto Parts, Inc. is a leading automotive aftermarket parts provider that serves both professional installers and do-it-yourself customers. As of October 5, 2024, Advance operated 4,781 stores primarily within the United States, with additional locations in Canada, Puerto Rico and the U.S. Virgin Islands. The company also served 1,125 independently owned Carquest branded stores across these locations in addition to Mexico and various Caribbean islands.

#5 NAPA Auto Parts

• Year of Establishment: 1925
• Headquarter: Raleigh, North Carolina, アメリカ合衆国
• Major Products: Replacement Parts, Accessories, Oil & Chemicals, Tools & Equipment, Paint & Body

National Automotive Parts Association (NAPA) was created by a group of independent auto parts sellers to improve distribution and service for growing transportation needs. Over time, Genuine Parts Company, led by Carlyle Fraser, acquired other NAPA member companies, becoming the sole owner in 2012. NAPA now offers over 800,000 unique parts through 6,000+ stores and 18,000+ Auto Care centers across the U.S.

#6 Cardone Industries

• Year of Establishment: 1970
• Headquarter: Philadelphia, Pennsylvania, アメリカ合衆国
• Major Products: Brakes, Drivetrain, Electronics, Engine, Fuel, Air & Exhaust, Steering, Motors

Cardone Industries is a leading U.S. auto parts manufacturer specializing in remanufacturing automotive components. With a workforce of 5,001 に 10,000 employees, the company focuses on delivering high-quality replacement parts, such as control modules and fuel injection systems, for faulty components. Cardone’s dedication to quality and reliability has earned it a solid reputation in the automotive aftermarket, ensuring customers receive dependable products that meet stringent standards.

#7 Wilwood

• Year of Establishment: 1977
• Headquarter: Camarillo, California, アメリカ合衆国
• Major Products: Brake Kits, Calipers, Rotors, Hats, Master Cylinders, Pedal Assemblies, Valves & Accessories, ProSpindles, Brake Pads, Hubs

Wilwood specializes in high-performance brake systems for vehicles, including cars and motorcycles. と 201 に 500 employees, the company offers a wide variety of products, including calipers, rotors, and brake pads. Wilwood is committed to delivering reliable braking solutions that prioritize power, control, and precision, serving both racing fans and automotive professionals.

#8 Sanden International USA, Inc.

• Year of Establishment: 1974
• Headquarter: Wylie, Texas, アメリカ合衆国
• Major Products: Piston Compressors, Scroll Compressors, Enhanced Compressors, Super Heavy Duty Compressors, Electrical Compressors.

Sanden International specializes in manufacturing automotive parts and components. With a workforce of 501 に 1,000 employees, the company is committed to delivering high-quality products and exceptional customer service. Sanden’s focus on customer satisfaction and efficient operations has established it as a reliable supplier in the automotive industry, providing essential components that meet diverse client needs.

#9 Centric Parts

• Year of Establishment: 2000
• Headquarter: Carson, California, アメリカ合衆国
• Major Products: Friction, Drums and Rotors, Calipers, Hub Assemblies, Hydraulics, STOPTECH®

Centric Parts is recognized as one of the leading auto parts manufacturers in the U.S., specializing in brake products for a variety of vehicles. With a workforce of 501 に 1,000 employees, the company provides an extensive range of components, including brake rotors and pads, aimed at improving vehicle safety and performance. Known for its dedication to quality and reliability, Centric Parts ensures customers receive top-tier braking solutions that adhere to strict industry standards.

#10 Mayco International

• Year of Establishment: 2006
• Headquarter: Sterling Heights, ミシガン州, アメリカ合衆国
• Major Products: Design, Engineering, Validation, Tooling Services, Manufacturing Services, Sequencing & Logistics

Mayco International is a Tier 1 supplier in the automotive sector, employing 1,001 に 5,000 people. The company offers a full spectrum of services, including design, manufacturing, and logistics. With a focus on precision tooling and high-quality parts, coupled with a Just in Time delivery model, Mayco ensures excellent customer satisfaction and streamlined operations across its 47 global facilities.

#11 TRAM, Inc.

• Year of Establishment: 1986
• Headquarter: Plymouth, ミシガン州, アメリカ合衆国
• Major Products: Human Interface System & Controls, Safety Systems, Security System, Electronics

TRAM, Inc. is a prominent player in the automotive components industry, employing 1,001 に 5,000 people. The company focuses on manufacturing essential systems, shift levers, and restraint systems for original equipment manufacturers. With a solid foothold in North America, TRAM serves clients across the U.S., カナダ, and Mexico, committed to providing top-quality automotive parts and accessories.

#12 Magna International

• Year of Establishment: 1957
• Headquarter: オンタリオ, カナダ
• Major Products: Complete Vehicles, Body & Chassis, Electrical / Electronics, Exterior / Interior, Powertrain

マグナインターナショナル株式会社. is a global leader in automotive supply, specializing in the design, development, and manufacturing of automotive systems, assemblies, modules, とコンポーネント. Its extensive product portfolio covers technologies such as body and chassis systems, powertrain systems, 座席システム, そしてエレクトロニクス. With numerous research and development centers worldwide, Magna focuses on advancing technologies for electrification, autonomous driving, and lightweight materials.

#13 F & P America

• Year of Establishment: 1993
• Headquarter: Troy, Ohio, United States
• Major Products: Pedal Assemblies, Subframes, Suspension Parts.

F&P America, based in Troy, Ohio, is a leading Tier-One international automotive systems supplier. The company specializes in producing and assembling high-quality automotive components such as front and rear suspension packages, pedal assemblies, and subframes. Known for its innovative manufacturing techniques and dedication to enhancing quality, F&P America has earned the trust of top automotive brands globally.

#14 Kus USA

• Year of Establishment: 1984
• Headquarter: Davie, Florida, アメリカ合衆国
• Major Products: Thermal Management System, Exhaust Aftertreatment, Liquid Level Sender, Gauge Instrumentation

KUS Technology Corporation is a worldwide supplier of auto parts and assemblies, specializing in SCR post-processing urea sensors, urea tank assemblies, and other essential components for commercial vehicles. The company also provides electrified and intelligent vehicle controllers, as well as PTC water heaters. With manufacturing facilities and subsidiaries across the globe, KUS offers localized services to its customers, including leading commercial vehicle manufacturers, engine suppliers, and construction machinery companies.

#15 Arvin Sango INC

• Year of Establishment: 1928
• Headquarter: Madison, Indiana, アメリカ合衆国
• Major Products: Exhaust Assembly, Catalytic Converters, Stamping (B/C Class), Body Assembly, Manifold Assembly

Sango Co. specializes in automotive exhaust system products, gaining recognition from domestic and international manufacturers as an “approved drawings” supplier. The company’s excellence in stamping and forging technology, combined with its unique position as Japan’s only automotive parts maker with an integrated secondary steel product division, has strengthened its industry presence.

#16 Aisin Automotive Casting, LLC.

• Year of Establishment: 1996
• Headquarter: London, Kentucky, アメリカ合衆国
• Major Products: Engine Components, Transmission Components, Transaxle Components

Aisin Automotive Casting, LLC is a leading brand in producing engine-related functional and die-cast parts crucial for vehicle performance and reliability. The company operates a comprehensive production system that encompasses the entire process, from die-casting to component assembly, effectively meeting the growing demands of automobile manufacturers in the United States.

#17 Power Stop LLC.

• Year of Establishment: 1995
• Headquarter: Bedford Park, イリノイ州, アメリカ合衆国
• Major Products: Brake Kits, Brake Kits with Calipers, Big Brake Kits, Brake Pads, Brake Shoes, Brake Rotors & Drums, Brake Calipers, Pad Wear Sensors

PowerStop, founded by Arvin Scott, is the inventor of the One-Click Brake Upgrade Kit, designed to simplify the process of upgrading vehicle brakes. Their kits, available for 98% of vehicles, include pads, rotors, and hardware, offering a seamless upgrade for models ranging from modern trucks to classic muscle cars. Known for high-quality carbon-fiber ceramic brake pads, PowerStop ensures easy installation with direct bolt-on replacements. Committed to performance and eco-friendly practices, PowerStop also offers 100% copper-free brake pads.

#18 Austin Tri-Hawk Automotive, Inc.

• Year of Establishment: 1998
• Headquarter: あustin, Indiana, アメリカ合衆国
• Major Products: Dash Upper Assembly, Dash Lower Assembly, Rear Seat Reinforcement, Rear Panel, Seat Cross Members, Tunnel Assembly

Austin Tri-Hawk Automotive, a leading manufacturer in the automotive sector, is committed to delivering superior equipment, manufacturing processes, technologies, and communication. As a subsidiary of G-Tekt Corporation, the company supplies parts to prominent Fortune 500 firms. With a focus on producing top-tier automotive assemblies, Austin Tri-Hawk ensures exceptional safety, 耐久性, and longevity in its products.

#19 Ksport USA

• Year of Establishment: 2003
• Headquarter: Mesa, Arizona, アメリカ合衆国
• Major Products: Coilovers, Air Suspension, Brakes, Electronic Damping Kits, Pillowball Mounts, Lowering Springs, Lower Control Arms, Adjustable Endlinks, Air Jack, Hydraulic Handbrake, Replacement Parts, Apparel and Merch

Ksport USA specializes in affordable, high-performance auto parts, including brake and air ride systems. The company has built a global customer base, sustained by a team of skilled innovators with deep industry knowledge. Known for its strong presence in racing organizations, Ksport USA continues to focus on delivering durable and top-quality products while maintaining a loyal following. The company remains dedicated to thriving and advancing within the automotive industry.

#20 Howa USA Holding, Inc.

• Year of Establishment: 1955
• Headquarter: Metro Detroit, アメリカ合衆国
• Major Products: Interior Trim, NV Products

HOWA USA Holding specializes in auto spare interiors and noise & vibration parts, serving customers worldwide. Operating in North America since 2007 with the launch of American Howa Kentucky, Inc., and a sales office in Metro Detroit in 2008, HOWA offers high-quality products at competitive prices. With six strategically located manufacturing facilities in North America, the company provides a wide range of auto parts to meet diverse customer needs.

Factors to Look for the Right Auto Parts Company in USA

With various aftermarket auto parts factories and manufacturers offering a wide range of products, selecting the right one can be challenging. Here are the key factors to consider to fit your needs.

Reliability and Quality of Parts

Reliability is critical when choosing an auto parts supplier. In the aftermarket auto parts industry, products must meet stringent quality standards, including ISO 9001 certification. In fact, studies show that 80% of consumers prefer suppliers with certifications that ensure consistent, high-quality parts that match OEM specifications.

Customer Support and Service

Excellent customer service plays a significant role in vendor loyalty. Research indicates that 70% of auto repair shops and businesses prioritize customer service, with clear communication and responsive support leading to higher satisfaction and repeat business. Companies with 24/7 support services tend to see improved relationships with clients.

Range of Products Available

A wide product range is a major factor in supplier selection. The aftermarket industry, which was valued at over $300 billion in 2023, demonstrates that customers seek suppliers who offer parts across multiple categories, from engine to electrical systems. This variety helps companies meet a broad range of repair and upgrade needs.

Delivery and Shipping Efficiency

Efficient shipping is vital, with 40% of businesses citing fast delivery times as a key factor in selecting a supplier. In industries like automotive repair, where downtime can be costly, companies that consistently meet shipping deadlines build stronger relationships with clients and maintain high levels of satisfaction.

競争力のある価格設定

Affordability remains a top priority, with 65% of customers actively comparing prices before making purchasing decisions. しかし, the price must be balanced with the quality of the product. Competitive pricing is a deciding factor, particularly for aftermarket parts, where consumers expect value without sacrificing durability.

Reputation and Industry Recognition

A strong reputation is essential in the auto parts industry. According to industry reports, 75% of businesses choose suppliers based on positive customer feedback and industry recognition. This reputation often comes from a consistent track record of delivering quality products, excellent service, and reliable delivery.

結論

By considering factors like quality, 顧客サービス, and delivery efficiency, you can find the best supplier for your needs. Whether you’re an auto parts wholesaler or a business owner, choosing the right auto parts manufacturers in USA ensures your parts are reliable and your vehicle stays in top condition. Ready to find your ideal supplier?