Best Bosch Automotive Parts Suppliers

Impro (China) Limited

🇨🇳 China

1998

5001-10000 people

Manufacturer/Service Company

High capacity factory

Established brand

Large enterprise group

OEM manufacturer

Shipments

6947

Key customer

BORGWARNER TURBO EMISSIONS SYSTEMS DE MEXICO SA DE CV

Key market

North America

Description

Impro (China) Limited, a subsidiary of the Impro Group, is a global top 10 manufacturer of high-precision, high-complexity, and mission-critical components. Founded in 1998 and headquartered in Wuxi, the company operates as a comprehensive one-stop-shop service provider for industries including automotive, aerospace, medical, and energy. With a global workforce of over 7,000 employees and 21 manufacturing facilities across seven countries, the company offers localized production and near-sourcing solutions for international markets. Impro specializes in four core business areas: investment casting, sand casting, precision machining, and surface treatment. Their technical capabilities are extensive, producing investment castings up to 80kg and sand castings up to 20 tons, alongside micron-level precision machining for hydraulic components. Key products include engine fuel system parts, transmission components, exhaust manifolds, surgical instruments, and medical implants. The company is a trusted contract manufacturer for industry leaders such as Bosch, Caterpillar, Cummins, Honeywell, and GE Aerospace. Operating with IATF 16949, ISO 9001, and ISO 14001 certifications, Impro manages the entire product life cycle from tooling design and heat treatment to final finishing and laboratory services.

Automotive Parts - Investment Casting$3000

Sand Casting Parts$3000

Industrial Parts - Investment Casting$3000

Ningbo Keda Seiko Technology Co., Ltd.

🇨🇳 China

2003

201-300 people

Manufacturer/Trading Company/Wholesaler

Established brand

OEM manufacturer

ODM manufacturer

Product customization

Key customer

BOSCH

Key market

Asia

Description

Ningbo Keda Seiko Technology Co., Ltd. is a specialized manufacturer and trading company headquartered in Ningbo, China. Established in 2003 and listed on the National Equities Exchange and Quotations (NEEQ: 837577), the company has grown into a leading provider of automotive braking system components, employing between 201 and 300 professionals. The firm integrates research and development, mold design, and independent production to deliver high-quality aluminum alloy castings and precision CNC machined parts. The company's core product portfolio includes automotive brake master cylinders, brake calipers (single-piston, heavy-duty, and electric vehicle variants), brake brackets, steering knuckles, and motorcycle brake oil pumps. Utilizing advanced manufacturing techniques such as forging and casting, they provide OEM and ODM services for a diverse range of vehicles, including sedans, SUVs, luxury cars, and commercial trucks. Their technical expertise is supported by 31 patents and a focus on innovation in lightweight and high-performance materials. Ningbo Keda Seiko Technology maintains rigorous quality standards, holding IATF 16949, ISO 14001, and ISO 45001 certifications. Recognized as a "Specialized and Sophisticated" enterprise and a National High-Tech Enterprise, the company serves a prestigious global clientele, including major automotive industry leaders such as Bosch, ZF, SAIC, and BYD. Their comprehensive capabilities in raw material procurement and compliant inspection processes ensure reliable supply chain solutions for international markets.

Aluminum Die-cast Parts Made of Low-pressure Die-cast Aluminum Alloy for Automotive Parts$0.1

Aluminum Low-pressure Precision Die-casting of Motorcycle Parts for Manufacturers$0.1

Shenzhen Precisioner Diecasting Mold Co., Ltd.

🇨🇳 China

2009

201-300 people

Manufacturer

OEM manufacturer

ODM manufacturer

Small batch production

Product customization

Shipments

736

Key customer

TEKNIA TEPEJI SA DE CV

Key market

🇺🇸 United States

Description

Shenzhen Precisioner Diecasting Mold Co., Ltd. is a professional manufacturer established in 2009, specializing in integrated solutions for aluminum, zinc, and magnesium die casting molds. Based in Shenzhen, China, the company operates a facility exceeding 20,000 square meters and employs between 201 and 500 personnel, including over 160 specialized technicians. As a contract manufacturer and ODM provider, the company focuses exclusively on mold engineering rather than mass part production, offering a comprehensive service range that includes design optimization, budget analysis, CNC prototyping, and the manufacturing of rapid prototype molds, mass production molds, and matching trim dies. The company is ISO 9001 certified and maintains a CNAS certified laboratory, with molds designed to meet NADCA standards. Their production capabilities support High Pressure Die Casting (HPDC) molds compatible with machines ranging from 60T to 6600T. Since its inception, Precisioner has supplied over 6,000 sets of molds to a global clientele across North America, Europe, and Asia. Their expertise serves diverse high-precision industries, with a significant focus on automotive (50% of business), telecommunications, medical equipment, and the emerging E-mobility sector. Precisioner provides end-to-end lifecycle support, including mold maintenance, repair, and refurbishment. To facilitate international trade, which accounts for a substantial portion of their operations, the company maintains a dedicated office in Hong Kong. Their commitment to transparency is reflected in their detailed RFQ process, providing clients with comprehensive cost breakdowns for material, machining, and administration.

Al Trimming Tool for Automotive Part$4000

Toolings for Aluminum Die Casting Parts$1000

Outong Auto Spare Parts Co; Ltd

🇨🇳 China

2006

11-50 people

Manufacturer/Trading Company

Own brand

OEM manufacturer

Product customization

Industry association member

Key customer

ACDELCO

Key market

North America

Review

4.8

Description

Outong Auto Spare Parts Co; Ltd, also known as Ruian Outong Auto Parts and operating under the brand OSIAS, is a professional industrial and trading enterprise established in 2006. Based in Wenzhou, China, the company specializes in the research, development, and manufacturing of high-quality automotive and motorcycle components, with a primary focus on fuel system solutions. Their extensive product portfolio includes fuel pumps, fuel pump assemblies, high-pressure fuel pumps, carburetors, fuel injectors, and fuel pressure regulators. Beyond fuel systems, they provide a diverse range of auto parts such as thermostats, water pumps, control arms, power steering pumps, and tonneau covers. As a certified manufacturer with ISO 9001 and ISO 14001 standards, Outong operates a factory with over 10 production lines and a dedicated R&D team. They offer comprehensive OEM, ODM, and contract manufacturing services, producing over 1,000,000 fuel pumps annually. Their products are engineered to meet or exceed OEM specifications, often utilizing high-grade components like German-imported rotors and carbon brushes to ensure durability and performance. With over a decade of experience in the global aftermarket, Outong has established a strong international presence, particularly in North America. They serve a wide range of applications, including passenger vehicles, marine engines, motorcycles, ATVs, and agricultural equipment. The company is recognized for its ability to provide reliable, affordable solutions for major brands such as Ford, Toyota, Harley-Davidson, and Polaris, maintaining a commitment to quality assurance and efficient global distribution.

Cooperative Engine System Fuel Pump Automotive Parts 16700-HR3-A21 16700HR3A21 16700-HL5-A01 16700-HL3-A00 23220-0C201$3.61

High Quality Fuel Pump for FORD Audi VOLVO VW Automotive 0986580372 0004706094 for Gasoline Oil & Fuel Pump Parts 5102594AA$9.03

External High-pressure Fuel Pump Modification for 0580254044 High-flow High-pressure Automotive 12V Racing Modification$61.08

Arctic for Cat Wildcat F20000297 Fuel Injection Pump Compatible with 0570-435 Model Product Type Fuel Pump & Parts Manufacturer$16.67

Automobile Parts - Fuel Pump 17045-T0A-000 17045-T0C-T50 17045-T0C-T51 for Honda CR-V T0A-T50 16700-HR3-A21 16700-HL5-A01$3.6

Hebei Congben Vehicle Fittings Co., Ltd.

🇨🇳 China

2016

51-100 people

Manufacturer/Trading Company

OEM manufacturer

Low MOQ

Custom packaging

ODM manufacturer

Shipments

190

Key customer

JAROMA S A

Key market

North America

Review

Automotive Oil Filter 03L115562 Automotive Oil Filter for Sale$1.1

Automotive Engine Parts Air Filter OEM 04891916AA$0.98

High Quality Automotive Air Carbon Filter 8100240xsz08A Air Conditioner Automotive$1.1

Automotive Oil Filter Auto Spare Part 06j11543q Filter Oil$1

Motorcycle Spare Parts 90919-01247 Wholesal Automot Spark Plug$0.8

Congben Me017242 Air Filter Wholesale Automotive Car Engine Parts$2.06

Wholesale Automotive Filters 16546-9s001 Spare Parts Car Filter$1

Automotive Part Oil Filter 11427640862 Oil Filter Wholesal Distributor$1

Automotive Auto Spare Parts Oil Change Filter 90915-30001-8t$0.78

Congben Wholesale Automotive Spare Parts Element PU Air Filter 1110940204$7.15

Automotive Engine Air Filter 28113-4h000 Car Parts Air Filters$0.6

Auto Parts Accessories Air Filter 28113-1X000 Automotive Air Filters$1

Di.Pa. Sport Srl

🇮🇹 Italy

2008

101-200 people

Manufacturer/Distributor/Wholesaler/Service Company

Eco-friendly supplier

Low MOQ

Industry association member

Shipments

Key customer

SAYKAL ELEKTRONIK ANONIM SIRKETI

Key market

Asia

Description

Di.Pa. Sport Srl is a prominent Italian manufacturer, distributor, and contract manufacturer specializing in the automotive spare parts sector. Founded in 2008 and headquartered in Cortemaggiore, the company has established itself as a key international player with a business model centered on the circular economy. It operates from a 16,000 sqm facility and employs between 101 and 200 professionals, generating an annual revenue between US$10 million and US$50 million. The company is recognized for its highly specialized remanufacturing processes, providing sustainable alternatives for components that are often no longer available as new from original car makers. The company's extensive product portfolio includes over 65,000 part numbers across electrical, electronic, and mechanical systems. Core specializations include fuel systems (petrol, diesel, LPG, and CNG injectors), turbochargers, EGR valves, engine control units (ECUs), and AdBlue tanks. They also provide advanced components such as electric steering columns, air suspensions, ABS control units, and intake manifolds. Di.Pa. Sport serves a diverse range of sectors, including passenger cars, commercial trucks, and agricultural vehicles. As an official distributor for numerous global brands and a strategic partner to major automotive networks, Di.Pa. Sport combines technical expertise with robust research and development. Their capabilities extend to specialized repair services for complex electronic systems and the production of both genuine and aftermarket parts. The company maintains a strong market position by focusing on niche products and high-performance steering and braking components, ensuring rapid delivery and effective technical support for workshops and distributors worldwide.

Premium Quality Eps195N Original Automotive Spare Parts Steering Gears Anti-Corrosion Steering Gears$1280

Reliable Italian Brand Eps195N Original Automotive Spare Parts Cost-Effective Steering Gears For Wholesale$1280

Wholesaler Remanufactured Eps144R Steering Gears High-Performance Automotive Steering Gear$290

Best Quality 77366838 Automotive Supplies Injector Gpl/Cng Vercesi Gas 2 Degree Gen. Blue Cap$33.53

Wholesale Manufacturer Col026Dpsn Aftermarket Spare Parts Durable Intake Manifold With Actuator$235

Superior Quality 9813930180 Car Spare Parts Adblue Injection Dosing Module Psa Opel 1.5 1.6 2.0$46.25

Made in Italy 166002137R Auto Spare Parts Injector Gpl/Cng Vercesi Gas 1 Generation Orange Cap Equal to Landi Injector$31.22

Cailong Metal Spring Manufacturing Co., Ltd.

🇨🇳 China

1970

301-500 people

Manufacturer/Trading Company

Established brand

OEM manufacturer

ODM manufacturer

Product customization

Key customer

ALTRA MOTION

Key market

North America

Description

Cailong Metal Spring Manufacturing Co., Ltd., a subsidiary of Kowloon International Industries Co., Ltd. (KC Industries), is a high-tech enterprise and a leading manufacturer and trading company based in Dongguan, China. Established in 1970, the company boasts nearly 50 years of experience in hardware product manufacturing, specializing in precision springs, progressive stampings, machined components, and assemblies. With a workforce of 301-500 employees and operating a 25,000-30,000 sqm factory, Cailong Metal Spring offers comprehensive capabilities in stamping, machining, turning, and wire forming. They provide OEM and ODM services, designing and manufacturing continuous molds in-house. The company is certified with ISO 9001, ISO 14001, IATF 16949, and ISO 13485, underscoring their commitment to quality and industry standards. Their extensive product range includes compression springs, tension springs, torsion springs, wire forms, metal stampings, CNC machined parts, shafts, and screws. These products cater to diverse industries such as automotive (serving clients like Chery, Geely, Toyota, Nissan, Audi, BMW), medical (WEST MEDICAL, JOHNSON MEDICAL), electronics (Samsung, PHILIPS, SONY, Huawei, Xiaomi), aviation, electrical appliances, and consumer products. Cailong Metal Spring has a strong international presence, exporting to North America, the Middle East, and Southeast Asia, and is recognized as a Tier 1 Supplier in the Automotive Industry.

Custom OEM Stamping Metal Parts Stainless Steel Nickel Plated for Automotive$0.02

Seitz (Changzhou) Motion Control System Co., Ltd.

🇨🇳 China

2000

51-100 people

Manufacturer/Trading Company

Established brand

High-tech enterprise

ODM manufacturer

Product customization

Shipments

445

Key customer

SOUTHWEST MOLD

Key market

🇺🇸 United States

Review

Automotive HVAC Car Warm Heater Control Water Valve$5.98

OEM Servo Motor Actuator for Automotive Car HVAC System Air Conditioner$9.85

24V Small Electric Servo Motor with High Torque for Automotive HVAC Stepping Motor Actuator$10.08

Customizable Automatic Water Flow Control Actuator Valve for Car and Bus HVAC System Motors Product$17.85

Cooler Fan Spare Parts Air Conditioning Ducting System HVAC air Damper Motor$9.85

Auto Parts Step Motor Driven Multi Stop Position Control HVAC AC Blend Door Fresh Air Door Actuator$10.08

Shenzhen Weixinye Electronics Co., Ltd.

🇨🇳 China

2018

11-50 people

Manufacturer/Distributor/Wholesaler/Trading Company

Eco-friendly supplier

Industry association member

OEM manufacturer

ODM manufacturer

Shipments

Key customer

HERNANDEZ ALVARO

Review

Description

Shenzhen Weixinye Electronics Co., Ltd., operating under the brand WEIXY Electronics, is a specialized manufacturer, distributor, and wholesaler of automotive electronic components and diagnostic solutions. Based in the Huaqiang North electronics hub of Shenzhen, China, the company has established itself as a professional supplier of ECU chips, automotive repair kits, and programming tools since its founding. The company operates with a dedicated team of 11 to 50 employees and maintains a production facility equipped with multiple production lines, offering both OEM and ODM services to international clients. Their comprehensive product portfolio focuses on automotive electronics and repair assistance, including ECU parts such as ignition and fuel injection driver ICs, BCM, ABS, and ESP chips, as well as memory parts, relays, and stepper motors. Shenzhen Weixinye is particularly recognized for its advanced test platforms and adapters, which support CAN-BUS and LIN-BUS communication for bench-testing control units. These solutions cater to a wide range of vehicle brands, including Mercedes-Benz, BMW, Toyota, Volkswagen, and Volvo, as well as heavy-duty trucks and excavators. In addition to hardware components like EEPROM and Flash chips, the company provides specialized locksmith tools, ESL emulators, and CAN blocker filters. Their commitment to quality is backed by ISO 14001 and GMP certifications, ensuring reliable performance for automotive professionals and locksmiths worldwide. With a history of participating in international trade events like Automechanika, the company continues to expand its global footprint by providing high-quality Japanese-material cables and rigorous testing standards for its diagnostic and programming equipment.

MLX15120DB chip use for automotive$7.8

F5063 chip use for automotives$3

40092 chip use for automotives$9.5

3150536000 chip use for automotives$4.5

14512BG chip use for automotives$4.3

70023BB chip use for Automotive$6.7

09352534 chip use for automotive$1.4

K3900 chip use for automotive$2.9

R01F resistor use for Automotive$1.4

70886FB chip use for automotive$6.2

B55 chip use for Automotive$6

9241A chip use for automotive$4.9

Yueqing Kinkong Electric Co., Ltd.

🇨🇳 China

2013

51-100 people

Manufacturer/Trading Company

OEM manufacturer

ODM manufacturer

Product customization

Custom packaging

Shipments

1564

Key customer

HARINDRA INDUSTRIAL

Key market

Asia

Description

Yueqing Kinkong Electric Co., Ltd. is a full-service manufacturing and trading company based in Yueqing, China, specializing in automotive electrical components and accessories. Established in 2009, the company has grown to employ 51-100 people and generates an annual revenue between USD 50,000,001 and 100,000,000. Kinkong Electric is a key player in the automotive aftermarket industry, offering a comprehensive range of products including automotive connectors, wiring harnesses, ECU connectors, terminals, and various seals and rubber components for waterproof applications. They are recognized for their extensive selection of over 6,000 different connectors, including DEUTSCH, SUPERSEAL, JWPF, Weather Pack, AMPSEAL, and HDSCS series, as well as custom cable solutions and wiring harnesses. The company operates a factory and provides OEM and ODM services, supported by independent R&D capabilities and an innovative engineering team. Kinkong Electric holds ISO 9001 and TS16949 certifications, ensuring high-quality products that are strictly consistent with original standards. They serve a global customer base, including major clients like Geely and Great Wall Automobile, and export to North America, South America, Eastern Europe, Southeast Asia, Oceania, the Mid East, Eastern Asia, and Western Europe.