What is the difference between OEM and Aftermarket Auto Parts

OEM parts and aftermarket parts are commonly used to replace vehicle components when damage occurs. Choosing between OEM and aftermarket auto parts depends on factors such as needs, budget, and intended use. The article below provides detailed information to help customers distinguish between OEM and aftermarket auto parts.

Distinguishing OEM and Aftermarket Auto Parts

OEM and aftermarket auto parts are designed to meet customer needs when choosing replacement parts for repairs or maintenance.

OEM Auto Parts

OEM (Original Equipment Manufacturer) auto parts are genuine parts produced by the original equipment manufacturer and supplied to automakers for vehicle assembly, meeting the quality and technical standards of each vehicle line.

Aftermarket Auto Parts

Aftermarket parts are equivalent components produced by third parties or independent companies (not the original manufacturer), based on specifications similar to genuine products.

Reputable Auto Parts Manufacturers & Suppliers

Thaco Parts

Thaco Parts (under THACO INDUSTRIES) is a leading manufacturer and supplier of OEM components in Vietnam. Thaco Parts’ products are manufactured according to each brand’s design standards. As a trusted strategic partner of many major enterprises, Thaco Parts understands production process requirements and ensures product quality that meets global standards.

Thaco Parts manufactures and supplies a wide range of OEM components including glass, leaf springs, air-conditioning systems, wiring harnesses, condensers, and interior–exterior parts for trucks and buses, passenger cars, and motorcycles… for automakers such as Kia, Mazda, Peugeot, Toyota, Hyundai, Isuzu… and exports to major markets like the U.S., Australia, Russia, Canada, South Korea, and Japan.

Hanon Systems

Hanon Systems is an auto parts manufacturer with more than 30 years of experience. The company provides solutions for energy management, thermal management, and in-vehicle air-conditioning systems.

Hanon Systems’ products include thermal management, powertrain systems, cooling modules and capacitors, compressors, fluid transport, controllers, and ion generators.

Mando

Founded in 1962, Mando is an auto parts manufacturer supplying many automakers such as Cadillac, Suzuki, Chrysler, Ford, Chevrolet, BMW, Nissan, and Kia Motors,…

Mando’s product lines are manufactured to Korean standards and include chassis systems, steering systems, braking systems, and electrical systems such as starters, alternators, and distributors… as well as commonly replaced parts like oil filters, air filters, engine gaskets, and water pumps, etc.

CTR

CTR is a Japanese auto parts brand with more than 40 years of experience. Currently, CTR supplies products to markets such as Japan, South Korea, Europe, & the U.S.

CTR’s core products include steering, suspension, driveline, and braking systems for automobiles. In addition, CTR also supplies a variety of parts such as tie-rod ends, control arms, and rubber components, etc.

DOOWON

DOOWON was founded in August 1994 and is headquartered in Asan, South Korea. The company specializes in producing automotive driveline systems, resistors, fuel control devices, and air-conditioning equipment to global quality standards.

DOOWON’s product lines include compressors, sensors, A/C units, and friction discs. DOOWON systems supply OEM parts to renowned automakers such as Hyundai, Kia, Volkswagen, and General Motors, etc.

AUTOCLOVER

Founded in 1974, AUTOCLOVER is the largest auto parts manufacturer in South Korea, supplying various vehicle lines such as Hyundai, Kia, Chevrolet, Cadillac, Toyota, Honda, Nissan,…
AUTOCLOVER pursues technical innovation and green, eco-friendly technologies to deliver high-quality products and services to customers.

AUTOCLOVER’s auto part lines include: rain guards/deflectors, door handle covers, fuel cap covers, and mirror garnish… for many vehicle brands such as Hyundai, Kia, Chevrolet, Cadillac, Toyota, Honda, and Nissan.

Valeo

Valeo is a long-established auto parts brand with manufacturing facilities in many countries, including the U.S., Germany, China, South Korea, and Malaysia.

Valeo’s core product lines include driver-assistance systems, powertrain systems, thermal systems, and display systems. In addition, Valeo produces signature products such as clutch kits (pressure plate & disc), headlights, taillights, and fog lamps, etc.

SECO

SECO is a specialized auto parts company established in 2004, operating in the industrial, energy, and distribution sectors.

SECO’s main product lines include clutch pressure plates, release bearings, clutch discs and covers, brake components, camshafts, suspension components, vibration dampers, and pumps.

FAG

FAG is a German auto parts brand (part of the Schaeffler Group) founded in 1905. FAG specializes in manufacturing and supplying a wide range of bearings, bearing housings, and many other industrial components.

Ford

Ford is a multinational automaker headquartered in Michigan (USA), founded in 1903. Ford operates manufacturing plants in many countries such as Canada, Mexico, the UK, Germany, Brazil, Argentina, Australia, China, and the Southern Africa region.

Representative Ford parts and accessories include floor mats, door sill plates, and bed covers,… for models such as the Ford Ranger, Ford EcoSport, Ford Everest, Ford Fiesta, Ford Transit, Ford Explorer, and F-150.

The above provides detailed information to help “Distinguish OEM and Aftermarket Auto Parts”. If you’re looking for a high-quality OEM auto parts manufacturer, THACO INDUSTRIES delivers end-to-end OEM manufacturing and all-in-one solutions from its 320-hectare complex in Viet Nam, supplying global partners across five continents. Contact us here.