NOK

NOK is a Japanese manufacturer founded in 1941, specializing in sealing elements for engines, transmissions, and chassis components. The company is a key supplier of oil seals and valve stem seals for automotive assembly lines. Products are engineered to meet strict sealing performance requirements. The brand is part of the NOK Corporation.

Country

Japan

Brand History

1. 1941: Founding of Nippon Oil Seal Industry Co., Ltd. 2. 1960: Start of technical partnership with the German company Freudenberg. 3. 1985: Official name change to NOK Corporation. 4. 2000s: Expansion of production facilities across Asia and North America.

Key OEM Customers

Toyota, Honda, Nissan, Mazda, Mitsubishi, Subaru, Suzuki, Isuzu.

Type

Manufacturer/OEM Supplier

Ecology

The company implements non-fluorinated material technologies and reduces the use of hazardous substances in manufacturing processes in accordance with ISO 14001 standards.

Brand Authentication

Marking on products is applied via laser engraving, ensuring resistance to abrasion. Oil seal housings often feature size markings and a batch code index consisting of 3-4 characters. Specific color codes are used on the inner lip to identify the material type.

Certificates

ISO 9001, ISO 14001, IATF 16949.