We have been delivering our products to 20 countries in 5 continents for 20 years

Kolben Motor Valve Gayd and Automotive San. Tic. Ltd. Şti. Since the day it was founded, it has been continuing its production with SUNEX brand for all kinds of engine valves in Turkey and abroad with its accumulation and expert technical staff.

As a product group, it produces engine valves, valve glands, baga production and moreover, it markets the production of engine parts of all kinds of vehicles and markets them under its own guarantee by using other manufacturer facilities to a partial extent. SUNEX exports 72% of its production and 28% to the domestic market. Our company manufactures in accordance with the standards of the Turkish Standards Institute such as TS11147 valve standard, TS11148 valve gland standard.

SUNEX, which meets the needs of today's and future's motor vehicles in the automotive sector and standardises performance, reliability and quality values, addresses the market with easily accessible and abundant products in Turkey and many countries of the world in the valve, gland and bag parts in the engine parts and continues on its way with the philosophy of addressing all countries of the world.

Production, marketing and logistics activities from raw materials to the market; SUNEX brand meets with its customers in the light of ISO 9001-2008 quality management system standard conditions.

The products in each package moving from our facility to the market receive the SUNEX brand by passing 100% final mechanical and technical evaluation.

Our products, which are installed on every motor vehicle in every region of the world under the SUNEX brand, always carry the same trust and quality understanding since we act with the principle of meeting 100% customer satisfaction. In short; we say SUNEX in quality to every motorised vehicle moving on earth.

Sunex Board of Directors