Oil Seals

KOK has many different oil seal materials and types. Therefore, for an oil seal to show its capabilities, it is imperative to understand its operating conditions and then to choose the most suitable oil seal.

O-Rings And Static Seals

KOK O-rings are manufactured in a meticulous environment with the highest quality materials and processes to ensure your O-Rings keep air and gas in, and everything else out.

Anti Vibration Bushings and Mounts

Our range of premium quality anti vibration components includes a wide variety of bushings and mounts to reduce engine vibration and noise transmission.

Boots and Bellows

KOK offers an extensive range of boots and bellows guaranteed to keep dirt, debris, moisture, and other contaminants out of your drivetrain, transmission, suspension, steering, and other critical systems.

Chain Dampers (Tensioners & Guides)

KOK Chain Tensioners and Guides are trusted by motorcycle OEMs around the world for our high quality and durability, but our capabilities go far beyond that.

Air Flow Tubes

Reed Valves

KOK produces a wide range of reed valves for use in small engines, scooters, motorcycles, and automobiles.

Continuously Variable Transmission Parts

OEMs rely on KOK for CVT parts including weight rollers and sliders for low and high engine capacities. We are committed to manufacturing high-quality continuously variable transmission parts that increase the lifespan of your engines and improve the experience of your customers.

Intake Manifolds

KOK manufactures intake manifolds and inlet pipes for motorcycle and outdoor power equipment applications, supplying OEM customers worldwide. Our intake manifolds are engineered for durability, dimensional stability, and reliable performance under demanding operating conditions, including exposure to gasoline and E85 fuels.

Rubber Parts, Packings, Seals & Gaskets

When it comes to automobiles, motorcycles, industrial equipment, and other machines, KOK understands that even the smallest parts matter a great deal. We offer a wide range of premium quality rubber parts, seals, & gaskets to keep contaminants out of your critical systems.

Plastic Parts

KOK’s plastic parts portfolio focuses on functional components used within powertrain, chassis, and fluid-related systems. These parts are developed either as customer-specific designs or as application-driven components.

Metal Parts

KOK supplies a range of metal components used in automotive drivetrain, steering, and chassis assemblies, primarily to support integrated programs alongside KOK’s polymer and elastomer-based products. KOK is chosen by OEMs time and again because of our efficiency, quality, and commitment to our customers.

Brake Parts

When quality, durability, and long-term supply stability matter, OEMs around the world rely on KOK for brake components manufactured to demanding performance and production requirements. With more than 60 years of experience supplying automotive OEM programs, KOK has developed deep expertise in brake component manufacturing for automotive and mobility applications.