In close cooperation with our partners in the industry, all our products are developed and designed in our own factories. This involves using cutting-edge planning and production techniques. Most of our products are protected by patents.
Radiator caps
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| VW | Ford | Mercedes | BMW | GM | GM |
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| Audi R8 | Mercedes | VW | BMW | VW |
Tank filler caps
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| Mercedes / Volvo / MAN | Mercedes | DAF/VW | RVI | Mercedes | VW |
Oil filler caps
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| BMW | BMV | VW | VW |
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| Mercedes | Mercedes / Maybach | Rolls-Royce |
Filler necks and sieves
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