Three generations of expertise.

For around 50 years, Hafner Manufacturing Company has been a world power in piston ring engineering and manufacturing.

1982 constitutes a turning point in the company’s 50 years of history, as it is then that the decision to start manufacturing piston rings for the automotive market was made. This decision determined the future course for the company. Constant business growth, systematic expansion of the product range and improvement of technical quality have made us a reliable and renowned commercial partner on the domestic and international markets.

And today Hafner piston rings are used in passenger cars, farm tractors, industrial motors, heavy-duty transportation, agriculture, small engines,compressors, hydraulic equipment and more. By constant growth, systematic expansion of the product range and improvements in technical quality.

Our rings function in sets, usually a top compression ring, second groove compression (or oil scraper) ring, and oil control ring in five kinds ( Coil Spring Loaded, Hflex, Uflex, Sflex, Uflex-Reflexive) and range from 1.125″ to 8.875″ bores. our engineers directly available to our customers. We can give you expert recommendations.

In order to speak with one of our expert engineers about your product, simply complete the contact form and we’ll contact you as soon as possible. Your privacy is important to us. We will never sell or share the information.