Three Stoneridge business units – Stoneridge Pollak, Stoneridge Electronics Europe and Pósitron – serve the aftermarket from three manufacturing locations, including one in North America, two in Europe and South America.


The Pollak brand name has meant quality aftermarket products at competitive prices for more than 70 years. Through a worldwide network of distributors, Stoneridge Pollak offers a full line of replacement products, as well as electrical switches and sensors for new applications. Our aftermarket customers get the advantage of the same engineering excellence that has been attracting major vehicle OEMs to Pollak since 1909.

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Stoneridge Electronics Europe

Stoneridge Electronics Ltd. is a premium supplier of outstanding products and superior service to the light-, medium- and heavy-duty truck aftermarket. These include compliance products such as electronic logging devices, tachographs and tachograph analysis systems, speed limiters and simulators, workshop equipment, charts and accessories. The division’s design and manufacturing history spans four decades, providing the insight and experience to offer highly reliable, robust products, backed by our speedy after-sales service.

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Stoneridge’s Electronic Logging Device

SE5000 Exakt Duo Digital Tachograph

OPTAC Tachograph Analysis Software


Pósitron, PST Electronics brand, is a leader in automotive security in Brazil.  It is present in 96% of retail outlets across the country and is recognized for providing high technology and quality products to market. Through a network of authorized distributors, Pósitron offers a full line of replacement products for stores specializing in automotive accessories, such as: tracking & trace, alarm for cars, motorcycles and trucks, car audio, power door lock and window lifters, parking sensors and blocking systems.