Freudenberg-NOK Sealing Technologies Acquires Alto Products to Expand Aftermarket Reach

The acquisition of Alto Products enables FNST to expand its product offerings, improve vertical integration, and grow in heavy-duty and recreational vehicle markets, while enhancing supply chain resilience and risk management.
Nov. 17, 2025

Key Highlights

  • Strengthens FNST’s presence in North American and global markets, especially in heavy-duty and recreational vehicle segments.
  • Enables complete transmission rebuild solutions, supporting growth and diversification.
  • Welcomes Alto’s skilled team, reinforcing FNST’s commitment to high-quality, comprehensive solutions.

Freudenberg-NOK Sealing Technologies (FNST), together with its aftermarket division Coretco, has acquired Alto Products Corp. Alto Products Corp is the world's oldest and largest independentlly owned manufacturer of clutch plates and automatic transmission parts.

This acquisition is great for FNST because it strengthens its position in the North American and global aftermarket.

“With the acquisition of Alto Products Corp., we are not only expanding our product portfolio but also reinforcing our commitment to delivering comprehensive, high-quality solutions to our customers. Alto’s legacy, technical expertise, and strong brand presence in the aftermarket align perfectly with our strategic vision,” said Dr. Christian Dickopf, Senior Vice President of Freudenberg-NOK Sealing Technologies’ Corteco Division."

This acquisition will enable FNST to offer complete transmission rebuild solutions. It also allows for growth in heavy-duty and recreational vehicle segments, enhances vertical integration, improves risk management, and strengthens supply chain resilience. 

Judy Love, North American Vice President of the Corteco division, said, “This partnership strengthens our ability to deliver comprehensive solutions to customers across North America and globally. We are excited to welcome Alto’s skilled team into the Freudenberg organization.”

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