Sonnax, a leading global supplier in the automotive aftermarket industry, specializes in transmission, torque converter, and driveline parts. With a mission to be the leader in bringing innovative and high-quality drivetrain components to the market, Sonnax delivers top-notch products accompanied by exceptional customer service. Whether you're in need of transmission units or individual parts, Sonnax offers a wide range of options that cater to various vehicle models such as 4L60E, 68RFE, and 6L80, among others.

Sonnax is also known for its shift repair kits, drop-in repairs featuring the Zip Valve™ technology, and a comprehensive tool shop to support automotive technicians. The brand's remanufactured valve bodies, performance and heavy-duty parts, torque converters, and driveline components are all designed to meet the highest industry standards. For all your drivetrain needs, Sonnax is the reliable and trusted brand that enthusiasts and professionals rely on