Sonnax is a diversified supplier of specialized drivetrain products to the automotive and commercial vehicle industries, and to industrial sectors utilizing drivetrain technology.

Transmission Specialties!

Transmission Parts
Sold under the label Transmission Specialties®, Sonnax transmission parts are known in the automatic transmission repair industry for effectively restoring full operation of automatic transmissions and salvaging expensive valve bodies. The Transmission Specialties product catalog has become the de facto industry instruction manual, guiding builders from transmission complaints to product solutions. Popular Sure Cure® kits provide the key products to repair a particular unit. For more on performance transmission products, click here.


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Torque Converters!

Torque Converter Parts
Sonnax is the acknowledged global leader in the manufacture and distribution of torque converter components for standard and high performance converters. A full line of components ranges from precisely machined billet-steel converter covers to the smallest washer or o-ring. Torque converter remanufacturers worldwide confide in Sonnax to provide superior products, the highest level of customer service, and responsive technical support.

 
Driveline and PowerTranSavers!

Power Train Savers® / Driveline Components
The Power Train Saver is a unique drivetrain protection device that can be used on virtually anything that is shaft driven. When an over-torque situation occurs, a system of shear pins called Torque Fuses will shear while the PTS unit continues to hold the shaft in position, avoiding damage to expensive driveline components. This is a must for applications where downtime is not acceptable. In addition, Sonnax offers a complete line of aluminum driveshaft components and tubing for the driveline industry.
 
High Performance!

High Performance Parts
Sonnax provides high performance components for automatic transmissions and torque converters for racing and other extreme service conditions. A full line of components for the Powerglide transmission, a longtime staple of performance racing, is complemented by a growing line of enhanced products for other popular heavy duty, performance applications. Sonnax also offers informed technical support to builders in selecting parts to fit their performance requirements.
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This website and all of its contents are the intellectual property of Sonnax Industries, Inc. No portion of this work may be reproduced or transmitted in any form or by any means, mechanical or electronic, including photocopying and/or recording, or by any other information storage and/or retrieval system without the prior written consent of Sonnax Industries, Inc. Sonnax customers may use the part numbers only for the limited purpose of placing orders with Sonnax or otherwise operating their business, but in no case is permission granted to any customer, business entity, or individual to utilize the part numbers in order to compete with Sonnax. © 2008 Sonnax Industries, Inc. Sonnax Transmission, Torque Converter, Performance, Driveline, Allison® Replacement Parts for automotive aftermarket rebuilders.