Sonnax offers cutting-edge transmission, torque converter and driveline products for the automotive aftermarket. Get hundreds of free tech resources online 24/7.

Discover premium quality transmission parts with unmatched reliability, durability & value. Trusted by transmission remanufacturers & valve body rebuilders since 1978.

Vacuum testing saves time, money and prevents comebacks by allowing you to easily identify the root cause of transmission problems and evaluate the effectiveness of repairs.

Everything you need for a successful torque converter rebuild. Sonnax is the world's leading, full product line supplier of aftermarket torque converter components for domestic, import, industrial, racing and heavy-duty converters.

Sep 28, 2017 · Ford E4OD and 4R100 units often display shifting irregularities which can be traced to problems with accumulator control valves. Wear ridges form as the valve moves in and out of the bore.

Contact Sonnax for comprehensive assistance with Sonnax transmission, torque converter and driveline products. Call, email or use the contact us form to submit general questions or comments.

Sep 30, 2005 · Sonnax kit SC-AODE-1 has been discontinued and replaced by Sonnax Zip Kit AODE-4R75E-ZIP. Sonnax Zip Kit AODE-4R75E-ZIP targets the root cause of multiple concerns by sealing critical circuit pressure losses in the valve body.

Mar 29, 2022 · Sonnax Transmission parts for Jatco, Nissan JF011E (RE0F10A) applications

From daily drivers and street/strip upgrades to 500+ HP racing applications, find your 700R4, 4L60E, 4L65E, 4L70E performance transmission solutions here.

True collaboration toward a common goal is not something you see everyday, but that is what the Sonnax TASC Force is all about. The Sonnax Technical Automotive Specialties Committee (TASC) Force is composed of experienced transmission rebuilders and technicians who value technical innovations and have hands-on understanding of the …