Transmission Digest's 2021 Supplier Profiles

Transmission Digest’s 2021 Supplier Profiles

The following pages contain powertrain industry profiles, key people and product information from leading companies in the marketplace. These profiles typically serve as an introduction for companies participating in autumn trade shows which, this year, have been canceled due to the Covid-19 crisis.

Companies include: Evolution Driveline; Freudenberg NOK; Jasper Engines & Transmissions; Precision International; Raybestos Powertrain; Sonnax; Stellar / Lubegard; Transmission Specialties; WIT; and Zumbrota Drivetrain.

Download the PDF for the 2021 Supplier Profiles.

You May Also Like

2024 State of the Powertrain Industry

The Transmission Digest Annual Survey of Retail Shops has served as benchmark and planning tool for the industry now for the past 38 years. Charts and tables in this study are based on a survey of subscribers that was conducted early this year.  Where differences are obvious, we separate the responses of transmission specialty shops

state-on-industry-feature-1400

The Transmission Digest Annual Survey of Retail Shops has served as benchmark and planning tool for the industry now for the past 38 years. Charts and tables in this study are based on a survey of subscribers that was conducted early this year. 

Where differences are obvious, we separate the responses of transmission specialty shops from general repair shops that perform powertrain work in an attempt to create a more accurate picture of the information. 

Powertrain industry directory and buyer’s guide 2024

This is the latest in TD’s annual series of directories for the powertrain industry. Companies that supply products to the powertrain aftermarket are listed in alphabetical order. Because data changes frequently, only organizations that have updated information with Transmission Digest in the recent past are included. Related Articles – Shift Pointers: A Chrysler 300 no-shift complaint – A

Powertrain-Industry-Directory
Shift Pointers: A Chrysler 300 no-shift complaint

The case study has to do with a 2009 Chrysler 300 C 5.7L Nag1 RWD with 71,923 miles on it (see Figure 1, above). Related Articles – Sometimes, a diagnostic code is all you need – 10L80 and 10R80 pump gear differences – Top 20 Tools and Products: The Winners It is based on a

A guide to common GM, Ford and Nissan programming issues

One of the most common complaints I hear from shops when trying to install a new GM TCM is, “The module will not communicate.” While that might be partially true, by design they won’t communicate until they are programmed. If programming fails, there will be an “E” code set which will help you get to

Shift of the shaft: Diagnosing Chrysler 48RE manual shaft issues

The TorqueFlite transmission has been around since mid-to-late 1950s. There have been many changes surrounding the manual shaft and rooster comb through the years. This transmission shaft controls the position of the manual valve that directs oil for the gear ranges, but it also is used for a Reverse light control as well as Park/Neutral

Other Posts

Sonnax introduces GM 6L80, 6L90 output planet saver kits

Sonnax has introduced new output planet saver kits for GM 6L80 and 6L90 transmissions. The company says these kits can repair and prevent common concerns and save the planetary assembly when installed. Related Articles – Transtar to offer recycled engines – Alto introduces filters for GM 6L series – PRT launches 30 new complete strut

Sonnax introduces Smart-Tech clutch kit for GM 4L series

Sonnax has introduced a new Smart-Tech clutch kit for optimizing clutch capacity and guarding against clutch burnup in GM 4L60, 4L60-E, 4L65-E and 4L70-E transmissions. This kit (part no. 77734-01K) includes eight .067-in. BorgWarner high-energy frictions and seven .095-in. Lindered steels recommended for use with Sonnax Smart-Tech input housings. Related Articles – Force Control Industries

Sonnax introduces oversized low reverse/overdrive clutch regulator valve kit

Sonnax has introduced a new oversized low reverse/overdrive (4-5-6) clutch regulator valve kit (part no. 144740-43K) for Ford 6F35 transmissions, generations one, two and three. Related Articles – American Powertrain introduces ProTwin disc clutch for GM, Ford and Mopar – Snap-on debuts new general service tool set  – Gray Tools introduces insulated hex bit socket

Sonnax introduces heavy-duty ‘A’ clutch backing plate

Sonnax has introduced a new heavy duty “A” clutch backing plate (part no. 35577-45) for Chrysler 845RE and 850RE, and ZF 8HP45, 8HP50 and 8HP51 transmissions. Sonnax says that this plate can eliminate the flexing/bowing of the clutch pack that leads to comebacks in these transmissions, and recommends installing them in units that have not