This page is designed to assist you in identifying the torque converter in your transmission/vehicle.

General Motors

4L60E 4L80E 4T60E 4T65E
Sticker Location B81T Sticker Location Sticker Location
Identification Letters B82T Identification Letters Identification Letters
  Sticker Location    


A4LD AXOD/AXODE CD4E C-4 C-5 AX4N/4F50N E40D/4R100 5R110W AODE/4R70W/4R75W
High Stall Fin Angle High Stall Fin Angle Letter Stamp on Pilot C4 Stud Spread Drain Plug F71 Hub Height E4OD/4R100 Pilot 5R110W Pilot AODE 4R70W 4R75W Low Stall Fin Angle
Low Stall Fin Angle Low Stall Fin Angle F70L C4 Late Splines   F71 Stamp   5R110W Gas Fin Angle AODE 4R70W 4R75W High Stall Fin Angle
  ID Stamp F70 C4 Early Splines       5R110W Diesel Fin Angle AODE 4R70W 4R75W 12 inch Stud Spread
  ID Stamp 2           5R110W Cover Stamp AODE 4R70W 4R75W 11 Inch Stud Spread
  Intermediate Fin Angle              
  Laser Stamp              


500/518 604 727/904 96 & earlier 45RFE/545RFE
90 Degree Early Cover Wide Ring Gear Width Odd/Offset Pad R36
642 Weight Late 90 Degree Cover Narrow Ring Gear Width   R36LS
  Early Impeller      
  Late 90 Degree Impeller