Transmission Dimensions

Transmission Fluid Fill Capacities

JEGS 555-60325 GM 4L80E Performance Automatic Transmission Features:

• Includes mounting bosses on the case for P.R.N.D.L. switch
• New friction plates and steels
• New low/reverse and intermediate bands
• Complete overhaul kit (seals, gaskets, rings)
• Complete bushing kit
• New internal electronics and wiring harness
• New input and output speed sensors
• New filter
• Rebuilt front pump with new gears
• Rebuilt valve body with shift kit installed
• Stock depth pan
• Cooler line fitting size: 9/16 in.-18
• Transmission Fluid Capacity: 13.5 quarts
• Transmission Fluid Service Capacity: 7.7 quarts

JEGS 555-60325 GM 4L80E Performance Automatic Transmission Includes:

• Replacement drain plug seal
• Dipstick grommet

JEGS 555-60325 GM 4L80E Performance Automatic Transmission IMPORTANT Notes:

• This JEGS Performance Transmission has gone through rigorous testing to provide you with the best possible replacement transmission
• Here are a few tips to ensure a successful installation
  • Follow the manufacture's instructions thoroughly
  • Before installation, flush any old fluid from your system, including transmission lines, oil cooler, and torque converter to remove any contaminants that could harm your new transmission
  • When installing your torque converter, follow the instructions carefully to ensure proper fitment into the transmission input shaft and also attaching to your engine. Specific tolerances are required so that you do not damage the front pump in the transmission or the converter.
• This unit only works in vehicles with an 11-pin (green) wiring harness connector.
• If you have any problem installing this transmission, before returning it please call the JEGS technical support line. Our experts may be able to assist you with the proper installation.
• JEGS 60325 4L80E transmission can be used in an older vehicle when converting to an electronically-controlled overdrive transmission. The conversion to older vehicles will require the use of a transmission controller, crankshaft spacer, special cross-member, driveshaft changes, and other modifications (all sold separately).