![19540147 LS2/LS3 Engine Controller Kit for GM Gen IV LS Crate Engines [Plug-and-Play, Standalone]](https://www.jegs.com/images/mini_750/800/809/809-19540147.jpg)
19540147 LS2/LS3 Engine Controller Kit for GM Gen IV LS Crate Engines [Plug-and-Play, Standalone]
- Controller
- Wiring Harness
- MAF Sensor
- O2 Sensors
- Throttle Pedal
The Chevrolet Performance 19540147 LS2/LS3 Engine Controller Kit is a plug-and-play, stand-alone engine management system for installing a Chevrolet Performance LS3 crate engine into older vehicles. The kit ships with a pre-programmed engine control module calibrated specifically for retrofit applications, eliminating many of the diagnostic features required in late-model production vehicles that would otherwise trigger trouble codes during a swap. All hardware needed to plug into the engine and start it is included, requiring only power and ground sources, a high-pressure fuel pump, and an electric cooling fan to complete the installation. Maximum engine speed is 6,600 rpm. Supersedes Part Number 19354328.
Chevrolet Performance 19540147 Features:
- Fits GM Gen IV LS2 and LS3 crate engines
- Plug-and-play calibration for retrofit installations
- Stand-alone operation; no third-party tuning required for most applications
- Pre-programmed engine control module, P/N 19354329 included
- Complete wiring harness with fuse box and cam and MAP sensor jumpers
- Mass airflow meter with mounting boss for intake system
- Two oxygen sensors with weld-in mounting bosses for exhaust system
- Throttle pedal assembly for electronic throttle body
- Detailed installation instructions
- Maximum 6,600 rpm operation
- Compatible only with Chevrolet Performance SuperMatic 6L80 transmissions; not compatible with production or service replacement 6L80
- Supersedes Part Number 19354328, 1958270, 19201861, 19166568
Chevrolet Performance 19540147 Includes:
- Pre-programmed engine control module
- Wiring harness with fuse box
- Mass airflow meter and mounting boss
- Two oxygen sensors and two weld-in mounting bosses
- Throttle pedal assembly
- Installation instructions





![61-Piece Heat Shrink Tubing Kit [Black]](https://www.jegs.com/images/mini_200/500/555/555-10630.jpg)


