OMC ESA module (Shift assist module) - with dual wire connectors.

Is the engine stalling when you're switching to neutral?
Then it is expected that the ESA module is broken.


• Delivered complete incl. cables
• 1-year warranty


Fits engine applications:

• Prestolite BID EST distributor (digital) - 4-6-8 cyl.

Convertion kit for OMC ESA - use this kit if you want to convert your OMC GM-based 3.0/4.3 & 5.7 ltr engine with old conventional breaker-point ignition system into the Delco breaker-less Voyager (EST) system.

Uses 3 & 5 pin cable, if you need to convert from the old 5 pin you will have to order the adapter cable kit sku: 423-7731