This used 2002-2004 Acura RSX-S Type S ECU with part number 37820-PRB-A05 is a 6-speed manual K20A2 RSX PRB ECM 02. It is an engine control unit (ECU) designed for Acura RSX-S Type S vehicles.

This ECU is in good condition and unmodified. Perfect for those in need of a replacement. It is compatible with various Acura/Honda models and is able to be used in a Kswap.