OEM LSA/LS9 3 bar map sensor. Part number 12592525 / 55567257.
This Genuine GM 3-Bar MAP sensor is recommended for Forced Induction applications and is the OEM MAP sensor for GM LSA and LS9 supercharged engines. It is compatible with many factory PCMs in addition to aftermarket EFI systems.
This 55567257 (blue) sensor is the new GM part number to replace the 12592525 (red) sensor which have been discontinued.
