ac-delco version (aka, can be had at kragens/pepboys/autozone/etc) number 213-1562 and harness number PT1035
what the heck, here is the whole list:
GM Style 3 Bar Pressure Sensors
Manufacturer Part Number
GM (old)* 16040749
AC Delco (old)* 213-101
GM (new)** 12223861
AC Delco (new)** 213-1562
MSD** 2313
MSD (compact)** 23131
Borg Warner** EC1678
NAPA CRB219481
Electromotive Engine Controls 71130
Holley 538-23
* denotes that the sensor is "old" style; this means that the keys for the harness are located on pin A toward pin B, and on pin C away from pin B.
** denotes that the sensor is "new" style; this means that the keys for the harness are located on pin B away from the clip and on pin A pointing away from pin B.
Others are unknown regarding keys
GM Style 3 Bar Pressure Sensor Harness
Manufacturer Part Number
GM (old)* 12085502
AC Delco (old) * PT123
NAPA* ECHEC14
Carquest * S-595
GM (new)** 15305891
AC Delco (new)** PT1035
GM (A/C)*** ??
Conduct Tite*** 85146
Calterm (A/C)*** 08826
Calterm (MAP) 08658
* denotes that the harness is intended for the "old" style MAP sensor; keyways are located on pin A toward pin B, and on pin C away from pin B.
** denotes that the harness is intended for the "new" style MAP sensor; this means that the keyways on the harness are located on pin B away from the clip and on pin A pointing away from pin B
*** denotes that the harness is intended for a GM A/C Pressure Switch; keyways are at ?? on pin?? and ?? on pin??
Others are unknown regarding keyways.
all taken from
http://rdmelton.autoeducation.com/ca.../boostlog.html
