This poller pulls the CISCO-STACK-MIB table info that can be displayed using a NPM Tabular Universal Device Poller Resource (in Node Details Reports resources). This should work for all models of the 3750 series platform.
1.3.6.1.4.1.9.5.1.3.1.1.17
moduleModel
The manufacturer's model number for the module.
1.3.6.1.4.1.9.5.1.3.1.1.20
moduleSwVersion
The software version of the module.
1.3.6.1.4.1.9.5.1.3.1.1.26
moduleSerialNumberString
The serial number of the module. This MIB object
will return the module serial number for any
module that either a numeric or an alphanumeric
serial number is being used.