Part Numbers S0131-00385 and S0131-00386 on each. Both have the same part number DW1560, 1098338. They were installed new in a friends truck that she had to sell shortly after installing them. They are in very good condition. Had always thought we would put them in our IROC but my wife would rather us put a NOS system in the same space (She's great, isn't she guys?). We still have our stock Bose system so any reasonable trade for other stereo equipment (or anything else) or Best offer takes them both. - Mike