Dell Part numbers are easy to find once you know how.

Normally situated near on on a label with a barcode labels , the part number can be found in the   6 digits following the two digit country prefix indicating country of manufacture.

Most commonly called 'CN' numbers because of the most ubiquitous of codes. The common prefix codes are:

'CN' - CHINA
'TH' - THAILAND
'KR' - SOUTH KOREA
'JP' - JAPAN
'US' - UNITED STATES


For example, the Part Number on the left is 0CY640, or CY640 omitting the leading zero as is common practise amongst service companies.