Compatible with:
-Latitude 3420 (with optional fingerprint reader ONLY)

Matching the component's part number is the only way to confirm compatibility and fit. Matching the system model number (i.e., Inspiron ****) alone is NOT enough as different components are used on the same model depends on the original configurations.

Part number:
-3MWTH 03MWTH 
-ZBNF19