Genuine Porter Cable replacement part. New, Bulk Packed. Genuine Porter Cable Replacement Part. Consult owners manual for proper part number identification and proper installation. Please refer to list for compatibility. Includes (1) D27253 RegulatorNew, Bulk PackedGenuine OEM replacement partConsult owners manual for proper part number identification and proper installationPlease refer to list for compatibilityCompatible with :Black and Decker : 919-72413, 919-72413 Type 1, 919-72432, 919-72432 Type 1, 919-72432 Type 2, 919-72550, 919-72550 Type 1, 919-72550 Type 2, 919-72550 Type 3, 919-16555, 919-16644, 919-16644 Type 1, 919-16778, 919-16778 Type 1, 919-16778 Type 2, 919-16778 Type 3, 919-16778 Type 4