This is a Genuine OEM DeWalt Part.  

This is Part #646693-01SV Nose Cone.  This assembly is compatible with several models including:  DC820, DC830, DC840 Impact Wrench.  Please make absolutely sure this part fits your model before purchasing.

DeWALT

DC822 18V Impact Wrench 

DC820 18V Compact Impact Wrench 

DC830 14.4V Impact Wrench 

DC840 12V Impact Wrench 

DC820KA Type 1 18V Compact Impact Wrench 

DC820KA Type 2 18V Compact Impact Wrench 

DC820KA Type 3 18V Compact Impact Wrench 

DC820B Type 2 18V Impact Wrench 

DC820B Type 3 18V Impact Wrench 

DC822KL (Type 1) 18v Impact Wrench 

DC822KL (Type 2) 18v Impact Wrench 

DC822KL (Type 3) 18v Impact Wrench 

DC830KA (Type 1) 1/2-In. Cordless Impact Wrench 

DC830KA (Type 2) 1/2-In. Cordless Impact Wrench 

DC830KA (Type 3) 1/2-In. Cordless Impact Wrench 

DC840KA (Type 1) 12v Impact Wrench 

DC840KA (Type 2) 12v Impact Wrench 

DC820K (Type 3) 18v Impact Wrench 

DC820KA-BR (Type 1) Impact Wrench Power Tool 

DC820KA-BR (Type 2) Impact Wrench Power Tool 

DC840KA-BR (Type 1) Cordless Impact Wrench Power Tool 

DC840KA-BR (Type 2) Cordless Impact Wrench Power Tool 

DC840KA-BR (Type 3) Cordless Impact Wrench Power Tool

SPECIAL NOTE:  Our new DeWalt parts are all genuine OEM made for DeWalt service.  None of these are third party, off-brand parts.  We will warrant these parts as new and working upon arrival, however, we will not warrant if you bought the wrong part or damage it during installation, so be careful when ordering and in your self-service.