ApplicationCompatible for Audi RS6C5 4172ccm 4.2L 2002-2004 Year 450HP 331kw BCYCompatible for Audi RS6 plus C54172ccm 4.2L 2004 Year 480HP 353KW BCYSpecificationOEM NUMBER/ PART NUMBER:right sidek04-0029 , k04-29 , k04-029 53049880029 ,53049700029 5304 988 0029 , 5304 970 0029 5304-988-0029 , 5304-970-0029 077145704K , 077145704KX , 077145704KVNotice* Bearing Type: Journal Bearing * Turbo Type: VNT turbo* Warranty: one year* Accessories: You will get what you can see in the pictures exactly* Please confirm your original turbo PART NUMBER before Purchasing* Professional installation is highly recommended (No Instruction Included)* For any needs please contact us