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:left sidek04-0028 , k04-28 , k04-028 53049880028 , 53049700028 5304 988 0028 , 5304 970 0028 5304-988-0028 , 5304-970-0028 077145703P , 077145703PX , 077145703PVNotice* 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* For any needs please contact us