GTB2260VK Variable Geometry Turbocharger

The Garrett 776470-5003W is a variable geometry turbocharger, identified by its GTB2260VK model designation. It is a direct replacement part, compatible with a range of Audi, Porsche, and Volkswagen vehicles, including the Audi Q7 and A6, Porsche Cayenne, and VW Phaeton and Touareg. This turbocharger features multiple part number variations, including 776470, 776470-5003W, 776470-9003W, 776470-5003S, 776470-5001S, 776470-0003, 776470-0001, 769909-0010, and 769909-0009. The corresponding OE/OEM numbers are 059145722M and 059145722R. Proper installation is crucial for the longevity of any turbocharger. It is recommended to change the engine oil and oil filter before installation, and to inspect or replace the engine air filter and intake ducting. The oil feed and drain lines should also be inspected for restrictions or contamination. For water-cooled turbos, ensure coolant lines are clean and unrestricted. Finally, check intercooler and exhaust systems for leaks or damage, and always prime the turbo with oil before startup. It is important to follow the vehicle manufacturer’s service procedures, as the original cause of failure must be corrected to prevent premature failure of the new turbocharger and potential warranty claim denial. An install kit, such as part number 172-784-0170, is available separately and includes necessary gaskets and hardware.