O ring to seal between the compressor cover and bearing housing on Audi 3.0 GTB2260VK turbos. (769909 776469 7769470 etc). Essential to get the right size - too small cross sectional area (or a smaller diameter o-ring stretched too far) will not seal and can cause boost leaks, leading to overspeed and failure.
Will also fit GTB2056VK (Audi) and GT2052 Audi 2.5 454135 turbos.
If you need a complete repair kit check out the Rebuild Kits section.
