Seeing oil pressure warnings on your dash? This oil pressure sensor set might solve it! Includes both brown and blue switches for full coverage on Audi A4, Q5, TT, and VW Jetta models (and others). Direct replacement for OEM numbers like 04E919081A and 038919081K. Also fits 038919081C, 038919081H, 06H919081A, and more. From Soillar with a solid 3-year warranty. Brand new in original packaging. These sensors monitor oil pressure and send info to your car's computer. When they fail, you get false warnings or no reading at all. Swapping them is usually a quick job if you're handy. No UPC, but it's a complete set for common VW/Audi engines. Keep your engine monitoring accurate and avoid costly misdiagnoses!