This Febi oil cooler is designed for various Audi models, including the A6 C6, A6 Allroad C6, Q5 8RB, and A5. It is compatible with 2.7D and 3.0D engines and has part numbers 059117021K and 059117021KSK. The dimensions are 186 mm in length, 71 mm in height, and 110 mm in width, with a weight of 0.670 kg. This is an engine oil cooler. Please ensure the part fits your vehicle using the make model tool. For any queries, contact the seller. The product is designed for its original purpose and should be installed by a competent individual. Installation instructions are usually not supplied.