This coolant pipe is designed for various Audi and VW models, including the Audi A3 (8P1, 8P7, 8PA) 1.8 and 2.0 from 2006 to 2013, and the VW Passat 1.8 and 2.0 from 2005 to 2015. It is a high-quality part manufactured by Febi Bilstein, featuring a plastic construction with EPDM seals. The pipe has a length of 26 mm, an outer diameter of 23 mm, and an inner diameter of 13 mm, and comes in black. It connects the oil cooler to the engine block and includes gaskets/seals for proper installation. Ensure compatibility with your vehicle before purchase. N.B. products are usually supplied without fitting instructions and should be installed by a competent individual.