CSF’s intercooler for 05-11 A6 3.0L/3.2L is a leading brand in manufacturing trusted and exquisitely built cooling parts that guarantee high-quality performance. If you need a new intercooler, CSF takes pleasure in designing, developing, and manufacturing the world's greatest cooling systems using the most innovative technologies, machines, and skilled staff.

CSF’s new intercooler line is the Industry’s 1st complete full-line of intercoolers ever offered to the automotive aftermarket – with coverage ranging from Audi to Volvo. Several different construction styles are available, ranging from plastic/aluminum to all-aluminum, with standard tube & fin cores as well as heavy-duty bar & plate cores being offered to suit the needs of CSF’s customers across the world. 

OE replacement parts: 4F0121251AF, 4F0-121-251-AF, 4F0121251AA, 4F0-121-251-AA, 4F0121251M, 4F0-121-251-M