Description
This CSF component is a reviewed Audi / Volkswagen launch product with retained manufacturer application evidence.
Why it belongs in the Echo catalogue
- Two-row 42 mm dual core using CSF B-Tube technology.
- Drop-in construction accepts the listed original hoses, condenser, brackets, and fan shroud.
- Upgraded plate-type transmission oil cooler is pre-plugged for manual-transmission use.
Fitment and important notes
CSF lists 7091 for selected 2008–2016 Audi B8 A4/A5/S4/S5, 2012–2016 Audi C7 A6/A7, 2009–2017 Audi 8R Q5, 2014–2017 Audi SQ5, and selected 2015–2021 Porsche Macan S/GTS applications. Exact engine, transmission, cooling package, production split, and original hose/oil-cooler configuration must be verified before ordering.
Manufacturer part number: 7091
Installation note: Cooling-system service, bleeding, leak inspection, transmission-cooler connections, and coolant selection must follow the vehicle and CSF instructions.






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