Engine Cooling. Primary. RS5. 2.9L, main.

Primary Radiator. Upper Radiator Coolant Hose. At Engine. Union. 2.9L main, left side,upper. From 06/20/2018.

Lower Front Hose, Left

Engine Cooling. Auxiliary. Location-Center Lower. 2.9L, main.

Radiator Hose

Charge Air Cooling. Center. 2.9L, main, lower.

Water Pipe, Left

Water pipe. 2.9L, main.

Water Hose

Charge Air Cooling. Assembly. To Pipe and Hose. 2.9L, main.

2.9L, main, upper.

Charge Air Cooling. Location-Wheel Arch. 2.9L, main.

Cooling Pipe

ATF Cooling. Cooler to Radiator Hose. Cooling pipe. 2.9L main.

Breather Tube

3.0L, 2020-25, lower. Main. #2. 3.0L 2018-19. #3 from 10/14/2019. Coupe, 3.0L, #3, from 03/30/2020.

Breather Tube

2.9L main. #4.

Breather Tube

2.9L main. #6.

Thermostat

Engine Cooling. Auxiliary. Location-Wheel Arch. Assembly. Incl Upper and Lower Hoses. 2.9L, main.

Thermo-Pneumatic Valve. Incl.Gasket,Housing and Thermostat. 2.9L. A8 Quattro. Convertible, 3.0L, main. 2020-24 3.0L. 3.0L, with plug-in hybrid.

HVAC Heater Hose

Outlet. Connector to Pipe. Connector hose. 3.0L 2018-19. Coupe, 3.0L.

Inlet. Water Pump To Connector. 2.9L #1 auxiliary. Hose.