Control Modules for 2007 Audi S8
No.
Part # / Description / Price
Price
1
HVAC Unit Case
Audi
Audi Description: A8, S8. This genuine Audi HVAC Unit Case, part number 4E0-820-356, conditions and distributes cabin air, where refrigerant charge, airflow path integrity, and actuator calibration together determine whether the system reaches its target temperature. As a genuine Audi part it carries factory part numbering, original fitment data, and Audi parts warranty coverage. Confirm fitment against your vehicle identification number before ordering.
6
A/C Evaporator Core
Audi
Audi Description: A8, S8. This factory Audi A/C Evaporator Core (4E0-820-103-A) conditions and distributes cabin air, where refrigerant charge, airflow path integrity, and actuator calibration together determine whether the system reaches its target temperature. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Confirm fitment against your vehicle identification number before ordering.
7
A/C Evaporator Core Seal
Audi
Audi Description: This genuine Audi A/C Evaporator Core Seal, part number 4E0-820-130, creates the sealing interface between two components, and because a seal is the cheapest part in most assemblies but the most common source of leaks, using the correct specification is what keeps the repair permanent. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Confirm fitment against your vehicle identification number before ordering.
MSRP $142.15
$107.89
MSRP $142.15
$107.89
9
A/C Refrigerant Line Grommet
Audi
Audi Description: Listed under Audi part number 3D0-820-099, this A/C Refrigerant Line Grommet is a small but load bearing element of the assembly, and using the factory specification matters because thread pitch, coating, and clamp load are engineered for the joint rather than generic. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Confirm fitment against your vehicle identification number before ordering.
10
A/C Refrigerant Line O-Ring
Audi
Audi Description: Outer. Audi part number 4E0-819-380-A, the factory A/C Refrigerant Line O-Ring, creates the sealing interface between two components, and because a seal is the cheapest part in most assemblies but the most common source of leaks, using the correct specification is what keeps the repair permanent. It is supplied through the Audi dealer parts network and matches the component installed at the factory. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $2.44
$1.66
MSRP $2.44
$1.66
11
A/C Refrigerant Line O-Ring
Audi
Audi Description: Inner. This factory Audi A/C Refrigerant Line O-Ring (4D0-819-380-B) creates the sealing interface between two components, and because a seal is the cheapest part in most assemblies but the most common source of leaks, using the correct specification is what keeps the repair permanent. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $3.60
$2.45
MSRP $3.60
$2.45
15
HVAC Heater Core Bracket
Audi
Audi Positions: Left
Description: Audi part number 4D0-820-536-C, the factory HVAC Heater Core Bracket, is a small but load bearing element of the assembly, and using the factory specification matters because thread pitch, coating, and clamp load are engineered for the joint rather than generic. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $37.77
$25.78
MSRP $37.77
$25.78
16
HVAC Heater Hose Outlet Tube
Audi
Audi Positions: Right
Description: This factory Audi HVAC Heater Hose Outlet Tube (4E0-898-969) conditions and distributes cabin air, where refrigerant charge, airflow path integrity, and actuator calibration together determine whether the system reaches its target temperature. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Confirm fitment against your vehicle identification number before ordering.
17
HVAC Heater Hose Outlet Tube
Audi
Audi Positions: Left
Description: This factory Audi HVAC Heater Hose Outlet Tube (4E0-898-968) conditions and distributes cabin air, where refrigerant charge, airflow path integrity, and actuator calibration together determine whether the system reaches its target temperature. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Use the fitment guide or contact our parts team to confirm the correct application.
19
HVAC Heater Hose Outlet Tube Bracket
Audi
Audi Positions: Left
Description: This factory Audi HVAC Heater Hose Outlet Tube Bracket (4E0-820-536-C) is a small but load bearing element of the assembly, and using the factory specification matters because thread pitch, coating, and clamp load are engineered for the joint rather than generic. It is supplied through the Audi dealer parts network and matches the component installed at the factory. Confirm fitment against your vehicle identification number before ordering.
MSRP $20.58
$14.05
MSRP $20.58
$14.05
25
HVAC Blend Door Lever
Audi
Audi Description: Warm air. Listed under Audi part number 4E0-820-357, this HVAC Blend Door Lever conditions and distributes cabin air, where refrigerant charge, airflow path integrity, and actuator calibration together determine whether the system reaches its target temperature. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $45.18
$30.25
MSRP $45.18
$30.25
27
HVAC Air Inlet Door Actuator
Audi
Audi Description: Front. Rear. #3. Center. Genuine Audi HVAC Air Inlet Door Actuator 4F0-820-511-B. This original equipment component conditions and distributes cabin air, where refrigerant charge, airflow path integrity, and actuator calibration together determine whether the system reaches its target temperature. It is supplied through the Audi dealer parts network and matches the component installed at the factory. Confirm fitment against your vehicle identification number before ordering.
MSRP $371.67
$284.33
MSRP $371.67
$284.33
28
HVAC Blower Motor Cover
Audi
Audi Description: The original equipment Audi HVAC Blower Motor Cover supplied under part number 4E0-815-057 conditions and distributes cabin air, where refrigerant charge, airflow path integrity, and actuator calibration together determine whether the system reaches its target temperature. Every genuine Audi part is validated against the same specification as the original equipment component. Use the fitment guide or contact our parts team to confirm the correct application.
30
HVAC Blower Motor Control Module
Audi
Audi Description: A8, S8. Listed under Audi part number 4E0-820-521-C, this HVAC Blower Motor Control Module executes the control strategy for its subsystem, and because Audi modules are networked and component protected, a replacement is a software event as much as a hardware one. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $464.98
$352.92
MSRP $464.98
$352.92
36
HVAC Recirculation Door Actuator Link
Audi
Audi Positions: Left
Description: Upper. This factory Audi HVAC Recirculation Door Actuator Link (4E0-819-781) conditions and distributes cabin air, where refrigerant charge, airflow path integrity, and actuator calibration together determine whether the system reaches its target temperature. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Check the applications list or supply your VIN to confirm this part fits your vehicle.
38
HVAC Recirculation Door Actuator Link
Audi
Audi Positions: Left
Description: Lower. This factory Audi HVAC Recirculation Door Actuator Link (4E0-819-937) conditions and distributes cabin air, where refrigerant charge, airflow path integrity, and actuator calibration together determine whether the system reaches its target temperature. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Use the fitment guide or contact our parts team to confirm the correct application.
42
Ambient Air Temperature Sensor
Audi
Audi Description: Listed under Audi part number 8Z0-820-535, this Ambient Air Temperature Sensor converts a physical condition into a signal the engine control module uses to set fueling and timing, so a drifting sensor degrades performance long before it triggers a hard fault. Ordering genuine avoids the fit and durability compromises that come with aftermarket substitutes. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $40.59
$26.26
MSRP $40.59
$26.26
43
HVAC Duct Air Temperature Sensor
Audi
Audi Positions: Right
Description: Location-HVAC Box. Location-Outlet Duct. Center. Inner, lower. Genuine Audi HVAC Duct Air Temperature Sensor 4E0-820-539. This original equipment component converts a physical condition into a signal the engine control module uses to set fueling and timin ...
MSRP $67.65
$54.35
MSRP $67.65
$54.35
44
A/C Evaporator Temperature Sensor
Audi
Audi Description: Inner, upper. A8, S8. Audi part number 4E0-907-543, the factory A/C Evaporator Temperature Sensor, converts a physical condition into a signal the engine control module uses to set fueling and timing, so a drifting sensor degrades performance long before it triggers a hard fault. It is supplied through the Audi dealer parts network and matches the component installed at the factory. Confirm fitment against your vehicle identification number before ordering.
MSRP $61.98
$49.80
MSRP $61.98
$49.80