A/C Flow Restrictors for 2017 Audi S8
No.
Part # / Description / Price
Price
1
HVAC Unit Case Assembly 
Audi
Audi Description: A8, S8. Front, without aux heater. Front, all. This genuine Audi HVAC Unit Case Assembly, part number 4H1-820-356, conditions and distributes cabin air, where refrigerant charge, airflow path integrity, and actuator calibration together determine whether the system reaches its target temperature. It is supplied through the Audi dealer parts network and matches the component installed at the factory. Check the applications list or supply your VIN to confirm this part fits your vehicle.
2
HVAC Air Inlet Door Actuator Audi
Audi Positions: Front
Description: Rear. The original equipment Audi HVAC Air Inlet Door Actuator supplied under part number 4G0-820-511 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. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $400.01
$306.00
MSRP $400.01
$306.00
3
HVAC Air Inlet Door Actuator Bracket Audi
Audi Positions: Right
Notes: PARTS: Part included with housing assembly.
Description: Front. Genuine Audi HVAC Air Inlet Door Actuator Bracket 4H0-898-966. This original equipment component 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. Every genuine Audi part is validated against the same specification as the original equipment component. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $30.52
$20.83
MSRP $30.52
$20.83
4
HVAC Air Inlet Door Actuator Bracket Audi
Audi Positions: Left
Notes: PARTS: Part included with housing assembly.
Description: Front. This genuine Audi HVAC Air Inlet Door Actuator Bracket, part number 4H0-898-965, 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. 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 $23.58
$16.09
MSRP $23.58
$16.09
5
HVAC Blend Door Lever Audi
Audi Positions: Right
Notes: PARTS: Part included with housing assembly.
Description: Front. This factory Audi HVAC Blend Door Lever (4H0-898-001-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. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $30.58
$20.87
MSRP $30.58
$20.87
6
HVAC Blend Door Lever Audi
Audi Positions: Left
Notes: PARTS: Part included with housing assembly.
Description: Front. Audi part number 4H0-898-001, the factory 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. Confirm fitment against your vehicle identification number before ordering.
MSRP $56.58
$37.88
MSRP $56.58
$37.88
7
Cabin Air Temperature Sensor Aspirator Tube Audi
Audi Description: Front. Listed under Audi part number 4H1-816-311, this Cabin Air Temperature Sensor Aspirator Tube 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. Buying genuine keeps the vehicle's original fit, finish, and warranty coverage intact. Confirm fitment against your vehicle identification number before ordering.
MSRP $89.99
$68.30
MSRP $89.99
$68.30
8
HVAC Unit Case Audi
Audi Description: Front. The original equipment Audi HVAC Unit Case supplied under part number 4H1-819-593 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. Fitment varies by model year, trim, and option content, so verify before ordering.
9
Cabin Air Filter Cover Screw Audi
Audi Description: Front. 2013-2016. Convertible,. With dual zone control. Audi part number WHT-000-155, the factory Cabin Air Filter Cover Screw, 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. Fitment varies by model year, trim, and option content, so verify before ordering.
MSRP $15.98
$10.87
MSRP $15.98
$10.87
10
HVAC Heater Core Heater Element Audi
Audi Description: Front. Listed under Audi part number 4H0-819-011, this HVAC Heater Core Heater Element 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.
11
HVAC Heater Core Audi
Audi Description: A6, S6. A8, S8. Front. A7, S7, RS7. Listed under Audi part number 4H0-898-037, this HVAC Heater Core 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 $644.99
$489.56
MSRP $644.99
$489.56
12
HVAC Heater Hose Outlet Tube Audi
Audi Description: Front. Listed under Audi part number 4H1-898-037, this HVAC Heater Hose Outlet Tube 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 $221.65
$169.56
MSRP $221.65
$169.56
13
HVAC Heater Hose Outlet Tube Hardware Kit Audi
Audi Notes: PARTS: Part included with pipe kit. Part included with heater core.
Description: Front. The original equipment Audi HVAC Heater Hose Outlet Tube Hardware Kit supplied under part number 4H0-898-037-A 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. Use the fitment guide or contact our parts team to confirm the correct application.
14
A/C Evaporator Core And Case Assembly Audi
Audi Description: Front. For Primary HVAC. Audi part number 4H1-820-023, the factory A/C Evaporator Core And Case Assembly, 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. Check the applications list or supply your VIN to confirm this part fits your vehicle.
15
A/C Evaporator Core Audi
Audi Notes: PARTS: Part included with evaporator assembly.
Description: A6, S6. Front. A8, S8. Genuine Audi A/C Evaporator Core 4H1-898-967. 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. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Use the fitment guide or contact our parts team to confirm the correct application.
MSRP $1,032.31
$848.82
MSRP $1,032.31
$848.82
16
A/C Expansion Valve Audi
Audi Notes: PARTS: Part included with evaporator assembly.
Description: A8, S8. Front. Genuine Audi A/C Expansion Valve 4H0-898-967. 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. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Confirm fitment against your vehicle identification number before ordering.
MSRP $253.34
$193.80
MSRP $253.34
$193.80
16
A/C Expansion Valve Audi
Audi Positions: Rear
Description: This factory Audi A/C Expansion Valve (4H0-820-181) 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. Confirm fitment against your vehicle identification number before ordering.
17
Cover Audi
Audi Notes: PARTS: Part included with evaporator assembly.
Description: Front. Audi part number 4H1-820-231, the factory Cover, encloses and protects the component behind it, keeping debris, moisture, and heat away from hardware that was not designed to be exposed while also finishing the visible surface. As a genuine Audi part it carries factory part numbering, original fitment data, and Audi parts warranty coverage. Fitment varies by model year, trim, and option content, so verify before ordering.
18
Cabin Air Filter Audi
Audi Description: A6, S6. Front. A8, S8. A7, S7, RS7. This genuine Audi Cabin Air Filter, part number 4H0-819-439, delivers metered, filtered air to the combustion chambers, and any unmetered air or restriction on this path shifts fuel trims and dulls throttle response. 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 $65.00
$49.14
MSRP $65.00
$49.14
19
Cabin Air Filter Cover Audi
Audi Description: Front. Genuine Audi Cabin Air Filter Cover 4H0-819-422-A. This original equipment component delivers metered, filtered air to the combustion chambers, and any unmetered air or restriction on this path shifts fuel trims and dulls throttle response. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Confirm fitment against your vehicle identification number before ordering.
MSRP $46.00
$30.80
MSRP $46.00
$30.80
20
Intake Duct Audi
Audi Description: Front. The original equipment Audi Intake Duct supplied under part number 4H1-820-153-A delivers metered, filtered air to the combustion chambers, and any unmetered air or restriction on this path shifts fuel trims and dulls throttle response. Every genuine Audi part is validated against the same specification as the original equipment component. Confirm fitment against your vehicle identification number before ordering.
21
HVAC Air Inlet Housing Seal Audi
Audi Notes: PARTS: Part included with intake duct.
Description: Front. This genuine Audi HVAC Air Inlet Housing Seal, part number 4H0-819-229-A, 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. Genuine Audi tooling and materials mean it installs into the original mounting points without modification. Check the applications list or supply your VIN to confirm this part fits your vehicle.
MSRP $56.78
$38.01
MSRP $56.78
$38.01
22
HVAC Unit Case Hardware Kit Audi
Audi Description: Front. The original equipment Audi HVAC Unit Case Hardware Kit supplied under part number 4H0-898-006 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. Fitment varies by model year, trim, and option content, so verify before ordering.
23
Temp Sensor Audi
Audi Description: This genuine Audi Temp Sensor, part number 4B0-820-539, 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. 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 $65.66
$52.74
MSRP $65.66
$52.74
24
A/C Evaporator Temperature Sensor Audi
Audi Description: A6, S6. Location-Inlet Duct. A8, S8. Front, upper. For Primary HVAC. Location-HVAC Box. Right. Audi part number 4H0-907-543, the factory A/C Evaporator Temperature Sensor, converts a physical condition into a signal the engine control module uses to set f ...
MSRP $101.66
$77.15
MSRP $101.66
$77.15