Audi A8/S8 Lower Power Steering Reservoir / Tank 4H0422373A

OEM Part #: 4H0-422-373-A (4H0422373A)

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Lower Power Steering Reservoir / Tank - OEM Part Number 4H0422373A This lower power steering reservoir, located on the driver’s side, is designed for select Audi models, specifically the 2011-2016 A8 Quattro and S8 with 4.0L and 6.3L V8 engines. It serves as the storage container for power steering fluid, ensuring optimal hydraulic pressure for smooth steering operation. Common issues include leaks or cracks that may lead to fluid loss and steering difficulties. This reservoir is compatible with part numbers 4H0422376, 4H0422887P, and 4H1422891AP, among others. Ensure proper fitment with specific models to maintain vehicle performance. Typical body styles include sedan configurations.

Specifications

Specifications for Lower Power Steering Reservoir / Tank 4H0422373A
Fits Vehicle ModelA8, S8
Fits Vehicle MakeAudi
OEM Part No4H0-422-373-A (4H0422373A)
CategorySteering

Compatible Vehicles

Fits 24 vehicle configurations across 1 make, 2011-2018.

Check your specific vehicle before ordering. This list shows year, make, and model. Some years have multiple trims or engines that use different parts, and individual listings may have additional fitment notes (e.g. “with sunroof only”). Review the full variant list below, or message us with your VIN and we’ll confirm the match.

Audi

  • A8 2011-2018 · 18 variants
  • S8 2013-2018 · 6 variants
View all 24 vehicle configurations
Full vehicle fitment list for Lower Power Steering Reservoir / Tank 4H0422373A
Year Make Model Trim Engine Note
2011 Audi A8 Quattro Sedan 4.2L V8
2011 Audi A8 Quattro L Sedan 4.2L V8
2012 Audi A8 Quattro Sedan 4.2L V8
2012 Audi A8 Quattro L Sedan 4.2L V8
2012 Audi A8 Quattro L Sedan 6.3L W12
2013 Audi A8 Quattro Sedan 4.0L V8 Turbo
2013 Audi A8 Quattro L Sedan 4.0L V8 Turbo
2013 Audi A8 Quattro L Sedan 6.3L W12
2013 Audi S8 Sedan 4.0L V8 Turbo
2014 Audi A8 Quattro Sedan 4.0L V8 Turbo
2014 Audi A8 Quattro L Sedan 4.0L V8 Turbo
2014 Audi A8 Quattro L Sedan 6.3L W12
2014 Audi S8 Sedan 4.0L V8 Turbo
2015 Audi A8 Quattro Sedan 4.0L V8 Turbo
2015 Audi A8 Quattro L Sedan 4.0L V8 Turbo
2015 Audi A8 Quattro L Sedan 6.3L W12
2015 Audi S8 Sedan 4.0L V8 Turbo
2016 Audi A8 Quattro L Sedan 4.0L V8 Turbo
2016 Audi A8 Quattro L Sedan 6.3L W12
2016 Audi S8 Sedan 4.0L V8 Turbo
2017 Audi A8 Quattro L Sedan 4.0L V8 Turbo
2017 Audi S8 Sedan 4.0L V8 Turbo
2018 Audi A8 Quattro L Sedan 4.0L V8 Turbo
2018 Audi S8 Sedan 4.0L V8 Turbo

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