Product Description
The steering knuckle (or axle stub) is a crucial suspension part that connects the wheel assembly to the control arms, supporting steering and braking functions. This left front steering knuckle fits Audi A6, A7, S6, S7 (2019-2022), matching OEM codes (4K0407253D, 4K0407559D, 80A407253C). Manufactured for longevity and performance, it’s a top choice for auto parts distributors and wholesale suppliers. Available in bulk for cost-effective inventory stocking, ensuring fast delivery for B2B buyers.
| Part Number : | OEM 4K0407559D 80A407253C
HBS number – KQ003 01685-2 |
| Type : | Front Suspension Left Steering Knuckle |
| Suitable for: | Fits A6 2019-2022, A6 allroad, A7, RS6, S6, S7 |

About HBS
Hipsen(Quzhou) Brake System Parts Co., Ltd (HBS) is a professional manufacturer of auto brake master cylinders. We produce aftermarket parts and provide custom manufacturing services.
Our products have been exported to North America, Europe…etc since 2015. We have been verified with a quality certificate of ISO9001:2015, and the ISO/TS16949 certificate is coming in 2024.
Both the finished products and the production processes have received recognition from the brands we have collaborated with For example, Cardone, Ford Otosan, Polaris, Electra Meccanica, Wildwood, Hayes, and ZongShen.
Why Choose HBS

Numerous models in stock One-year Warranty Friendly Payment Methods
Complete coverage, check in Knuckle/Spindle Technicians follow the whole after-sales process; Safe payment methods or percentage for you
Provide solutions within three working days can be negotiated
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