Keep your Audi A4 steering smoothly with the Bosch Rack and Pinion Assembly KS01000912, a remanufactured hydraulic steering gear built to original-equipment performance standards. It drops in as a direct-fit replacement for the 2002-2006 Audi A4 and the Audi A4 Quattro (2002 and 2004-2006) — see the Buyer's Guide tab for the full engine-level applications. It is designed to transfer accurate steering input and provide smooth hydraulic assist, and it helps restore the vehicle's original steering feel and handling if a worn or leaking rack is the cause of your loose or hard steering.
- OE-engineered performance: manufactured to original-equipment specifications for consistent steering assist across operating conditions.
- Precision-built internals: high-quality seals and precision-machined components support leak-free reliability and long service life.
- Direct-fit design: engineered as an exact-fit replacement to simplify installation without modifications.
- 100% functional tested: each unit is tested to Bosch quality specifications to meet or exceed OE standards.
Bosch backs this hydraulic rack-and-pinion steering gear with a 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks.
Interchange: 8E1422053K · 8E1422054A
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What vehicles does this Bosch rack and pinion fit?
It is a direct-fit replacement for the 2002-2006 Audi A4 and the Audi A4 Quattro (2002 and 2004-2006). Check the Buyer's Guide tab to confirm your exact application.
Is this a new or remanufactured unit?
It is a remanufactured hydraulic steering rack, rebuilt and 100% functionally tested to meet or exceed Bosch OE quality standards.
What are signs my steering rack may need replacing?
Common signs include a power-steering fluid leak, loose or wandering steering, hard steering, or a clunk when turning. Diagnose the cause before replacing.
Does this rack use hydraulic power steering?
Yes, it is a hydraulic steering gear designed to provide smooth hydraulic assist and accurate steering input transfer.
What warranty does Bosch provide?
Bosch backs this hydraulic rack-and-pinion steering gear with a 1-year, unlimited-mileage warranty for non-commercial passenger cars and light trucks.
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