Bosch KS00000158 Power Steering Pump

Bosch Power Steering Pump for Audi Applications

Bosch KS00000158 is a new hydraulic power steering pump built for Audi steering systems that use a remote reservoir setup. It is a mechanical steering pump with an aluminum housing, a threaded outlet, and a barb-style inlet for direct system connection.

Use this Bosch Power Steering Pump (New) when replacing a worn or noisy pump on select Audi S4, Audi S5, and Audi A5 Quattro models. The KS00000158 part number is also referenced by OE numbers 8K0145154J and 8K0145154M for the same application.

Key Features

• Brand: Bosch Power Steering Pump (New)
• Part number: KS00000158
• Hydraulic, mechanical steering pump design
• Aluminum housing for durable construction
• 1 inlet with barb attachment
• 1 outlet with threaded attachment
• Filter included
• Remote reservoir configuration
• New, not remanufactured

Detailed Description

Bosch KS00000158 is a hydraulic steering pump engineered for vehicles that rely on a remote reservoir power steering system. The pump body uses aluminum construction and includes a filter, while the inlet and outlet attachment types are configured for the specified Audi steering layout. This Bosch Power Steering Pump (New) is a direct-fit replacement for select 2008-2012 Audi models, including Audi A5 Quattro, Audi S4, and Audi S5.

For shoppers searching for a 2010-2012 Audi S4 power steering pump replacement, a 2010-2012 Audi S5 hydraulic steering pump, or a 2008-2009 Audi A5 Quattro steering pump, KS00000158 provides the correct OE-style application match. The Bosch KS00000158 part number should be verified against the vehicle’s steering system and OE cross-reference before installation.

What This Part Helps Address

• Loss of power steering assist
• Whining or groaning from the steering pump
• Steering effort that becomes heavy or inconsistent
• Fluid circulation problems in a remote reservoir system
• Leaks or wear at the pump assembly

Installation Notes and Tips

Confirm the vehicle uses the correct remote reservoir hydraulic steering setup before ordering. Inspect the inlet and outlet connections, flush the steering system as needed, and replace contaminated fluid before putting the new pump into service. Because mounting hardware is not included, reuse or source the correct hardware separately if required by the vehicle.

Quality Assurance

Bosch supplies OE-level steering components and this part is sold as new, not remanufactured. It cross-references OE part numbers 8K0145154J and 8K0145154M for the same application.

Compatible With: Fits 2010-2012 Audi S4, N/A; Fits 2010-2012 Audi S5, N/A; Fits 2008-2009 Audi A5 Quattro, N/A.