Bosch KS01000656 Power Steering Pump

Bosch Remanufactured Power Steering Pump

This Bosch remanufactured power steering pump is a mechanical steering pump built for direct replacement service on select Mercedes-Benz applications. It is engineered for drivers replacing a worn or noisy pump on the Mercedes-Benz R550, ML500, or R500, with fitment coverage for 2006-2008 model years.

Part number KS01000656 is part of Bosch Power Steering Pump (Remanufactured) line, a remanufactured OE-style solution for steering systems that need restored hydraulic pressure and consistent assist. If you are searching for a Bosch KS01000656 power steering pump for Mercedes-Benz R550 or ML500/R500 steering repair, this listing matches the confirmed applications below.

Key Features

• Remanufactured Bosch power steering pump
• Mechanical steering pump design
• Direct replacement for select Mercedes-Benz steering systems
• Fits 2008 Mercedes-Benz R550
• Fits 2006-2007 Mercedes-Benz ML500
• Fits 2006-2007 Mercedes-Benz R500
• Cross-reference part number: 0044668601
• Part number: KS01000656

Detailed Description

Bosch KS01000656 is a remanufactured mechanical power steering pump for Mercedes-Benz vehicles that use hydraulic power steering assist. It is listed for the 2008 Mercedes-Benz R550, the 2006-2007 Mercedes-Benz ML500, and the 2006-2007 Mercedes-Benz R500. For buyers comparing Bosch KS01000656 against OE references, this pump cross-references 0044668601 for the same application.

As part of Bosch’s remanufactured Power Steering Pump line, this unit is intended for steering repair where the original pump has lost pressure, become noisy, or no longer delivers smooth assist. Search terms such as Mercedes-Benz R550 power steering pump remanufactured, 2006-2007 ML500 steering pump replacement, and Bosch KS01000656 hydraulic steering pump all point to this confirmed fitment.

What It Helps Fix

• Hard or heavy steering effort
• Whining or groaning from the power steering pump
• Low hydraulic assist at the steering wheel
• Steering response that feels inconsistent or delayed
• Leak-related pump replacement needs

Installation Notes and Tips

Verify the vehicle’s year, model, and steering system before ordering. Confirm the existing part number against KS01000656 and the OE reference 0044668601 when possible. After installation, the hydraulic system should be inspected for leaks, proper fluid level, and correct belt drive operation. Because this is a mechanical steering pump, system condition and fluid cleanliness should be checked during service.

Quality Assurance

This Bosch remanufactured pump is built as an OE-style replacement for confirmed Mercedes-Benz applications. Bosch is a recognized supplier in automotive steering components, and this remanufactured unit is intended to restore proper hydraulic steering performance in the listed vehicles.