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CardonePart #: 21-120
Cardone 21-120 Power Steering Pump
40 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
Power Steering Pump
Fitment: Mercedes-Benz, GL450, GL550, CLS550, ML350, ML550, CL550, E350, E550, R350, and S550
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Not what you need? See all Power Steering Pump options
Overview of Cardone Power Steering Pump 21-120
The Cardone Power Steering Pump 21-120 is a remanufactured hydraulic pump designed for select Mercedes-Benz models. Engineered to restore proper steering assist, this pump is compatible with vehicles such as the CL550, CLS550, E350, E550, GL450, GL550, ML350, ML550, R350, and S550.
- Remanufactured power steering pump with aluminum housing
- Includes hydraulic pump, instruction sheet, and sealing kit
- Quick connect inlet and threaded outlet attachment types
- Press-on pulley attachment (pulley not included)
- O-ring type hose port for secure connections
- Compatible with Mercedes-Benz CL550, CLS550, E350, E550, GL450, GL550, ML350, ML550, R350, and S550
About the Cardone Power Steering Pump Line
The Cardone Power Steering Pump product line focuses on remanufactured components that meet or exceed original equipment specifications. This line provides reliable hydraulic pumps designed to restore steering performance and durability. The 21-120 model exemplifies this approach by offering a quality aluminum housing and precise attachment types to ensure proper fitment and function in various Mercedes-Benz vehicles.
Product Details and Specifications
This power steering pump features an aluminum housing for durability and heat dissipation. The inlet uses a quick connect attachment type, while the outlet is threaded with a 16x1.5 thread size, ensuring secure hose connections. The pump includes one outlet port with an O-ring hose port type to prevent leaks. The pulley attachment is press-on style; however, the pulley itself is not included. Mounting hardware and reservoir are not part of the package. The product condition is remanufactured, providing a cost-effective alternative to new pumps without compromising quality.
Common Applications and Issues Addressed
- Restores power steering assist in Mercedes-Benz CL550, CLS550, E350, and other compatible models
- Eliminates whining noises caused by worn or failing pumps
- Resolves hard steering issues, especially when turning in one direction
- Addresses fluid flow problems due to debris in the flow control valve bore
- Corrects assist loss at low engine RPMs
Installation Notes and Tips
- Ensure the pulley from the original pump is compatible and properly installed, as this pump does not include a pulley
- Use the included sealing kit to prevent leaks during installation
- Check power steering fluid condition and replace fluid if recommended by the vehicle manufacturer
- Verify all hose connections use the correct O-ring seals for a secure fit
- Follow the instruction sheet carefully to avoid damage to the quick connect inlet and threaded outlet fittings
Quality Assurance and Warranty
The Cardone Power Steering Pump 21-120 is remanufactured to meet strict quality standards, ensuring reliable performance in compatible Mercedes-Benz vehicles. While specific warranty details are not provided here, Cardone products typically come with a limited warranty covering defects in materials and workmanship. It is recommended to verify warranty terms at the time of purchase.
| Brand | Cardone |
|---|---|
| Part Number | 21-120 |
| Position | Power Steering Pump |
| E-Waste | No |
| Hose Port Type | O-Ring |
| Housing Material | Aluminum |
| Mounting Hardware Included | No |
| Package Contents | Hydraulic Pump; Instruction Sheet; Sealing Kit |
| Power Steering Outlet ID Size | 0 |
| Power Steering Outlet Thread Size | 16x1.5 |
| Power Steering Pump Inlet Attachement Type | Quick Connect |
| Power Steering Pump Outlet Attachment Type | THREADED |
| Power Steering Reservoir Cap Included | No |
| Product Condition | Remanufactured |
| Pulley Attachement Type | Press-On |
| Pulley Included | No |
| Remote Reservoir | No |
| Reservoir Included | No |
This part fits 40 vehicles. Search below:
| Year | Make | Model | Fuel Type | Position | Notes |
|---|---|---|---|---|---|
| 2012 | Mercedes-Benz | GL450 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2012 | Mercedes-Benz | GL550 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2011 | Mercedes-Benz | CLS550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2011 | Mercedes-Benz | GL450 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2011 | Mercedes-Benz | GL550 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2011 | Mercedes-Benz | ML350 | GAS | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 2011 | Mercedes-Benz | ML550 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2010 | Mercedes-Benz | CL550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2010 | Mercedes-Benz | CLS550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2010 | Mercedes-Benz | GL450 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2010 | Mercedes-Benz | GL550 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2010 | Mercedes-Benz | ML350 | GAS | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump |
| 2010 | Mercedes-Benz | ML550 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2009 | Mercedes-Benz | CL550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2009 | Mercedes-Benz | CLS550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2009 | Mercedes-Benz | E350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2009 | Mercedes-Benz | E550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2009 | Mercedes-Benz | GL450 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2009 | Mercedes-Benz | GL550 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2009 | Mercedes-Benz | ML350 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2009 | Mercedes-Benz | ML550 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2009 | Mercedes-Benz | R350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2009 | Mercedes-Benz | S550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2008 | Mercedes-Benz | CLS550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2008 | Mercedes-Benz | E350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2008 | Mercedes-Benz | E550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2008 | Mercedes-Benz | GL450 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2008 | Mercedes-Benz | GL550 | N/A | Except Electronic Speed Sensitive Steering; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2008 | Mercedes-Benz | ML350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2008 | Mercedes-Benz | ML550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2008 | Mercedes-Benz | R350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2008 | Mercedes-Benz | S550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2007 | Mercedes-Benz | CLS550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2007 | Mercedes-Benz | E350 | N/A | Remanufactured Power Steering Pump | |
| 2007 | Mercedes-Benz | GL450 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2007 | Mercedes-Benz | ML350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2007 | Mercedes-Benz | R350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2007 | Mercedes-Benz | S550 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2006 | Mercedes-Benz | ML350 | N/A | From 12/20/2005; Reservoir Not Included; In-Line Filter available; For warranty purposes it is recommended to always install a filter and to use suggested OE Fluid and flush the system; Power Steering Pump | |
| 2006 | Mercedes-Benz | R350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
00546620010054662201
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.