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Cardone 21-344 Power Steering Pump
Reliable Power Steering Pump for Mercedes-Benz Models
The Cardone Power Steering Pump 21-344 is designed to restore smooth and responsive steering for select Mercedes-Benz vehicles. Engineered as a remanufactured unit, this pump offers a durable aluminum housing and precise fitment for models including the C230, C280, C350, SLK280, SLK300, and SLK350.
- Remanufactured power steering pump with aluminum housing
- Compatible with Mercedes-Benz C230, C280, C350, SLK280, SLK300, SLK350
- 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 hose port type for secure sealing
- Power steering outlet thread size 16x1.5
About the Cardone Power Steering Pump Line
The Cardone Power Steering Pump line focuses on remanufactured components that meet or exceed OEM specifications. This product line emphasizes quality materials such as aluminum housings and includes essential installation components like sealing kits and instruction sheets. The 21-344 pump is part of this line, providing a reliable replacement option for power steering systems in various Mercedes-Benz models.
Product Details and Specifications
This remanufactured power steering pump features an aluminum housing for durability and heat dissipation. It uses a quick connect inlet attachment and a threaded outlet with a 16x1.5 thread size, ensuring compatibility with the original steering system. The pump includes one outlet port with an O-ring type hose port for a secure and leak-resistant connection. Note that the pulley is not included and attaches via a press-on method. Mounting hardware and reservoir are also not included with this unit.
Common Applications and Problem Resolution
- Restores power assist in steering for Mercedes-Benz C230, C280, C350, SLK280, SLK300, SLK350
- Eliminates whining noises caused by air or contamination in the power steering system
- Addresses hard steering issues in one or both directions
- Replaces faulty or leaking power steering pumps
- Improves steering response and fluid circulation
Installation Notes and Tips
When installing the Cardone 21-344 power steering pump, ensure the system is properly flushed to remove contamination that can cause premature failure. The pulley must be transferred from the original pump or replaced separately, as it is not included. Use the provided sealing kit to ensure leak-free connections at the quick connect inlet and threaded outlet. Bleed the power steering system thoroughly to remove air and prevent whining noises. Mounting hardware is not included, so reuse existing bolts or source appropriate replacements.
Quality Assurance and Warranty
This remanufactured power steering pump undergoes rigorous testing to meet performance standards comparable to OEM parts. Cardone provides a limited warranty covering defects in materials and workmanship, offering assurance of product reliability. For specific warranty details, refer to Cardone's official documentation.
| Brand | Cardone |
|---|---|
| Part Number | 21-344 |
| 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 14 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2011 | Mercedes-Benz | SLK300 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2011 | Mercedes-Benz | SLK350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2010 | Mercedes-Benz | SLK300 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2010 | Mercedes-Benz | SLK350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2009 | Mercedes-Benz | SLK300 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2009 | Mercedes-Benz | SLK350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2008 | Mercedes-Benz | SLK280 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2008 | Mercedes-Benz | SLK350 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2007 | Mercedes-Benz | C230 | N/A | Luk Pump; 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 |
| 2007 | Mercedes-Benz | C280 | N/A | Luk Pump; 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 |
| 2007 | Mercedes-Benz | C350 | N/A | Luk Pump; 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 | C230 | N/A | Luk Pump; From 01/31/2006; 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 | C280 | N/A | Luk Pump; From 01/31/2006; 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 | C350 | N/A | Luk Pump; From 01/31/2006; 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 |
* 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.