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Cardone 21-5321 Power Steering Pump
Overview of Cardone Power Steering Pump 21-5321
The Cardone Power Steering Pump 21-5321 is a remanufactured hydraulic pump designed for select Mercedes-Benz models. It provides reliable power steering assistance for vehicles such as the C55 AMG, C240, C320, CLK55 AMG, CLK320, CLK500, and SLK55 AMG.
- Remanufactured power steering pump with aluminum housing
- Compatible with Mercedes-Benz C55 AMG, C240, C320, CLK55 AMG, CLK320, CLK500, SLK55 AMG
- Press-on pulley attachment type (pulley not included)
- Quick connect inlet and threaded outlet attachment types
- Includes hydraulic pump, instruction sheet, and sealing kit
- Power steering outlet thread size 16x1.5 with O-ring hose port
- Mounting hardware and reservoir not included
About the Cardone Power Steering Pump Product Line
The Cardone Power Steering Pump line focuses on remanufactured components engineered to meet or exceed original equipment specifications. This product line emphasizes durability and precise fitment, offering a cost-effective solution for restoring power steering function in compatible vehicles. The 21-5321 pump is part of this line, providing a reliable replacement option for various Mercedes-Benz models.
Detailed Product Description
This Cardone Power Steering Pump 21-5321 features an aluminum housing that ensures strength and corrosion resistance. The pump uses a press-on pulley attachment type; however, the pulley is not included and must be reused from the original unit or purchased separately. The inlet connection is a quick connect type, facilitating easier installation, while the outlet is threaded with a 16x1.5 size and uses an O-ring hose port for a secure seal. The package includes the hydraulic pump, an instruction sheet, and a sealing kit to assist with proper installation. Note that mounting hardware and reservoir are not included with this pump.
Common Applications and Issues Addressed
- Restores power steering assist in Mercedes-Benz C55 AMG, C240, C320, CLK55 AMG, CLK320, CLK500, and SLK55 AMG models
- Replaces failing or noisy power steering pumps
- Solves issues with hard steering or inconsistent assist
- Addresses whining noises caused by worn pump components
- Helps correct fluid flow problems related to debris in the flow control valve bore
Installation Notes and Tips
- Ensure the original pulley is compatible and properly installed, as the pulley is not included
- Use the included sealing kit to prevent leaks at connection points
- Check power steering fluid condition and replace fluid if recommended by the vehicle manufacturer
- Verify all connections are secure, especially the quick connect inlet and threaded outlet
- Inspect the steering gear if issues persist after pump replacement
Quality Assurance and Warranty
The Cardone Power Steering Pump 21-5321 is remanufactured to meet strict quality standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Cardone products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or manufacturer for exact warranty terms.
| Brand | Cardone |
| Part Number | 21-5321 |
| 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 31 vehicles. Search below:
| Year | Make | Model | Body Type | Position | Notes |
|---|---|---|---|---|---|
| 2012 | Mercedes-Benz | SLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2011 | Mercedes-Benz | SLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2010 | Mercedes-Benz | SLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2009 | Mercedes-Benz | SLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2008 | Mercedes-Benz | SLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2007 | Mercedes-Benz | SLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2006 | Mercedes-Benz | C55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2006 | Mercedes-Benz | CLK500 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2006 | Mercedes-Benz | CLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2006 | Mercedes-Benz | SLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2005 | Mercedes-Benz | C240 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2005 | Mercedes-Benz | C320 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2005 | Mercedes-Benz | C55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2005 | Mercedes-Benz | CLK320 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2005 | Mercedes-Benz | CLK500 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2005 | Mercedes-Benz | CLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2005 | Mercedes-Benz | SLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2004 | Mercedes-Benz | C240 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2004 | Mercedes-Benz | C320 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2004 | Mercedes-Benz | CLK320 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2004 | Mercedes-Benz | CLK500 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2004 | Mercedes-Benz | CLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2003 | Mercedes-Benz | C240 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2003 | Mercedes-Benz | C320 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2003 | Mercedes-Benz | CLK320 | Coupe | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2003 | Mercedes-Benz | CLK500 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2003 | Mercedes-Benz | CLK55 AMG | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2002 | Mercedes-Benz | C240 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2002 | Mercedes-Benz | C320 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2001 | Mercedes-Benz | C240 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 2001 | Mercedes-Benz | C320 | N/A | Remanufactured 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.