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OE Quality
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Cardone 21-5957 Power Steering Pump
Overview of Cardone Power Steering Pump 21-5957
The Cardone Power Steering Pump 21-5957 is a remanufactured hydraulic pump designed specifically for Mitsubishi Diamante models. Engineered to restore proper steering assist, this pump includes a press-on pulley and a sealing kit to facilitate installation and ensure reliable operation.
- Remanufactured power steering pump with hydraulic pump, instruction sheet, and sealing kit included
- Aluminum housing for durability and heat dissipation
- Press-on pulley included for direct replacement
- Hose barb inlet attachment and threaded outlet (12x1.25 thread size)
- Compatible with Mitsubishi Diamante power steering systems
- Remote reservoir design; reservoir cap and reservoir not included
- Mounting hardware not included
Product Line Details: Cardone Power Steering Pump
The Cardone Power Steering Pump line focuses on remanufactured components that meet or exceed OEM specifications. This product line emphasizes quality restoration of power steering function through thorough rebuilding processes, including replacement of wear components and testing for performance. The 21-5957 pump is part of this line, offering a reliable replacement option for Mitsubishi Diamante vehicles requiring power steering pump service.
Detailed Product Description
This Cardone power steering pump features an aluminum housing that provides strength while helping to dissipate heat generated during operation. The pump includes a press-on pulley, which simplifies installation by matching the original equipment design. The inlet uses a hose barb attachment type, and the outlet is threaded with a 12x1.25 size, ensuring compatibility with the vehicle’s existing power steering hoses. The pump is designed with a remote reservoir system, although the reservoir and cap are not included. This remanufactured unit undergoes rigorous testing to ensure it meets performance standards for the Mitsubishi Diamante.
Common Applications and Issues Addressed
- Restores power steering assist in Mitsubishi Diamante models experiencing hard steering
- Replaces failing or noisy power steering pumps causing whining sounds
- Solves intermittent assist issues related to pump performance
- Addresses fluid flow problems caused by debris in the flow control valve bore
- Corrects pulley attachment failures due to cracked or damaged pulleys
Installation Notes and Tips
- Ensure the press-on pulley is properly seated to avoid premature failure
- Inspect and replace power steering fluid as recommended, even if no issues are apparent
- Verify hose connections match the hose barb inlet and threaded outlet specifications
- Check for debris in the flow control valve bore before installation to prevent flow restrictions
- Mounting hardware is not included; reuse original hardware or source separately
Quality Assurance and Warranty
The Cardone Power Steering Pump 21-5957 is remanufactured to meet OEM standards, ensuring reliable performance and durability. Each unit is tested for proper hydraulic function and includes a sealing kit to maintain system integrity. While specific warranty details are not provided here, Cardone products typically come with a limited warranty covering defects in materials and workmanship.
| Brand | Cardone |
|---|---|
| Part Number | 21-5957 |
| Position | Power Steering Pump |
| E-Waste | No |
| Hose Port Type | Washer |
| 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 | 12x1.25 |
| Power Steering Pump Inlet Attachement Type | Hose barb |
| Power Steering Pump Outlet Attachment Type | Threaded |
| Power Steering Reservoir Cap Included | No |
| Product Condition | Remanufactured |
| Pulley Attachement Type | Press-On |
| Pulley Included | Yes |
| Remote Reservoir | Yes |
| Reservoir Included | No |
This part fits 8 vehicles. Search below:
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 2004 | Mitsubishi | Diamante | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2003 | Mitsubishi | Diamante | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2002 | Mitsubishi | Diamante | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2001 | Mitsubishi | Diamante | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2000 | Mitsubishi | Diamante | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 1999 | Mitsubishi | Diamante | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 1998 | Mitsubishi | Diamante | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 1997 | Mitsubishi | Diamante | 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.