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Cardone 21-5391 Power Steering Pump
Overview of Cardone Power Steering Pump 21-5391 for Mazda 6
The Cardone Power Steering Pump 21-5391 is a remanufactured component designed specifically for the Mazda 6. This pump restores proper steering assist and helps maintain smooth handling by replacing worn or failing power steering pumps.
- Remanufactured power steering pump with included pulley
- Aluminum housing for durability and heat dissipation
- Press-on pulley attachment type included
- Threaded outlet attachment with 14x1.5 thread size
- Hose barb inlet attachment and seat-type hose port
- Includes hydraulic pump, instruction sheet, and sealing kit
- Compatible with Mazda 6 models requiring part number 21-5391
Product Line Details: Cardone Power Steering Pump
The Cardone Power Steering Pump line focuses on remanufactured steering components that meet or exceed OEM specifications. This product line offers reliable replacement pumps engineered to restore factory steering performance. The 21-5391 pump is part of this line, providing a cost-effective solution with quality materials such as an aluminum housing and a press-on pulley for secure fitment.
Detailed Product Description
This Cardone power steering pump features an aluminum housing that ensures strength and efficient heat dissipation during operation. The pump includes a press-on pulley, eliminating the need for separate pulley purchases. The inlet uses a hose barb attachment type, while the outlet is threaded with a 14x1.5 size, designed for secure connection to the power steering system. The package contains the hydraulic pump, a sealing kit, and an instruction sheet to assist with installation. Note that mounting hardware and reservoir are not included.
Common Applications and Issues Addressed
- Restores power steering assist in Mazda 6 vehicles experiencing hard steering
- Replaces pumps making whining or unusual noises
- Solves intermittent assist issues related to pump contamination or wear
- Addresses steering difficulties when increasing engine RPM
- Eliminates problems caused by damaged or enlarged input shafts on original pumps
Installation Notes and Tips
When installing the Cardone 21-5391 power steering pump, ensure the pulley is properly pressed onto the pump shaft. Use the included sealing kit to prevent leaks at hose connections. Since mounting hardware is not included, retain original bolts or source compatible fasteners. It is recommended to inspect and, if necessary, replace power steering fluid during installation to maintain system performance. Follow the instruction sheet carefully for torque specifications and hose attachment procedures.
Quality Assurance and Warranty
This remanufactured power steering pump undergoes rigorous testing to meet performance standards. Cardone provides a limited warranty covering defects in materials and workmanship. While the product is not classified as e-waste, proper disposal of the original pump is advised. The pump is designed to deliver reliable service when installed according to manufacturer guidelines.
| Brand | Cardone |
|---|---|
| Part Number | 21-5391 |
| Position | Power Steering Pump |
| E-Waste | No |
| Hose Port Type | Seat |
| 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 | 14x1.5 |
| 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 | No |
| Reservoir Included | No |
This part fits 6 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Mazda | 6 | 2.3L | L4 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2007 | Mazda | 6 | 2.3L | L4 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2006 | Mazda | 6 | 2.3L | L4 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2005 | Mazda | 6 | 2.3L | L4 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2004 | Mazda | 6 | 2.3L | L4 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2003 | Mazda | 6 | 2.3L | L4 | 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.