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Cardone 21-5370 Power Steering Pump
Reliable Power Steering Pump for Ford Escape, Mazda Mariner, and Mercury Tribute
The Cardone Power Steering Pump 21-5370 is a remanufactured hydraulic pump designed to restore smooth steering performance in select Ford, Mazda, and Mercury vehicles. Engineered with durable aluminum housing and precise fittings, this pump supports reliable power assist for your vehicle's steering system.
- Remanufactured power steering pump with aluminum housing
- Compatible with Ford Escape, Mazda Mariner, and Mercury Tribute models
- Includes hydraulic pump, instruction sheet, and sealing kit
- Features hose barb inlet and threaded outlet (18x1.5 thread size)
- O-ring type hose port for secure connections
- Remote reservoir compatible; reservoir and pulley not included
- Bolt-on pulley attachment type; mounting hardware not included
About the Cardone Power Steering Pump Line
The Cardone Power Steering Pump product line focuses on remanufactured components that meet OEM specifications for steering system reliability. This line offers pumps with quality aluminum housings and precise attachment types to ensure compatibility and performance. The 21-5370 model exemplifies this approach by providing a durable, serviceable solution for power steering issues in specific vehicle applications.
Product Details and Specifications
This power steering pump features an aluminum housing for strength and heat dissipation. The inlet uses a hose barb attachment, while the outlet is threaded with an 18x1.5 size, designed for a single outlet port sealed with an O-ring. The pump is remanufactured and includes a sealing kit and installation instructions, but does not come with a pulley, reservoir, or mounting hardware. The pulley attachment is bolt-on style, compatible with existing pulleys on the vehicle.
Common Applications and Issues Addressed
- Restores power assist in Ford Escape, Mazda Mariner, and Mercury Tribute steering systems
- Eliminates whining noises caused by air or contamination in the pump
- Resolves hard steering or inconsistent assist at low engine RPM
- Addresses leaks or pressure loss due to worn or damaged pumps
- Improves steering response and fluid circulation in remanufactured systems
Installation Notes and Tips
When installing the Cardone 21-5370 power steering pump, ensure the system is properly flushed to remove contamination that can cause premature wear. Use the included sealing kit to prevent leaks at hose connections. Since mounting hardware and pulley are not included, reuse existing components if they are in good condition. Bleed the power steering system thoroughly to eliminate air and reduce whining noises after installation.
Quality Assurance and Warranty
This remanufactured power steering pump undergoes rigorous testing to meet performance standards. Cardone provides a warranty covering defects in materials and workmanship, ensuring dependable operation when installed according to instructions. For optimal longevity, follow manufacturer recommendations for fluid maintenance and system care.
| Brand | Cardone |
| Part Number | 21-5370 |
| 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 | 18x1.5 |
| 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 | Bolt-On |
| Pulley Included | No |
| Remote Reservoir | Yes |
| Reservoir Included | No |
This part fits 18 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2012 | Ford | Escape | 3.0L | V6 | N/A | Remanufactured Power Steering Pump |
| 2011 | Ford | Escape | 3.0L | V6 | N/A | Remanufactured Power Steering Pump |
| 2011 | Mercury | Mariner | 3.0L | V6 | N/A | Remanufactured Power Steering Pump |
| 2010 | Ford | Escape | 3.0L | V6 | N/A | Remanufactured Power Steering Pump |
| 2010 | Mercury | Mariner | 3.0L | V6 | N/A | Remanufactured Power Steering Pump |
| 2009 | Ford | Escape | 3.0L | V6 | N/A | Remanufactured Power Steering Pump |
| 2009 | Mercury | Mariner | 3.0L | V6 | N/A | Remanufactured Power Steering Pump |
| 2008 | Ford | Escape | 3.0L | V6 | N/A | Remanufactured Power Steering Pump |
| 2008 | Mercury | Mariner | 3.0L | V6 | N/A | Remanufactured Power Steering Pump |
| 2007 | Ford | Escape | 3.0L | V6 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2007 | Mercury | Mariner | 3.0L | V6 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2006 | Ford | Escape | 3.0L | V6 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2006 | Mazda | Tribute | 3.0L | V6 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2006 | Mercury | Mariner | 3.0L | V6 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2005 | Ford | Escape | 3.0L | V6 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2005 | Mazda | Tribute | 3.0L | V6 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2005 | Mercury | Mariner | 3.0L | V6 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2004 | Ford | Escape | 3.0L | V6 | N/A | From 12/22/2003; 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.