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Cardone 21-5371 Power Steering Pump
Remanufactured Power Steering Pump for GX470 and 4Runner
Cardone 21-5371 is a remanufactured power steering pump engineered for direct replacement in select Lexus GX470 and Toyota 4Runner applications. Built to meet or exceed original equipment performance, it is a practical choice for restoring steering assist, pressure, and fluid control in the power steering system.
This Cardone Power Steering Pump line focuses on OE-style fit and tested hydraulic performance. For this application, the pump is supplied as a remanufactured unit with a sealing kit and instruction sheet, and it uses a remote reservoir design with a threaded outlet and hose barb inlet.
Key Features
- Remanufactured Original Equipment-style pump for precise vehicle fit
- All critical components are triple-tested for reliability
- Computer-tested final assembly measures pressure, bypass, fluid flow, valve operation, steering effort, and noise
- 100% new O-rings and premium-grade HNBR seals help resist leaks and heat-related seal breakdown
- Surfaced shafts are finished to precise specifications to reduce premature seal wear
- 100% tested and calibrated pressure relief valves are installed
- Earth-friendly remanufacturing process reduces energy and raw material use versus new part production
Detailed Description
Cardone 21-5371 is built for drivers who need a dependable replacement power steering pump for 2003-2009 Lexus GX470 and 2003-2009 Toyota 4Runner models. The remanufacturing process includes inspection and improvement of the original design where applicable, along with testing of critical internal components to help ensure consistent hydraulic output. The pump housing is cast iron/aluminum, and the unit is configured with a 16x1.5 threaded outlet, hose barb inlet, bolt-on pulley attachment, and remote reservoir setup.
This part cross-references Toyota and Lexus OE part number 4432035610 for the same application. Search terms such as 2003-2009 Lexus GX470 power steering pump replacement and 2003-2009 Toyota 4Runner remanufactured steering pump apply directly to this part number 21-5371.
What It Helps Fix
- Whining or noisy power steering pump operation
- Loss of steering assist at idle or low engine speed
- Hard steering caused by weak hydraulic pressure
- Fluid leaks from worn seals or aging pump components
- Inconsistent steering effort from contaminated or worn internal valves
Installation Notes and Tips
- Compatible With 2003-2009 Lexus GX470, N/A
- Compatible With 2003-2009 Toyota 4Runner, N/A
- Reservoir is not included; reuse or source the correct remote reservoir for the vehicle
- OE fluid and a full system flush are required for warranty compliance on listed applications
- An in-line filter is required on the listed applications
- Bleed the system carefully after installation to remove trapped air and prevent pump noise
- Inspect the pulley condition before transfer; replace the pulley if the bore is damaged or cracked
Quality Assurance
Cardone remanufactured power steering pumps are tested for hydraulic efficiency and validated for pressure, bypass, flow, valve function, steering effort, and noise before release. The remanufacturing process is designed to restore OE-level performance while reducing material and energy use compared with manufacturing a new part.
| Brand | Cardone |
|---|---|
| Part Number | 21-5371 |
| Position | Power Steering Pump |
| E-Waste | No |
| Hose Port Type | Seat |
| Housing Material | Cast Iron/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 | 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 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2009 | Lexus | GX470 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | ||
| 2009 | Toyota | 4Runner | 4.7L | V8 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2008 | Lexus | GX470 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | ||
| 2008 | Toyota | 4Runner | 4.7L | V8 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2007 | Lexus | GX470 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | ||
| 2007 | Toyota | 4Runner | 4.7L | V8 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2006 | Lexus | GX470 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | ||
| 2006 | Toyota | 4Runner | 4.7L | V8 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2005 | Lexus | GX470 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | ||
| 2005 | Toyota | 4Runner | 4.7L | V8 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2004 | Lexus | GX470 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | ||
| 2004 | Toyota | 4Runner | 4.7L | V8 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 2003 | Lexus | GX470 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | ||
| 2003 | Toyota | 4Runner | 4.7L | V8 | 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.