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Cardone 21-5006 Power Steering Pump
| Brand | Cardone 21-5006 |
|---|---|
| E-Waste | No |
| Hose Port Type | Seat |
| Housing Material | Aluminum |
| Mounting Hardware Included | No |
| Package Contents | Hydraulic pump; instruction sheet |
| 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 Pump Outlet Quantity | 1 |
| Power Steering Reservoir Cap Included | No |
| Product Condition | Remanufactured |
| Pulley Attachement Type | Bolt-on |
| Pulley Included | No |
| Remote Reservoir | No |
| Reservoir Included | Yes |
| Product line | Power Steering Pump |
| Fits | Mercedes-Benz · 8 vehicles |
Remanufactured OE part. Engineered to meet or exceed original performance.
Hydraulic efficiency tested. Delivers reliable, long-lasting steering performance.
Aluminum housing. Lightweight construction helps support durability.
Cross-references Mercedes-Benz 56110P2A963, Mercedes-Benz 1404665101 and Mercedes-Benz 1404666001 for the same application. See all 3.
Will it fit your vehicle?
Free return shipping if it doesn't fit.
Remanufactured Power Steering Pump for Mercedes-Benz
Restore steering assist with this remanufactured Cardone power steering pump, part number 21-5006. It is built for Mercedes-Benz applications that use a ZF pump and reservoir, with fitment for select 1992-1993 Mercedes-Benz 300SE and 1994-1999 Mercedes-Benz S320 models.
Key Features
- Remanufactured Original Equipment-style power steering pump for precise vehicle fit
- Triple-tested critical components, including cam packs and spool valves, for reliable operation
- Computer-tested final assembly checks pressure, bypass, fluid flow, valve operation, steering effort, and noise
- 100% new O-rings and premium HNBR seals help resist leaks and high-temperature breakdown
- Surfaced shafts help reduce premature seal wear and extend service life
- Supplied with a tested and calibrated pressure relief valve
- Reservoir included; aluminum housing; threaded outlet with 16x1.5 thread size
Product Details
Cardone Power Steering Pump 21-5006 is a remanufactured hydraulic pump engineered to meet or exceed original equipment performance. The remanufacturing process focuses on wear points and hydraulic function, then verifies output through efficiency testing before release. This approach supports consistent steering response in Mercedes-Benz 300SE and Mercedes-Benz S320 applications where the original pump has lost pressure, developed noise, or begun leaking. This part cross-references Mercedes-Benz 56110P2A963 and 1404665101 for the same application.
What It Helps Fix
- Hard steering at low engine speed
- Whining or groaning from the power steering pump
- Fluid leaks at the pump seals or connections
- Weak or inconsistent steering assist
- Pressure loss caused by worn internal pump components
Installation Notes and Tips
Fits 1992-1993 Mercedes-Benz 300SE, N/A, without Self-Leveling Device and/or Anti-Lock Differential; with ZF Pump; Reservoir Included; In-Line Filter available. Fits 1994-1999 Mercedes-Benz S320, N/A, without Self-Leveling Device and/or Anti-Lock Differential; with ZF Pump; Reservoir Included; In-Line Filter available. For warranty purposes, install an in-line filter, use the suggested OE fluid, and flush the system before operation. If steering assist is weak after installation, inspect for contamination in the flow control valve, check for binding steering components, and verify the pulley fit before reuse.
Quality Assurance
Cardone remanufactures this pump with tested internal components, calibrated pressure relief valves, and hydraulic efficiency verification to support dependable operation. The process also reduces raw material and energy use compared with manufacturing a new part.
| Year | Make | Model | Position | Notes |
|---|---|---|---|---|
| 1999 | Mercedes-Benz | S320 | N/A | without Self-Leveling Device and / or Anti-Lock Differential; with ZF Pump; Reservoir 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 |
| 1998 | Mercedes-Benz | S320 | N/A | without Self-Leveling Device and / or Anti-Lock Differential; with ZF Pump; Reservoir 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 |
| 1997 | Mercedes-Benz | S320 | N/A | without Self-Leveling Device and / or Anti-Lock Differential; with ZF Pump; Reservoir 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 |
| 1996 | Mercedes-Benz | S320 | N/A | without Self-Leveling Device and / or Anti-Lock Differential; with ZF Pump; Reservoir 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 |
| 1995 | Mercedes-Benz | S320 | N/A | without Self-Leveling Device and / or Anti-Lock Differential; with ZF Pump; Reservoir 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 |
| 1994 | Mercedes-Benz | S320 | N/A | without Self-Leveling Device and / or Anti-Lock Differential; with ZF Pump; Reservoir 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 |
| 1993 | Mercedes-Benz | 300SE | N/A | without Self-Leveling Device and / or Anti-Lock Differential; with ZF Pump; Reservoir 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 |
| 1992 | Mercedes-Benz | 300SE | N/A | without Self-Leveling Device and / or Anti-Lock Differential; with ZF Pump; Reservoir 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 |
| No rows match your filter. | ||||