HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsCardone 21-5394 Power Steering Pump
Part #: 21-5394

Cardone 21-5394 Power Steering Pump

Power Steering Pump
⚙️ 5 vehicles fit this part
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Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Power Steering Pump
🚗Fitment: Mercedes-Benz, ML350 and ML500
🔄Easy Returns — Return within 60 days for a full refund
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Overview of Cardone Power Steering Pump 21-5394

The Cardone Power Steering Pump 21-5394 is a remanufactured component designed specifically for Mercedes-Benz ML350 and ML500 models. This power steering pump helps restore proper steering assist and performance by replacing worn or faulty units.

  • Remanufactured power steering pump for Mercedes-Benz ML350 and ML500
  • Aluminum housing for durability and heat dissipation
  • Quick connect inlet and threaded outlet attachment types
  • Includes hydraulic pump, instruction sheet, and sealing kit
  • Press-on pulley attachment type (pulley not included)
  • O-ring type hose port for secure connections
  • Power steering outlet thread size 16x1.5

Detailed Product Description

This Cardone Power Steering Pump 21-5394 is engineered to meet the specifications required by Mercedes-Benz ML350 and ML500 vehicles. The pump features an aluminum housing that provides strength while helping to dissipate heat generated during operation. It uses a quick connect inlet attachment and a threaded outlet, ensuring compatibility with the original power steering system components. The pump comes with a sealing kit and an instruction sheet to assist with installation, although mounting hardware and pulley are not included. The press-on pulley attachment type allows for easy pulley installation if you are reusing the original pulley.

The Cardone Power Steering Pump product line focuses on remanufactured components that restore factory performance and reliability. Each pump undergoes a thorough rebuilding process to ensure proper function and longevity, making it a practical replacement option for vehicles experiencing steering assist issues.

Common Applications and Issues Addressed

  • Restores power steering assist in Mercedes-Benz ML350 and ML500
  • Eliminates whining noises caused by worn or damaged pumps
  • Resolves hard steering or inconsistent assist during engine rpm changes
  • Fixes leaks or pressure loss due to faulty pump seals or housings
  • Addresses contamination-related steering problems by replacing the pump

Installation Notes and Tips

  • Ensure the original pulley is compatible or transfer it to the new pump, as pulley is not included
  • Use the included sealing kit to prevent leaks at hose connections
  • Check power steering fluid condition and replace fluid if recommended by the vehicle manufacturer
  • Verify hose port O-ring condition and replace if necessary to maintain a secure seal
  • Follow the instruction sheet carefully for proper mounting and connection procedures

Quality Assurance and Warranty

The Cardone Power Steering Pump 21-5394 is a remanufactured product that meets industry standards for performance and durability. While specific warranty details are not provided here, Cardone typically offers limited warranties on remanufactured parts to cover defects in materials and workmanship. It is recommended to consult the product documentation or Cardone directly for exact warranty terms.

BrandCardone
Part Number21-5394
PositionPower Steering Pump
E-WasteNo
Hose Port TypeO-Ring
Housing MaterialAluminum
Mounting Hardware IncludedNo
Package ContentsHydraulic Pump; Instruction Sheet; Sealing Kit
Power Steering Outlet ID Size0
Power Steering Outlet Thread Size16x1.5
Power Steering Pump Inlet Attachement TypeQuick Connect
Power Steering Pump Outlet Attachment TypeThreaded
Power Steering Reservoir Cap IncludedNo
Product ConditionRemanufactured
Pulley Attachement TypePress-On
Pulley IncludedNo
Remote ReservoirNo
Reservoir IncludedNo

This part fits 5 vehicles. Search below:

YearMakeModelPositionNotes
2005Mercedes-BenzML350N/ABolt-Retained Pulley; 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
2005Mercedes-BenzML500N/AReservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump
2004Mercedes-BenzML350N/ABolt-Retained Pulley; 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
2004Mercedes-BenzML500N/AReservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump
2003Mercedes-BenzML350N/ABolt-Retained Pulley; 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:

0034666401

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.