HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsCardone 21-5042 Power Steering Pump
Part #: 21-5042

Cardone 21-5042 Power Steering Pump

Power Steering Pump
9 vehicles fit this part
Select your vehicle to confirm fitment
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OE Direct Replacement — Bolt-on fit, no modifications needed
Power Steering Pump
Fitment: Audi, A4 and A4 Quattro
Easy Returns — Return within 60 days for a full refund
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Overview of Cardone Power Steering Pump 21-5042

The Cardone Power Steering Pump 21-5042 is a remanufactured hydraulic pump designed specifically for Audi A4 and A4 Quattro models. Engineered with an aluminum housing and a washer-type hose port, this pump ensures reliable power steering performance for your vehicle.

  • Remanufactured power steering pump for Audi A4 and A4 Quattro
  • Durable aluminum housing material
  • Hose barb inlet attachment and threaded outlet (16x1.5 thread size)
  • Press-on pulley attachment type (pulley not included)
  • Includes hydraulic pump and instruction sheet
  • Remote reservoir compatible (reservoir and cap not included)

About the Cardone Power Steering Pump Product Line

The Cardone Power Steering Pump line focuses on remanufactured components that meet or exceed OEM specifications. This product line emphasizes quality and durability by using robust materials such as aluminum housings and precise attachment types. The 21-5042 pump is part of this line, offering a reliable replacement option for Audi A4 and A4 Quattro vehicles requiring a hydraulic power steering pump.

Detailed Product Description

This Cardone power steering pump features a washer-type hose port and a hose barb inlet attachment, facilitating secure and leak-resistant connections. The outlet is threaded with a 16x1.5 size, designed for compatibility with the vehicle’s power steering system. The pump’s aluminum housing provides strength while helping to dissipate heat effectively. It is a remanufactured unit, ensuring that it has been thoroughly tested and rebuilt to restore proper function. Note that the pulley and mounting hardware are not included, and the pump uses a press-on pulley attachment type. The product package contains the hydraulic pump and an instruction sheet to assist with installation.

Common Applications and Issues Addressed

  • Replacement for failing or noisy power steering pumps on Audi A4 and A4 Quattro
  • Resolves whining noises often caused by air in the system or contamination
  • Improves steering assist performance, especially at low engine RPMs
  • Addresses hard steering issues in one direction after pump replacement
  • Helps restore proper hydraulic pressure and fluid flow in the power steering system

Installation Notes and Tips

  • Ensure the power steering fluid is flushed and replaced to avoid contamination
  • Check for air in the system if a whining noise persists after installation
  • Verify compatibility with your Audi A4 or A4 Quattro model year before installation
  • Use proper tools for press-on pulley attachment and threaded outlet connections
  • Follow the included instruction sheet carefully for correct mounting and hose attachment

Quality Assurance and Warranty

The Cardone Power Steering Pump 21-5042 is a remanufactured product that undergoes rigorous testing to meet quality standards. While specific warranty details are not provided here, Cardone typically offers warranties on their remanufactured parts to ensure customer confidence and product reliability. This pump is designed to restore proper steering function and durability consistent with OEM expectations.

BrandCardone
Part Number21-5042
PositionPower Steering Pump
E-WasteNo
Hose Port TypeWasher
Housing MaterialAluminum
Mounting Hardware IncludedNo
Package ContentsHydraulic Pump; Instruction Sheet
Power Steering Outlet ID Size0
Power Steering Outlet Thread Size16x1.5
Power Steering Pump Inlet Attachement TypeHose barb
Power Steering Pump Outlet Attachment TypeThreaded
Power Steering Reservoir Cap IncludedNo
Product ConditionRemanufactured
Pulley Attachement TypePress-On
Pulley IncludedNo
Remote ReservoirYes
Reservoir IncludedNo

This part fits 9 vehicles. Search below:

YearMakeModelBody TypeLitersCylindersPositionNotes
1999AudiA41.8LL4N/AReservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump
1999AudiA4 QuattroSedan1.8LL4N/AReservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump
1998AudiA41.8LL4N/AReservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump
1998AudiA4 Quattro1.8LL4N/AReservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump
1997AudiA41.8LL4N/AReservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump
1997AudiA42.8LV6N/AReservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump
1997AudiA4 QuattroN/AReservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump
1996AudiA4N/AReservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump
1996AudiA4 QuattroN/AReservoir 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:

8D01451568D0145156A

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