OE Quality
60-Day Returns

Cardone 21-5042 Power Steering Pump
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.
| Brand | Cardone |
|---|---|
| Part Number | 21-5042 |
| Position | Power Steering Pump |
| E-Waste | No |
| Hose Port Type | Washer |
| 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 Reservoir Cap Included | No |
| Product Condition | Remanufactured |
| Pulley Attachement Type | Press-On |
| Pulley Included | No |
| Remote Reservoir | Yes |
| Reservoir Included | No |
This part fits 9 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1999 | Audi | A4 | 1.8L | L4 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 1999 | Audi | A4 Quattro | Sedan | 1.8L | L4 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump |
| 1998 | Audi | A4 | 1.8L | L4 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 1998 | Audi | A4 Quattro | 1.8L | L4 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 1997 | Audi | A4 | 1.8L | L4 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 1997 | Audi | A4 | 2.8L | V6 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |
| 1997 | Audi | A4 Quattro | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |||
| 1996 | Audi | A4 | N/A | Reservoir not included, in-line filter, OE fluid & system flush required for warranty.; Power Steering Pump | |||
| 1996 | Audi | A4 Quattro | 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.