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Atlantic Automotive Enterprises 50166N Power Steering Pump
OE-Style Power Steering Pump for Audi
Restore hydraulic steering performance with Atlantic Automotive Enterprises New Power Steering Pump, part number 50166N. This application-specific replacement is built for select Audi A4, A4 Quattro, A5, and A5 Quattro models with the correct OE-style fitment and hydraulic operation.
AAE’s New Power Steering Pump line focuses on OE-quality components, tested operation, and direct-fit replacement for service work on Audi steering systems.
Key Features
- Return pipe included and preinstalled for the listed applications.
- Each unit is 100% hydraulically tested under load in the USA.
- Engineered to meet or exceed OE specifications for performance, fit, and function.
- Sold without a core charge.
- Application-specific design for select Audi A4, A4 Quattro, A5, and A5 Quattro vehicles.
Detailed Description
Atlantic Automotive Enterprises 50166N is a new hydraulic power steering pump for 2009-2012 Audi A4 and Audi A4 Quattro, plus 2010-2012 Audi A5 and Audi A5 Quattro models with PR Code 1N1 or 1N3. It is supplied with the return pipe preinstalled and is listed without a reservoir, matching the specified OE-style configuration. For buyers searching for a new power steering pump for Audi A4 Quattro or a replacement power steering pump for Audi A5, this part number 50166N provides a direct-fit service solution.
Before shipment, each pump is inspected and tested to verify hydraulic operation and fitment. The manufacturer also recommends flushing the steering system with OE-approved power steering fluid and replacing the steering fluid reservoir when installing a new pump, since a restricted reservoir can starve the replacement unit.
What It Helps Address
- Hard or inconsistent steering effort
- Whining or noisy hydraulic steering operation
- Low hydraulic pressure from a worn pump
- Leaks or failure at the original power steering pump assembly
- Steering performance issues on Audi A4, A4 Quattro, A5, and A5 Quattro applications
Installation Notes
- Verify PR Code 1N1 or 1N3 before ordering.
- Confirm the vehicle uses the listed configuration with pulley, without reservoir, and with return pipe.
- Flush the steering system before installing the new pump.
- Use OE-approved power steering fluid only.
- Inspect the steering fluid reservoir and replace it if restricted or contaminated.
Quality Assurance
AAE New Hydraulic Power Steering Pumps are manufactured with OE-quality components and tested in the USA under load before shipment. Part number 50166N is built to meet OE-style performance and fitment expectations for the listed Audi applications. This part cross-references 8K0145153F for the same application.
| Brand | Atlantic Automotive Enterprises |
| Part Number | 50166N |
| Position | New Power Steering Pump |
| Application Type | Application specific |
| Bullet Point 1 | Return pipe included and preinstalled. |
| Bullet Point 2 | Each unit is 100% hydraulically tested under load in the usa. |
| Bullet Point 3 | Aae pumps are engineered to meet or exceed oe specifications in p |
| Bullet Point 4 | It is highly recommended to replace steering fluid reservoir when |
| Bullet Point 5 | Aae new p/s pumps are sold without a core charge. |
This part fits 15 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2012 | Audi | A4 | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2012 | Audi | A4 Quattro | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2012 | Audi | A5 | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2012 | Audi | A5 Quattro | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2011 | Audi | A4 | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2011 | Audi | A4 Quattro | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2011 | Audi | A5 | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2011 | Audi | A5 Quattro | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2010 | Audi | A4 | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2010 | Audi | A4 Quattro | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2010 | Audi | A5 | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2010 | Audi | A5 Quattro | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump | |
| 2009 | Audi | A4 | Sedan | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump |
| 2009 | Audi | A4 Quattro | Sedan | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New Power Steering Pump |
| 2009 | Audi | A4 Quattro | Wagon | 2.0L | L4 | N/A | New, w/PR Code 1N1, 1N3, w/Pulley, w/o Reservoir, w/Return Pipe; New 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.