HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsAtlantic Automotive Enterprises 63221N Power Steering Pump
Part #: 63221N

Atlantic Automotive Enterprises 63221N Power Steering Pump

New Power Steering Pump
⚙️ 6 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
📦New Power Steering Pump
🚗Fitment: Cadillac, STS
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Reliable Power Steering Pump for Cadillac STS

The Atlantic Automotive Enterprises New Power Steering Pump 63221N is designed specifically for Cadillac STS models. This hydraulic power steering pump offers a standard replacement solution to restore proper steering function and maintain vehicle safety.

  • Hydraulic power steering pump for Cadillac STS
  • Inlet attachment type: clamp-on for secure hose connection
  • Outlet attachment type: threaded for reliable fitting
  • Standard replacement grade for consistent performance
  • Does not include pulley, reservoir, filter, or mounting hardware

About the New Power Steering Pump Line

The New Power Steering Pump line from Atlantic Automotive Enterprises focuses on providing dependable, standard replacement components for power steering systems. This product line is engineered to meet OEM specifications without including additional accessories such as pulleys or reservoirs, allowing for flexible installation based on vehicle requirements.

Product Details and Specifications

This power steering pump (part number 63221N) is a hydraulic type designed to fit Cadillac STS vehicles. It features a clamp-on inlet attachment and a threaded outlet attachment, ensuring secure and leak-free connections within the power steering system. The pump does not come with a pulley, reservoir, filter, or mounting hardware, so these components must be sourced separately if needed. As a standard replacement grade part, it is intended to restore the original steering performance without modification.

Common Applications and Problem Resolution

  • Restores power steering pressure for smooth steering response
  • Replaces worn or leaking power steering pumps in Cadillac STS
  • Eliminates whining or groaning noises caused by pump failure
  • Addresses steering difficulty due to low hydraulic pressure
  • Prevents fluid leaks from damaged or faulty pump seals

Installation Notes and Tips

When installing the Atlantic Automotive Enterprises 63221N power steering pump, ensure compatibility with your Cadillac STS model year. Since the pump does not include a pulley or mounting hardware, verify that existing components are in good condition or obtain replacements as necessary. Properly secure the clamp-on inlet and threaded outlet connections to prevent leaks. Bleed the power steering system after installation to remove air and ensure optimal performance.

Quality Assurance and Warranty

This power steering pump is manufactured to meet standard replacement specifications for Cadillac STS vehicles. While no specific warranty information is provided, Atlantic Automotive Enterprises products typically adhere to industry quality standards to ensure reliable operation and durability.

BrandAtlantic Automotive Enterprises
Part Number63221N
PositionNew Power Steering Pump
Pulley IncludedNo
Inlet Attachment TypeClamp-on
Outlet Attachment TypeThreaded
TypeHydraulic
Mounting Hardware IncludedNo
Grade TypeStandard replacement
Reservoir IncludedNo
Filter IncludedNo
Reservoir Cap IncludedNo

This part fits 6 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2010CadillacSTS4.6LV8N/ANew, w/o Active Stg., w/o Pulley, w/o Reservoir; New Power Steering Pump
2009CadillacSTS4.4LV8N/ANew, w/o Pulley, w/o Reservoir; New Power Steering Pump
2008CadillacSTS4.4LV8N/ANew, w/o Pulley, w/o Reservoir; New Power Steering Pump
2007CadillacSTS4.4LV8N/ANew, w/o Pulley, w/o Reservoir; New Power Steering Pump
2006CadillacSTS4.4LV8N/ANew, w/o Pulley, w/o Reservoir; New Power Steering Pump
2005CadillacSTS4.6LV8N/ANew, w/o Pulley, w/o Reservoir; 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:

2577074325900772

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