HomeSteering > Power Steering Hoses, Pumps, and Related ComponentsAtlantic Automotive Enterprises 5889N Power Steering Pump
Part #: 5889N

Atlantic Automotive Enterprises 5889N Power Steering Pump

New Power Steering Pump
2 vehicles fit this part
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
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OE Direct Replacement — Bolt-on fit, no modifications needed
New Power Steering Pump
Fitment: INFINITI, M45
Easy Returns — Return within 60 days for a full refund
Fast Shipping — Most orders ship same business day before 1pm CST

OE-Style Hydraulic Power Steering Pump

Atlantic Automotive Enterprises New Power Steering Pump 5889N is a hydraulic replacement built with OE-quality components for direct-fit service. It is engineered for 2003-2004 INFINITI M45 applications and is supplied without a pulley or reservoir.

Key Features

  • Hydraulic power steering pump
  • Standard replacement grade
  • OE-quality components and fitment
  • 100% tested in the USA before shipment
  • No pulley included
  • No reservoir, filter, or reservoir cap included

Product Details

Part number 5889N is a New Power Steering Pump from Atlantic Automotive Enterprises, part of the AAE New Hydraulic Power Steering Pumps line. This product line focuses on OE-style hydraulic steering components that are inspected and tested to verify operation and fitment before leaving the facility. For 2003-2004 INFINITI M45 service, 5889N provides a direct replacement option for vehicles requiring a pump without a pulley, without a reservoir, and with a return pipe adapter. This part cross-references Monroe Shocks & Struts (e.g., 49110CR900) for the same application.

Common Steering Issues This Pump Addresses

  • Low or inconsistent power steering assist
  • Whining or groaning noise from the steering pump
  • Fluid leakage from a worn hydraulic pump assembly
  • Heavy steering effort at low speeds
  • Loss of steering response caused by pump wear

Installation Notes

Fits 2003-2004 INFINITI M45, N/A. Verify pulley, reservoir, and return pipe adapter requirements before installation, since this pump is supplied without a pulley and without a reservoir. Flush the steering system and refill it with an OE-approved power steering fluid to protect pump life and maintain proper operation.

Quality Assurance

AAE states that each unit is inspected and tested for OE operation and fitment, with final testing completed in the USA before shipment. The 5889N is built to standard replacement specifications for dependable steering system service.

BrandAtlantic Automotive Enterprises
Part Number5889N
PositionNew Power Steering Pump
Pulley IncludedNo
TypeHydraulic
Grade TypeStandard replacement
Reservoir IncludedNo
Filter IncludedNo
Reservoir Cap IncludedNo

This part fits 2 vehicles. Search below:

YearMakeModelLitersCylindersPositionNotes
2004INFINITIM454.5LV8N/ANew, w/o Pulley, w/o Reservoir, w/Return Pipe Adapter; New Power Steering Pump
2003INFINITIM454.5LV8N/ANew, w/o Pulley, w/o Reservoir, w/Return Pipe Adapter; 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:

49110CR900

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