Cardone 21-5450 Power Steering Pump

Remanufactured Power Steering Pump for Nissan

Cardone 21-5450 is a remanufactured power steering pump built for direct replacement in select Nissan applications. It is engineered to meet or exceed original equipment performance, with tested internal components and a hydraulic efficiency check for dependable steering assist.

Compatible with 2004-2006 Nissan Altima and 2004-2006 Nissan Sentra, this pump is a fit-focused replacement for vehicles using a remote reservoir setup. The Cardone Power Steering Pump line emphasizes OE-style fit, calibrated operation, and durable sealing materials for long-term service.

Key Features

• Remanufactured OE-style power steering pump for precise vehicle fit
• Triple-tested critical components, including cam packs and spool valves
• 100% new O-rings and premium HNBR seals to help reduce leaks
• Computer-tested final assembly for pressure, bypass, flow, valve operation, steering effort, and noise
• Surfaced shafts to help reduce premature seal wear
• 100% tested and calibrated pressure relief valves
• Aluminum housing with threaded outlet and hose barb inlet
• Remote reservoir design; reservoir not included

Detailed Description

Cardone 21-5450 is a remanufactured power steering pump for Nissan Altima and Nissan Sentra models from 2004 through 2006. It uses an O-ring hose port type, a 16x1.5 threaded outlet, and a bolt-on pulley attachment style. The unit is supplied with a hydraulic pump, instruction sheet, and sealing kit, and it is built without a reservoir or reservoir cap.

This part cross-references Nissan 491106Z700 for the same application. For 2004-2006 Nissan Altima and 2004-2006 Nissan Sentra service, part number 21-5450 provides an OE-style replacement that is tested for hydraulic efficiency and calibrated for consistent steering assist.

Common Problems This Pump Can Address

• Loss of power steering assist at idle or low engine speed
• Whining or noisy pump operation
• Steering effort that becomes inconsistent after pump replacement
• Leaks from worn seals, O-rings, or pressure-side connections
• Poor hydraulic flow caused by internal wear or contamination

Installation Notes and Tips

• Fits 2004-2006 Nissan Altima, N/A; reservoir not included, in-line filter, OE fluid and system flush required for warranty.
• Fits 2004-2006 Nissan Sentra, N/A; reservoir not included, in-line filter, OE fluid and system flush required for warranty.
• Flush the steering system before installation to remove contamination and old fluid.
• Bleed the system after installation to remove trapped air and verify assist.
• Inspect the pulley fit before reuse; a loose or damaged pulley should be replaced.
• Check steering components for binding if assist remains uneven after installation.

Quality Assurance

Cardone remanufacturing reduces the energy and raw material needed to produce a new part by about 80%. Each unit is tested for hydraulic performance and critical function before release, with calibrated relief valves and upgraded sealing materials used to support reliable operation.