Cardone 21-5859 Power Steering Pump

Reliable Power Steering Pump for Isuzu Trooper

The Cardone Power Steering Pump 21-5859 is a remanufactured hydraulic pump designed specifically for the Isuzu Trooper. Engineered with cast iron housing and a remote reservoir design, this pump ensures consistent steering assist and durability for your vehicle.

• Remanufactured power steering pump with cast iron housing
• Compatible with Isuzu Trooper models
• Includes hydraulic pump, instruction sheet, and sealing kit
• Features hose barb inlet and threaded outlet (16x1.5 thread size)
• O-ring type hose port for secure connections
• Single outlet design with bolt-on pulley attachment (pulley not included)
• Remote reservoir compatible, reservoir cap not included

About the Cardone Power Steering Pump Line

The Cardone Power Steering Pump product line focuses on remanufactured components that meet or exceed original equipment specifications. This line offers reliable hydraulic pumps designed to restore proper steering function and reduce noise or assist issues. The 21-5859 pump is part of this line, providing a durable cast iron housing and precise fitment for the Isuzu Trooper.

Product Details and Specifications

This power steering pump features a cast iron housing for strength and longevity. The inlet uses a hose barb attachment type, while the outlet is threaded with a 16x1.5 size, ensuring compatibility with factory steering hoses. The hose port uses an O-ring seal to prevent leaks. The pump includes a sealing kit and instruction sheet for proper installation. Note that the pulley is not included and must be reused or purchased separately. The pump is designed for vehicles with a remote reservoir system, and the reservoir cap is not part of the package.

Common Steering Issues Addressed

• Whining noises caused by air in the power steering system
• Hard steering or lack of assist at low engine RPM
• Contamination-related pressure hose problems
• Steering assist only increasing with engine speed
• Input shaft wear causing pulley fitment issues

Installation Notes and Tips

• Ensure the power steering fluid is changed or flushed to avoid contamination
• Check the condition of the pulley before installation, as it is not included
• Use the included sealing kit to prevent leaks at hose connections
• Bleed the system properly to remove air and prevent whining noises
• Verify compatibility with your Isuzu Trooper model year before installation

Quality Assurance and Warranty

The Cardone 21-5859 power steering pump is remanufactured to meet OEM standards, ensuring reliable performance and durability. While specific warranty details are not provided here, Cardone products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product documentation or Cardone for exact warranty terms.