56110RNAA01 Power Steering Pump

Power Steering Pump 56110RNAA01

The 56110RNAA01 Power Steering Pump, also known as 56110RNAA02 Power Steering Pump, 56110RNAA02 for HONDA, 56110RNAA02 for HONDA CIVIC 2006-2011 and 56110RNAA01 Car Power Steering Pump, is an OE-specification hydraulic vane pump designed for Honda hydraulic power steering systems. Driven by the engine through a serpentine belt, the pump continuously supplies pressurized hydraulic fluid to the steering gear, providing smooth steering assistance, precise steering response, and reduced steering effort for improved vehicle handling and driving comfort.

Manufactured to Honda OE specifications, this power steering pump incorporates a precision-machined vane rotor, integrated flow-control and pressure-relief valve, high-strength aluminum housing, and premium sealing components to ensure stable hydraulic pressure, low operating noise, and long service life. Designed as a direct replacement for the original equipment unit, the original OEM 56110RNAA01 has been superseded by 06531-RNA-000.

OE-quality replacement for OEM 56110-RNA-A01

Superseded by OEM 06531-RNA-000

Hydraulic vane pump design

Integrated pressure-relief and flow-control valve

Provides stable hydraulic pressure for smooth steering assistance

Precision-balanced rotor minimizes vibration and operating noise

High-strength aluminum alloy housing

Premium shaft sealing system for leak prevention

Factory pressure-tested and leak-tested before shipment

Direct OE replacement for easy installation

● Pump Housing

High-strength die-cast aluminum housing provides excellent rigidity, corrosion resistance, and efficient heat dissipation.

● Rotor and Vane Assembly

Precision-machined rotor and sliding vanes generate stable hydraulic pressure with high volumetric efficiency.

● Cam Ring

Optimized cam profile improves hydraulic efficiency while reducing internal wear.

● Pressure Relief Valve

Integrated pressure-relief valve protects the steering system from excessive hydraulic pressure.

● Flow Control Valve

Maintains stable hydraulic flow across different engine speeds for consistent steering assistance.

● Drive Shaft Assembly

Transfers engine torque efficiently to the internal pumping mechanism.

● Bearing Assembly

High-quality bearings ensure smooth operation while reducing friction and wear.

● Shaft Seal System

Premium oil seals effectively prevent hydraulic fluid leakage and maintain stable operating pressure.

● Hydraulic Ports

OE-standard inlet and outlet ports provide direct compatibility with the original steering hydraulic circuit.

Note: This pump is designed for 8th-generation Honda Civic (FA/FG/FD chassis) equipped with hydraulic power steering. It is not applicable to models equipped with Electric Power Steering (EPS). Always verify compatibility using the VIN number and OEM part number before installation.

Disconnect the vehicle battery before installation.

Inspect the steering rack, hydraulic hoses, reservoir, and fittings for contamination or wear.

Flush the hydraulic steering system if the previous pump has failed internally.

Fill the system only with Honda Genuine Power Steering Fluid or an equivalent fluid meeting Honda specifications.

Tighten all hydraulic fittings according to OE torque specifications.

Bleed the steering system thoroughly after installation to remove trapped air.

Check for hydraulic leaks and abnormal operating noise.

Verify steering assistance during the initial road test.

Recheck the hydraulic fluid level after the first test drive.

Always confirm compatibility using the VIN number and OEM part number before installation.

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