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<h2>What is a power steering pump?</h2>
A power steering pump is a device in your vehicle whose primary function is to make sure that all the power steering fluid in your car reaches the different components required to achieve in your steering system. Since we are talking about hydraulic fluid here, which is responsible for the hydraulic power that keeps your car under control on the road. A properly working pump is always important. &nbsp; What happens is with time, power steering pumps begin to reduce their performance as these aren&rsquo;t designed to perform ideally lifetime. However, the good news is that your power steering pump will show some symptoms before failing, so you have ample time to call to action between the steering pump and pump failure.&nbsp;
<h2>Power steering pump failure symptoms</h2>
<ul>
<li style="text-align: justify;">Difficulty steering: The steering wheel may become much harder to turn, requiring significantly more effort from the driver. The steering may feel heavy, stiff, or unresponsive, especially at lower speeds.</li>
<li style="text-align: justify;">Whining or groaning noises: A malfunctioning power steering pump often produces audible whining, groaning, or whirring noises, especially when turning the steering wheel. The noise may increase in volume as the engine RPM increases.</li>
<li style="text-align: justify;">Fluid leaks: Fluid leaks around the power steering pump or in the power steering system lines can indicate a problem with the pump. Drivers may notice a puddle of power steering fluid under the vehicle or low fluid levels in the power steering reservoir.</li>
<li style="text-align: justify;">Power steering assistance failure: In severe cases, the power steering pump may fail completely, resulting in a total loss of power steering assist. The steering wheel will become extremely difficult to turn, making the vehicle almost impossible to steer at low speeds.</li>
<li style="text-align: justify;">Steering wheel vibration or shaking: A failing power steering pump can cause the steering wheel to vibrate or shake, especially when turning. This is often due to the pump failing to provide consistent pressure and flow to the power steering system.</li>
<li style="text-align: justify;">Overheating power steering system: A malfunctioning power steering pump may cause the overall system to overheat, leading to a loss of steering assist. Drivers may notice the power steering fluid becoming very hot to the touch.</li>
</ul>
<h2>Precision in motion: A-Premium power steering pump</h2>
Crafted with high-quality materials and advanced manufacturing techniques, the A-Premium power steering pump delivers exceptional performance and uncompromising durability. Its optimized motor and gear systems provide ample steering assistance with minimal power consumption, while advanced noise-reducing technology ensures quiet operation. Seamlessly integrated with your vehicle's electronic systems, this pump intelligently adjusts its output to match your driving needs, ensuring precise and responsive steering control. We provide 24/7 service time, great product quality, 90 days free return, and 3 years warranty. We always believe that your shopping experience matters a lot.&nbsp;

Power Steering Pump

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Air Filter Box

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Air Flow Sensor

Air Intake Duct

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Air Intake Hose

Air Intake Manifold Actuator Control Solenoid

Air Intake Manifold Flap Adjuster

Air Intake Manifold Runner Control Sensor

Electric Vacuum Pump

Engine Air Duct Assembly

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Engine Air Filter

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Intake Manifold

Intake Manifold Flap Actuator

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Intercooler

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Oxygen Sensor

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Pressure Sensor

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Throttle Body

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Throttle Position Sensor

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Turbocharger

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Turbocharger Oil Line

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Vacuum Pump

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Air Filters & Intake Systems

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Camshaft Adjuster

Camshaft Adjuster Cover

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Camshaft Timing Gear

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Camshafts

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Engine Valve Cover

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Harmonic Balancer

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Timing Belt Kit

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Timing Chain Kit

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Timing Cover

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Timing-Control Valve Solenoid

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Valve Lifters Tappet

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Cams, Timing & Valvetrain

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Belt Tensioner

Coolant Level Sensor

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Crankcase Breather Hose

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Crankcase Breather Valve

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Crankshaft Position Sensor

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Engine Oil Dipstick Tube

Engine Oil Filter

Engine Oil Pan Gasket

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Flywheel

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Oil Cooler

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Oil Cooler Line

Oil Filler Cap

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Oil Filter

Oil Filter Base

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Oil Filter Housing

Oil Filter Housing Cover

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Oil Level Sensor

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Oil Pan

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Oil Pump

Oil Pump Drive Gear Shaft

Oil Pump Pickup Tube

Cranks, Pistons, Oil & Components

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Camshaft Position Sensor

Camshaft Position Sensor & Magnet Kit

Connector Plug

Distributor Cap

Engine Valve Covers & Ignition Coils Kits

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Glow Plug Relay Module

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Ignition Coil

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Ignition Coils & Spark Plugs Kits

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Ignition Distributor

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Ignition Starter Switch

Ignition Switch Actuator

Knock Detonation Sensor

Relay

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Spark Plug

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Spark Plug Wire

Electronic Control Modules, Ignition & Distributors

Engine Wiring Harness

Intake Manifold Repair Kit

Engine Components & Accessories

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Auxiliary Water Pump

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Expansion Tank

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Expansion Tank Mounting Plate

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Fuel Cooler

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Radiator

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Radiator Hose

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Radiator Support Assembly

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Temperature Sensor

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Turbo Hose

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Water Coolant Pipe

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Water Outlet

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Engine Cooling

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Engine Mount

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Engine Mounts

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Catalytic Converter

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EGR Valve

Emissions Fluid Pump

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Exhaust Fluid Heater

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Exhaust Gas Temperature Sensor

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Exhaust Manifold

Fuel Tank Breather Valve

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Fuel Vapor Leak Detection Pump

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Nitrogen Oxide Sensor

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Secondary Air Injection Check Valve

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Vapor Canister Vent Solenoid

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Exhaust & Emission Systems

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Fuel Filter

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Fuel Injection Control Module

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Fuel Injection Pressure Regulator

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Fuel Injector

Fuel Injector Kit

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Fuel Injector Module Wiring Harness

Fuel Line Kit

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Fuel Pump

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Fuel Sending Unit

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Fuel Tank Filler Neck Pipe

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Fuel Tank Strap

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High Pressure Fuel Pump

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Idle Air Control Valve

Mechanical Fuel Pump

Oil Pressure Relief Valve

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Fuel Systems & Components

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The engine comprises many essential elements such as the lower cylinder block, upper cylinder head(s), and the cooling & lubricating systems. With A-Premium aftermarket engine components, you can expect that your engine deliver years of reliable performance. We offer a diverse selection of engine components from air filters and ignition coils (kits) to fuel pumps to cater to your needs.

2005 Mercury Mariner Power Steering Pump