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<h2><span style="font-size: 18px;">What is a steering column shaft?</span></h2><p><span style="font-size: 14px;">The steering column shaft, also referred to as the steering shaft, is a key part of a vehicle's steering system. Its main roles are to transmit the driver's steering inputs from the wheel to the steering mechanism, provide structural support and alignment for the steering components, and collapse during a crash to absorb impact. Constructed of steel or aluminum, the steering column shaft may feature universal joints or other flexible <a href="https://a-premium.com/coupling-assembly">couplings</a> to enable the necessary steering articulation. Proper maintenance of this critical component is essential for safe and responsive vehicle handling.</span></p><h2><span style="font-size: 18px;">Pay attention to the bad steering shaft symptoms in your car</span></h2><p><span style="font-size: 14px;">Issues with the steering column shaft can manifest in various symptoms, such as difficulty steering the vehicle, excessive play or looseness in the steering wheel, vibration or shaking of the steering wheel, noises coming from the steering column area, difficulty centering the steering wheel after turns, and increased steering effort, especially at lower speeds. These symptoms indicate problems with the shaft's ability to properly transmit the driver's inputs from the steering wheel to the steering mechanism, maintain proper alignment and support for the steering components, and function as designed. Addressing these problems with the steering column shaft promptly is crucial to ensure safe and responsive vehicle handling.</span></p><h2><span style="font-size: 18px;">Replacing your steering shaft: A simple swap-out guide</span></h2><p><span style="font-size: 14px;">Replacing a steering column shaft is an important repair to address steering-related issues. This component connects the steering wheel to the steering system, so when it becomes worn or damaged, it can lead to problems like heavy, unresponsive steering. We hope this guide can help you replace your steering shaft：</span></p><ul><li><span style="font-size: 14px;">Disconnect the battery, remove the steering wheel, and detach the steering column.</span></li><li><span style="font-size: 14px;">Replace the old steering column shaft with the new one, reassembling the steering column.</span></li><li><span style="font-size: 14px;">Reinstall the steering column, reconnect any electrical components, and reattach the steering wheel.</span></li><li><span style="font-size: 14px;">Align and test the steering, making any necessary adjustments.</span></li><li><span style="font-size: 14px;">Reconnect the battery and test drive to ensure the proper functioning of the new steering column shaft.</span></li></ul><h2><span style="font-size: 18px;">Choose A-Premium steering column shaft: An upgrade for precision control</span></h2><p><span style="font-size: 14px;">Engineered for uncompromising performance and safety, the A-Premium steering column shaft delivers the quality and reliability your vehicle deserves. Crafted from durable, corrosion-resistant materials, this OEM-equivalent replacement ensures a precise, vibration-free fit that restores the smooth, responsive steering feel you expect. Backed by rigorous testing and built to the highest safety standards, the A-Premium steering column shaft provides long-lasting, trouble-free service to keep you in confident control. In addition to offering a 90-day free return policy and a 1-year warranty, our customer service team is available 24/7 to assist you. Select your favorite one to experience the difference that exceptional engineering and attention to detail can make.</span></p>

Steering Column Shaft

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Air Filter Box

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Mass Air Flow Sensors/Car MAF Sensors | A-Premium

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.

2003 Mercury Mountaineer Steering Column Shaft

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