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<h2><span style="font-size: 18px;">What is a steering knuckle assembly?</span></h2><p style="text-align: justify;"><span style="font-size: 14px;">A steering knuckle assembly is a key component of a vehicle's steering and suspension system. It is essentially a connection point between the wheel and the suspension, allowing the wheel to turn left and right while also supporting the weight of the vehicle. The steering knuckle assembly is located at the front of the vehicle, and it contains several important parts including the hub, spindle, bearings, and steering arm. When the driver turns the steering wheel, the steering system uses various mechanical linkages and hydraulic components to transfer that motion to the steering knuckle assembly, causing the wheels to turn accordingly. The steering knuckle assembly also helps <a href="https://a-premium.com/shock-absorber">absorb shock</a> and vibration from the road, providing a smoother ride for the driver and passengers.</span><strong><img style="display: block; margin-left: auto; margin-right: auto;" src="https://media.cdn.a-premium.com/2022/item/image/93a12585e3ec4b46b9852abaf8a8d172.gif" alt="steering knuckle assembly diagram" width="1000" height="375" /></strong></p><h2><span style="font-size: 18px;">Common reasons for steering knuckle assembly failure</span></h2><p><span style="font-size: 14px;">Steering knuckle assemblies can fail due to a variety of factors, including excessive wear and tear over time, lack of proper lubrication leading to increased friction, impact damage from driving over road hazards, corrosion from environmental exposure, improper installation or maintenance, manufacturing defects, overloading the vehicle beyond its capacity, and suspension modifications that place additional stresses on the system.&nbsp;</span></p><h2><span style="font-size: 16px;">A-Premium steering knuckle: Steering you to a smoother drive</span></h2><p style="text-align: justify;"><span style="font-size: 14px;">Engineered to high standards, A-Premium's steering knuckle assemblies deliver uncompromising durability, responsiveness, and safety to elevate your driving experience. Featuring corrosion-resistant components and a robust, well-integrated design, our products maintain peak performance over the long haul, minimizing maintenance needs while providing precise, confident maneuvering even in demanding conditions. Trusted for their seamless compatibility and hassle-free installation, <a href="https://a-premium.com/">A-Premium</a> steering knuckle assemblies empower drivers to enjoy a smoother, more reliable ride, backed by our commitment to quality. Elevate your vehicle's performance with our reliable, high-performing solution. In addition to offering a 90-day free return policy and a 3-year warranty, our customer service team is available 24/7 to assist you.</span></p>

Steering Knuckle Assembly

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Air Cleaner

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Air Filter Box

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

Air Flow Sensor

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Air Intake Duct

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Air Intake Hose

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Air Intake Manifold Actuator Control Solenoid

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Air Intake Manifold Flap Adjuster

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Air Intake Manifold Runner Control Sensor

Air Intake Resonator

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Electric Vacuum Pump

Engine Air Duct Assembly

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Engine Air Filter

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Intake Manifold

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Intake Manifold Flap Actuator

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Intake Manifold Repair Bracket

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Intake Manifold Runner Control Valve

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Intercooler

Intercooler Hose

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Oxygen Sensor

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Pressure Sensor

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Supercharger Pulley Drive Unit

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Supercharger Snout Rebuild Kit

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Throttle Body

Throttle Cable

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Throttle Position Sensor

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Turbocharger

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Turbocharger Gasket Kit

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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

Camshaft Kit

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Camshaft Timing Gear

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Camshafts

Chain Tensioner Adjuster

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Cylinder Head

Cylinder Head Assembly

Eccentric Shaft Actuator

Engine Timing Belt

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Engine Valve Cover

Engine Valve Cover Gasket

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Harmonic Balancer

Rocker Arm

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Rocker Arm Shaft Lifter Assembly

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Timing Belt Kit

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Timing Chain Gear

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Timing Chain Kit

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Timing Cover

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Timing-Control Valve Solenoid

Valve Cover Gasket

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Valve Lifter Guides

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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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Crank Installer Tool

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Crankcase Breather Hose

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Crankcase Breather Valve

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Crankshaft Position Sensor

Crankshaft Pulley

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Engine Oil Dipstick

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Engine Oil Dipstick Tube

Engine Oil Filter

Engine Oil Pan Gasket

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Flywheel

Harmonic Balancer Crankshaft Hub

Knock Sensor

Oil Baffle

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Oil Cooler

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Oil Cooler Line

Oil Drip Pan

Oil Filler Cap

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Oil Filter

Oil Filter Base

Oil Filter Cover

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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

Oil Separator

Serpentine Belt

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Cranks, Pistons, Oil & Components

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Camshaft Position Sensor

Camshaft Position Sensor & Magnet Kit

Connector Plug

Distributor Cap

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Electronic Ignition System

Engine Valve Covers & Ignition Coils Kits

Glow Plug

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Glow Plug Relay Module

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Ignition Coil

Ignition Coils & Spark Plugs & Wires Kits

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Ignition Coils & Spark Plugs Kits

Ignition Coils & Wires Kits

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Ignition Distributor

Ignition Lock Cylinder

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Ignition Starter Switch

Ignition Switch Actuator

Kill Switch

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

Pulley

Engine Components & Accessories

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Active Grille Shutter Actuator

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Auxiliary Water Pump

Drive Motor Inverter Cooler

Electric Engine Water Pump

Engine Coolant Air Bleeder Valve

Engine Coolant Pipe

Engine Coolant Shut Off Valve

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Expansion Tank

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Expansion Tank Mounting Plate

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Fan Pulley Bracket

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Fuel Cooler

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Overflow Hose Connector

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Engine Cooling

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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.

2012 Lexus ES350 Steering Knuckle Assembly

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