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<h2>What is an air spring?</h2>Air springs, also known as airbags or pneumatic suspension systems, provide a number of benefits to a car's performance and ride quality.&nbsp;Firstly, air springs allow for a smoother ride by providing a cushion of air between the vehicle and the road. This can help to absorb bumps and shocks, providing a more comfortable ride for the driver and passengers.Besides, air springs can be adjusted to change the ride height of the vehicle. This is particularly useful for vehicles that need to carry heavy loads or tow trailers, as the ride height can be adjusted to compensate for the added weight and maintain a level ride. Additionally, some high-end cars use air springs as part of an active suspension system, which can automatically adjust the ride height and firmness based on road conditions and driving style. Air springs can also provide improved handling and stability for a vehicle. By adjusting the air pressure in the springs, the driver can fine-tune the handling characteristics of the car, such as reducing body roll in corners or improving traction during acceleration or braking.<h2>5 symptoms of bad air springs</h2>There are several symptoms that can indicate the problem when the air springs in a car are failing or malfunctioning.A bad air spring can result in a harsh or bouncy ride, especially over uneven roads or bumps. This is due to the loss of damping provided by the air spring.&nbsp;Besides, if the air springs are not functioning properly, the suspension may sag lower than normal, which can cause the tires to rub against the wheel wells and lead to increased tire wear.A failing air spring can also cause the suspension to make noise, such as creaking, squeaking, or rattling sounds. This can be due to the air spring failing to properly cushion and isolate the suspension components from each other. If the vehicle is equipped with air springs to assist with towing or hauling heavy loads, a failing air spring can make it difficult to maintain proper ride height and handling performance when carrying heavy cargo. If you notice any braking and handling performance issues in the car, consider an air spring problem, too. This can result in longer stopping distances, reduced cornering grip, and less responsive steering.To address any issues with the air springs promptly, you are always suggested to advise a qualified mechanic or technician and have your vehicle inspected ASAP.

Air Spring

Air Cleaner

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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

Air Intake Resonator

Electric Vacuum Pump

Engine Air Duct Assembly

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Engine Air Filter

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Intake Manifold

Intake Manifold Flap Actuator

Intake Manifold Repair Bracket

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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Radiator

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Radiator Control Fan Module

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Radiator Core Support Skid Bar Plate

Radiator Fan Cooling Motor

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Radiator Hose

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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.

2009 Ford Expedition Air Spring

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