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<h2>What is a cooling fan?</h2>The cooling fan, sometimes called an engine fan or engine cooling fan is a critical component in a vehicle's <a href="https://a-premium.com/engine-cooling">engine cooling system</a>. Positioned in front of the radiator, the cooling fan's primary role is to enhance heat dissipation from the engine and aid in lowering the temperature of the engine's hot coolant, thus preventing undesirable overheating. This critical component automatically activates when the coolant reaches a specific temperature, preserving the engine's optimum operating parameters. Ensuring the proper functionality of this cooling mechanism is paramount, as it safeguards the engine from heat-related damage, ultimately contributing to the vehicle's long-term dependability and peak performance.<h2>Cooling fan troubleshooting tips</h2>A non-working cooling fan can have various implications depending on driving conditions, and it's essential to pay attention to warning signs. If the cooling fan in your car is not working, you need to take these steps:<ul><li>Stop the vehicle: If the engine is overheating, pull over and turn off the engine immediately.</li><li>Do not drive: Avoid driving the vehicle if the cooling fan isn't working to prevent engine damage.</li><li>Check fuses/relays: Inspect the fuse box for blown fuses and replace them with the same rating. Check and replace the cooling fan relay if needed.</li><li>Inspect wiring: Examine wiring and connections for damage or corrosion. Repair or replace damaged components.</li><li>Test the fan motor: Disconnect the fan motor's electrical connector and test it by applying direct power. Replace the fan motor if it doesn't work.</li><li>Check temperature sensors: Ensure <a href="https://a-premium.com/temperature-sensor">temperature sensors</a> are working correctly and replace them if necessary.</li><li>Consult a mechanic: If you can't resolve the issue or need to replace the fan motor, seek professional help from a mechanic.</li></ul><h2>Engineered for optimal cooling, built for lasting reliability</h2>A-Premium's cooling fan delivers excellent performance and dependability for your vehicle. It uses an efficient airflow design to quickly draw heat away from the engine, maintaining optimal operating temperatures. Built with durable components, this fan offers long-lasting reliability to protect your engine. It also operates quietly, enhancing your driving comfort. By combining advanced cooling, intelligent controls, and robust construction, A-Premium's cooling fan provides comprehensive thermal management to safeguard your engine's health and your vehicle's performance. 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.

Cooling Fan

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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

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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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Intercooler

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Oxygen Sensor

Car Oxygen Sensor Price From $24.99 | A-Premium

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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

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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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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.

Mercedes-Benz E420 Cooling Fan