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<h2>What is an engine mount?</h2>An engine mount, also known as a motor mount, is a component of a vehicle's engine system that connects the engine to the frame of the vehicle. The engine mount plays a critical role in supporting the weight of the engine and reducing the amount of vibration that is transmitted to the rest of the vehicle.Typically, an engine mount consists of a metal bracket and a rubber or polyurethane bushing. It is essential for maintaining the stability and balance of the vehicle while it is in motion.<h2>A-Premium engine mount types</h2>According to different methods, engine motor mounts can be classified into various types. When based on the number of mounts used to support the engine, generally engine mounts can be broken into these kinds:<ul><li>Single-point engine mounts: A type of mount that uses only one mounting point to support the engine. This is typically a bracket that is bolted to the engine block and attaches to the vehicle's frame. Single-point mounts are commonly used in smaller vehicles or engines with low horsepower.</li><li>Two-point engine mounts: Mounts use two separate mounting points to support the engine. One mount is typically located at the front of the engine, and the other is located at the rear. This type of mount is commonly used in mid-sized vehicles or engines with moderate horsepower.</li><li>Three-point engine mounts: The type of mount uses three separate mounting points to support the engine. One mount is located at the front of the engine, and two mounts are located at the rear. This type of mount is commonly used in larger vehicles or engines with high horsepower.</li><li>Four-point engine mounts: Four-point engine mounts use four separate mounting points to support the engine. Two mounts are typically located at the front of the engine, and two mounts are located at the rear. This type of mount is commonly used in heavy-duty vehicles or engines with very high horsepower.</li></ul><h2>Bad engine mount symptoms</h2>Recognizing the signs of a defective, worn out or damaged motor mount is important for expediting the repair process. A bad motor mount can cause various secondary symptoms, some of which can be more serious than others. Being able to identify these symptoms is helpful in addressing the issue in a timely manner.<ol><li>Significant vibration </li></ol>When motor mounts start to deteriorate, the engine's vibration can significantly increase and become noticeable inside the vehicle's cabin and through the steering wheel. The cause of this is the reduced ability of the mount to dampen vibration as it wears out. As the wear continues, the vibration often becomes more severe. It's important to note that this vibration can be more intense than when other problems like a defective CV joint or tie rod occur.<ol start="2"><li>Uncommon sounds </li></ol>As engine mounts wear down and become loose, it's not unusual to hear loud and unpleasant noises like "clunking" or "thumping." These sounds are caused by the engine's weight shifting excessively during acceleration. Over time, these symptoms tend to become more severe and noticeable, indicating that the engine mounts need replacement.<ol start="3"><li>Unsteady movement during acceleration</li></ol>When the engine mounts of a vehicle wear out, it's common to experience a sensation of shifting from the front end of the vehicle during acceleration. This is due to excessive engine and transmission movement under heavy powertrain stress. As a result, the increased movement can cause further wear and tear on the remaining engine mounts in many cases.<ol start="4"><li>Engine damage</li></ol>In extreme cases, a vehicle's engine can suffer damage when its motor mounts degrade and allow excessive movement. This occurs when the engine comes into contact with the vehicle's frame, sub-frame, or other structural components.

Engine Mount

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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.

Mercedes-Benz S420 Engine Mount