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<h2>What is a differential cover in the car?</h2>
The differential cover, also known as the differential housing or axle housing, is a protective casing that encloses the differential gears and related components in the car's rear or front axle.&nbsp;The differential is a critical component in a car's drivetrain that allows the wheels to rotate at different speeds during turns. It distributes power from the engine to the wheels while enabling them to rotate at different rates, ensuring smooth cornering and stability.&nbsp;Differential covers can be made of various materials, including cast iron, aluminum, or steel, depending on the vehicle's design and intended use.
<h2>Functions of a differential cover</h2>
The differential cover serves several important functions:
<ul>
<li>Protection: The primary purpose of the differential cover is to protect the differential gears, bearings, and other internal components from debris, water, and contaminants that could cause damage or premature wear.</li>
<li>Oil retention: The differential cover helps contain the gear oil, which lubricates the gears and bearings, reducing friction and heat generation. Adequate lubrication is essential to ensure the differential operates smoothly and efficiently.</li>
<li>Structural integrity: The differential cover contributes to the structural integrity of the axle housing, providing support and rigidity to the entire axle assembly.</li>
<li>Dissipating heat: The differential cover acts as a heat sink, helping to dissipate heat generated during operation, ensuring the differential stays within an optimal operating temperature range.</li>
</ul>
Regular inspection and maintenance of the differential cover and its seal are essential to ensure proper lubrication and protection of the differential components, contributing to the vehicle's longevity and performance.

Differential Cover

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Air Filter Box

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Air Flow Sensor

Air Intake Duct

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Air Intake Hose

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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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Air Filters & Intake Systems

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Camshaft Adjuster

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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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Valve Lifters Tappet

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Belt Tensioner

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Crankshaft Position Sensor

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Engine Oil Dipstick Tube

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Oil Cooler

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Oil Cooler Line

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Oil Filter

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Oil Filter Housing

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Oil Level Sensor

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Oil Pan

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Oil Pump

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Oil Pump Pickup Tube

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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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Ignition Coil

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Knock Detonation Sensor

Relay

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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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Radiator

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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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Catalytic Converter

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EGR Valve

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Exhaust Gas Temperature Sensor

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Exhaust Manifold

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Fuel Injector

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Fuel Line Kit

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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.

GMC Sierra%202500%20HD Differential Cover