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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 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

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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Throttle Position Sensor

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Turbocharger Oil Line

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Camshafts

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Engine Valve Cover

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Timing Belt Kit

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Timing Chain Kit

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Engine Oil Dipstick Tube

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Oil Filter

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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

Cranks, Pistons, Oil & Components

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Camshaft Position Sensor

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Connector Plug

Distributor Cap

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Ignition Coil

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Relay

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Engine Components & Accessories

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Expansion Tank

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Expansion Tank Mounting Plate

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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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Exhaust Manifold

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Secondary Air Injection Check Valve

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Idle Air Control Valve

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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.

1990 Buick LeSabre Differential Cover

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