Car Parts That Start With S

Car Parts That Start With S

Our post today takes a deep dive into the world of car parts that start with S.

To the average person, a car may seem like a simplistic machine. However, it is actually comprised of a multitude of intricate parts that work harmoniously together to create a smooth ride. From the engine that produces power to the transmission that transfers it, every car part is essential in providing the ideal driving experience. Additionally, the suspension and steering systems ensure that the car remains stable and under control on the road. Truly, the brilliance of an automobile lies in its many complex, yet interdependent car parts.

It was a daunting prospect, collating a comprehensive list of intricate car parts that many of us take for granted. However, I approached this project with focused dedication and willingness to learn, which ultimately resulted in a highly detailed and elaborate list.

So, let’s begin exploring this list of car parts starting with S!

76 Car Parts That Start With S

And here’s the list of parts of a car that begin with S letter.

Skid Plate

A sturdy protective barrier that covers the underside of your vehicle – specifically, the engine and transmission – from rocks, roots, and other debris that could cause damage. Off-roading enthusiasts often install skid plates to keep their vehicles in top shape and prevent costly repairs. They’re typically made from a tough metal material, like steel or aluminum, and are custom-fitted to your specific make and model.


The starter is an essential component of any vehicle’s engine. It’s responsible for turning the engine over to get it started. When you turn the key or push the button to start your vehicle, the starter motor engages with the flywheel to spin the engine. Over time, starters can wear out, making it difficult to start your vehicle. If you hear a clicking noise when you turn the key, or if your engine turns over slowly, it could be a sign that your starter needs to be replaced.

Schrader Valve

A Schrader valve is a type of valve commonly found on tires. It’s a small, spring-loaded valve that allows air to be pumped into and released from the tire. Schrader valves are easy to use and are found on most vehicles, bicycles, and air compressors.

Sun Visor

A sun visor is a foldable flap located above the windshield of a car that can be adjusted to block out the sun’s glare. It can be an essential safety feature, as it helps to keep your vision clear and prevent accidents caused by sun glare. Most sun visors are equipped with a mirror and a light for added convenience.

Speedometer Calibrator

A speedometer calibrator is a device that recalibrates your vehicle’s speedometer to ensure accurate readings. It’s especially useful when you’ve made modifications to your vehicle that could affect your speedometer, like changing the size of your tires or installing a lift kit. If your speedometer is inaccurate, it could lead to speeding tickets or even an accident, so it’s important to make sure it’s calibrated correctly.

Steering Arm

The steering arm connects the steering box to the steering linkage, allowing you to turn your vehicle left or right. As you turn the steering wheel, the steering arm moves the wheels accordingly. If your steering arm is damaged or worn out, you may notice that your steering is loose, or that the wheels don’t turn as smoothly as they should.

Starter Pinion Gear

The starter pinion gear is a small, toothed gear that engages with the engine’s flywheel to start the engine. When you turn the key or push the button to start your vehicle, the starter motor spins the pinion gear, which in turn spins the flywheel, starting the engine. If your starter pinion gear is worn or damaged, the engine may not start, or you may hear a grinding noise when you try to start it.

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Starter Ring

The starter ring is a large, toothed ring that’s attached to the flywheel of your vehicle’s engine. When you turn the key or push the button to start your vehicle, the starter motor engages with the starter ring, turning the engine over and starting it. If your starter ring is damaged or missing teeth, your engine may not start or may start inconsistently.

Sunroof Motor

The sunroof motor is the mechanism that opens and closes your vehicle’s sunroof. When you press the sunroof button, the motor engages, moving the glass panel back or forward to let air and light into the vehicle. If your sunroof motor is damaged or worn out, it may be difficult or impossible to open or close the sunroof.

Shift Stick

The shift stick, also known as a shifter or gear lever, is the mechanism in a manual transmission vehicle that allows you to shift gears. When you move the shift stick, you engage or disengage different gears, changing the speed and torque of your vehicle. If your shift stick is loose or difficult to move, it could be a sign of transmission problems.

Steering Box

The steering box, also known as a steering gear, is the component that converts the rotational motion of the steering wheel into the lateral motion of the front wheels. It’s a critical component of your vehicle’s steering system, and if it’s damaged or worn out, it can lead to serious safety issues.

Spider Gears

Spider gears are a set of gears located in the differential of your vehicle’s rear axle. They work together to allow the wheels to rotate at different speeds while still transmitting power from the engine to the wheels. If your spider gears are damaged or worn out, you may notice a grinding or clicking noise when you turn, or your vehicle may have difficulty turning at all.

Spacer Ring

A spacer ring is a small, circular piece of metal that’s placed between two components to provide additional space or support. In the context of a car, spacer rings are often used to add clearance between the wheel hub and the rim, or between the brake rotor and the caliper.


The speedometer is a gauge on your vehicle’s dashboard that shows you how fast you’re driving. It’s essential for safe driving, as it allows you to stay within the legal speed limit and avoid speeding tickets. Speedometers work by measuring the rotation of the wheels, and they can be electronically or mechanically operated.

Speedometer Gear

The speedometer gear is a small gear located in your vehicle’s transmission that drives the speedometer cable. As the gears in the transmission turn, they rotate the speedometer gear, which in turn rotates the speedometer cable, causing the speedometer to display your current speed.


Screws are a type of fastener commonly used in cars to secure components in place. They come in a wide range of sizes and shapes, and are often made from a durable metal material, like steel or aluminum.


A spotlight is a powerful, adjustable light mounted on the exterior of your vehicle. It can be aimed in different directions to illuminate dark or hard-to-see areas, making it ideal for search and rescue, emergency responders, and off-road enthusiasts.

Steering Pump

The steering pump, also known as a power steering pump, is responsible for supplying hydraulic power to your vehicle’s power steering system. It helps you turn the steering wheel by providing additional force to the steering rack or box, making steering easier and more responsive.

Seat Bracket

A seat bracket is a metal frame that attaches to the vehicle’s structure and supports the seat. It’s an essential component of any vehicle’s seating system, as it’s responsible for keeping the driver and passengers safe and secure in the event of an accident.

SAE J1772

SAE J1772 is a technical standard for electric vehicles (EVs) that defines the communication protocol between the EV and the charging station. It ensures that all EVs can be charged at any compatible charging station, regardless of make or model.

Stabilizer Bars and Link

Stabilizer bars, also known as anti-roll bars or sway bars, are a critical component of your vehicle’s suspension system. They’re designed to reduce body roll and improve handling by connecting the left and right sides of the suspension together. Stabilizer links connect the stabilizer bar to the suspension and help to transfer forces between the two.


A subwoofer is a type of loudspeaker that’s designed to reproduce low-frequency sound, like bass. They’re often installed in cars to provide a more immersive audio experience, and can be paired with other speakers to create a balanced, powerful sound system.

Steering Gear

The steering gear, also known as a steering box, is responsible for facilitating the movement of the wheels when you turn the steering wheel. It’s a complex system of gears that translates the rotational motion of the steering wheel into lateral motion of the wheels, allowing you to turn left or right.

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Side Lighting

Side lighting refers to the lights located on the sides of your vehicle, typically near the front wheels. These lights help to improve visibility when turning or changing lanes, and can be especially useful during dark or inclement weather.


Startix is a brand of automotive products, including starters and alternators, that are designed to provide reliable performance and long-lasting durability. Startix products are known for their high-quality materials and precise engineering, making them a popular choice among car enthusiasts.

Suspension and Steering Systems

The suspension and steering systems are two critical components of your vehicle’s overall performance. The suspension system is responsible for ensuring a smooth ride by absorbing shocks and vibrations, while the steering system allows you to control the direction and movement of your vehicle. Together, these systems work to provide a safe and comfortable driving experience.

Safety Reflector

A safety reflector is a reflective textile or material that’s attached to your vehicle in order to increase visibility on the road, especially in low-light conditions. They’re often found on the sides and rear of the vehicle, and can be especially important for emergency vehicles and roadside assistance vehicles.

Starter Solenoid

The starter solenoid is an electrical component that’s responsible for engaging the starter motor and turning the engine over when you turn the key or push the button to start your vehicle. It’s a critical component of your vehicle’s starting system, and if it’s not working properly, your engine may have difficulty starting.

Spark plug

Spark plugs are a crucial component of your vehicle’s ignition system, responsible for igniting the fuel in the combustion chamber. They need to be periodically replaced to ensure optimal engine performance, fuel efficiency, and reduced emissions.


A sunroof, usually located on the roof of a car, can be opened or closed to let in fresh air and natural lighting. Sunroofs are often a desirable feature for those who enjoy the open-air feeling and add an extra touch of style to the vehicle.

Starter motor

The starter motor is a key component in cranking the engine and kickstarting the car. It draws power from the vehicle’s battery to turn the engine over and get it running.

Starter drive

The starter drive, also known as the Bendix drive, is a small gear mechanism that helps engage the flywheel and turn the engine over when starting the vehicle. If it becomes worn or damaged, the starter may fail to work properly.

Sunroof Rail

Sunroof rails are the tracks that guide the sunroof panel as it opens or closes. They need to be kept lubricated and free of debris to prevent damage and maintain smooth operation.

Switch cover

Switch covers are protective covers that go over the buttons or switches on your vehicle’s dashboard. They help prevent accidental activation, damage, and wear and tear over time.

Starter engine

The starter engine is another term for the starter motor, responsible for cranking the engine and getting the car started.

Switch panel

A switch panel is the central point in your vehicle where you can control various electronic functions like lights, wipers, and windows. It’s important to keep this panel in good working condition to ensure proper function and safety.

Sunroof Glass

Sunroof glass is the see-through panel that covers the sunroof opening. It’s typically made of tempered glass to provide durability and breakage resistance.

Suspension link and bolt

Suspension links and bolts help connect the steering and suspension systems to the body of the car. They need to be periodically checked and replaced if they become damaged to ensure optimal vehicle handling and safety.

Slave cylinder

A slave cylinder is part of the hydraulic clutch system and helps engage and disengage the clutch by applying or releasing pressure to the clutch plates. If it fails, shifting gears may become difficult or impossible.


A spindle is an essential component of the steering and suspension systems, connecting the front wheels to the rest of the car. It needs to be kept in good condition to ensure smooth, safe handling.

Secret compartment

Some vehicles have secret compartments built into the body or interior, providing an extra level of protection and security for valuables.

Steering wheel

The steering wheel controls the direction and movement of the vehicle and is one of the most important safety features in the car. It needs to be kept free of damage and wear to ensure optimal handling and control.


Shims are thin pieces of material used to adjust or align various components in a car’s mechanics, such as brake pads or suspension systems.

Starter pinion

The starter pinion is the small gear mechanism that engages the flywheel to turn the engine over when starting the car. It needs to be kept in good condition to ensure proper ignition o the engine.

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Speakers are components in the car’s audio system that allow sound to be played. Upgrading your car speakers can improve the quality of sound and overall listening experience.

Speed reducer

A speed reducer is a mechanical device that reduces the rotational speed of a motor or engine. It’s often used in electric vehicles to provide better torque and efficiency.

Synchronous motor

A synchronous motor is an electric motor that rotates at a specific speed, synchronized with the frequency and supply of the electricity. They are often used in electric vehicles for efficient power conversion.

Steering column assembly

The steering column assembly is responsible for transmitting the driver’s input to the wheels of the car, allowing for steering and directional control. It consists of various components that need to be kept in good condition for optimal handling.


Sensors are vital components in your vehicle’s electronic systems, providing data and feedback to the computer to control various functions and ensure proper performance. They include sensors for things like airbags, tire pressure, and engine control.

Selection lever

A selection lever is typically found in automatic transmission vehicles and allows the driver to change between gears. It’s important to keep this lever functioning properly to ensure smooth shifting and safe driving.


A silencer, also known as a muffler, is a device that reduces the noise produced by your vehicle’s exhaust system. It’s an important component for maintaining a quiet, safe driving experience and reducing air pollution.

Seat track

Seat tracks are the metal frames that allow seats to move back and forth as needed. They need to be kept lubricated and free of debris to ensure proper function and comfort.

Seat cover

Seat covers are protective covers that go over your vehicle’s seats, helping to prevent wear and tear and enhance comfort. They come in a variety of materials and styles to suit your needs.


A spoiler is a device typically mounted on the back of a car’s trunk lid that helps reduce drag and improve the car’s aerodynamics. It can also help provide a sleek, sporty look.

Shift improver

A shift improver is a device that can be installed to help improve the shifting performance of an automatic transmission. It can help reduce shifting lag, improve acceleration, and enhance overall driving experience.

Shift knob

A shift knob is the part of the gear shifter that you hold onto when changing gears in a manual transmission vehicle. It can be customized to suit your preferences and style.

Sleeve bearing

A sleeve bearing is a type of bearing that uses a sleeve to support a rotating shaft. It’s often used in high-speed applications and needs to be kept lubricated for optimal function.

Starting system

The starting system is a vital component of your vehicle’s overall ignition system, responsible for getting the engine running and your car moving. It consists of various components, including the battery, starter, alternator, and ignition switch.

Seat Belt

A seat belt plays a vital role in ensuring your safety while driving. It keeps you restrained and protected in case of a collision.

Steering Shaft

The steering shaft is a crucial component of the steering system that connects the steering wheel to the steering gear. Without it, you wouldn’t be able to steer your car.


A strut is a structural component of your car’s suspension system that helps to absorb shock and maintain stability while driving.

Spiral Spring

A spiral spring is a type of suspension spring that is used to dampen the shocks and vibrations caused by bumpy roads.

Shift Fork

A shift fork is a mechanical component of the transmission system that helps to shift gears.

Speedometer Cable

A speedometer cable is a car part that connects the speedometer to the transmission to indicate how fast you’re going.

Speed Controller

A speed controller is an electronic device that controls the speed of your vehicle. It can regulate the speed in both forward and reverse directions.

Shoe Return Spring

The shoe return spring is a component of your car’s brake system that helps to return the brake shoe to its original position after the brakes are released.

Stub Axle

A stub axle is a type of axle that connects the wheel to the suspension system.

Shock Absorber

A shock absorber is a key component of your car’s suspension system that helps to absorb shocks and vibrations caused by uneven roads.

Shift Cable

A shift cable is a mechanical component of the transmission system that helps to shift gears.

Semi-Trailer Aerodynamic Device

A semi-trailer aerodynamic device is a device that improves the aerodynamics of a semi-trailer to reduce drag and improve fuel efficiency.

Steering Rack

The steering rack is a mechanical component of the steering system that helps to convert the rotational motion of the steering wheel into a lateral motion that turns the front wheels.

Spark Plug Cable

A spark plug cable is a high voltage cable that delivers electrical current from the ignition system to the spark plug to ignite the fuel.

Shift Lever

A shift lever is a mechanical component of the transmission system that helps to shift gears.

Starter System

The starter system is a car part that helps to start the engine by turning the crankshaft until the engine fires up.

Steering Column Switch

The steering column switch is a car part that allows you to switch on and off various components of the car such as the headlights, wipers, and turn signals.


A spring is an important component of your car’s suspension system that helps to absorb shocks and vibrations caused by bumpy roads.

Wrapping Up

And that’s our list of S car parts.

I took on the herculean task of compiling a list of car parts, with the aim to study the nuts and bolts of how a car works. I spent hours upon hours researching and documenting every piece of the puzzle, eventually coming up with an all-encompassing list that covered every conceivable part.

In summary, car parts are the building blocks of a car, and their quality determines the car’s overall performance. Modern cars are complex and intricate, which means that each part has its role and functions. Therefore, using substandard or low-quality parts could lead to long-term damage to your car’s engine and other components. To avoid costly repairs and downtimes, vehicle owners should embrace regular maintenance and replacements of worn-out parts. This will save them lots of money, time, and energy in the long run and ensure their vehicles have a longer lifespan.

Hope this post on parts of a car beginning with S alphabet has been useful to you!