There are 99 car parts that start with the letter W. From Walnut Wood Steering Wheel to Wiring Harness. Car parts refer to the various components that make up a vehicle, each playing a crucial role in its overall operation and performance. These parts can range from essential functional components like engines and transmissions, to auxiliary parts such as belts and hoses. The proper maintenance and timely replacement of car parts are vital for ensuring vehicle safety, efficiency, and longevity. With advancements in technology, many car parts now include electronic components, enhancing their functionality and enabling features such as automated driving systems and improved infotainment options.

An interesting fact about car parts is that many vehicles contain around 30,000 different parts, and the automotive industry is continuously evolving with new materials and technologies. For instance, lightweight composites are increasingly being used to improve fuel efficiency, while high-strength steel remains a staple for structural components due to its durability.

Here’s what each of the columns in the table means:

Function: A brief description of what the car part does within the vehicle system.

Maintenance Interval (months): The recommended time period after which the part should be inspected or replaced, measured in months.

Replacement Cost (USD): An estimate of the average monetary cost incurred when replacing the part, expressed in U.S. dollars.

Description: A detailed explanation of the car part, including its significance, materials, and placement in the car’s architecture.

Car parts That Start With W

Car parts function maintenance interval (months) replacement cost (USD)
Walnut Wood Steering Wheel Provides a premium, ergonomic grip and enhances the interior aesthetic of the vehicle. 12 150
Washer Fluid Hose Transports washer fluid from the reservoir to the nozzles 12 5-20
Washer Fluid Nozzle Sprays washer fluid onto the windshield 24 5-15
Washer Fluid Pump Pumps washer fluid from the reservoir to the nozzles 24 20-100
Washer Fluid Reservoir Holds the washer fluid used to clean the windshield and headlights. 6 25
Washer Fluid Reservoir Cap Seals the washer fluid reservoir to prevent leaks and evaporation 12 2-10
Washer Fluid Screen Filters debris from the washer fluid 12 1-5
Wastegate Controls the flow of exhaust gases to the turbocharger, adjusting boost pressure and engine performance 12 $150-$500
Water Jacket Circulates coolant around the engine block to absorb and dissipate heat 24 $50-$200
Water Manifold Distributes coolant to the various components of the cooling system 24 $20-$100
Water Pump Circulates coolant through the engine and cooling system 36 $50-$150
Wheel Alignment Adjustment Bolt Allows fine tuning of wheel alignment angles 12 5-20
Wheel Alignment Rack Ensures the vehicle’s wheels are properly aligned to improve handling, tire wear, and fuel efficiency. 12 500
Wheel Arch Liner Protects the vehicle’s undercarriage and wheel wells from debris, mud, and environmental elements. 24 50
Wheel Balancer Distributes the weight of the tire and wheel assembly evenly to provide a smooth, vibration-free ride. 12 300
Wheel Bearing Allows the wheel to rotate smoothly and supports the weight of the vehicle. 36 150
Wheel Bearing Grease Lubricates and protects the wheel bearings 12 10
Wheel Chock Prevents a parked vehicle from rolling N/A 5-20
Wheel Cover Decorative cover for the wheel N/A 10-50
Wheel Cylinder Transfers brake fluid pressure to the brake shoes, causing the wheels to stop. 24 50
Wheel Decorative Cap Enhances the appearance of the wheel N/A 20
Wheel Demolition Tool Aids in the removal of damaged or stuck wheels N/A 50-200
Wheel Dolly Allows wheels to be moved separately from the vehicle N/A 50-200
Wheel Dust Cap Protects the wheel lug nuts from dirt and moisture N/A 2
Wheel Flare Extends the wheel well for a wider, more aggressive appearance N/A 50
Wheel Hub Connects the wheel to the suspension and braking components 48 $50-$200
Wheel Hub Assembly Connects the wheel to the vehicle’s suspension and allows the wheel to rotate freely. 48 200
Wheel Lock Prevents the theft of a vehicle’s wheels N/A $20-$50
Wheel Lock Nut Secures the wheel to the vehicle and prevents theft N/A 20
Wheel Lug Nut Secures the wheel to the vehicle’s hub, ensuring the wheel remains firmly in place. 12 2
Wheel Lug Nut Wrench Loosens and tightens wheel lug nuts N/A 10-50
Wheel Nuts Secure the wheel to the vehicle hub 12 10
Wheel Offset Determines the positioning of the wheel within the wheel well N/A N/A
Wheel Protector Covers and protects the wheel from damage N/A 5-20
Wheel Puller Removes the wheel hub from the axle N/A 50-200
Wheel Spacer Offsets the wheel from the hub to alter the vehicle’s track width N/A 10-50
Wheel Speed Sensor Measures the rotational speed of the wheel 60 100
Wheel Stud Provides the threaded connection point for the wheel lug nuts, securing the wheel to the vehicle. 48 10
Wheel Stud Extractor Removes broken or seized wheel studs N/A 10-50
Wheel Trim Ring Decorative ring that covers the wheel lug nuts N/A 5-20
Wheel Well Fender Protects the vehicle’s body and suspension components from debris and mud thrown up by the tires. 36 100
Wheel Well Liner Protects the wheel well from debris and water 12 20-75
Wheel Well Molding Decorative trim around the wheel well opening 12 10-50
Wheel Well Trim Decorative plastic or rubber components that cover the wheel wells, enhancing the vehicle’s appearance. 36 25
Wheel Wobble Sensor Detects uneven tire wear or suspension issues 60 75
Window Crank Handle Manually raises and lowers the window glass N/A 10-30
Window Defrost Grid Heats the window glass to remove frost, ice, and condensation N/A 50-150
Window Motor Raises and lowers the window glass electronically 60 100-300
Window Regulator Raises and lowers the window glass via a mechanical mechanism 60 50-200
Window Switch Controls the operation of the power windows N/A 20-50
Windshield Cleaning System Sprays fluid to clean the windshield 12 $50-$150
Windshield Cleaning Wand Extends reach for cleaning the windshield N/A 5-20
Windshield Crack Repair Kit Restores small windshield cracks and chips N/A 20
Windshield De-Icer Melts ice and snow on the windshield N/A 10
Windshield Defroster Hose Delivers warm air to the windshield 24 15
Windshield Defroster Vent Directs warm air to the windshield N/A 20
Windshield Deicer Spray Melts ice and frost on the windshield N/A 5-15
Windshield Demister Removes fog and condensation from the windshield N/A 25
Windshield Descratcher Removes scratches from the windshield N/A 10
Windshield Fluid Level Sensor Monitors the windshield washer fluid level 24 35
Windshield Heater Grid Warms the windshield to melt ice and snow N/A 100
Windshield Heating Element Heats the windshield to melt ice and snow N/A $100-$300
Windshield Moulding Seals and secures the windshield to the vehicle body 60 50
Windshield Moulding Clip Secures the windshield moulding to the vehicle body N/A $1-$5
Windshield Pillar Trim Decorative cover for the A-pillars N/A 25
Windshield Repair Kit Fills and seals small chips and cracks N/A 10-50
Windshield Repair Resin Fills and seals small windshield chips and cracks N/A 10
Windshield Replacement Adhesive Secures the windshield to the vehicle body N/A 75
Windshield Squeegee Removes water and debris from the windshield N/A 5
Windshield Sun Visor Blocks glare from the sun entering through the windshield N/A $50-$150
Windshield Trim Clip Secures the windshield trim to the vehicle N/A 1
Windshield Trim Seal Prevents water and air leaks around the windshield 60 20
Windshield Wiper Arm Connects the wiper blade to the wiper motor, allowing the wiper blade to move across the windshield. 12 20
Windshield Wiper Arm Bushing Allows the wiper arm to pivot smoothly 24 10
Windshield Wiper Arm Linkage Connects the wiper motor to the wiper arms 48 30
Windshield Wiper Blade Sweeps water, snow, and other debris off the windshield, providing clear visibility for the driver. 12 10
Windshield Wiper Blade Insert Replacement rubber strip for the wiper blade 6 $5-$20
Windshield Wiper Blade Refill Replacement rubber blade insert 12 5
Windshield Wiper Blade Sheath Protective cover for the wiper blade N/A 10
Windshield Wiper Blade Spring Provides tension to keep the wiper in contact with the glass 24 3
Windshield Wiper Blade Striker Cleans the windshield as the wiper moves N/A 8
Windshield Wiper Delay Module Controls the intermittent wiper speed 48 35
Windshield Wiper Fluid Heater Heats the windshield wiper fluid N/A 50
Windshield Wiper Linkage Connects the wiper motor to the individual wiper arms, coordinating the movement of the wiper blades. 24 50
Windshield Wiper Linkage Pivot Allows the wiper linkage to articulate 24 15
Windshield Wiper Motor Provides the power to move the wiper blades across the windshield. 48 100
Windshield Wiper Pivot Bolt Secures the wiper arm to the vehicle N/A 3
Windshield Wiper Relay Controls the operation of the windshield wiper motor, allowing the driver to adjust the wiper speed and function. 24 20
Windshield Wiper Reservoir Cap Seals the windshield wiper fluid reservoir N/A 5
Windshield Wiper Rubber Refill Replacement wiper blade rubber 12 8
Windshield Wiper Switch Allows the driver to control the operation of the windshield wipers, including speed and intermittent function. 24 30
Windshield Wiper Transmission Translates the rotational motion of the wiper motor into the back-and-forth movement of the wiper blades. 36 75
Windshield Wiper Vacuum Hose Supplies vacuum to the wiper motor 48 10
Windshield Wiper Washer Nozzle Sprays wiper fluid onto the windshield N/A 5
Windshield Wiper Washer Pump Pressurizes the windshield wiper fluid for distribution through the nozzles 24 $50-$150
Windshield Wiper Washer Reservoir Holds the windshield cleaning fluid 24 $20-$50
Windshield Wiper Water Jet Sprays windshield cleaning fluid directly onto the windshield N/A $20-$50
Windshield Wiper Wheel Link Connects the wiper motor to the wiper arms 48 $20-$50
Wiring Harness Bundles and routes the electrical wiring throughout the vehicle 72 $100-$500

Descriptions

Walnut Wood Steering Wheel
A luxury steering wheel made from high-quality walnut wood, offering an exceptional feel and a touch of sophistication to the driving experience.
Washer Fluid Hose
Flexible rubber or plastic hose that carries the washer fluid from the reservoir to the nozzles on the front of the vehicle.
Washer Fluid Nozzle
Small plastic or metal nozzles mounted on the vehicle’s exterior that direct the flow of washer fluid onto the windshield.
Washer Fluid Pump
Electric pump that pressurizes the washer fluid and sends it through the hoses to the nozzles.
Washer Fluid Reservoir
The washer fluid reservoir is a essential component that stores the cleaning solution for the vehicle’s windshield and headlight wipers.
Washer Fluid Reservoir Cap
Threaded plastic or metal cap that securely closes the washer fluid reservoir.
Washer Fluid Screen
Fine mesh screen installed in the washer fluid reservoir or hose to trap dirt and contaminants before they reach the nozzles.
Wastegate
A valve that regulates the flow of exhaust gases to the turbocharger, allowing for precise control of boost pressure and engine performance. Essential for turbocharged engines.
Water Jacket
A series of passages within the engine block that allow coolant to flow around the cylinders, transferring heat away from the engine to maintain optimal operating temperatures.
Water Manifold
A central hub that channels coolant from the water pump to the radiator, engine block, and other cooling system parts, ensuring even distribution of the coolant flow.
Water Pump
An engine-driven pump that continuously circulates coolant throughout the cooling system, preventing the engine from overheating by transferring heat away from the engine block.
Wheel Alignment Adjustment Bolt
Threaded bolts that are adjusted to change a vehicle’s camber, caster, and toe settings for optimal tire wear and handling.
Wheel Alignment Rack
The wheel alignment rack is a specialized tool used by mechanics to accurately adjust the angle of a vehicle’s wheels to the manufacturer’s specifications.
Wheel Arch Liner
The wheel arch liner is a plastic or composite component that covers the wheel well, shielding the vehicle’s inner components from road grime, rocks, and other road hazards.
Wheel Balancer
The wheel balancer is a machine that precisely measures the imbalance of a tire and wheel assembly, allowing the technician to add or remove weights to achieve a proper balance.
Wheel Bearing
The wheel bearing is a set of rolling elements, such as balls or rollers, that are housed in a metal ring, allowing the wheel to spin freely with minimal friction.
Wheel Bearing Grease
Specialized high-temperature grease applied to the wheel bearings to reduce friction and wear, ensuring smooth and safe wheel rotation.
Wheel Chock
Wedge-shaped blocks placed in front of or behind the wheels to keep the vehicle stationary.
Wheel Cover
Snap-on or clipOn plastic or metal covers that conceal the wheel design for a more uniform, stylized appearance.
Wheel Cylinder
The wheel cylinder is a hydraulic component in the brake system that converts the brake fluid pressure into a mechanical force, which is then applied to the brake shoes or pads to slow or stop the vehicle.
Wheel Decorative Cap
Removable cover that snaps or screws onto the wheel’s center hub, often featuring the vehicle’s logo or a decorative design.
Wheel Demolition Tool
Specialized hydraulic or mechanical tool used to safely detach wheels that are rusted, corroded, or otherwise difficult to remove.
Wheel Dolly
Small wheeled platform that can be slid under a vehicle’s wheels to facilitate rolling the wheels without the full weight of the car.
Wheel Dust Cap
Small threaded cap that covers the exposed threads of the wheel lug nuts, preventing the buildup of contaminants.
Wheel Flare
Plastic or metal fender extension that is mounted over the wheel well to create a bolder, more pronounced wheel well profile.
Wheel Hub
The central mounting point for the wheel, which houses the wheel bearing and allows the wheel to rotate while transmitting the driving, braking, and steering forces to the suspension system.
Wheel Hub Assembly
The wheel hub assembly is a critical component that integrates the wheel bearings, wheel studs, and other related parts into a single, replaceable unit, providing a secure connection between the wheel and the vehicle’s suspension.
Wheel Lock
Wheel locks are locking lug nuts that require a special key to remove. They help deter wheel theft by making it more difficult for thieves to remove the wheels.
Wheel Lock Nut
Specially designed lug nut that requires a unique key or tool to remove, providing an additional layer of security against wheel theft.
Wheel Lug Nut
The wheel lug nut is a threaded fastener that is tightened onto the wheel studs, holding the wheel in place on the vehicle’s hub.
Wheel Lug Nut Wrench
Specialized socket wrench used to remove and install the threaded lug nuts that secure the wheels to the vehicle.
Wheel Nuts
Threaded nuts that are tightened onto the wheel studs, holding the wheel in place on the vehicle.
Wheel Offset
The distance between the centerline of the wheel and the mounting surface, affecting the vehicle’s handling and appearance.
Wheel Protector
Vinyl, rubber, or plastic covers that fit over the wheel to guard against curb rash, scratches, and other cosmetic damage.
Wheel Puller
Tool with claws or hooks that attaches to the wheel hub and allows the mechanic to pull the wheel off the vehicle.
Wheel Spacer
Thick metal or aluminum rings that mount between the wheel and hub to widen the vehicle’s stance.
Wheel Speed Sensor
Electronic sensor that monitors the speed of the wheel, providing data to the vehicle’s anti-lock braking system (ABS) and stability control systems.
Wheel Stud
The wheel stud is a threaded bolt that is pressed into the wheel hub, providing the mounting points for the wheel lug nuts to secure the wheel to the vehicle.
Wheel Stud Extractor
Specialized tool designed to grip and pull out wheel studs that have become stuck or sheared off in the wheel hub.
Wheel Trim Ring
Decorative plastic or metal ring that snaps or clips onto the wheel to conceal the lug nuts for a cleaner, more polished appearance.
Wheel Well Fender
The wheel well fender is a plastic or metal component that covers the wheel well, shielding the vehicle’s body and undercarriage from road grime, rocks, and other environmental elements.
Wheel Well Liner
Rigid plastic or composite liner installed in the wheel well to shield the vehicle’s body and suspension components from road grime, stones, and splashing water.
Wheel Well Molding
Flexible plastic or rubber trim that runs along the edge of the wheel well to provide a finished, integrated look.
Wheel Well Trim
The wheel well trim are cosmetic pieces that are installed around the wheel openings, providing a finished and polished look to the vehicle’s exterior design.
Wheel Wobble Sensor
Sensor that monitors the wheel for any abnormal oscillations or vibrations, alerting the driver to potential problems with the suspension or tire balance.
Window Crank Handle
The window crank handle is a manual mechanism used to open and close the vehicle’s side windows. It is typically found in older vehicles or as a backup option in case of power window failure.
Window Defrost Grid
The window defrost grid is an electrical heating system embedded within the rear windshield or side windows to quickly clear the glass of any obstructions, improving visibility and safety.
Window Motor
The window motor is an electric actuator that controls the up and down movement of the power-operated side and rear windows, providing convenient, one-touch window control for the driver and passengers.
Window Regulator
The window regulator is the mechanism that controls the up and down movement of the window glass, typically powered by a window motor. It ensures smooth and reliable window operation.
Window Switch
The window switch is an electrical control that allows the driver and passengers to raise and lower the power-operated side and rear windows of the vehicle with the push of a button.
Windshield Cleaning System
The windshield cleaning system includes the fluid reservoir, pump, hoses, and nozzles. Regular maintenance and replacement of worn components is important for effective windshield cleaning.
Windshield Cleaning Wand
Long-handled tool with a sponge or squeegee attachment used to clean the upper portion of the windshield.
Windshield Crack Repair Kit
DIY kit containing a resin compound and tools to fill and seal minor windshield damage, preventing further cracking and improving visibility.
Windshield De-Icer
Spray-on or brush-on solution that lowers the freezing point of water, quickly clearing the windshield of frozen precipitation.
Windshield Defroster Hose
Flexible hose that connects the vehicle’s heating system to the defroster vents, providing warm air to the windshield to quickly clear fog and condensation.
Windshield Defroster Vent
Air vent located on the dashboard or in the center console that channels heated air from the HVAC system to the windshield, preventing fogging and frosting.
Windshield Deicer Spray
Aerosol spray containing chemical de-icers that quickly remove frozen buildup from the windshield.
Windshield Demister
Device that uses heat or air circulation to clear the windshield of moisture, improving visibility in humid or cold conditions.
Windshield Descratcher
Abrasive tool or compound that buffs out minor surface scratches on the windshield, restoring clarity and visibility.
Windshield Fluid Level Sensor
Electronic sensor that detects the amount of fluid remaining in the windshield washer reservoir, alerting the driver when a refill is needed.
Windshield Heater Grid
Electrical heating elements embedded in the windshield glass that provide targeted heat to quickly clear the surface of frozen precipitation.
Windshield Heating Element
Some vehicles have a heating element embedded in the windshield to quickly defrost and clear the glass. This feature is commonly found in cold-weather climates.
Windshield Moulding
Flexible trim piece that is installed around the perimeter of the windshield, creating a water-tight seal and holding the glass in place.
Windshield Moulding Clip
These small clips hold the windshield moulding in place, preventing it from becoming loose or falling off. Replacing damaged or missing clips is important for maintaining a proper seal.
Windshield Pillar Trim
Plastic or metal trim that is installed on the vertical supports on either side of the windshield, enhancing the vehicle’s appearance.
Windshield Repair Kit
DIY kit containing resins and tools to repair minor windshield damage and prevent further cracking or chipping.
Windshield Repair Resin
Specialized clear epoxy-based compound that is applied to damaged areas of the windshield to prevent further cracking and improve visibility.
Windshield Replacement Adhesive
High-strength, weatherproof adhesive used to bond a new windshield to the vehicle, creating a durable and leak-proof seal.
Windshield Squeegee
Hand-held tool with a flexible rubber blade used to wipe away water, mud, and other contaminants from the windshield surface.
Windshield Sun Visor
The sun visor is a hinged panel that can be positioned to shade the driver’s or passenger’s eyes from direct sunlight. It helps improve visibility and reduce eye strain.
Windshield Trim Clip
Small plastic or metal fastener that attaches the windshield moulding or pillar trim to the body, holding it in place.
Windshield Trim Seal
Rubber or foam gasket that is installed between the windshield and the vehicle body, creating a weatherproof barrier.
Windshield Wiper Arm
The windshield wiper arm is the mechanical linkage that attaches the wiper blade to the wiper motor, enabling the blade to sweep across the windshield and clear away rain, snow, or other obstructions.
Windshield Wiper Arm Bushing
Rubber or plastic bushing that is installed in the wiper arm pivot point, reducing friction and enabling the wiper blade to sweep the windshield efficiently.
Windshield Wiper Arm Linkage
Metal or plastic connecting rods that transfer motion from the wiper motor to the individual wiper arms, coordinating their movement across the windshield.
Windshield Wiper Blade
The windshield wiper blade is a rubber component that is attached to the wiper arm, designed to effectively remove water, snow, and other contaminants from the windshield, ensuring the driver has a clear view of the road ahead.
Windshield Wiper Blade Insert
The wiper blade insert is the flexible rubber component that makes contact with the windshield and must be replaced periodically as it wears down, to ensure effective wiping.
Windshield Wiper Blade Refill
Replacement strip of flexible rubber that is installed into the wiper blade frame, restoring the blade’s ability to effectively clear the windshield.
Windshield Wiper Blade Sheath
Plastic or silicone sleeve that fits over the wiper blade, shielding it from wear and environmental damage to extend its usable life.
Windshield Wiper Blade Spring
Coiled spring within the wiper blade assembly that applies downward force, ensuring the rubber edge maintains consistent contact with the windshield surface.
Windshield Wiper Blade Striker
Small metal or plastic component attached to the wiper blade that scrapes debris off the windshield, improving visibility.
Windshield Wiper Delay Module
Electronic module that regulates the interval between wiper sweeps when the wipers are set to the intermittent setting.
Windshield Wiper Fluid Heater
Heating element installed in the wiper fluid reservoir that warms the liquid, allowing it to more effectively melt ice and snow on the windshield.
Windshield Wiper Linkage
The windshield wiper linkage is the system of rods, pivots, and other mechanical components that transmit the power from the wiper motor to the individual wiper arms, ensuring the blades move in a synchronized and efficient manner.
Windshield Wiper Linkage Pivot
Bushing or bearing that enables the wiper arm linkage to smoothly pivot as the wipers move across the windshield.
Windshield Wiper Motor
The windshield wiper motor is an electric actuator that generates the force necessary to move the wiper blades back and forth across the windshield, allowing the driver to clear the windshield of rain, snow, and other obstructions.
Windshield Wiper Pivot Bolt
Threaded fastener that attaches the wiper arm to the wiper transmission or mounting point, keeping the wiper properly aligned.
Windshield Wiper Relay
The windshield wiper relay is an electronic component that manages the power supply to the wiper motor, enabling the driver to turn the wipers on, adjust the speed, and turn them off as needed.
Windshield Wiper Reservoir Cap
Threaded lid that covers the opening of the wiper fluid container, preventing leaks and evaporation of the liquid.
Windshield Wiper Rubber Refill
Strip of flexible rubber that is installed into the wiper blade frame, restoring the blade’s ability to effectively clean the windshield.
Windshield Wiper Switch
The windshield wiper switch is an electrical control that enables the driver to turn the wipers on, adjust the speed, and activate any intermittent or delay functions, allowing them to maintain clear visibility in varying weather conditions.
Windshield Wiper Transmission
The windshield wiper transmission is a mechanical linkage that converts the rotational output of the wiper motor into the linear sweeping motion of the wiper blades across the windshield, ensuring efficient and effective windshield clearing.
Windshield Wiper Vacuum Hose
Flexible rubber or plastic tubing that connects the wiper motor to the vehicle’s vacuum system, providing the suction required for certain wiper designs.
Windshield Wiper Washer Nozzle
Small plastic or metal outlet mounted on the hood or cowl that directs the wiper fluid from the reservoir onto the windshield.
Windshield Wiper Washer Pump
The wiper washer pump is an electric motor that draws fluid from the reservoir and pumps it through the hoses to the nozzles, providing the pressure needed to spray the windshield.
Windshield Wiper Washer Reservoir
The wiper fluid reservoir is a plastic tank that stores the windshield cleaning solution, which is then pumped to the nozzles to spray the windshield.
Windshield Wiper Water Jet
The water jet is a nozzle mounted on the vehicle’s front end that sprays fluid onto the windshield to help clean it, working in conjunction with the wiper blades.
Windshield Wiper Wheel Link
This linkage transmits the rotational motion from the wiper motor to the wiper arms, enabling the blades to sweep across the windshield in a consistent, controlled pattern.
Wiring Harness
A complex network of insulated cables, connectors, and terminals that distribute electrical power and signals to all the electronic components and systems within the vehicle, ensuring reliable and integrated functionality.

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