There are 63 car parts that start with the letter V. From Vacuum Advance Diaphragm to Volume Control Valve. 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 V

Car parts function maintenance interval (months) replacement cost (USD)
Vacuum Advance Diaphragm Adjusts the ignition timing based on engine vacuum, improving fuel efficiency and performance 6 15.99
Vacuum Advance Mechanism Advances the ignition timing under partial throttle conditions to improve fuel efficiency 12-24 50-150
Vacuum Booster Assists the brake system by using engine vacuum to increase brake pedal force, reducing the effort required to apply the brakes 12 75.00
Vacuum Booster Check Valve Maintains vacuum in the brake booster to assist with brake pedal operation 24-36 10-30
Vacuum Brake Booster Amplifies the force applied to the brake pedal to reduce the amount of pedal effort required 48-72 100-300
Vacuum Canister Stores and regulates the vacuum supply for various vacuum-operated systems, such as the power brake booster and emission control systems 24 25.50
Vacuum Cleaner Removes debris and dust from the vehicle’s interior and hard-to-reach areas, keeping the cabin clean and well-maintained N/A 35.00
Vacuum Diaphragm Converts engine vacuum into mechanical movement, powering various vacuum-operated components like the HVAC system and emission controls 12 18.75
Vacuum Hose Flexible tubing that carries the vacuum signal from the engine to various vacuum-operated components, ensuring proper system function 12 2.50
Vacuum Hose Connector Provides a secure connection point for vacuum hoses to prevent leaks 12-24 5-15
Vacuum Line Connector Securely joins vacuum hoses to maintain the integrity of the vacuum system and prevent air leaks N/A 0.75
Vacuum Manifold Distributes engine vacuum to multiple components that require it, such as the brake booster 24-36 20-60
Vacuum Pump Generates a vacuum source for power-assisted components like the brake booster and emission control systems 36 85.00
Vacuum Regulator Controls the vacuum supply to ensure consistent operation of vacuum-powered components like the HVAC system and emission controls 24 22.00
Vacuum Reservoir Stores a volume of vacuum to maintain brake booster operation when the engine is not running 48-72 30-100
Valve Adjuster Adjusts the clearance between the valve and the camshaft, ensuring proper valve opening and closing for optimal engine performance. 12 15-30
Valve Adjuster Screw Adjusts the clearance between the valve and camshaft, ensuring proper valve operation. 12 10-30
Valve Bearing Supports the valve stem and allows the valve to rotate and move smoothly within the cylinder head. 24 20-50
Valve Body Directs fluid flow within the automatic transmission, controlling gear shifting. 36 100-500
Valve Clearance Adjuster Adjusts the clearance between the valve stem and rocker arm, ensuring proper valve timing and engine performance. 12 25-100
Valve Cotters Secures the valve spring retainer to the valve stem, preventing the valve from becoming dislodged. 36 10-30
Valve Cover Protects the engine’s rocker arms, pushrods, and valvetrain components from dirt, oil, and other contaminants 12 35.00
Valve Cover Gasket Seals the interface between the valve cover and the engine block, preventing oil leaks and maintaining the integrity of the lubrication system 24 15.00
Valve Grinder Tool used to resurface and true the seating surfaces of engine valves, restoring proper valve seal. N/A 50-150
Valve Guide Provides a smooth, precise pathway for the valve stem to move in and out of the cylinder head. 36 10-25
Valve Guide Wear Gauge Tool used to measure the clearance between the valve stem and valve guide, indicating wear. N/A 20-50
Valve Lash Adjuster Automatically adjusts the clearance between the valve and the camshaft, maintaining optimal valve timing without manual adjustment. 24 25-50
Valve Lifter Translates the camshaft’s rotational motion into the vertical movement of the valves, allowing the engine to intake air and expel exhaust 24 12.50
Valve Lock Secures the valve spring retainer to the valve stem, preventing the valve from becoming dislodged. 36 5-20
Valve Lube Lubricant specifically designed to reduce friction and wear on engine valves and valve train components. 12 10-25
Valve Oil Seal Prevents engine oil from leaking past the valve stem and into the combustion chamber. 72 5-30
Valve Overlap The period when both the intake and exhaust valves are open, allowing for improved engine breathing. N/A N/A
Valve Rocker Arm Transfers the camshaft’s motion to open and close the engine’s valves 24-36 20-80
Valve Seat Provides a sealing surface for the valve to close against, preventing leakage. 60 10-50
Valve Spring Applies tension to the valves, closing them and ensuring proper valve timing and sealing 36 6.75
Valve Spring Retainer Secures the valve spring in place, preventing it from becoming dislodged and ensuring the proper operation of the valvetrain 36 3.50
Valve Stem Seal Seals the interface between the valve stem and the valve guide, preventing oil from entering the combustion chamber 36 2.25
Valve Tappet Also known as a valve lifter, this component transfers the rotational motion of the camshaft to the vertical movement of the valve. 24 15-30
Valve Train The system of components that opens and closes the engine’s intake and exhaust valves. 24 100-500
Valve Train Oil Pump Supplies pressurized oil to the valvetrain components, ensuring proper lubrication and preventing wear 24 45.00
Valve Wiper Seal Prevents dirt and debris from entering the engine through the valve guides, protecting the valvetrain components 24 1.50
Van Angle The forward or backward tilt of the vehicle’s wheels, affecting handling and tire wear. 12 N/A
Vanity Mirror Provides a reflective surface for the driver or passengers to adjust their appearance while in the vehicle N/A 15.00
Vapor Canister Stores and filters evaporative emissions from the fuel system, preventing the release of hydrocarbons into the atmosphere 24 45.00
Vapor Canister Filter Filters and traps evaporative emissions from the fuel system, preventing them from being released into the atmosphere. 36 10-20
Vapor Canister Purge Valve Controls the release of stored vapors from the vapor canister to the engine for combustion, reducing emissions 24 35.00
Vapor Canister Vent Valve Allows air to flow in and out of the vapor canister, ensuring proper operation of the evaporative emission control system 24 25.00
Variable Camshaft Timing (VCT) Solenoid Controls the timing of the engine’s camshafts to optimize performance and fuel efficiency 24 65.00
Variable Geometry Turbocharger (VGT) Adjusts the turbocharger’s vane position to optimize airflow and boost pressure across the engine’s operating range. 36 500-2000
Variable Valve Lift (VVL) Solenoid Controls the amount of valve lift, allowing the engine to adjust performance characteristics for improved efficiency 24 75.00
Variable Valve Timing (VVT) Solenoid Regulates the timing of the engine’s intake and exhaust valves, enhancing performance and efficiency 24 55.00
Variable Valve Timing (VVT) System Adjusts the timing of the intake and/or exhaust valves to improve engine performance and efficiency. 36 200-1000
Velocity Sensor Measures the speed and airflow of the incoming air into the engine, providing data to the engine control unit for fuel delivery and ignition timing adjustments. 60 25-50
Ventilation Hose Transports fresh air from the outside into the vehicle’s cabin, providing passengers with a comfortable and well-ventilated environment. 60 5-15
Ventilation System Provides fresh air circulation throughout the vehicle’s cabin. 12 50-300
Vibration Damper Also known as a harmonic balancer, this component absorbs and dampens torsional vibrations in the crankshaft to prevent premature wear and engine damage. 60 50-100
Viscous Coupler Connects the front and rear driveshafts in all-wheel-drive vehicles, allowing for variable torque distribution between the axles based on driving conditions. 72 150-300
Viscous Coupling Connects the engine’s cooling fan to the water pump, allowing for variable fan speed and improved cooling efficiency 24 95.00
Vision Sensor Provides the vehicle’s advanced driver-assistance systems (ADAS) with information about the surrounding environment, such as lane markings, traffic signs, and other vehicles. 60 100-300
Voltage Regulator Maintains a consistent voltage supply to the vehicle’s electrical system, preventing damage to sensitive components 24 35.00
Voltage Sensing Relay Monitors the vehicle’s electrical system voltage and engages/disengages the alternator as needed. 36 30-100
Voltage Stabilizer Stabilizes the voltage supply to the vehicle’s electrical system, preventing voltage spikes and ensuring consistent power delivery 24 45.00
Volume Control Valve Regulates the amount of air or fluid flow in various systems, such as the HVAC or power steering systems 24 28.00

Descriptions

Vacuum Advance Diaphragm
A critical component in the ignition system, the vacuum advance diaphragm adjusts the ignition timing to optimize engine performance under varying load conditions.
Vacuum Advance Mechanism
Mechanically linked to the carburetor or throttle body to detect engine vacuum and adjust ignition timing accordingly
Vacuum Booster
The vacuum booster, also known as a brake booster, enhances braking power by using engine vacuum to multiply the force applied to the brake pedal, making the brakes more responsive and effective.
Vacuum Booster Check Valve
One-way valve that allows vacuum to flow into the brake booster but prevents it from escaping
Vacuum Brake Booster
Sealed chamber that uses engine vacuum to provide a power-assisted braking system
Vacuum Canister
The vacuum canister is a storage vessel that maintains a consistent vacuum pressure, ensuring the proper operation of vacuum-dependent components like the brake booster and emission controls.
Vacuum Cleaner
A portable vacuum cleaner designed for use in vehicles, it helps keep the interior free of dirt, pet hair, and other debris, maintaining a clean and comfortable driving environment.
Vacuum Diaphragm
The vacuum diaphragm is a flexible membrane that responds to changes in engine vacuum, translating that into mechanical motion to actuate vacuum-operated devices, such as climate control actuators and EGR valves.
Vacuum Hose
Vacuum hoses are an essential part of the vehicle’s vacuum system, transporting the vacuum signal from the engine to devices like the brake booster, HVAC actuators, and emission control components, enabling their proper operation.
Vacuum Hose Connector
Rigid plastic or metal fitting that vacuum hoses attach to in the engine bay or elsewhere in the vehicle
Vacuum Line Connector
This small but crucial component ensures a tight seal between vacuum hoses, allowing the vacuum signal to be transmitted without any leaks or interruptions to the various systems that rely on the vacuum supply.
Vacuum Manifold
Y-shaped or multiple-port fitting that connects the engine’s vacuum source to various vacuum-operated devices
Vacuum Pump
The vacuum pump is an engine-driven device that creates a low-pressure vacuum, which is then used to operate vacuum-powered components such as the brake booster and emission control systems, enhancing their performance and efficiency.
Vacuum Regulator
The vacuum regulator maintains the appropriate vacuum pressure for the various vacuum-operated systems, adjusting the supply as needed to optimize the performance of components like climate control actuators and EGR valves.
Vacuum Reservoir
Tank or canister that accumulates and stores vacuum from the engine to provide a reserve for the brake booster
Valve Adjuster
Crucial component for maintaining proper valve timing and engine efficiency. Typically adjusted during routine maintenance.
Valve Adjuster Screw
This screw is used to adjust the clearance between the valve and camshaft, ensuring the valve opens and closes at the correct times for optimal engine performance.
Valve Bearing
Ensures low friction and wear on the valve stem, promoting longer valve life and reliable operation.
Valve Body
The valve body is a critical component in an automatic transmission, directing the flow of hydraulic fluid to control gear shifting and other transmission functions.
Valve Clearance Adjuster
Allows for fine-tuning of the valve train to maintain optimal engine efficiency and prevent valve problems.
Valve Cotters
Small metal clips that grip the valve stem and hold the valve spring retainer in place, critical for proper valve operation.
Valve Cover
The valve cover is a protective housing that covers the engine’s valvetrain, shielding critical components like the rocker arms, pushrods, and valve springs from dirt, oil, and other harmful elements, ensuring their proper function and longevity.
Valve Cover Gasket
The valve cover gasket is a crucial sealing component that creates a tight seal between the valve cover and the engine block, preventing oil leaks and ensuring the proper functioning of the engine’s lubrication system.
Valve Grinder
Specialized tool that rotates and grinds the valve face to eliminate pitting and warping, improving engine compression and performance.
Valve Guide
Maintains proper valve alignment and prevents oil leaks, contributing to engine longevity and performance.
Valve Guide Wear Gauge
Specialized tool with a dial indicator that checks the fit and condition of the valve guides, allowing diagnosis of potential issues.
Valve Lash Adjuster
Helps optimize engine efficiency and reduce maintenance requirements by automatically compensating for wear and changes in valve train components.
Valve Lifter
Valve lifters, also known as tappets, are components that ride along the camshaft lobes, converting the rotational motion of the camshaft into the vertical movement that opens and closes the engine’s intake and exhaust valves, enabling the four-stroke operation.
Valve Lock
Small metal clips that grip the valve stem and hold the valve spring retainer in place, critical for proper valve operation.
Valve Lube
Specialized oil or grease that is applied to the valve stems and rockers to minimize wear and ensure smooth, quiet valve operation.
Valve Oil Seal
Rubber or silicone seals installed around the valve stem to keep oil from contaminating the intake or exhaust valves.
Valve Overlap
Specific valve timing design that creates a brief period of overlap between the opening of the exhaust valve and the opening of the intake valve, improving volumetric efficiency.
Valve Rocker Arm
Lever that rides on the camshaft lobes and pushes down on the valve stem to open the valve
Valve Seat
The valve seat is the surface that the valve head seals against when the valve is closed, ensuring a tight seal to prevent air/fuel mixture from escaping the cylinder.
Valve Spring
Valve springs are coil-shaped components that exert a restoring force on the engine’s intake and exhaust valves, closing them after they have been opened by the camshaft and pushrods, maintaining precise valve timing and sealing for optimal engine performance.
Valve Spring Retainer
The valve spring retainer is a small but critical component that holds the valve spring in its correct position on the valve stem, keeping the spring properly seated and allowing it to effectively close the engine’s intake and exhaust valves.
Valve Stem Seal
The valve stem seal is a critical component that creates a tight seal around the valve stem, preventing engine oil from leaking into the combustion chamber and ensuring efficient engine operation by maintaining the proper air-fuel mixture.
Valve Tappet
Plays a crucial role in the valve train, allowing the engine to precisely control the opening and closing of the valves for optimal performance and efficiency.
Valve Train
The valve train includes the camshaft, rocker arms, pushrods, and other parts that coordinate the opening and closing of the engine’s intake and exhaust valves for proper operation.
Valve Train Oil Pump
The valvetrain oil pump is responsible for delivering pressurized engine oil to the critical components of the valvetrain, such as the rocker arms, pushrods, and valve lifters, ensuring their smooth and reliable operation by maintaining adequate lubrication.
Valve Wiper Seal
The valve wiper seal is a small but essential component that creates a barrier around the valve stem, keeping out contaminants like dirt, dust, and debris from entering the engine through the valve guides and compromising the performance and longevity of the valvetrain.
Van Angle
Van angle, also known as caster, is the angle of the steering axis in relation to vertical. It affects the vehicle’s straight-line stability and cornering characteristics.
Vanity Mirror
The vanity mirror, often located in the vehicle’s sun visor, allows the driver and passengers to check and fix their appearance, such as applying makeup or adjusting their hair, while on the go, enhancing their driving experience and overall comfort.
Vapor Canister
The vapor canister is a component in the vehicle’s evaporative emission control system that captures and stores fuel vapors from the fuel tank and fuel lines, preventing them from being released into the atmosphere and contributing to air pollution.
Vapor Canister Filter
Helps the vehicle’s EVAP system meet strict environmental regulations by capturing and storing fuel vapors, which are later burned in the engine.
Vapor Canister Purge Valve
The vapor canister purge valve is responsible for regulating the flow of stored fuel vapors from the vapor canister to the engine, where they can be safely burned during the combustion process, ensuring compliance with environmental regulations and improving overall engine efficiency.
Vapor Canister Vent Valve
The vapor canister vent valve is a critical component in the evaporative emission control system, as it allows air to flow into and out of the vapor canister, enabling the proper storage and release of fuel vapors to maintain system functionality and reduce emissions.
Variable Camshaft Timing (VCT) Solenoid
The VCT solenoid is an electronically-controlled valve that adjusts the timing of the engine’s camshafts, allowing the engine to operate at different valve timing profiles to improve power output, fuel economy, and emissions, depending on driving conditions.
Variable Geometry Turbocharger (VGT)
The VGT uses electronically controlled vanes to vary the turbocharger’s geometry, allowing for improved low-end torque and high-end power by optimizing the airflow and boost pressure.
Variable Valve Lift (VVL) Solenoid
The VVL solenoid is a component that regulates the degree of lift in the engine’s intake and/or exhaust valves, enabling the engine to operate at different valve lift profiles to optimize power, torque, and fuel efficiency, depending on driving conditions.
Variable Valve Timing (VVT) Solenoid
The VVT solenoid is an electronically-controlled valve that adjusts the timing of the engine’s intake and exhaust valves, enabling the engine to operate at different valve timing profiles to optimize power delivery, fuel efficiency, and emissions, based on driving conditions.
Variable Valve Timing (VVT) System
The VVT system uses oil pressure and solenoids to alter the cam timing, allowing the engine to adapt to different operating conditions for improved power, fuel economy, and emissions.
Velocity Sensor
Ensures the engine receives the appropriate air-fuel mixture and timing, optimizing performance, fuel efficiency, and emissions.
Ventilation Hose
Maintains proper airflow and air quality within the vehicle, contributing to the overall comfort and well-being of the occupants.
Ventilation System
The ventilation system uses fans, ducts, and vents to draw in outside air and circulate it through the passenger compartment, improving air quality and comfort.
Vibration Damper
Ensures smooth and stable engine operation by reducing the harmful effects of crankshaft oscillations, which can cause accelerated wear and potential component failure.
Viscous Coupler
Improves traction and vehicle stability by automatically adjusting the power delivered to each axle, optimizing performance and control in various driving scenarios.
Viscous Coupling
The viscous coupling is a fluid-based clutch that connects the engine’s cooling fan to the water pump, allowing the fan speed to vary based on engine cooling needs, improving overall cooling efficiency and reducing engine wear.
Vision Sensor
Plays a crucial role in enabling features like lane departure warning, adaptive cruise control, and autonomous emergency braking, enhancing the overall safety and driving experience.
Voltage Regulator
The voltage regulator is a critical component that ensures a stable and consistent voltage is supplied to the vehicle’s electrical systems, protecting sensitive electronics from voltage fluctuations and ensuring reliable operation of lights, sensors, and other electrical components.
Voltage Sensing Relay
This relay senses the battery voltage and triggers the alternator to charge the battery when the voltage drops below a certain level, ensuring the electrical system remains properly charged.
Voltage Stabilizer
The voltage stabilizer is a device that regulates the voltage supplied to the vehicle’s electrical components, preventing harmful voltage spikes and ensuring a consistent and stable power supply, which is essential for the proper functioning of sensitive electronics and electrical systems.
Volume Control Valve
The volume control valve is a component that adjusts the flow of air or fluid in various vehicle systems, such as the climate control or power steering, allowing for better control and optimization of system performance and efficiency.

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