There are 60 car parts that start with the letter U. From Uabsorber to Utility light. 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 U

Car parts function maintenance interval (months) replacement cost (USD)
Uabsorber A shock absorber that uses a piston and cylinder filled with a viscous fluid to dampen the motion of a vehicle’s suspension system. 12 150
Uadhesive A glue or bonding agent used to hold together various car parts, such as trim pieces, rubber seals, or plastic components. 24 10
Uall-joint A type of universal joint that allows for rotational and angular movement between two shafts, typically used in a vehicle’s driveline or steering system. 36 50
Uassist handle A handle installed in a vehicle, typically near the passenger seat, that provides additional support and stability for entering or exiting the vehicle. 72 25
Ubadge An ornamental emblem or insignia affixed to the exterior of a vehicle, often displaying the manufacturer’s logo or model name. 120 20
Ubar A structural component, such as a crossbar or roll bar, that provides additional strength and support to a vehicle’s frame or body. 36 100
Ubearing A mechanical component that allows for smooth, low-friction rotation or linear movement between parts, reducing wear and tear. 24 30
Ubinder A device used to hold together or secure various car parts, such as wiring harnesses, hoses, or cables, in a organized and tidy manner. 60 5
Ubolt A type of fastener with a u-shaped bend that is used to secure car parts, such as the engine, suspension, or body panels, to the vehicle’s frame or structure. 60 10
Ubucket A seat design that provides individual seating for the driver and front passenger, often with increased lateral support and bolstering for improved comfort and control during spirited driving. 120 500
Ubuoy A float or buoyancy device used in certain vehicle systems, such as fuel tanks or cooling systems, to provide a means of measuring fluid levels or maintaining proper fluid balance. 36 20
Ubutton A small, typically circular switch or control found on the interior of a vehicle, used to activate or control various features and functions, such as lighting, climate, or infotainment systems. 60 10
Ucable A flexible, insulated wire or cord used to transmit electrical signals or power within a vehicle, connecting various components and systems. 24 20
Ucam A small camera mounted on a vehicle, often used for features such as rear-view cameras, blind-spot monitoring, or advanced driver assistance systems (ADAS). 60 100
Ucarbon filter A filter designed to remove odors, pollutants, and other impurities from the air entering a vehicle’s cabin, improving the air quality and comfort for occupants. 12 30
Ucasing The outer housing or enclosure that surrounds and protects various car parts, such as the engine, transmission, or differential. 72 150
Ucatch A latch, clasp, or mechanism used to secure and hold in place various car parts, such as doors, hoods, or glove compartments. 24 15
Ucenter console A raised, enclosed area between the driver and front passenger seats that houses various controls, storage compartments, and sometimes infotainment systems. 120 300
Uchoke A mechanism, typically a valve or lever, that temporarily enriches the fuel-air mixture in a vehicle’s engine to aid in cold-weather starting. 24 25
Uclamp A device used to secure, hold, or tighten car parts in place, such as hoses, wires, or tubes, preventing them from loosening or moving during operation. 36 5
Uclutch A mechanism that engages and disengages the transmission from the engine, allowing the driver to control the power delivery to the wheels and facilitate gear changes. 36 300
Ucoil An electrical component consisting of a wound wire that generates a magnetic field when an electric current passes through it, used in various vehicle systems such as ignition or suspension. 24 50
Ucollar A protective ring or sleeve that surrounds and secures certain car parts, such as bearings, bushings, or seals, to prevent damage or leakage. 48 20
Uconnector A device that allows the secure and reliable connection of various electrical or mechanical components within a vehicle, ensuring the continuity of power, signals, or physical attachments. 24 10
Ucontrol arm A pivoting linkage that connects the vehicle’s suspension to the chassis or frame, allowing for the controlled movement of the wheels during operation. 48 150
Ucooler A heat exchanger used to lower the temperature of a liquid, such as engine coolant or transmission fluid, to prevent overheating and maintain optimal operating conditions. 36 150
Ucover A protective housing or shield that covers and safeguards various car parts, such as the engine, battery, or electrical wiring, from environmental elements, debris, or physical damage. 48 50
Ucrank A part of the engine that converts the reciprocating motion of the pistons into rotational motion, transferring power from the engine to the drivetrain. 48 500
Ucrank sensor An electronic device that monitors the position and speed of the crankshaft, providing crucial data to the vehicle’s engine control unit (ECU) for accurate fuel delivery and ignition timing. 36 100
Ucushion The padded, upholstered portion of a vehicle seat that provides comfort and support for the occupant. 72 150
Udamper A device that absorbs or dissipates vibrations or oscillations, helping to maintain smooth and stable operation of vehicle components, such as the engine or suspension. 24 75
Udash The main control panel and instrument cluster located in front of the driver, housing various gauges, displays, and controls for the vehicle’s systems and functions. 120 300
Udashpad A padded or textured surface that covers the top of the dashboard, providing a durable and aesthetically pleasing finish to the vehicle’s interior. 120 100
Udoor handle The external mechanism used to open and close a vehicle’s doors, often incorporating features such as locks, remote entry, or child safety locks. 60 50
Udoor latch The mechanism that secures a vehicle’s door in the closed position, preventing unintended opening during operation and ensuring the safety and integrity of the vehicle’s structure. 36 30
Udoor lock A mechanism that allows the driver or passengers to secure the vehicle’s doors from the inside, providing an additional layer of protection and security. 48 40
Udoor panel The interior trim piece that covers the inner surface of a vehicle’s door, often incorporating features such as speakers, window controls, or storage compartments. 72 100
Udoor trim The decorative, protective, or functional strip of material that covers the edges of a vehicle’s door, helping to create a polished, finished appearance and protect the underlying structure. 60 30
Udynamo An electrical generator that converts mechanical energy into electrical energy, used in older vehicles to charge the battery and power the electrical systems. 48 100
Ueye bolt A type of fastener with a u-shaped bend and an eye or loop at the end, used to secure car parts or attach items to the vehicle’s structure. 48 15
Ueye hook A hook-shaped fastener with a u-shaped bend, used to hang or secure items within a vehicle, such as storage nets, cargo hooks, or wiring harnesses. 36 10
Ufan A device that generates airflow to cool or ventilate a vehicle’s engine, transmission, or other components that generate heat during operation. 24 75
Ufender The exterior body panel that covers and protects the vehicle’s wheels, helping to prevent debris, mud, or water from being kicked up and damaging the car’s finish or other components. 120 200
Ufilter A device that removes impurities, contaminants, or unwanted particles from various fluids or airflows within a vehicle, such as the engine oil, fuel, or cabin air. 12 20
Ufixture A structural component or mount that secures and positions various car parts, such as lights, sensors, or trim pieces, in their proper location on the vehicle. 60 30
Uhead Provides access to the engine’s internal components, allowing for maintenance and repairs. Typically made of cast iron or aluminum alloy. 12 150-500
Uintake manifold Distributes the air-fuel mixture to the engine’s cylinders. 24 100-300
Uknuckle Connects the steering linkage to the wheel assembly, allowing for wheel turning and suspension movement. 48 50-200
Uliner Provides a protective, insulating layer inside various vehicle components. 12 20-100
Ulmb (universal length measuring block) Measures the length of various engine and drivetrain components. N/A 20-50
Umpire Uniballer Unibush Unilateral suspension
Unibody The structural foundation of the vehicle, combining the body and frame into a single integrated unit for enhanced rigidity and safety. 60 2500
Universal joint Allows the transmission of rotational power between two shafts at an angle. 24 150
Upholstery The soft interior materials that cover the seats, door panels, and other surfaces. N/A 300
Upper control arm Part of the front suspension system, connecting the wheel hub to the vehicle’s chassis. 36 300
Upper radiator hose Carries the hot coolant from the engine to the radiator. 36 50
Upstream oxygen sensor Monitors the air-fuel mixture entering the catalytic converter. 36 150
Urethane bumper A shock-absorbing bumper made of a flexible polyurethane material. N/A 500
Utility hook Provides a convenient attachment point for securing cargo or other items in the vehicle’s interior or trunk. N/A 15
Utility light An additional lighting source, typically located in the trunk or cargo area, to provide illumination when needed. N/A 25

Descriptions

Uabsorber
The uabsorber is a crucial component of a vehicle’s suspension system, responsible for smoothing out the ride by absorbing the impact of bumps and potholes. It helps to maintain stability and control during driving.
Uadhesive
Uadhesive is a versatile car part that allows for the secure attachment of various elements in a vehicle, ensuring a durable and long-lasting assembly.
Uall-joint
The uall-joint is a critical component in a vehicle’s powertrain or steering system, enabling smooth and flexible power transmission or steering input while allowing for necessary movement and articulation.
Uassist handle
The uassist handle is a convenient feature that helps passengers, especially the elderly or those with mobility issues, to safely and easily get in and out of a car.
Ubadge
The ubadge is a prominent design element on a vehicle, serving both an aesthetic and identifying function, allowing customers to easily recognize the make and model of the car.
Ubar
The ubar is an essential safety feature in many vehicles, enhancing the structural integrity of the car and helping to protect occupants in the event of a collision or rollover.
Ubearing
Ubearings are vital components found throughout a vehicle, enabling the efficient operation of various systems, from the engine to the wheels, by minimizing friction and facilitating smooth, controlled motion.
Ubinder
The ubinder is a simple but effective car part that helps to maintain the organization and cleanliness of a vehicle’s interior, ensuring that essential components are properly routed and protected.
Ubolt
Ubolts are a versatile and reliable fastening solution found in many areas of a vehicle, allowing for the secure attachment of critical components while accommodating slight variations in alignment or positioning.
Ubucket
Ubucket seats are a premium feature found in high-performance or luxury vehicles, offering enhanced lateral support and a more sporty, driver-focused seating experience compared to traditional bench-style seats.
Ubuoy
The ubuoy is a specialized car part that plays a crucial role in maintaining the proper functioning of various vehicle systems, helping to ensure reliable and safe operation by monitoring and regulating fluid levels.
Ubutton
Ubuttons are ubiquitous in modern vehicles, providing intuitive and accessible controls for a wide range of in-car features and systems, allowing drivers and passengers to easily interact with the vehicle’s various functions.
Ucable
Ucables are an essential part of a vehicle’s electrical infrastructure, responsible for carrying the necessary electrical currents and signals to power and control the many electronic systems and features found in modern automobiles.
Ucam
Ucams are becoming increasingly common in vehicles, providing valuable visual information to the driver and enhancing overall safety and awareness by expanding the driver’s field of vision and detecting potential hazards.
Ucarbon filter
The ucarbon filter is an important component of a vehicle’s air filtration system, effectively trapping and removing a wide range of airborne contaminants, ensuring a cleaner and more pleasant interior environment for the driver and passengers.
Ucasing
The ucasing is a vital component that provides a durable and weatherproof shell for essential vehicle systems, shielding them from environmental elements, road debris, and other potential hazards to ensure their proper and reliable operation.
Ucatch
Ucatches are simple but crucial components that ensure the safe and secure closure of various openings and compartments in a vehicle, preventing accidental openings and maintaining the overall integrity of the car’s structure.
Ucenter console
The ucenter console is a prominent and functional feature in many vehicles, providing a central hub for accessing and controlling numerous in-car features and systems, as well as offering convenient storage solutions for the driver and passengers.
Uchoke
The uchoke is an essential component in the fuel delivery system of many vehicles, particularly older models, that helps to overcome the increased resistance to combustion during cold engine conditions, ensuring reliable and smooth starting in colder climates.
Uclamp
Uclamps are versatile and practical car parts that play a critical role in maintaining the proper positioning and connection of various components within a vehicle, ensuring their continued reliable function and preventing potentially dangerous failures or malfunctions.
Uclutch
The uclutch is a fundamental component of a manual transmission vehicle, enabling the driver to smoothly and precisely control the transfer of power from the engine to the drivetrain, allowing for optimal acceleration, deceleration, and gear shifting during operation.
Ucoil
Ucoils are essential parts of many vehicle systems, converting electrical energy into magnetic fields to perform crucial functions, such as firing spark plugs or controlling the movement of suspension components, ensuring the proper and efficient operation of the vehicle.
Ucollar
The ucollar is a reliable and durable car part that helps to maintain the proper positioning and sealing of various components, shielding them from external forces, contaminants, and other potentially harmful conditions to extend their lifespan and optimize the vehicle’s performance.
Uconnector
Uconnectors are essential car parts that enable the seamless integration of a vehicle’s complex systems, providing durable and dependable interfaces that allow for the efficient transfer of electrical currents, digital signals, or mechanical forces between different components.
Ucontrol arm
Ucontrol arms are crucial components of a vehicle’s suspension system, facilitating the smooth and controlled motion of the wheels as they encounter variations in the road surface, helping to maintain stability, handling, and ride comfort.
Ucooler
The ucooler is a critical component in a vehicle’s thermal management system, dissipating excess heat generated by the engine, transmission, or other high-temperature systems to ensure their continuous and reliable operation, ultimately enhancing the vehicle’s overall performance and longevity.
Ucover
Ucovers are essential car parts that provide a durable and weatherproof barrier, shielding sensitive components from the harsh conditions they may encounter during normal operation, helping to maintain their integrity and proper functioning over the vehicle’s lifetime.
Ucrank
The ucrank is a fundamental component of the internal combustion engine, responsible for transforming the linear movement of the pistons into the rotational energy that drives the vehicle’s wheels, enabling the efficient conversion and transmission of power from the engine to the wheels.
Ucrank sensor
The ucrank sensor is a vital component in the engine management system, accurately tracking the crankshaft’s movement and relaying this information to the ECU, which then uses it to optimize engine performance, fuel efficiency, and emissions in real-time.
Ucushion
The ucushion is an essential part of a vehicle’s seating system, designed to distribute the occupant’s weight evenly and comfortably, helping to reduce fatigue and maintain proper posture during extended driving periods, enhancing the overall comfort and driving experience.
Udamper
The udamper is a vital car part that helps to mitigate the effects of harmful vibrations and oscillations, ensuring the proper and reliable functioning of various vehicle systems, improving overall ride quality, and extending the service life of critical components.
Udash
The udash is a central and critical component of a vehicle’s interior, serving as the primary interface between the driver and the car’s various systems, providing essential information and intuitive controls to ensure safe and efficient operation of the vehicle.
Udashpad
The udashpad is an important design element that not only enhances the visual appeal of a vehicle’s interior but also helps to reduce glare and reflections, improving visibility and driver comfort, especially in bright lighting conditions.
Udoor handle
The udoor handle is a crucial car part that allows for the safe and convenient ingress and egress of the vehicle, providing a durable and accessible means of operating the doors, while also potentially integrating with other security or convenience features.
Udoor latch
The udoor latch is an essential car part that plays a vital role in maintaining the security and structural integrity of a vehicle, reliably keeping the doors closed and locked, and preventing potentially dangerous situations that could arise from a door accidentally opening while the car is in motion.
Udoor lock
The udoor lock is an important safety feature in a vehicle, giving the occupants the ability to lock the doors and prevent unauthorized entry, enhancing the overall security of the car and providing peace of mind for the driver and passengers.
Udoor panel
The udoor panel is a crucial component of a vehicle’s interior design, not only providing an attractive and durable finish to the door’s interior but also serving as a functional interface for various in-car features and controls, seamlessly integrating with the overall cabin environment.
Udoor trim
The udoor trim is an important design element that enhances the aesthetics of a vehicle’s exterior, while also serving a practical purpose by protecting the door’s edges from damage and wear, ensuring a clean, uniform appearance is maintained over the car’s lifetime.
Udynamo
The udynamo is an essential component in the electrical system of classic or vintage vehicles, responsible for generating the necessary electrical power to charge the battery and operate various electrical components, ensuring the continued reliable operation of the car’s essential systems.
Ueye bolt
The ueye bolt is a versatile car part that allows for the secure attachment of various components, such as wiring harnesses, hoses, or mounting brackets, to the vehicle’s frame or body, ensuring a durable and reliable connection that can withstand the stresses of normal operation.
Ueye hook
The ueye hook is a practical car part that provides a convenient and sturdy means of attaching or suspending various items inside the vehicle, allowing for efficient organization and storage of equipment, tools, or other accessories while maintaining a clean and well-organized interior.
Ufan
The ufan is a critical component in a vehicle’s thermal management system, actively circulating air to dissipate excess heat and maintain optimal operating temperatures for the engine, transmission, and other heat-generating systems, ensuring their continued reliable performance and longevity.
Ufender
The ufender is an essential part of a vehicle’s design, not only serving a functional purpose by shielding the wheels and undercarriage but also contributing to the overall aesthetic appeal of the car’s exterior, helping to create a cohesive and visually appealing appearance.
Ufilter
Ufilters are crucial components in maintaining the health and performance of a vehicle’s systems, ensuring that essential fluids and airflows remain clean and free of potentially harmful elements, thereby extending the lifespan of critical components and optimizing the overall efficiency and operation of the car.
Ufixture
The ufixture is an essential car part that ensures the reliable and precise installation of numerous components, from exterior lighting to interior trim, helping to maintain the intended functionality, appearance, and structural integrity of the vehicle as a whole.
Uhead
The uhead is the removable top portion of an engine block that houses the valves, camshafts, and other critical components. It must be periodically removed for inspections and potential replacements.
Uintake manifold
The uintake manifold is a crucial component that channels the air-fuel mixture from the carburetor or fuel injection system into the engine’s cylinders for combustion. It must be properly maintained to ensure efficient engine operation.
Uknuckle
The uknuckle is a pivoting joint that allows the wheels to turn and the suspension to move up and down. It is subjected to significant stress and must be regularly inspected for wear and proper alignment.
Uliner
The uliner is a thin, lightweight material used to line the interior of various vehicle components, such as door panels, trunk liners, and engine compartments, to provide thermal and acoustic insulation.
Ulmb (universal length measuring block)
The ulmb is a specialized tool used to accurately measure the length of engine and drivetrain parts, such as crankshafts, camshafts, and driveshafts, to ensure proper fitment and performance.
Umpire
Union
Unibody
The unibody construction integrates the body and frame, providing a strong, lightweight platform that improves handling, crash protection, and fuel efficiency compared to traditional body-on-frame designs.
Universal joint
Also known as a ‘U-joint,’ this component connects the driveshaft to the differential, enabling the power from the engine to be transmitted to the wheels even when the shafts are not perfectly aligned.
Upholstery
High-quality upholstery enhances the comfort and aesthetic appeal of the vehicle’s cabin, providing a luxurious and inviting environment for the driver and passengers.
Upper control arm
The upper control arm provides precise wheel alignment and helps maintain proper suspension geometry, ensuring a smooth ride and responsive steering.
Upper radiator hose
This hose transfers the heated coolant from the engine block to the radiator, allowing the system to efficiently dissipate heat and maintain the optimal operating temperature.
Upstream oxygen sensor
Also known as the ‘front’ or ‘pre-cat’ oxygen sensor, this component provides feedback to the engine control unit to ensure the engine is running at the optimal air-fuel ratio for efficient combustion and emissions control.
Urethane bumper
The urethane bumper is designed to compress and deform upon impact, helping to protect the vehicle’s body and occupants in low-speed collisions.
Utility hook
These hooks are often found in the trunk, cargo area, or under the seats, allowing drivers to safely transport and organize their belongings during travel.
Utility light
The utility light helps drivers see clearly when accessing the trunk or loading and unloading the vehicle, improving visibility and safety during nighttime or low-light conditions.

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