Terms A - B

Term	Definition
A/C Compressor	A compressor in the A/C system that compresses and pumps the refrigerant though the system, mounted on the engine and turned by the crankshaft pulley.
A/C Compressor Bracket	A Bracket that mounts the A/C Compressor to the Engine.
A/C Compressor Clutch	A device on the A/C compressor that engages or disengages the compressor when pulley is turning.
A/C Compressor Pulley	A metal pulley that is mounted to the A/C compressor and turned by the crankshaft pulley.
A/C Condenser	A part of the A/C system similar to a radiator that cools the refrigerant as it turns from a gas back to a liquid. Usually mounted in front of the radiator. Other names: (Condenser).
A/C Condenser Fan (Electric)	Same as a Condenser Fan.
A/C Condenser Fan Blade	Same as a Condenser Fan Blade.
A/C Controls	A set of controls that are used to control the A/C system.
A/C Evaporator	A part of the A/C system similar to a radiator that heats the refrigerant with the incoming air as it turns from a liquid back to a gas. The blower motor pushes air through this and into the vehicle for cooling. Other names: (Evaporator).
A/C Evaporator Housing	Same as an A/C Housing.
A/C Hoses/Lines, Misc.	Any hoses/lines that are part of the A/C system.
A/C Housing	A plastic or metal housing that houses the A/C evaporator and blower motor with ducts for air to enter and exit. Other names: (A/C Evaporator Housing, Evaporator Housing).
A/C Parts, Misc.	Any A/C parts other than the ones that are already listed here.
A/C Relay	An electrical device that uses a low current switch to connect a high current wire for the A/C system.
A/C Wiring Harness	A harness of wires that runs to and power the A/C system.
ABS Accumulator	A part of the Anti-Lock Brake System that stores brake fluid under pressure from the ABS Pump and can instantly provide fluid under pressure to the brakes.
ABS Actuator	A part of the Anti-Lock Brake System that releases and restores the pressure to the brakes when wheel skid is detected.
ABS Combination Valve	A valve in the Anti-Lock Brake System that works as a metering valve, proportioning valve, and pressure differential switch.
ABS Control Module (Computer)	The module/computer that controls the Anti-Lock Brake System.
ABS Isolation Dump Valve	A valve in the Anti-Lock Brake System that releases pressure when activated.
ABS Modulator	A part of the Anti-Lock Brake System that controls and adjusts pressure in the system.
ABS Parts, Misc.	Any ABS Parts other than the ones found on this list.
ABS Pump	A parts of the Anti-Lock Brake System that pumps the brake fluid for the system.
ABS Relay	An electrical device that uses a low current switch to connect a high current wire for the Anti-Lock Brake system.
ABS Sensor	A sensor that is located at each wheel to measure the speed of the wheel. Other names: (Wheel Speed Sensor).
Accelerator Cable	A cable the connects the Accelerator Pedal to the Throttle Linkage. Other names: (Accelerator Parts, Misc.).
Accelerator Control Module (Computer)	A module/computer that attaches to the end of the gas pedal on vehicles with electronic throttle (drive by wire) to measure how much the accelerator is being pressed and thus regulate the throttle plates. Mostly found on newer high technology vehicles. Other names: (ACM, Throttle Control Module (Computer)).
Accelerator Linkage	The linkage that connects the Accelerator Pedal to the Throttle Linkage. Other names: (Accelerator Parts, Misc.).
Accelerator Parts, Misc.	Any Accelerator Parts other than the Accelerator Cable, Accelerator Control Motor, Accelerator Linkage, and Accelerator Pedal. Other names: (Accelerator Cable, Accelerator Control Motor, Accelerator Linkage, Accelerator Pedal).
Accelerator Pedal	The pedal used to accelerator the vehicle. Other names: (Gas Pedal).
Active Body Control Module (Computer, ABC)	A module/computer that controls the suspension system, mainly found on Mercedes vehicles.
Active Ride Control Module (Computer)	A module/computer that controls the suspension system, mainly found on Isuzu vehicles.
Active Roll Control Module (Computer)	A module/computer that controls the suspension system, mainly found on Land Rover vehicles.
Aftermarket Accessories/Parts	Any parts or accessories that are not from the original equipment manufacturer.
Air & Fuel Control Module (Computer)	A module/computer that controls the air/fuel ratio adjustment of the carburetor electronically. Mostly found on early Ford/Mercury vehicles.
Air Bag Control Module (Computer, SRS)	A module/computer that controls the air bag/SRS system in the vehicle.
Air Cleaner Box	A Box or Housing located at the beginning of the Intake System that houses the Air Cleaner. Other names: (Air Cleaner Housing).
Air Cleaner Housing	Same as an Air Cleaner Box.
Air Flow Meter	A meter located in the that measures the amount of air that is being drawn into the engine so the engine computer can better determine that amount of fuel to inject. Other names: (Air Flow Sensor, Mass Air Flow Meter, Mass Air Flow Sensor).
Air Flow Sensor	See Air Flow Meter.
Air Horn	A device powered by air that produces a loud noise to alert vehicles around you. Other names: (Horn).
Air Injection Pump	A pump that pumps air for the Air Injection System, usually mounted on the Engine and turned by the Crankshaft.
Air Injection Pump Bracket	A Bracket that mounts the Air Injection Pump to the Engine.
Air Injection Pump Pulley	A metal pulley that connects to the air injection pump and is turned by the crankshaft pulley.
Air Intake Distributor	Similar to an Intake Manifold, it distributes the air to each cylinder. Other names: (Intake Distributor).
Air Regulator	A regulator located in the Intake System that regulators the amount of air sucked into the engine.
Air Ride Compressor	An air compressor that supplies air for the Air Suspension. Other names: (Suspension Compressor).
Air Shock	A shock absorber that also has a rubber bladder that can be filled/emptied with air to raise/lower the vehicle.
Air Spring	A part of an Air Suspension that uses air rather than steel to provide the cushioning of the suspension.
Air Strut	A suspension piece similar to a Strut that uses an air spring rather than a coil spring for cushioning, it can also raise and lower the vehicle.
Airbag	A bag that deploys in the event of a collision to cushion the driver and/or passengers from smashing into the interior.
Alarm Control Module (Computer)	A module/computer that controls the alarm system of the vehicle.
Alternator	A device that is mounted on the engine and turned by the crankshaft pulley that charges and maintains the battery.
Alternator Bracket	A Bracket that mounts the Alternator to the Engine.
Alternator Pulley	A metal pulley mounted to the alternator and turned by the crankshaft pulley.
Altitude Switch	A switch that measures the altitude and adjusts the air/fuel mixture to compensate.
Amp Gauge	A gauge/instrument that tells you the amount of amps the system is charging/discharging.
Amplifier (Radio)	An electrical device that boosts the speaker signal coming out of the radio to produce a louder sound.
Antenna (Radio)	A metal rod that is either electrically raises/lowered or manually stationary that provides the radio signals for the radio/audio system.
Antenna Switch	A switch on the dashboard that operates the power antenna.
Anti-Roll Bar	Same as a Sway Bar.
Anti-Theft Control Module	A module/computer that controls the anti-theft system of the vehicle.
Armrest	An interior pad that the driver and/or passengers can use to rest their arms on. Usually found on the door or in the center of the seats. Other names: (Trim Pad, Misc.).
Ashtray	A container/tray that used by smokers for their cigarettes and ashes.
Audio Control Module (Computer)	A module/computer that controls the audio system of the vehicle.
Audio Equipment, Misc.	Any audio equipment from the vehicle that is not already listed here.
Automatic Transaxle	See Transaxle (Complete).
Automatic Transmission	See Transmission (Complete).
Auxiliary Air Regulator	A regulator located in the Intake System that provides more Air when an engine is cold to increase the idle speed.
Auxiliary Instrument Cluster	An Instrument Cluster separate from the Main Cluster (Speedometer, etc.) containing other Instruments. Other names: (Instrument Cluster (Auxiliary)).
Auxiliary Leaf Spring (Rear)	Same as a Leaf Spring (Auxiliary, Rear).
Auxiliary Transmission Cooler	Same as a Transmission Oil Cooler.
Axle (Front, Complete)	An assembly of Axle Shafts and Differential Gears that support and drive the front wheels of the Vehicle. Other names: (Front Axle).
Axle (Rear, Complete)	An assembly of Axle Shafts and Differential Gears the support and drive the rear wheels of the Vehicle. Other names: (Rear Axle).
Axle Beam (Front)	See Beam Axle (Front).
Axle Beam (Rear)	See Beam Axle (Rear).
Axle Boot	A rubber boot/cover that covers the CV joint of the axle.
Axle Flange	A piece at the end of the Axle Shaft that the wheel attaches to. Other names: (Front Axle Flange, Rear Axle Flange).
Axle Housing	The empty housing that contains the Axle Shafts and Differential Gears of the Axle. Other names: (Front Axle Housing, Rear Axle Housing).
Axle Nut	A nut that screws on the end of the axle to hold it in place.
Axle Parts, Misc.	Any axle parts other than the ones that are already listed here.
Axle Shaft	The shaft in the Axle that connects the Differential Gears to the Wheels, Hub, or Spindle, or the shaft that connects the Wheels, Hub, or Spindle to the Transaxle/Transmission or Jackshaft.
Axle Stub (Front)	A little stub at the ends of the front suspension that carry the hubs and bearings.
Back Door Handle(Inside/Outside)	See Door Handle (Inside) or Door Handle (Outside).
Back Door Hinge	See Door Hinge (Back).
Back Door Molding	See Door Molding (Back, Outside).
Back Door Panel	See Door Panel (Back, Interior).
Back Glass	The Window at the Rear of the vehicle. Other names: (Back Window, Rear Window).
Back Glass Latch	A latch that holds the back glass closed when it is shut. Other names: (Back Window Latch, Latches, Misc.).
Back Glass Molding	A metal, plastic, or rubber molding that surrounds the outer edge of the back glass. Other names: (Back Window Molding).
Back Glass Motor	An electrical motor that controls the back glass regulator for power back glasses. Other names: (Back Window Motor, Power Window Motor, Tailgate Window Motor, Window Motor).
Back Glass Piston	See Back Glass Strut.
Back Glass Regulator	A mechanical assembly that opens/closes the Back Glass either Electrically or Manually. Other names: (Back Window Regulator, Tailgate Window Regulator, Window Regulator (Back Glass)).
Back Glass Strut	A strut the helps to keep the Back Glass up when opened. Other names: (Back Window Strut, Back Glass Piston).
Back Glass Washer Motor	A motor that pumps washer fluid to the Back Glass for washing. Other names: (Back Window Washer Motor, Hatchback Window Washer Motor, Liftback Window Washer Motor, Tailgate Window Washer Motor).
Back Glass Washer Nozzle	A nozzle that sprays washer fluid onto the back glass.
Back Glass Washer Switch (on Column)	A switch located on the steering column that operates the back glass washer.
Back Glass Washer Switch (on Dash)	A switch located on the dashboard that operates the back glass washer.
Back Glass Wiper Switch (on Column)	A switch located on the steering column that operates the back glass wiper.
Back Glass Wiper Switch (on Dash)	A switch located on the dashboard that operates the back glass wiper.
Back Window	See Back Glass.
Back Window Latch	See Back Glass Latch.
Back Window Molding	See Back Glass Molding.
Back Window Motor	See Back Glass Motor.
Back Window Piston	See Back Glass Strut.
Back Window Regulator	See Back Glass Regulator.
Back Window Strut	See Back Glass Strut.
Back Window Washer Motor	See Back Glass Washer Motor.
Backing Plate (Front)	A plate located behind the front Brake Drum or Rotor that provides protection and/or mounting of brake hardware, usually bolted to the Spindle or Axle. Other names: (Front Backing Plate).
Backing Plate (Rear)	A plate located behind the rear Brake Drum or Rotor that provides protection and/or mounting of brake hardware, usually bolted to the Spindle or Axle. Other names: (Rear Backing Plate).
Backup Light	A lamp/light that is mounted on the rear of the vehicle that turns on when backing up to illuminate the rear view. This is separate from the Taillight. Other names: (Reverse Light).
Battery	An electrical component that stores and supplies energy for the electrical system or on electric powered vehicles provides the energy to drive the vehicle.
Battery Box	A box that the battery rest in while in the vehicle. Other names: (Battery Tray).
Battery Tray	A tray that the battery rests in while in the vehicle. Other names: (Battery Box).
BCM	See Body Control Module (Computer, BCM).
Beam Axle (Front, Complete)	A rigid or dead axle(s) that supports the front wheels of the vehicle, but doesn't drive them. Other names: (Axle Beam (Front), Front Beam Axle).
Beam Axle (Rear, Complete)	A rigid or dead axle that supports the rear wheels of the vehicle, but doesn't drive them. Other names: (Axle Beam (Rear), Rear Beam Axle).
Bed (Pickup)	See Pickup Bed.
Bed (Van)	See Seat (Bed, Van).
Bell Housing	The housing that surrounds the Flywheel and Clutch of a Manual Transmission or the Flywheel and Torque Converter of an Automatic Transmission. Other names: (Clutch Housing).
Belt Tensioner	A devise using an idler pulley to help tighten the accessory drive belt(s) on the engine.
Blower Motor	An electrical motor and fan that blow air for the a/c-heating system.
Body (Complete)	The complete body of the vehicle.
Body Control Module(Computer, BCM)	A module/computer that controls vehicles functions other than the emissions and engine systems. Other names: (BCM).
Body Mounts	Rubber mounts the support the body on the frame or chassis.
Body Parts, Misc.	Any vehicle body parts that are not already listed here.
Body Wiring Harness	A harness of wires that runs through and power the body of the vehicle.
Brackets, Misc.	Any brackets mounted to the Engine other than the ones already listed here.
Brake Booster	A mechanical device the uses a pressure source to reduce the effort required to brake the vehicle by increasing the force to the Brake Master Cylinder.
Brake Caliper	A slave cylinder on disc brakes that holds and forces the Brake Pads onto the Brake Rotor by the Brake Master Cylinder during braking. Other names: (Caliper (Brake)).
Brake Caliper Bracket (Front)	A bracket that holds the front brake caliper. Other names: (Caliper Bracket (Brake, Front)).
Brake Caliper Bracket (Rear)	A bracket that holds the rear brake caliper. Other names: (Caliper Bracket (Brake, Rear)).
Brake Combination Valve	A valve in the brake system that works as a metering valve, proportioning valve, and pressure differential switch all in one.
Brake Drum (Front)	See Drum (Brake, Front).
Brake Drum (Rear)	See Drum (Brake, Rear).
Brake Light	See Taillight.
Brake Light Wiring Harness	See Taillight Wiring Harness.
Brake Line (Front)	A metal or rubber line that carries brake fluid from the brake Master Cylinder to the front Wheel Cylinders or Calipers. Other names: (Front Brake Line).
Brake Line (Rear)	A metal or rubber line that carrier brake fluid from the brake Master Cylinder to the rear Wheel Cylinders or Calipers. Other names: (Rear Brake Line).
Brake Master Cylinder	Same as a Master Cylinder (Brake).
Brake Master Cylinder Reservoir	Same as a Master Cylinder Reservoir (Brake).
Brake Pads (Front)	A friction material or lining mounted to a flat metal pad that is placed inside the brake Caliper and is squeezed against the Rotor to provide braking action. Other names: (Front Brake Pads).
Brake Pads (Rear)	A friction material or lining mounted to a flat metal pad that is placed inside the brake Caliper and is squeezed against the Rotor to provide braking action. Other names: (Rear Brake Pads).
Brake Parts, Misc. (Front)	Any parts other than the ones listed here that pertain to the front brakes.
Brake Parts, Misc. (Rear)	Any parts other than the ones listed here that pertain to the rear brakes.
Brake Proportioning Valve	A valve that equalizes the pressure between the front and rear wheels to help eliminate wheel lockup.
Brake Relay	An electrical device that uses a low current switch to connect a high current wire for the brake light system.
Brake Rotor (Front)	See Rotor (Brake, Front).
Brake Rotor (Rear)	See Rotor (Brake, Rear).
Brake Shoes	A friction material or lining mounted to a curved metal piece that is placed inside the Brake Drum and is expanded against the Drum by the Wheel Cylinder to provide braking action. Other names: (Front Brake Shoes, Rear Brake Shoes).
Brake/Clutch Pedal Box	A box that bolts to the firewall and serves as a mounting for the brake and clutch pedal.
Brush Guard	A metal structure bolted to the front end that protects the front end during a light collision or when going through brush.
Bumper (Front, Complete)	A usually decorative body part located on the front most portion of the vehicle at about knee height. It is used to protect the vehicle from damage in a slow collision. It usually includes any reinforcements, lights, moldings, guards, and end caps. Other names: (Front Bar, Front Bumper, Wraparound Bumper (Front)).
Bumper (Rear, Complete)	A usually decorative body part located on the rear most portion of the vehicle at about knee height. It is used to protect the vehicle from dame in a slow collision and/or to provide an extra step to enter the vehicle. It usually includes any reinforcements, lights, moldings, guards, and end caps. Other names: (Rear Bar, Rear Bumper, Step Bar (Rear), Step Bumper (Rear), Wraparound Bumper (Rear)).
Bumper Cover (Front)	A decorative body part located on the front most portion of the vehicle covering the structural (reinforcement) portion of the Bumper. When requesting this part, please use Bumper (Front, Complete). Other names: (Front Bumper Cover).
Bumper Cover (Rear)	A decorative body part located on the rear most portion of the vehicle covering the structural (reinforcement) portion of the Bumper. Other names: (Rear Bumper Cover).
Bumper Emblem (Front)	A plastic or metal piece that displays the make, model, or company name or logo on the front bumper.
Bumper Emblem (Rear)	A plastic or metal piece that displays the make, model, or company name or logo on the rear bumper.
Bumper End Cap	A usually plastic or rubber body part(s) that covers the end of the each side of the bumper for protection and/or to fill in open spaces. Other names: (Front Bumper End Cap, Rear Bumper End Cap).
Bumper Filler Panel	A decorative body panel usually located above the bumper between the bumper and the body to fill space. Other names: (Front Bumper Filler Panel, Rear Bumper Filler Panel).
Bumper Guard (Front)	A body part(s) located on or around the Bumper to protect it from damage. Other names: (Front Bumper Guard).
Bumper Guard (Rear)	A body part(s) located on or around the bumper to protect it from damage. Other names: (Rear Bumper Guard).
Bumper Jack	A device used for lifting the vehicle by the bumper when changing a tire. Other names: (Jack).
Bumper Reinforcement (Front)	A structural body part located behind the bumper cover. Other names: (Front Bumper Reinforcement).
Bumper Reinforcement (Rear)	A structural body part located behind the bumper cover. Other names: (Rear Bumper Reinforcement).
Bumper Shock	A structural body part(s) that connects the bumper to the vehicle. It helps absorb impact in the event of a collision. Other names: (Front Bumper Shock, Rear Bumper Shock).
Bumper Skirt	A plastic or rubber piece that mounted underneath the bumper to clear away road debris. Other names: (Front Bumper Skirt, Rear Bumper Skirt).