PartType & Accessories Categories
for your Acura 2013 ZDX

• + Air and Fuel Delivery
  • + Electrical Connectors
    • Fuel Injector Connector
  • + Filters
    • Engine Air Filter
    • Fuel Filter
    • Fuel Pump Filter
  • + Fuel Injection System and Related Components
    • Fuel Injection Pressure Regulator
    • Fuel Injection Throttle Body
    • Fuel Injector
  • + Fuel Pumps and Related Components
    • Electric Fuel Pump
    • Fuel Pump Module Assembly
  • + Fuel Storage
    • Fuel Filler Neck
    • Fuel Tank Strap
  • + Gaskets and Sealing Systems
    • Fuel Injection Plenum Gasket
    • Fuel Injection Plenum Gasket Set
    • Fuel Injection Throttle Body Mounting Gasket
  • + Hardware, Fasteners and Fittings
    • Air Cleaner Fastener
  • + Relays
    • Fuel Injection Relay
    • Fuel Pump Relay
  • + Sensors
    • Fuel Injection Manifold Pressure Sensor
    • Fuel Tank Pressure Sensor
  • + Service Kits
    • Fuel Injector Seal Kit
    • Fuel Tank Cleaning Kit
• + Belts and Cooling
  • + Accessory Drive Belt System Components
    • Accessory Drive Belt
    • Accessory Drive Belt Idler Pulley
    • Accessory Drive Belt Tensioner Assembly
    • Accessory Drive Belt Tensioner Kit
    • Accessory Drive Belt Tensioner Pulley
    • Serpentine Belt
    • Serpentine Belt Drive Component Kit
  • + Cooling Fan, Clutch and Motor
    • Engine Cooling Fan
    • Engine Cooling Fan Assembly
    • Engine Cooling Fan Controller
  • + Electrical Connectors
    • Engine Coolant Temperature Sensor Connector
  • + Gaskets and Sealing Systems
    • Engine Coolant Crossover Pipe Mounting Set
    • Engine Coolant Outlet Gasket
    • Engine Coolant Pipe O-Ring
    • Engine Coolant Temperature Sensor O-Ring
    • Engine Coolant Thermostat Gasket
    • Engine Coolant Thermostat Housing Gasket
    • Engine Coolant Thermostat Housing Seal
    • Engine Coolant Thermostat Seal
    • Engine Coolant Water Bypass Gasket Set
    • Engine Water Pump Gasket
  • + Hardware, Fasteners and Fittings
    • Engine Coolant Reservoir Cap
  • + Hoses and Pipes
    • Automatic Transmission Oil Cooler Hose
    • Automatic Transmission Oil Cooler Hose Assembly
    • Engine Oil Cooler Hose Assembly
    • Radiator Coolant Hose
  • + Radiators, Coolers and Related Components
    • Automatic Transmission Oil Cooler
    • Automatic Transmission Oil Cooler Mounting Kit
    • Engine Oil Cooler
    • Engine Oil Cooler Mounting Kit
    • Radiator
    • Radiator Cap
    • Radiator Outlet Tank
  • + Sensors
    • Engine Coolant Temperature Sensor
  • + Thermostat and Housing
    • Engine Coolant Thermostat
    • Engine Coolant Thermostat Housing
    • Engine Coolant Thermostat Housing Assembly
    • Engine Coolant Water Outlet
  • + Water Pump and Related Components
    • Engine Water Pump
• + Body
  • + Bumper
    • Bumper Cover
  • + Doors
    • Door Lock Actuator Motor
    • Liftgate Lift Support
  • + Fenders
    • Fender
    • Fender Liner
  • + Floor
    • Brake Pedal Pad
    • Brake Pedal Stop Pad
  • + Hardware, Fasteners and Fittings
    • Bumper Cover Retainer
    • Bumper Cover Trim Panel Retainer
    • Engine Splash Shield Hardware
    • Fender Liner Retainer
    • Grille Retainer
    • Hood Insulation Pad Clip
    • Splash Shield Retainer
  • + Hood
    • Hood Lift Support
    • Hood Panel Assembly
  • + Horns
    • Accessory Horn
    • Horn
  • + Mirrors
    • Door Mirror Drive Motor
    • Door Mirror Glass
  • + Roof
    • Sun Visor Light Bulb
  • + Sensors
    • Accelerator Pedal Sensor
    • Parking Aid Sensor
  • + Switches, Solenoids and Actuators
    • Door Lock Actuator
    • Tailgate Release Switch
  • + Tailgate and Midgate
    • Tailgate Lock
• + Brake
  • + Brake Hydraulics
    • Brake Hydraulic Hose Set
    • Brake Master Cylinder
    • Disc Brake Caliper
    • Disc Brake Caliper Piston
    • Disc Brake Caliper Set
  • + Bushings
    • Disc Brake Caliper Bushing
  • + Disc Pads and Brake Shoes
    • Disc Brake Pad Set
    • Parking Brake Shoe
    • Parking Brake Shoe Set
  • + Drums and Rotors
    • Disc Brake Rotor
    • Disc Brake Rotor Set
  • + Electrical Connectors
    • ABS Wheel Speed Sensor Connector
  • + Hardware, Fasteners and Fittings
    • Brake Bleeder Screw
    • Disc Brake Caliper Bolt
    • Disc Brake Caliper Bolt Kit
    • Disc Brake Caliper Bracket Mounting Bolt
    • Disc Brake Caliper Pin Kit
    • Disc Brake Low Frequency Noise Damper
    • Disc Brake Pad Shim
    • Disc Brake Rotor Set Screw
    • Power Brake Booster
  • + Hoses and Pipes
    • Brake Hydraulic Hose
  • + Sensors
    • ABS Wheel Speed Sensor
  • + Service Kits
    • Disc Brake Caliper Abutment Service Kit
    • Disc Brake Caliper Pin Boot Kit
    • Disc Brake Caliper Repair Kit
    • Disc Brake Hardware Kit
    • Disc Brake Kit
    • Disc Brake Upgrade Kit
    • Parking Brake Hardware Kit
• + Driveline and Axles
  • + Bearings
    • Drive Axle Shaft Bearing
  • + CV Boots and Related Components
    • CV Joint Boot Kit
  • + CV Components
    • CV Axle Assembly
    • CV Axle Shaft
    • CV Intermediate Shaft
  • + Drive Shaft
    • Drive Shaft
  • + Gaskets and Sealing Systems
    • CV Axle Shaft Seal
    • Drive Axle Shaft Seal
  • + Hardware, Fasteners and Fittings
    • Axle Nut
    • CV Joint Boot
    • Differential Drain Plug Seal
    • Spindle Nut
  • + Hubs and Related Components
    • Wheel Bearing and Hub Assembly
  • + Service Kits
    • CV Joint Kit
    • Wheel Bearing and Hub Assembly Repair Kit
• + Electrical, Charging and Starting
  • + Alternator / Generator and Related Components
    • Alternator
  • + Battery and Related Components
    • Vehicle Battery
  • + Bearings
    • Alternator Bearing
    • Generator Drive End Bearing
  • + Electrical Connectors
    • Starter Solenoid Connector
  • + Relays
    • Starter Cut-Off Relay
    • Starter Relay
  • + Starter and Related Components
    • Starter Motor
  • + Switches, Solenoids and Actuators
    • Starter Solenoid
• + Electrical, Lighting and Body
  • + Electrical Connectors
    • A/C Pressure Transducer Connector
    • Ambient Air Temperature Sensor Connector
    • Brake Light Switch Connector
    • Daytime Running Light Connector
    • Fog Light Connector
    • Headlight Connector
    • Headlight High Beam Light Connector
    • Manifold Absolute Pressure Sensor Connector
    • Neutral Safety Switch Connector
    • Oil Pressure Switch Connector
    • Oxygen Sensor Connector
    • Vehicle Speed Sensor Connector
  • + Electrical Sockets
    • Fog Light Socket
    • Headlight Socket
  • + Flasher Units, Fuses, and Circuit Breakers
    • Battery Fuse
  • + Lighting - Exterior
    • Back Up Light Bulb
    • Brake Light Bulb
    • Daytime Running Light Bulb
    • Fog Light Bulb
    • Fog Light Conversion Kit
    • Headlight Assembly
    • Headlight Bulb
    • Headlight Conversion Kit
    • High Intensity Discharge (HID) Headlight Igniter
    • High Intensity Discharge (HID) Lighting Ballast
    • License Plate Light Bulb
    • Parking Light Bulb
    • Side Marker Light Bulb
    • Tail Light Assembly
    • Tail Light Bulb
    • Turn Signal Light Bulb
  • + Lighting - Interior
    • Floor Console Compartment Light Bulb
    • Glove Box Light Bulb
    • Interior Door Light Bulb
    • Luggage Compartment Light Bulb
    • Stepwell Light Bulb
    • Trunk Light Bulb
  • + Relays
    • Accessory Power Relay
    • Drive By Wire Relay
    • Headlight Relay
    • Heated Seat Relay
  • + Sensors
    • Automatic Headlight Sensor
    • Headlight Level Sensor
    • Humidity Sensor
    • Transmission Range Sensor
    • Vehicle Speed Sensor
  • + Switches, Solenoids and Actuators
    • Brake Light Switch
    • Door Jamb Switch
    • Door Mirror Switch
    • Fog Light Switch
    • Hazard Warning Switch
    • Headlight Dimmer Switch
    • Headlight Switch
    • Instrument Panel Dimmer Switch
    • Neutral Safety Switch
    • Seat Heater Switch
    • Seat Lumbar Switch
    • Seat Switch
    • Turn Signal Switch
  • + Wire, Cable and Related Components
    • Fog / Driving Light Wiring Harness
    • Headlight Wiring Harness
• + Emission Control
  • + Crankcase Ventilation System
    • Engine Crankcase Breather Hose
    • PCV Valve
  • + EGR and Related Components
    • Exhaust Gas Recirculation (EGR) Tube
    • Exhaust Gas Recirculation (EGR) Valve
  • + Electrical Connectors
    • Canister Vent Solenoid Connector
    • Exhaust Gas Recirculation (EGR) Valve Connector
    • Fuel Vapor Pressure Sensor Connector
    • Ignition Knock (Detonation) Sensor Connector
    • Mass Air Flow Sensor Connector
    • Vapor Canister Purge Solenoid Connector
  • + Evaporative System
    • Vapor Canister Purge Valve
  • + Gaskets and Sealing Systems
    • Exhaust Gas Recirculation (EGR) Pipe Gasket
    • Exhaust Gas Recirculation (EGR) Tube Gasket
    • Exhaust Gas Recirculation (EGR) Valve Gasket
  • + Sensors
    • Air / Fuel Ratio Sensor
    • Ignition Knock (Detonation) Sensor
    • Manifold Absolute Pressure Sensor
    • Manifold Absolute Pressure Sensor O-Ring
    • Mass Air Flow Sensor
    • Oxygen Sensor
  • + Switches, Solenoids and Actuators
    • Vapor Canister Purge Solenoid
    • Vapor Canister Vent Solenoid
• + Engine
  • + Bearings
    • Engine Timing Idler Bearing
  • + Cylinder Block Components
    • Engine Cover
    • Engine Harmonic Balancer
    • Engine Mount
    • Engine Mount Kit
    • Engine Oil Dipstick
    • Engine Oil Filter Element Support
    • Engine Oil Pan
    • Engine Oil Pump
    • Engine Valve Cover
  • + Electrical Connectors
    • Engine Variable Valve Timing (VVT) Oil Pressure Switch Connector
    • Engine Variable Valve Timing (VVT) Solenoid Connector
  • + Filters
    • Engine Oil Filter
    • Engine Oil Filter Remote Mounting Kit
  • + Gaskets and Sealing Systems
    • Engine Camshaft Cap Seal
    • Engine Camshaft Gasket
    • Engine Camshaft Seal
    • Engine Camshaft Seal Kit
    • Engine Camshaft Sensor O-Ring
    • Engine Conversion Gasket Set
    • Engine Crankshaft Seal
    • Engine Crankshaft Seal Kit
    • Engine Cylinder Head Gasket
    • Engine Cylinder Head Gasket Set
    • Engine Intake Manifold Gasket
    • Engine Intake Manifold Gasket Set
    • Engine Intake to Exhaust Gasket
    • Engine Oil Drain Plug Gasket
    • Engine Oil Filter Adapter Gasket
    • Engine Oil Filter Adapter Seal
    • Engine Oil Pan Gasket
    • Engine Oil Pressure Switch Seal
    • Engine Oil Pump Gasket
    • Engine Oil Pump O-Ring
    • Engine Oil Pump Pickup Tube O-Ring
    • Engine Oil Pump Seal
    • Engine Seal Kit
    • Engine Timing Cover Dust Seal Set
    • Engine Timing Cover Gasket Set
    • Engine Timing Cover Seal
    • Engine Timing Cover Seal Kit
    • Engine Valve Cover Gasket
    • Engine Valve Cover Gasket Set
    • Engine Valve Stem Oil Seal
    • Engine Valve Stem Oil Seal Set
    • Engine Variable Valve Timing (VVT) Adjuster Seal
    • Engine Variable Valve Timing (VVT) Solenoid Filter Gasket
    • Engine Variable Valve Timing (VVT) Solenoid Gasket
  • + Hardware, Fasteners and Fittings
    • Engine Camshaft Repair Sleeve
    • Engine Connecting Rod Bolt
    • Engine Crankshaft Repair Sleeve
    • Engine Crankshaft Thrust Washer Set
    • Engine Cylinder Head Bolt Set
    • Engine Oil Drain Plug
    • Engine Oil Filler Cap
    • Engine Timing Belt Idler Pulley Bolt
    • Engine Timing Belt Tensioner Adjuster
    • Engine Valve Cover Grommet
    • Engine Valve Spring
  • + Sensors
    • Engine Oil Pressure Sensor
  • + Switches, Solenoids and Actuators
    • Engine Oil Pressure Switch
    • Engine Variable Valve Timing (VVT) Oil Pressure Switch
    • Engine Variable Valve Timing (VVT) Solenoid
  • + Valve Train Components
    • Engine Exhaust Valve
    • Engine Intake Valve
    • Engine Timing Belt
    • Engine Timing Belt Component Kit
    • Engine Timing Belt Idler
    • Engine Timing Belt Kit
    • Engine Timing Belt Kit with Water Pump
    • Engine Timing Belt Tensioner
    • Engine Timing Belt Tensioner Hydraulic Assembly
    • Engine Timing Belt Tensioner Pulley
    • Engine Timing Idler
    • Engine Valve Lock
    • Engine Variable Valve Timing (VVT) Oil Control Valve
    • Engine Variable Valve Timing (VVT) Oil Pressure Sensor
    • Engine Variable Valve Timing (VVT) Solenoid Filter
• + Entertainment and Telematics
  • + Telematics Systems and Components
    • Park Assist Camera
• + Exhaust
  • + Catalytic Converter
    • Catalytic Converter
    • Catalytic Converter with Integrated Exhaust Manifold
  • + Exhaust and Tail Pipes
    • Exhaust Pipe Kit
    • Exhaust Y Pipe
  • + Gaskets and Sealing Systems
    • Catalytic Converter Gasket
    • Exhaust Manifold Gasket
    • Exhaust Manifold Gasket Set
    • Exhaust Pipe Flange Gasket
    • Exhaust Pipe to Manifold Gasket
  • + Hardware, Fasteners and Fittings
    • Catalytic Converter Heat Shield Bolt Set
    • Exhaust Manifold Hardware Kit
• + HVAC
  • + A/C Accumulator / Receiver Drier
    • A/C Accumulator
    • A/C Receiver Drier
    • A/C Receiver Drier / Desiccant Element
    • A/C Receiver Drier / Desiccant Element Kit
    • A/C Receiver Drier Kit
  • + A/C Clutch and Compressor
    • A/C Compressor
    • A/C Compressor Kit
    • A/C Compressor Replacement Service Kit
    • A/C Compressor and Condenser Kit
  • + A/C Condenser and Evaporator
    • A/C Condenser
    • A/C Condenser Fan Assembly
    • A/C Evaporator Core
  • + A/C Flow Restrictors
    • A/C Expansion Valve
  • + Control Modules
    • HVAC Blower Motor Control Module
  • + Electrical Connectors
    • A/C Compressor Connector
    • HVAC Blower Motor Resistor Connector
    • HVAC Blower Motor Resistor Kit
    • HVAC Pressure Switch Connector
  • + Filters
    • Cabin Air Filter
  • + Gaskets and Sealing Systems
    • A/C System O-Ring and Gasket Kit
    • A/C System Seal Kit
  • + Hoses and Pipes
    • A/C Refrigerant Discharge Hose
    • A/C Refrigerant Suction Hose
    • A/C Suction Line Hose Assembly
    • A/C System Valve Core and Cap Kit
    • HVAC Heater Hose
  • + Motors, Core, Case and Related Components
    • HVAC Blower Motor
    • HVAC Blower Motor Kit
    • HVAC Blower Motor Resistor
    • HVAC Heater Core
  • + Relays
    • A/C Clutch Relay
    • HVAC Blower Motor Relay
  • + Sensors
    • Ambient Air Temperature Sensor
    • HVAC Heater Core Temperature Sensor
  • + Switches, Solenoids and Actuators
    • HVAC Blend Door Actuator
    • HVAC Pressure Switch
    • HVAC Pressure Transducer
    • HVAC Recirculation Door Actuator
  • + Wire, Cable and Related Components
    • HVAC Blower Motor Resistor Harness
• + Ignition
  • + Electrical Connectors
    • Engine Camshaft Position Sensor Connector
    • Engine Crankshaft Position Sensor Connector
    • Ignition Coil Connector
  • + Hardware, Fasteners and Fittings
    • Direct Ignition Coil Boot
  • + Ignition Coil
    • Direct Ignition Coil
    • Direct Ignition Coil Boot Kit
    • Ignition Coil
  • + Relays
    • Ignition Relay
  • + Secondary Ignition
    • Spark Plug
    • Spark Plug Tube Seal
    • Spark Plug Tube Seal Set
  • + Sensors
    • Engine Camshaft Position Sensor
    • Engine Crankshaft Position Sensor
    • Engine Crankshaft Position Sensor Seal
  • + Switches, Solenoids and Actuators
    • Ignition Switch
• + Oil, Fluids and Chemicals
  • + Cleaners and Removers
    • Brake Cleaner
  • + Functional Fluid, Lubricant, Grease (including Additives)
    • A/C System Flush
    • Automatic Transmission Fluid
    • Brake Fluid
    • Differential Oil
    • Engine Assembly Lubricant
    • Engine Coolant / Antifreeze
    • Engine Oil
    • Fuel Additive
    • Power Steering Fluid
    • Refrigerant Oil
    • Transfer Case Fluid
    • Transmission Fluid Additive
• + Steering
  • + Brackets, Flanges and Hangers
    • Power Steering Cooler Bracket
  • + Bushings
    • Rack and Pinion Mount Bushing
  • + Filters
    • Power Steering Filter
  • + Hardware, Fasteners and Fittings
    • Power Steering Return Line End Fitting
  • + Power Steering Hoses, Pumps, and Related Components
    • Power Steering Cooler
    • Power Steering Cooler Line
    • Power Steering Hose O-Ring
    • Power Steering Pressure Line Hose Assembly
    • Power Steering Pump
    • Power Steering Pump Pulley
    • Power Steering Return Line Hose Assembly
  • + Sensors
    • Power Steering Pressure Sensor
  • + Steering, Gear and Related Components
    • Rack and Pinion Assembly
    • Rack and Pinion Bellows
    • Rack and Pinion Bellows Kit
    • Steering Tie Rod End
    • Steering Tie Rod End Kit
  • + Switches, Solenoids and Actuators
    • Power Steering Pressure Switch
    • Power Steering Pressure Switch Seal
• + Suspension
  • + Alignment
    • Alignment Camber Kit
  • + Bushings
    • Suspension Control Arm Bushing
    • Suspension Stabilizer Bar Bushing
    • Suspension Trailing Arm Bushing
  • + Hardware, Fasteners and Fittings
    • Alignment Cam Bolt Kit
    • Alignment Toe Adjuster
  • + Sensors
    • Suspension Ride Height Sensor
  • + Shocks and Struts
    • Suspension Shock Absorber
    • Suspension Shock Absorber Conversion Kit
    • Suspension Shock Absorber Kit
    • Suspension Strut
    • Suspension Strut Assembly
    • Suspension Strut Assembly Kit
    • Suspension Strut Bellows
    • Suspension Strut Bumper and Bellows Kit
    • Suspension Strut Mount
    • Suspension Strut Mount Kit
    • Suspension Strut and Coil Spring Assembly
    • Suspension Strut and Shock Absorber Assembly Kit
  • + Suspension, Springs and Related Components
    • Active to Passive Suspension Conversion Kit
    • Lateral Arm
    • Lateral Arm and Ball Joint Assembly
    • Suspension Control Arm
    • Suspension Control Arm Bushing Kit
    • Suspension Control Arm and Ball Joint Assembly
    • Suspension Kit
    • Suspension Stabilizer Bar Bushing Kit
    • Suspension Stabilizer Bar Link
    • Suspension Stabilizer Bar Link Kit
    • Suspension Trailing Arm
• + Tire and Wheel
  • + Hardware, Fasteners and Fittings
    • Tire Pressure Monitoring System (TPMS) Valve Stem Cap
    • Wheel Lug Nut
    • Wheel Lug Stud
  • + Sensors
    • Tire Pressure Monitoring System (TPMS) Programmable Sensor
    • Tire Pressure Monitoring System (TPMS) Sensor
  • + Tire
    • Tire Pressure Monitoring System (TPMS) Valve Stem
  • + Tire Service
    • Tire Pressure Monitoring System (TPMS) Programmable Sensor Valve Kit
    • Tire Pressure Monitoring System (TPMS) Sensor Service Kit
• + Transfer Case
  • + Gaskets and Sealing Systems
    • Transfer Case Input Shaft Seal
    • Transfer Case Output Shaft Seal
• + Transmission
  • + Bearings
    • Automatic Transmission Countershaft Bearing
    • Automatic Transmission Differential Bearing
  • + Electrical Connectors
    • Automatic Transmission Oil Pressure Switch Connector
  • + Filters
    • Transmission Oil Filter
  • + Gaskets and Sealing Systems
    • Automatic Transmission Drain Plug Seal
    • Automatic Transmission Extension Housing Seal
    • Automatic Transmission Manual Shaft Seal
    • Automatic Transmission Oil Pump Seal
    • Automatic Transmission Output Shaft Seal
    • Automatic Transmission Pinion Seal
    • Automatic Transmission Shift Shaft Seal
    • Automatic Transmission Torque Converter Seal
    • Automatic Transmission Transfer Shaft Seal
  • + Hardware, Fasteners and Fittings
    • Automatic Transmission Extension Housing Repair Sleeve
    • Automatic Transmission Manual Shaft Repair Sleeve
    • Automatic Transmission Oil Pump Repair Sleeve
    • Automatic Transmission Output Shaft Repair Sleeve
    • Automatic Transmission Pinion Repair Sleeve
    • Transmission Drain Plug
  • + Manual Transmission Components
    • Manual Transmission Mount
  • + Sensors
    • Automatic Transmission Fluid Temperature Sensor
    • Automatic Transmission Output Shaft Speed Sensor
    • Automatic Transmission Speed Sensor
  • + Service Kits
    • Transmission Filter Kit
  • + Switches, Solenoids and Actuators
    • Automatic Transmission Control Solenoid
    • Automatic Transmission Oil Pressure Switch
    • Automatic Transmission Shift Solenoid
    • Shift Interlock Actuator
  • + Transmission Hard Parts
    • Automatic Transmission Mount
• + Vehicles, Equipment, Tools, and Supplies
  • + A/C Service
    • A/C System Repair Kit
  • + Brake System Service
    • Brake Hydraulic System Pressure Bleeder
    • Brake Hydraulic System Pressure Bleeder Adapter Kit
  • + Engine Service
    • Engine Coolant System Pressure Tester
  • + Fuel System Service
    • Fuel Tank Cleaning Wand
  • + Hardware, Fasteners and Fittings
    • Cooling System Adapter
    • Engine Cooling System Pressure Tester Adapter
    • Radiator Cap Adapter
    • Radiator Cap Tester Adapter
  • + Power, Air, and Hand Tools and Accessories
    • Ball Joint Press
• + Wiper and Washer
  • + Electrical Connectors
    • Washer Fluid Level Sensor Connector
    • Windshield Washer Pump Connector
  • + Relays
    • Window Defroster Relay
  • + Windshield Washer and Related Components
    • Washer Fluid Reservoir
    • Windshield Washer Pump
  • + Windshield Wiper Arm, Blade, and Related Components
    • Windshield Wiper Blade
    • Windshield Wiper Blade Refill
    • Windshield Wiper Blade Refill Set
    • Windshield Wiper Blade Set
  • + Windshield Wiper and Washer Sensors
    • Washer Fluid Level Sensor