PartType & Accessories Categories
for your Mazda 2008 5

• + Air and Fuel Delivery
  • + Electrical Connectors
    • Electronic Throttle Body Actuator Connector
    • Fuel Injector Connector
    • Throttle Position Sensor Connector
  • + Filters
    • Engine Air Filter
    • Fuel Filter
    • Fuel Pump Strainer
  • + Fuel Injection System and Related Components
    • Electronic Throttle Body Module
    • Engine Cold Air Intake Performance Kit
    • Engine Intake Manifold Runner Control Valve
    • Fuel Injection Pressure Regulator
    • Fuel Injection Throttle Body
    • Fuel Injection Throttle Body Assembly
    • Fuel Injector
  • + Fuel Pumps and Related Components
    • Electric Fuel Pump
    • Fuel Pump Module Assembly
  • + Fuel Storage
    • Fuel Tank
    • Fuel Tank Strap
  • + Gaskets and Sealing Systems
    • Fuel Injection Throttle Body Mounting Gasket
    • Fuel Pump Tank Seal
  • + Hardware, Fasteners and Fittings
    • Engine Air Box Clip
    • Fuel Tank Cap
  • + Relays
    • Throttle Control Relay
  • + Sensors
    • Fuel Injection Manifold Pressure Sensor
    • Fuel Tank Pressure Sensor
  • + Service Kits
    • Fuel Injection Nozzle O-Ring Kit
    • Fuel Injector O-Ring Kit
    • Fuel Injector Seal Kit
    • Fuel Tank Cleaning Kit
  • + Switches, Solenoids and Actuators
    • Engine Intake Manifold Actuator
    • Engine Intake Manifold Runner Solenoid
• + Belts and Cooling
  • + Accessory Drive Belt System Components
    • Accessory Drive Belt
    • Accessory Drive Belt Tensioner
    • Accessory Drive Belt Tensioner Assembly
    • Accessory Drive Belt Tensioner Pulley
    • Serpentine Belt
    • Serpentine Belt Drive Component Kit
  • + Brackets, Flanges and Hangers
    • Engine Coolant Outlet Flange
    • Radiator Coolant Hose Flange
  • + Control Modules
    • Engine Cooling Control Module
    • Engine Cooling Fan Module
  • + 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 Outlet Gasket
    • Engine Coolant Outlet Seal
    • Engine Coolant Thermostat Gasket
    • Engine Coolant Thermostat Housing Gasket
    • Engine Coolant Thermostat Housing Seal
    • Engine Coolant Thermostat Seal
    • Engine Oil Cooler Gasket
    • Engine Water Pump Gasket
    • Engine Water Pump O-Ring
  • + Hardware, Fasteners and Fittings
    • Engine Coolant Reservoir Cap
  • + Hoses and Pipes
    • Automatic Transmission Oil Cooler Hose
    • Automatic Transmission Oil Cooler Hose Assembly
    • Automatic Transmission Oil Cooler Line Connector
    • Engine Coolant Bypass Hose
    • Radiator Coolant Hose
  • + Radiators, Coolers and Related Components
    • Automatic Transmission Oil Cooler
    • Automatic Transmission Oil Cooler Mounting Kit
    • Engine Oil Cooler
    • Radiator
    • Radiator Cap
    • Radiator Outlet Tank
    • Radiator Support
  • + Relays
    • Engine Cooling Fan Motor Relay
  • + Sensors
    • Engine Coolant Temperature Sensor
  • + Thermostat and Housing
    • Engine Coolant Thermostat
    • Engine Coolant Thermostat / Water Outlet Assembly
    • 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
    • Bumper Cover Reinforcement
    • Bumper Cover Support
    • Bumper Insert
    • Bumper Reflector
  • + Doors
    • Door Lock Actuator Motor
    • Exterior Door Handle
    • Liftgate Lift Support
    • Window Regulator
  • + Fenders
    • Fender
    • Fender Liner
  • + Frame
    • Transmission Mount
    • Undercar Shield
  • + Grille
    • Grille
    • Grille Molding
  • + Hardware, Fasteners and Fittings
    • Bumper Cover Retainer
    • Door Interior Trim Panel Retainer
    • Molding Retainer
    • Rocker Panel Clip
    • Rocker Panel Molding Retainer
    • Splash Shield Retainer
    • Weatherstrip Fastener
  • + Hood
    • Hood Hinge Kit
    • Hood Latch
    • Hood Panel Assembly
  • + Horns
    • Accessory Horn
    • Horn
  • + Mirrors
    • Door Mirror
    • Door Mirror Glass
  • + Sensors
    • Accelerator Pedal Sensor
  • + Tailgate and Midgate
    • Tailgate Lift Support
  • + Trunk Lid and Compartment
    • Deck Lid
• + Brake
  • + Body Wiring Harness and Components
    • ABS Wheel Speed Sensor Wiring Harness
  • + 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
  • + Drums and Rotors
    • Disc Brake Rotor
    • Disc Brake Rotor Set
  • + Electrical Connectors
    • ABS Wheel Speed Sensor Connector
  • + Hardware, Fasteners and Fittings
    • Brake Bleeder Screw
    • Brake Hydraulic Hose Lock Clip
    • Disc Brake Caliper Bolt
    • Disc Brake Caliper Bolt Kit
    • Disc Brake Caliper Bracket Mounting Bolt
    • Disc Brake Caliper Pin Kit
    • Disc Brake Caliper Piston Kit
    • Parking Brake Cable
    • Power Brake Booster
  • + Hoses and Pipes
    • Brake Hydraulic Hose
  • + Sensors
    • ABS Wheel Speed Sensor
  • + Service Kits
    • Disc Brake Caliper Pin Boot Kit
    • Disc Brake Caliper Repair Kit
    • Disc Brake Caliper Seal Kit
    • Disc Brake Hardware Kit
    • Disc Brake Kit
    • Disc Brake Upgrade Kit
  • + Switches, Solenoids and Actuators
    • Parking Brake Switch
• + Driveline and Axles
  • + CV Boots and Related Components
    • CV Joint Boot Kit
  • + CV Components
    • CV Axle Assembly
    • CV Axle Shaft
  • + Hardware, Fasteners and Fittings
    • Axle Nut
    • CV Joint Boot
    • Spindle Nut
    • Wheel Bearing Retaining Ring
  • + Hubs and Related Components
    • Axle Bearing and Hub Assembly
    • Wheel Bearing and Hub Assembly
    • Wheel Hub
  • + Service Kits
    • Wheel Bearing Kit
    • Wheel Bearing and Hub Assembly Repair Kit
    • Wheel Hub Repair Kit
  • + Wheel Bearings, Seals, and Related Components
    • Wheel Bearing
• + Electrical, Charging and Starting
  • + Alternator / Generator and Related Components
    • Alternator
    • Alternator Brush Set
    • Alternator Connector
  • + Battery and Related Components
    • Battery Terminal
    • Vehicle Battery
  • + Relays
    • Starter Relay
  • + Starter and Related Components
    • Starter Motor
  • + Voltage Regulator
    • Voltage Regulator
    • Voltage Regulator Connector
• + Electrical, Lighting and Body
  • + Anti-Theft System
    • Keyless Entry Transmitter
  • + Control Modules
    • Transmission Control Module
  • + Electrical Connectors
    • Ambient Air Temperature Sensor Connector
    • Brake Light Switch Connector
    • Exhaust Gas Recirculation (EGR) Valve Motor Connector
    • Fog Light Connector
    • Headlight Connector
    • Headlight High Beam Light Connector
    • Manifold Absolute Pressure Sensor Connector
    • Oil Pressure Switch Connector
  • + Electrical Sockets
    • Headlight Socket
  • + Glass, Windows and Related Components
    • Window Motor
    • Window Motor Gear
    • Window Motor and Regulator Assembly
  • + Hardware, Fasteners and Fittings
    • Headlight Retainer
  • + Lighting - Exterior
    • Back Up Light Bulb
    • Brake Light Bulb
    • Center High Mount Stop Light
    • Fog Light Assembly
    • Fog Light Bulb
    • Fog Light Conversion Kit
    • Headlight Bulb
    • Headlight Conversion Kit
    • Headlight Lens Housing
    • High Intensity Discharge (HID) Lighting Ballast
    • License Plate Light Bulb
    • Parking Light Bulb
    • Reflector Assembly
    • Side Marker Light Bulb
    • Side Repeater Light
    • Side Repeater Light Assembly
    • Tail Light Assembly
    • Tail Light Bulb
    • Tail Light Housing
    • Turn Signal Light Bulb
  • + Lighting - Interior
    • Dome Light Bulb
    • Glove Box Light Bulb
    • Luggage Compartment Light Bulb
    • Map Light Bulb
    • Trunk Light Bulb
    • Trunk or Cargo Area Light
  • + Mobile Multi-Media
    • Antenna Mast
  • + Relays
    • Circuit Opening Relay
    • Fog Light Relay
    • Headlight Relay
    • Horn Relay
    • Main Relay
  • + Sensors
    • Transmission Range Sensor
    • Vehicle Speed Sensor
  • + Switches, Solenoids and Actuators
    • Back Up Light Switch
    • Brake Light Switch
    • Clutch Pedal Position Switch
    • Clutch Starter Safety Switch
    • Combination Switch
    • Dimmer Switch
    • Door Jamb Switch
    • Door Window Switch
    • Fog Light Switch
    • Headlight Dimmer Switch
    • Headlight Switch
    • Neutral Safety Switch
    • Turn Signal Switch
  • + Wire, Cable and Related Components
    • Fog / Driving Light Wiring Harness
    • Headlight Wiring Harness
    • Speedometer Impulse Sender
• + Emission Control
  • + Crankcase Ventilation System
    • Engine Crankcase Breather Hose
    • PCV Valve
    • PCV Valve Tubing
  • + EGR and Related Components
    • Exhaust Gas Recirculation (EGR) Valve
  • + Electrical Connectors
    • Exhaust Gas Recirculation (EGR) Valve Connector
    • Ignition Knock (Detonation) Sensor Connector
    • Mass Air Flow Sensor Connector
    • Vapor Canister Purge Solenoid Connector
    • Vapor Canister Purge Valve Connector
  • + Evaporative System
    • Evaporative Emissions System Leak Detection Pump
    • Vapor Canister
    • Vapor Canister Purge Valve
  • + Filters
    • Vapor Canister Filter
  • + Gaskets and Sealing Systems
    • Engine Crankcase Breather Gasket
    • Engine Crankcase Vent Valve Seal
    • Exhaust Gas Recirculation (EGR) Tube Gasket
    • Exhaust Gas Recirculation (EGR) Valve Gasket
    • Exhaust Gas Recirculation (EGR) Valve Seal
  • + Sensors
    • Air / Fuel Ratio Sensor
    • Ignition Knock (Detonation) Sensor
    • Manifold Absolute Pressure Sensor
    • Mass Air Flow Sensor
    • Oxygen Sensor
    • Throttle Position Sensor
  • + Switches, Solenoids and Actuators
    • Vapor Canister Purge Solenoid
• + Engine
  • + Bushings
    • Engine Mount Bushing
  • + Cylinder Block Components
    • Engine Connecting Rod Bearing Pair
    • Engine Connecting Rod Bearing Set
    • Engine Cover
    • Engine Crankshaft Main Bearing Set
    • Engine Harmonic Balancer
    • Engine Mount
    • Engine Mount Kit
    • Engine Oil Filter Cover
    • Engine Oil Pan
    • Engine Oil Pump
    • Engine Oil Pump Chain
    • Engine Oil Pump Chain Guide
    • Engine Oil Pump Sprocket
    • Engine Oil Separator
    • Engine Torque Strut Mount
  • + Electrical Connectors
    • Engine Variable Valve Timing (VVT) Solenoid Connector
  • + Filters
    • Engine Oil Filter
    • Engine Oil Filter Element
  • + Gaskets and Sealing Systems
    • 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 Oil Drain Plug Gasket
    • Engine Oil Filter Adapter Gasket
    • Engine Oil Filter Gasket
    • Engine Oil Pan Gasket
    • Engine Oil Pump Gasket
    • Engine Oil Pump Seal
    • Engine Timing Cover Gasket Set
    • Engine Timing Cover Seal
    • Engine Valve Cover Gasket
    • Engine Valve Cover Gasket Set
    • Engine Valve Stem Oil Seal
    • Engine Valve Stem Oil Seal Set
  • + Hardware, Fasteners and Fittings
    • Engine Crankshaft Repair Sleeve
    • Engine Cylinder Head Bolt Set
    • Engine Oil Drain Plug
    • Engine Oil Filler Cap
    • Engine Oil Filter Cap
    • Engine Oil Filter Housing Cap
    • Engine Valve Spring
  • + Switches, Solenoids and Actuators
    • Engine Oil Pressure Switch
    • Engine Variable Valve Timing (VVT) Solenoid
  • + Valve Train Components
    • Engine Exhaust Valve
    • Engine Intake Valve
    • Engine Timing Camshaft Sprocket
    • Engine Timing Chain
    • Engine Timing Chain Guide
    • Engine Timing Chain Kit
    • Engine Timing Chain Tensioner
    • Engine Timing Chain Tensioner Guide
    • Engine Timing Crankshaft Sprocket
    • Engine Timing Set
    • Engine Valve Lock
• + Exhaust
  • + Brackets, Flanges and Hangers
    • Exhaust System Hanger
    • Exhaust System Hanger Insulator
  • + Catalytic Converter
    • Catalytic Converter
    • Catalytic Converter with Integrated Exhaust Manifold
  • + Exhaust and Tail Pipes
    • Exhaust System Kit
  • + Gaskets and Sealing Systems
    • Catalytic Converter Gasket
    • Exhaust Manifold Gasket
    • Exhaust Manifold Gasket Set
    • Exhaust Pipe Flange Gasket
  • + Hardware, Fasteners and Fittings
    • Exhaust Clamp
  • + Mufflers
    • Exhaust Muffler Assembly
    • Exhaust Resonator and Pipe Assembly
• + HVAC
  • + A/C Accumulator / Receiver Drier
    • A/C Accumulator
    • A/C Receiver Drier
    • 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 Trinary Switch
  • + A/C Condenser and Evaporator
    • A/C Condenser
    • A/C Condenser and Receiver Drier Assembly
    • A/C Evaporator Core
  • + A/C Flow Restrictors
    • A/C Expansion Valve
  • + Electrical Connectors
    • A/C Clutch Cycle Switch Connector
    • A/C Compressor Connector
    • HVAC Blower Motor Resistor Kit
  • + Filters
    • Cabin Air Filter
    • Cabin Air Filter Set
  • + Gaskets and Sealing Systems
    • A/C System O-Ring and Gasket Kit
    • A/C System Seal Kit
  • + Hoses and Pipes
    • A/C Hose Assembly
    • A/C Refrigerant Discharge Hose
    • A/C Refrigerant Liquid 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 Assembly
    • HVAC Blower Motor Resistor
    • HVAC Heater Assembly
    • HVAC Heater Core
  • + Relays
    • A/C Compressor Control Relay
    • HVAC Blower Motor Relay
    • HVAC System Relay
  • + Sensors
    • Ambient Air Temperature Sensor
  • + Switches, Solenoids and Actuators
    • HVAC Blower Motor Switch
    • HVAC Pressure Transducer
• + Ignition
  • + Electrical Connectors
    • Engine Camshaft Position Sensor Connector
    • Engine Crankshaft Position Sensor Connector
    • Ignition Coil Connector
  • + Hardware, Fasteners and Fittings
    • Coil Boot
    • Direct Ignition Coil Boot
  • + Ignition Coil
    • Coil Boot Kit
    • Direct Ignition Coil
    • Direct Ignition Coil Boot Kit
    • Ignition Coil
  • + Primary Ignition
    • Ignition Lock Cylinder
  • + Secondary Ignition
    • Spark Plug
  • + Sensors
    • Engine Camshaft Position Sensor
    • Engine Crankshaft Position Sensor
  • + 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
    • Engine Assembly Lubricant
    • Engine Coolant / Antifreeze
    • Engine Oil
    • Fuel Additive
    • Gear Oil
    • Power Steering Fluid
    • Refrigerant Oil
• + Steering
  • + Brackets, Flanges and Hangers
    • Power Steering Cooler Bracket
  • + Filters
    • Power Steering Filter
  • + Gaskets and Sealing Systems
    • Rack and Pinion Seal Kit
  • + 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 Pressure Line Hose Assembly
    • Power Steering Pump
    • Power Steering Reservoir
    • Power Steering Reservoir Hose
    • Power Steering Return Hose
    • Power Steering Return Line Hose Assembly
  • + Steering, Gear and Related Components
    • Rack and Pinion Assembly
    • Rack and Pinion Bellows
    • Rack and Pinion Bellows Kit
    • Steering Tie Rod
    • Steering Tie Rod Assembly
    • Steering Tie Rod End
    • Steering Tie Rod End Kit
• + Suspension
  • + Alignment
    • Alignment Camber / Toe Kit
    • Alignment Camber Kit
    • Alignment Camber Lateral Link
    • Alignment Toe Adjusting Kit
  • + Bearings
    • Suspension Strut Mount Bearing
  • + Bushings
    • Suspension Control Arm Bushing
    • Suspension Stabilizer Bar Bushing
    • Suspension Trailing Arm Bushing
  • + Hardware, Fasteners and Fittings
    • Alignment Toe Adjuster
  • + Shocks and Struts
    • Suspension Shock Absorber
    • Suspension Shock Absorber Assembly
    • Suspension Shock Absorber Assembly Kit
    • Suspension Shock Absorber Bellows
    • Suspension Shock Absorber Kit
    • Suspension Shock Absorber Mount
    • Suspension Shock Absorber Mounting Kit
    • Suspension Strut
    • Suspension Strut Assembly
    • Suspension Strut Assembly Kit
    • Suspension Strut Bellows
    • Suspension Strut Bumper
    • 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
    • Coil Spring
    • Coil Spring Set
    • Lateral Arm
    • Suspension Ball Joint
    • Suspension Control Arm
    • Suspension Control Arm Kit
    • Suspension Control Arm Repair Kit
    • Suspension Control Arm and Ball Joint Assembly
    • Suspension Kit
    • Suspension Stabilizer Bar
    • Suspension Stabilizer Bar Bushing Kit
    • Suspension Stabilizer Bar Link
    • Suspension Stabilizer Bar Link Kit
    • Suspension Stabilizer Bar Link Repair Kit
    • Suspension Subframe Mount
    • Suspension Trailing Arm
    • Suspension Trailing Arm Bushing Set
• + Tire and Wheel
  • + Hardware, Fasteners and Fittings
    • Wheel Cap
    • Wheel Lug Nut
    • Wheel Lug Stud
    • Wheel Nut
  • + Sensors
    • Tire Pressure Monitoring System (TPMS) Programmable Sensor
    • Tire Pressure Monitoring System (TPMS) Sensor
  • + Tire
    • Tire Pressure Monitoring System (TPMS) Valve Kit
    • 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
  • + Wheel
    • Wheel Lock Set
• + Transfer Case
  • + Bearings
    • Transfer Case Input Shaft Bearing
• + Transmission
  • + Bearings
    • Clutch Pilot Bearing
    • Clutch Release Bearing
    • Manual Transmission Differential Bearing
    • Manual Transmission Input Shaft Bearing
    • Manual Transmission Output Shaft Bearing
  • + Filters
    • Transmission Oil Filter
  • + Flywheel
    • Clutch Flywheel
  • + Gaskets and Sealing Systems
    • Automatic Transmission Oil Pump Seal
    • Automatic Transmission Output Shaft Seal
    • Automatic Transmission Torque Converter Seal
    • Manual Transmission Input Shaft Seal
    • Manual Transmission Manual Shaft Seal
    • Manual Transmission Output Shaft Seal
    • Manual Transmission Seal
    • Transmission Oil Pan Gasket
  • + Hardware, Fasteners and Fittings
    • Automatic Transmission Oil Pump Repair Sleeve
    • Automatic Transmission Output Shaft Repair Sleeve
    • Manual Transmission Input Shaft Repair Sleeve
    • Manual Transmission Output Shaft Repair Sleeve
    • Transmission Drain Plug
  • + Hoses and Pipes
    • Clutch Hydraulic Hose
  • + Manual Transmission Components
    • Clutch Master Cylinder
    • Clutch Slave Cylinder
    • Manual Transmission Mount
  • + Sensors
    • Automatic Transmission Input Shaft Speed Sensor
    • Automatic Transmission Oil Pressure Sensor
    • Automatic Transmission Speed Sensor
  • + Service Kits
    • Automatic Transmission Overhaul Kit
    • Transmission Filter Kit
  • + Switches, Solenoids and Actuators
    • Automatic Transmission Oil Pressure Switch
  • + Transmission Components
    • Transmission Clutch Kit
  • + Transmission Hard Parts
    • Automatic Transmission Mount
    • Transmission Oil Pan
• + Vehicles, Equipment, Tools, and Supplies
  • + A/C Service
    • A/C System Repair Kit
  • + Cooling System Service
    • Cooling System Flush Gun Kit
  • + Engine Service
    • Belt Installation Tool
    • 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
    • Fuel Cap Tester Adapter
    • Radiator Cap Adapter
    • Radiator Cap Tester Adapter
• + Wiper and Washer
  • + Back Glass Wiper Arm, Blade, and Related Components
    • Back Glass Wiper Blade
  • + Electrical Connectors
    • Windshield Washer Pump Connector
    • Windshield Wiper Motor Connector
  • + Sensors
    • Rain Sensor
  • + Switches, Solenoids and Actuators
    • Windshield Wiper Switch
  • + 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 Set
    • Windshield Wiper Blade Set
    • Windshield Wiper Linkage
  • + Windshield Wiper Motor
    • Windshield Wiper Motor
  • + Windshield Wiper and Washer Sensors
    • Washer Fluid Level Sensor