OEM parts categories for 2021 Mazda 3: A/C & Heater Control Units (A/C & Heater Control Units) | A/C Condenser, Compressor & Lines (A/C Condenser, Compressor & Lines) | Air Bag Components (Air Bag Components) | Air Conditioner (Air Conditioner) | Air Intake (Air Intake) | Alternator (Alternator) | Antenna & Radio (Antenna & Radio) | Anti-Lock Brakes (Anti-Lock Brakes) | Anti-Theft Components (Anti-Theft Components) | Aperture Panel (Aperture Panel) | Automatic Temperature Controls (Automatic Temperature Controls) | Automatic Transmission (Automatic Transmission) | Axle & Differential - Rear (Axle & Differential - Rear) | Axle Shaft - Rear (Axle Shaft - Rear) | Axle Shafts & Joints, Differential, Drive Axles (Axle Shafts & Joints, Differential, Drive Axles) | Backup Lamps (Backup Lamps) | Battery (Battery) | Belts & Pulleys (Belts & Pulleys) | Bulbs (Bulbs) | Bumper & Components - Front (Bumper & Components - Front) | Bumper & Components - Rear (Bumper & Components - Rear) | Case & Related Parts (Case & Related Parts) | Center Console (Center Console) | Center Pillar & Rocker (Center Pillar & Rocker) | Cluster & Switches, Instrument Panel (Cluster & Switches, Instrument Panel) | Clutch & Flywheel (Clutch & Flywheel) | Communication System Components (Communication System Components) | Controls - Instruments & Gauges (Controls - Instruments & Gauges) | Cooling System, Radiator, Water Pump, Cooling Fan (Cooling System, Radiator, Water Pump, Cooling Fan) | Cowl (Cowl) | Cruise Control (Cruise Control) | Dash Panel Components (Dash Panel Components) | Door & Components (Door & Components) | Drive Axles - Front (Drive Axles - Front) | Drive Shaft - Rear (Drive Shaft - Rear) | Driver Seat Components (Driver Seat Components) | Ducts (Ducts) | Electrical Components - Front Bumper (Electrical Components - Front Bumper) | Electrical Components - Rear Bumper (Electrical Components - Rear Bumper) | Emission Components (Emission Components) | Engine & Trans Mounting (Engine & Trans Mounting) | Engine Appearance Cover (Engine Appearance Cover) | Engine Parts, Mounts, Cylinder Head & Valves, Camshaft & Timing, Variable Valve Timing, Oil Pan, Oil Pump, Balance Shafts, Crankshaft & Bearings, Pistons, Rings & Bearings (Engine Parts, Mounts, Cylinder Head & Valves, Camshaft & Timing, Variable Valve Timing, Oil Pan, Oil Pump, Balance Shafts, Crankshaft & Bearings, Pistons, Rings & Bearings) | Exhaust Components (Exhaust Components) | Exhaust Manifold (Exhaust Manifold) | Exterior Trim - Front Door (Exterior Trim - Front Door) | Exterior Trim - Lift Gate (Exterior Trim - Lift Gate) | Exterior Trim - Pillars (Exterior Trim - Pillars) | Exterior Trim - Rear Door (Exterior Trim - Rear Door) | Exterior Trim - Roof (Exterior Trim - Roof) | Exterior Trim - Trunk (Exterior Trim - Trunk) | Fender & Components (Fender & Components) | Filters (Filters) | Floor & Rails (Floor & Rails) | Front Door (Front Door) | Front Door Glass & Hardware (Front Door Glass & Hardware) | Front Suspension Components, Lower Control Arm, Stabilizer Bar (Front Suspension Components, Lower Control Arm, Stabilizer Bar) | Fuel Door (Fuel Door) | Fuel Injection (Fuel Injection) | Fuel Supply (Fuel Supply) | Fuse & Relay (Fuse & Relay) | Gate & Hardware (Gate & Hardware) | Glass - Lift Gate (Glass - Lift Gate) | Glass, Reveal Moldings (Glass, Reveal Moldings) | Glove Box (Glove Box) | Grille & Components (Grille & Components) | Headlamp Components (Headlamp Components) | Headlamps (Headlamps) | Heat & Sound Insulators (Heat & Sound Insulators) | Heater Core & Control Valve (Heater Core & Control Valve) | High Mount Lamps (High Mount Lamps) | Hinge Pillar (Hinge Pillar) | Hood & Components (Hood & Components) | Hydraulic System (Hydraulic System) | Ignition System (Ignition System) | Information Labels (Information Labels) | Inner Structure - Quarter Panel (Inner Structure - Quarter Panel) | Intake Manifold (Intake Manifold) | Intercooler (Intercooler) | Interior Trim - Lift Gate (Interior Trim - Lift Gate) | Interior Trim - Pillars (Interior Trim - Pillars) | Interior Trim - Quarter Panels (Interior Trim - Quarter Panels) | Interior Trim - Rear Body (Interior Trim - Rear Body) | Interior Trim - Roof (Interior Trim - Roof) | Interior Trim - Trunk (Interior Trim - Trunk) | Jack & Components (Jack & Components) | Keyless Entry Components (Keyless Entry Components) | License Lamps (License Lamps) | Manual Transmission (Manual Transmission) | Mirrors (Mirrors) | Navigation System (Navigation System) | Outside Mirrors (Outside Mirrors) | Overhead Console (Overhead Console) | Parking Aid (Parking Aid) | Passenger Seat Components (Passenger Seat Components) | Power Seats (Power Seats) | Powertrain Control (Powertrain Control) | Radiator & Components (Radiator & Components) | Rear Axle, Axle Shafts & Joints, Differential, Drive Axles, Propeller Shaft (Rear Axle, Axle Shafts & Joints, Differential, Drive Axles, Propeller Shaft) | Rear Axle, Suspension Components (Rear Axle, Suspension Components) | Rear Body (Rear Body) | Rear Floor & Rails (Rear Floor & Rails) | Rear Seat Components (Rear Seat Components) | Rear Spoiler (Rear Spoiler) | Rear Suspension (Rear Suspension) | Roof & Components (Roof & Components) | Seat Belt (Seat Belt) | Senders (Senders) | Sound System (Sound System) | Splash Shields (Splash Shields) | Stabilizer Bar & Components - Front (Stabilizer Bar & Components - Front) | Starter (Starter) | Steering Column & Wheel, Steering Gear & Linkage (Steering Column & Wheel, Steering Gear & Linkage) | Structural Components & Rails (Structural Components & Rails) | Sunroof (Sunroof) | Suspension Mounting - Front (Suspension Mounting - Front) | Switches (Switches) | Tail Lamps (Tail Lamps) | Throttle Body (Throttle Body) | Tire Pressure Monitoring (Tire Pressure Monitoring) | Trans Oil Cooler (Trans Oil Cooler) | Transfer Case (Transfer Case) | Trunk (Trunk) | Turbocharger (Turbocharger) | Turbocharger & Components (Turbocharger & Components) | Under Cover & Splash Shields (Under Cover & Splash Shields) | Valve & Timing Covers (Valve & Timing Covers) | Valve Body (Valve Body) | Water Pump (Water Pump) | Wheels (Wheels) | Wiper & Washer Components (Wiper & Washer Components) | Wiring Harness (Wiring Harness)