OEM parts categories for 2021 Chevrolet Trailblazer AWD: Body Moldings, Sheet Metal, Rear Compartment Hardware, Roof Hardware (Decals/Body, Insulators/Body, Liftgate Hardware, Luggage Carrier, Luggage Carrier/Cross Rails, Moldings/Body, Moldings/Body-Above Belt, Moldings/Body-Below Belt, Nameplates, Ornamentation/Body, Plugs/Body, Sheet Metal/Body-Side Frame, Sheet Metal/Front Compartment, Sheet Metal/Roof, Sheet Metal/Side Door-Front & Rear, Sheet Metal/Underbody & Rear End, Spoiler/Rear Compartment Lid, Sunroof, Sunroof Drainage, Valve/Body Pressure Relief, Wheelhouse Liner/Rear, Wiper System/Rear Window) | Body Mounting, Air Conditioning, Audio/Entertainment (A/C & Heater Module Assembly, A/C & Heater Module Assembly Mounting, A/C Compressor Assembly, A/C Compressor Mounting, A/C Refrigeration System, Air Distribution System, Antenna/Audio, Antenna/Auxillary Wireless Communication, Antenna/Digital Audio, Audio System/Noise Cancellation, Audio System/Speakers, Cable, Camera System/Rear View, Communication System, Radio Mounting, Sensor/Temperature Ambient) | Body Wiring, Roof Trim (Wiring Harness/Body, Wiring Harness/Body-Fuse Block Detail) | Brakes (Brake Booster & Master Cylinder Mounting, Brake Caliper/Front, Brake Caliper/Rear, Brake Electrical System, Brake Lines/Front, Brake Lines/Rear, Brake Pedal, Parking Brake System) | Brakes, Rear Axle, Propeller Shaft, Wheels, Tires (Axle Shaft/Rear, Prop Shaft And Mounting, Rear Differential Carrier, Rear Differential Carrier Mounting, Tire, Tire Pressure Sensor, Wheel Caps - Center Cap, Wheels) | Cooling System, Grille, Oil System (Air Deflector/Underbody, Cover/Radiator, Drive Belt Cover, Engine Coolant Fan, Engine Coolant Heater, Engine Oil Cooler And Lines, Grille/Radiator, Grille/Radiator-Emblem, Hoses & Pipes/Radiator, Pulleys & Belts/Accessory Drive, Radiator Assembly, Radiator Mounting & Related Parts) | Engine (Engine & Transmission Mounting, Engine Assembly & Partial Engine, Engine Assembly-Camshaft Cover & Coil, Engine Assembly-Cooling & Related Parts, Engine Assembly-Cylinder Block & Internal Parts, Engine Assembly-Cylinder Head & Related Parts, Engine Assembly-Exhaust Manifold & Related Parts, Engine Assembly-Front Cover & Timing, Engine Assembly-Intake Manifold & Fuel Related Parts, Engine Assembly-Oil Pump, Pan & Related Parts, Engine Assembly-PCV Valve & Emission Related Parts, Engine To Transmission Mounting, Intake Manifold Shield/Covers) | Frames, Springs, Shocks, Bumpers, Fascias (Absorber/Rear Shock, Bruch Guard/Front, Bumper/Front Fascia, Bumper/Front Structure, Bumper/Rear, Frame & Mounting, License Plate Mounting/Front, Suspension/Rear, Trailer Hitch Cover) | Front End Sheet Metal, Heater (Accessory Kit/Safety, Fender & Wheelhouse/Front End, Fluid And Lubricant Recommendations, Guard/Mud-Front & Rear, Hood, Hoses & Pipes/Heater, Labels, Paint/Touch-Up, Sight Shield/Front Compartment, Spare Wheel Stowage & Jack Parts, Vehicle Maintenance) | Front Suspension, Steering (Drive Shaft/Front Wheel LH Side, Drive Shaft/Front Wheel RH Side, Steering Column/Switches & Covers, Steering Gear Assembly, Steering System & Related Parts, Steering Wheel, Strut Assembly/Front, Suspension/Front) | Fuel System, Exhaust, Emission System (Accelerator Control, Air Intake System, E.C.M. Module & Related Parts, Exhaust System/Front, Exhaust System/Rear, Fuel Control Module, Fuel Injector Rail, Fuel Supply System, Fuel Tank & Vapor Canister, Fuel Tank Filler Pipes & Hoses, Fuel Tank Mounting, Heat Shields/Exhaust, Turbocharger And Mounting, Turbocharger Assembly, Turbocharger Cooling System, Turbocharger Intercooler System, Turbocharger Lubrication System, Turbocharger Mounting & Lubrication System, Turbocharger Wastegate System) | Interior Trim, Front Seat Trim, Seat Belts (Front Seat Mounting, Head Restraint/Front Seat, Inflatable Restraint System/Driver & Passenger, Inflatable Restraint System/Roof Side, Roof Headliner, Seat Assembly/Left Hand Front-Back, Seat Assembly/Left Hand Front-Cushion, Seat Assembly/Right Hand Front-Back, Seat Assembly/Right Hand Front-Cushion, Seat Belts-Rear, Seat Belts/Front, Trim/Center Pillar, Trim/Door Sill Plates, Trim/Front, Trim/Front Door-Driver, Trim/Front Door-Passenger, Trim/Liftgate, Trim/Rear Door) | Power Transfer Unit (Power Transfer Unit, Power Transfer Unit Mounting) | Rear Seat Trim, Carpet (Cargo Net, Carpet/Floor, Compartment Trim/Rear, Compartment/Rear Storage-Hard Shell, Rear Seat Mounting, Seat Assembly/Rear-Back Side, Tray/Rear Compartment, Trim/Quarter) | Starter, Generator, Ignition, Electrical, Lamps (Battery Cables, Battery Mounting, Generator Mounting, Horn, Key & Lock Cylinders, Lamps/Front, Lamps/Rear, Module/Body Control, Module/Multifunction Power Converter, Module/Serial Data Gateway, Relays & Block/Engine Compartment, Sensor System/Forward Collision, Sensor System/Rear Object, Sensor System/Side Collision, Starter Motor And Mounting, Wiring Harness Connectors, Wiring Harness Terminated Leads, Wiring Harness/Chassis, Wiring Harness/Engine, Wiring Harness/Instrument Panel, Wiring Harness/Lift Gate) | Transmission - Automatic (Automatic Transmission 1-Reverse And 1-2-3-4-5-6 Clutch Piston Housing Assembly, Automatic Transmission 2-9 And 3-8 Clutch Plate Assemblies, Automatic Transmission 2-9 And 4Th Clutch Hub Assembly, Automatic Transmission 2-9 And 4Th Clutch Piston Housing Assembly, Automatic Transmission 5-7-Reverse And 6-7-8-9 Clutch Housing Assembly, Automatic Transmission Assembly, Automatic Transmission Case & Associated Parts, Automatic Transmission Control Valve Body Assembly, Automatic Transmission Control Valve Solenoid Body Assembly, Automatic Transmission Drive Link, Automatic Transmission Fluid Pump Assembly, Automatic Transmission Forward Clutch Assembly, Automatic Transmission Front Differential Carrier Assembly, Automatic Transmission Front Differential Drive Pinion Gear Assembly, Automatic Transmission Oil Cooler Pipes, Automatic Transmission Oil Pump, Automatic Transmission Output Carrier Transfer Drive Gear Hub Assembly, Automatic Transmission Park System Components, Automatic Transmission Reverse Clutch, Automatic Transmission Torque Converter And Differential Housing Assembly, Shift Control/Automatic Transmission, T.C.M. Module, Transmission Vent Hose) | Windshield, Wiper, Mirrors, Instrument Panel, Console, Doors (Door Hardware/Front, Door Hardware/Front-Driver Side Handle, Door Hardware/Front-Passenger Handle, Door Hardware/Front-Passenger Side Handle, Door Hardware/Rear, Door Hardware/Rear-Handle, Door Hardware/Rear-Rear Passenger Handle, Entry System/Keyless Remote, Entry System/Keyless Remote-Bluetooth Transceiver, Floor Console Mounting, Floor Console Upper, Floor Console-Lower, Instrument Panel Passenger Details, Instrument Panel-Driver Details, Instrument Panel/Center Stack, Instrument Panel/Structure, Mirror/Inside Rear View, Mirror/Outside Rear View, Roof Console, Windshield Trim & Hardware, Wiper System/Windshield)