OEM parts categories for 2006 Gmc Envoy XL 4WD: Body Mounting, Air Conditioning, Audio/Entertainment (A/C & Heater Control Assembly, A/C & Heater Module Assembly, A/C & Heater Module Assembly Mounting, A/C Compressor Assembly, A/C Compressor Mounting, A/C Condenser, A/C Refrigeration System/Front, A/C Refrigeration System/Rear, Air Distribution System-Rear, Air Distribution System/Front, Antenna/Audio, Antenna/Digital Audio, Audio System/Speakers & Amplifier, Auxiliary A/C Evaporator & Blower & Heater Assembly, Body Mounting, Cable Kit-Communication, Cable Kit-Digital Radio & Mobile Telephone & Vehicle Locator, Cable Kit-Digital Radio & Vehicle Locator, Cluster Assembly/Instrument Panel, Communication System "Onstar", Entertainment System, Radio Assembly, Sensor/Temperature) | Brakes (Brake Booster, Brake Booster & Master Cylinder Mounting, Brake Caliper Mounting/Front & Knuckle, Brake Caliper/Front, Brake Caliper/Rear, Brake Control Module And Mounting, Brake Lines/Front, Brake Lines/Rear, Brake Master Cylinder, Brake Pedal Mounting, Parking Brake Assembly, Parking Brake System) | Brakes, Rear Axle, Propeller Shaft, Wheels, Tires (Axle Assembly/Rear, Differential/Limited Slip, Prop Shaft /Rear-With Dampener, Prop Shaft/Front Drive Axle, Prop Shaft/Rear-Without Dampener, Rear Axle Vent Hose, Spare Wheel, Tire, Wheels & Wheel Covers) | Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers (Console/Floor, Console/Roof, Container/Windshield Washer, Door Hardware/Side Front, Door Hardware/Side Rear, Door Trim/Side Front-Driver, Door Trim/Side Front-Passenger, Door Trim/Side Rear, Driver Seat/Bucket, Entry System/Keyless Remote, Floor Covering & Related Parts, Inflatable Restraint System, Inflatable Restraint System/Roof Side, Instrument Panel & Related Parts, Instrument Panel & Related Parts Structure, Insulators/Body, Lock Cylinder/Instrument Panel Compartment, Lock Cylinder/Side Door, Mirror/Outside Rear View, Passenger Seat/Bucket, Plugs/Body, Rear Seat, Rear Seat/Folding-Side, Seat Belts, Seat Belts-Rear, Seat Belts/Front, Sheet Metal/Body Rear, Sheet Metal/Body Side & Roof, Sheet Metal/Cowl & Engine Compartment, Sheet Metal/Underbody, Sunroof, Trim/Interior-Body Side Front-Left Hand, Trim/Interior-Body Side Front-Right Hand, Trim/Interior-Body Side Rear, Trim/Interior-Roof & Sunshade, Wheelhouse Liner/Rear, Windows-Body Side, Windshield & Related Parts, Wiper System/Rear Window, Wiper System/Windshield) | Cooling System, Grille, Oil System (Engine Block Heater, Engine Coolant Fan & Clutch, Grille/Radiator, Pulleys & Belts/Accessory Drive, Radiator & Related Parts, Radiator Assembly, Radiator Hoses, Radiator Mounting & Related Parts) | Engine (Engine & Transmission Mounting, Engine Assembly-Cooling Related, Front End Drive, Engine Assembly-Cylinder Block & Related Parts, Engine Assembly-Cylinder Head & Related Parts, Engine Assembly-Front Cover & Cooling, Engine Assembly-Manifolds & Fuel Related Parts, Engine Assembly-Oil Pump, Pan & Related Parts, Engine To Transmission Mounting, Shield/Engine Splash) | Frames, Springs, Shocks, Bumpers, Fascias (Bumper/Front, Bumper/Rear, Frame, Level Control System/Automatic, Spare Wheel Carrier, Stabilizer Shaft/Rear, Suspension Controls/Electronic-Yaw Sensor, Suspension/Rear, Vehicle Tie Down-Front) | Front Axle, Front Suspension, Steering (Differential Carrier/Front Axle, Drive Axle Mounting/Front, Drive Shaft/Front Wheel, Steering Column, Steering Gear Assembly, Steering Pump Assembly, Steering Pump Lines, Steering Pump Mounting, Steering System & Related Parts, Steering Wheel & Horn Parts, Suspension/Front, Vent Hose/Front Axle) | Front End Sheet Metal, Heater (Fender & Wheelhouse/Front End, Hood, Hoses & Pipes/Heater-Front, Hoses & Pipes/Heater-Rear, Jack & Tool Stowage, Labels, Paint/Touch-Up, Running Board) | Fuel System, Exhaust, Emission System (Accelerator Control, Air Intake System, E.C.M. Module & Wiring Harness, Exhaust System, Fuel Injector Rail, Fuel Supply System, Fuel Tank Mounting & Filler Pipes, Fuel Tank Shield, P.C.M. Module & Wiring Harness, Throttle Body, Vapor Canister Lines & Canister) | Maintenance Parts, Fluids, Capacities, Electrical Connectors (Normal Maintenance Replacement Parts) | Rear Body Structure, Moldings & Trim, Cargo Stowage (Liftgate Hardware, Liftgate Hardware Hinge Detail, Liftgate Hardware Lock Detail, Liftgate/Trim, Lock Cylinder/Liftgate, Luggage Carrier, Moldings & Decals) | Starter, Generator, Ignition, Electrical, Lamps (Battery Cables & Related Parts, Block/Accessory Wiring Junction, Block/Body Harness & Body Control Module, Coil & Module/Ignition, Generator Mounting, Headlamp Washer, Horn, Key & Lock Cylinders/Ignition, Lamps/Front, Lamps/Rear, Spark Plug Wiring, Starter Motor And Mounting, Wiring Harness Fuel Injector, Wiring Harness/Body, Wiring Harness/Brake Control & S.I.R., Wiring Harness/Chassis, Wiring Harness/Engine, Wiring Harness/Floor Console, Wiring Harness/Front Lamps, Wiring Harness/Front Side Door, Wiring Harness/Instrument Panel, Wiring Harness/Lift Gate, Wiring Harness/Rear Side Door) | Transfer Case (Shift Control, Transfer Case Adapter, Transfer Case And Vent Tube, Transfer Case Shield, Transfer Case-Internal Components) | Transmission - Automatic (Automatic Transmission Assembly, Automatic Transmission Case & Related Parts & Park Lock Linkage, Automatic Transmission Clutch Gears, Automatic Transmission Control Valve, Automatic Transmission Oil Cooler Pipes, Automatic Transmission Oil Pump, Shift Control Mounting, T.C.M. Module, Transmission Filler Tube & Indicator, Transmission To Engine Mounting, Transmission Vent Hose)