OEM parts categories for 1994 Gmc Sonoma 4WD: Body Mounting, Air Conditioning, Audio/Entertainment (A/C & Heater Module Assembly, A/C Compressor Assembly, A/C Compressor Mounting, A/C Control System/Vacuum & Electrical, A/C Refrigeration System, Air Distribution Assembly, Air Distribution System, Air Inlet, Antenna/Fixed, Audio System, Body Mounting, Cluster Assembly/Instrument Panel, Radio Assembly) | Brakes (Brake Booster/Vacuum, Brake Caliper/Front, Brake Control Modulator Valve, Brake Electrical System With 4 Wheel Anti-Lock, Brake Lines, Brake Master Cylinder, Brake Pedal & Master Cylinder Mounting, Parking Brake System, Wheel Cylinder/Drum Brake) | Brakes, Rear Axle, Propeller Shaft, Wheels, Tires (Axle Assembly/Rear, Brake Assembly/Rear Drum, Differential/Limited Slip, Prop Shaft, Prop Shaft And Mounting, Prop Shaft/Front Drive Axle, Wheels & Wheel Covers) | Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers (Console/Floor, Door Hardware/Side Front, Door Trim/Side Front, Floor Covering & Sill Plates, Front Seat/Bucket-Driver, Front Seat/Bucket-Passenger, Instrument Panel & Related Parts, Lamps/Courtesy & Dome, Locks-Cylinders, Mirror/Inside Rear View, Mirror/Outside Rear View, Rear Seat/Folding Jump & Seat Belt, Seat Belts-Rear, Seat Belts/Front, Seat Hardware-Front Bucket, Seat/Bench, Seat/Split-Driver, Seat/Split-Passenger, Sheet Metal/Body, Trim Interior, Windows & Weatherstrips, Wiper System/Windshield) | Cooling System, Grille, Oil System (Engine Block Heater, Engine Coolant Fan & Clutch, Engine Cooling System, Engine Oil Cooler And Lines, Engine Oil Filter & Adapters, Grille/Radiator, Radiator & Related Parts, Radiator Assembly, Tensioner/Drive Belt & Idler Pulley) | Engine (Clutch, Clutch Control Linkage, Engine & Transmission Mounting, Engine Assembly-Block & Related Parts, Engine Assembly-Cylinder Head & Related Parts, Engine Assembly-Front Cover & Cooling & Related Parts, Engine Assembly-Manifolds & Fuel Related Parts, Engine Assembly-Oil Pump, Pan & Related Parts, Engine To Transmission Mounting) | Frames, Springs, Shocks, Bumpers, Fascias (Bumper/Front, Bumper/Rear, Bumper/Rear Filler, Frame, Spare Wheel Carrier, Springs/Rear, Suspension/Rear, Suspension/Rear Tie Rod, Trailer Hitch Platform) | Front Axle, Front Suspension, Steering (Actuator & Controls/Front Axle, Differential Carrier/Front Axle, Drive Axle Mounting/Front, Drive Axle/Front, Steering Column, Steering Gear Assembly-Power, Steering Linkage, Steering Pump Assembly, Steering Pump Lines, Steering Pump Mounting, Steering Shaft & Coupling/Intermediate, Steering System & Related Parts, Steering Wheel & Horn Parts, Suspension/Front) | Front End Sheet Metal, Heater (Blower Assembly, Heater & Defroster System, Heater Assembly, Heater Control System/Vacuum & Electrical, Hoses & Pipes/Heater, Jack & Tool Stowage, Labels, Lamps/Under Hood, Sheet Metal/Front End) | Fuel System, Exhaust, Emission System (Accelerator Control, Air Intake System, Cruise Control, E.C.M. Module & Wiring Harness, E.G.R. Valve & Related Parts, Exhaust System, Fuel Supply System, Fuel Tank Mounting & Filler Pipes, Intake Manifold & Throttle Body-Central Port Injection, M.A.P. & Oxygen Sensors, Throttle Body, V.C.M. Module & Wiring Harness) | Maintenance Parts, Fluids, Capacities, Electrical Connectors (Normal Maintenance Replacement Parts) | Rear Body Structure, Moldings & Trim, Cargo Stowage (Moldings & Decals, Pickup Box/Fleetside, Stripes) | Starter, Generator, Ignition, Electrical, Lamps (Battery Cables & Related Parts, Distributor/Ignition, Generator Mounting, Headlamps/Composite, Lamps/Front, Lamps/Rear And High Mount Stop, Relays, Starter Motor, Starter Motor And Mounting, Wiring Harness Locator, Wiring Harness/Engine, Wiring Harness/Instrument Panel) | Transfer Case (Shift Control, Transfer Case Adapter, Transfer Case And Vent Tube) | Transmission - Automatic (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, Automatic Transmission Park Brake, Frame/Transmission Supports, Shift Control) | Transmission - Manual (Frame/Transmission Supports, Manual Transmission Case & Related Parts, Manual Transmission Main Gears, Shift Control)