OEM parts categories for 2001 Chevrolet C3500: Body Mounting, Air Conditioning, Audio/Entertainment (A/C & Heater Control Assembly, A/C & Heater Module Assembly, A/C Compressor Assembly, A/C Compressor Mounting, A/C Control System Electrical, A/C Refrigeration System, Air Distribution System/Instrument Panel, Antenna/Fixed, Audio System/Front, Audio System/Rear, Body Mounting, Cluster Assembly/Instrument Panel) | Brakes (Brake & Steering System-Hydraulic Lines, Brake Booster/Hydraulic, Brake Caliper/Front, Brake Caliper/Rear, Brake Control Module, Brake Electrical System With 4 Wheel Anti-Lock, Brake Lines/Front, Brake Lines/Rear, Brake Master Cylinder, Brake Pedal & Master Cylinder Mounting, Parking Brake System, Parking Brake System/Brake Assembly) | Brakes, Rear Axle, Propeller Shaft, Wheels, Tires (Axle Assembly/Rear, Prop Shaft, Prop Shaft And Mounting, Prop Shaft/Front & Rear, Road Wheel) | Cab And Body Structure, Mirrors, Doors, Trim, Seat Belts, Wipers (Door Hardware/Side Front, Door Trim/Side Front, Entry System/Keyless Remote, Floor Covering & Sill Plates, Front Seat/Bench, Front Seat/Hi-Back Bucket-Driver, Front Seat/Hi-Back Bucket-Passenger, Front Seat/Low-Back Bucket-Driver, Front Seat/Low-Back Bucket-Passenger, Instrument Panel & Related Parts, Lamp/Dome, Mirror/Inside Rear View, Mirror/Outside Rear View, Seat Belts/Front, Sheet Metal/Body, Trim/Interior-Body Side, Trim/Interior-Roof, Windshield & Windows, Wiper System/Windshield) | Cooling System, Grille, Oil System (Engine Block Heater & Related Parts, Engine Coolant Fan & Clutch, Engine Oil Cooler And Lines, Grille/Radiator, Grille/Radiator Lower, Pulleys & Belts/Accessory Drive, Radiator Assembly, Radiator Hoses, Radiator Mounting & Related Parts) | Engine (Clutch, Clutch Linkage & Pedal, Engine & Transmission Mounting, Engine Assembly-Block & Related Parts, Engine Assembly-Cylinder Head & Related Parts, Engine Assembly-Front Cover & Cooling & Related Parts, Engine Assembly-Fuel Related Parts, Engine Assembly-Manifold, Turbo & Related Parts, Engine Assembly-Oil Pump, Pan & Related Parts, Engine To Transmission Mounting) | Frames, Springs, Shocks, Bumpers, Fascias (Bumper/Front, Frame, Springs/Front & Rear, Suspension/Rear) | Front Axle, Front Suspension, Steering (Axle Assembly/Front, Steering Column-Standard, Steering Column/Tilt, Steering Gear Assembly, 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 (Heater & Blower Assembly, Heater & Vent Control Cables & Harness, Heater Control Assembly, Hoses & Pipes/Heater, Insulators/Engine Compartment, Labels, Lamps/Under Hood, Sheet Metal/Front End) | Fuel System, Exhaust, Emission System (Accelerator Control, Air Intake System, Control Module & Related Parts, E.G.R. Valve & Related Parts, Exhaust System, Fuel Control Module & Relay, Fuel Filter, Fuel Injector Rail, Fuel Supply System-Front, Fuel Supply System-Rear, Fuel Tank And Mounting, Fuel Tank Filler Pipes & Hoses, Fuel Tank Sender, Heat Shields/Exhaust, Injection Pump/Fuel, Intake Manifold, Vacuum Pump Mounting, Vapor Canister & Related Parts) | Maintenance Parts, Fluids, Capacities, Electrical Connectors (Normal Maintenance Replacement Parts) | Rear Body Structure, Moldings & Trim, Cargo Stowage (Moldings/Cab & Body Side) | Starter, Generator, Ignition, Electrical, Lamps (Auxiliary Battery & Wiring, Backup Alarm, Battery Cables, Battery Mounting, Coil Assembly/Ignition, Generator Assembly, Generator Mounting, Generator Mounting-LH Side, Key & Lock Cylinders/Ignition, Lamps/Front - Composite, Lamps/Front - Single Headlamp, Lamps/Rear-With Wiring, Lamps/Roof, Spark Plug Wiring, Starter Motor, Starter Motor And Mounting, Wiring Harness Front, Wiring Harness Front Lamps With Connectors, Wiring Harness Intermediate, Wiring Harness Rear, Wiring Harness/Engine Connectors, Wiring Harness/Engine-With Connectors -Left Hand, Wiring Harness/Engine-With Connectors -Right Hand) | Transmission - Automatic (Automatic Transmission Auxiliary Accumulator Valve, Automatic Transmission Case & Related Parts & Park Lock Linkage, Automatic Transmission Clutch Gears, Automatic Transmission Oil Pump, Automatic Transmission Overrun Clutch, Automatic Transmission Valve Body, Frame/Transmission Supports, Shift Control, Transmission Auxiliary Oil Cooler, Transmission Filler Tube) | Transmission - Manual (Frame/Transmission Supports, Manual Transmission, Manual Transmission Main Gears, Shift Control, Transmission Auxiliary Oil Cooler)