OEM parts categories for 2001 Kia Optima: Body (Back Panel, Cowl Panel, Fender & Hood Panel, Fender Apron & Radiator Support Panel, Label, Panel-Floor, Panel-Front Door, Panel-Rear Door, Roof Panel, Side Body Panel) | Chassis (Brake Fluid Line, Brake Master Cylinder, Brake-Front Wheel, Crossmember-Front Suspension, Front Axle Hub, Front Suspension Lower & Upper Arm, Hydraulic Module, Mud Guard, Parking Brake, Power Brake Booster, Power Steering Gear Box, Power Steering Hose & Bracket, Power Steering Oil Pump, Rear Shock Absorber & Spring, Rear Suspension Arm, Rear Wheel Brake, Rear Wheel Hub, Spring & Strut-Front, Stabilizer-Front, Steering Column & Shaft, Steering Linkage, Steering Wheel, Wheel & Cap) | Electrical (ABS Sensor & ECM, Air Con Cooler Line, Antenna, Auto Cruise Control, Body Side Lamp, Car Audio, Compressor, Control Wiring, Engine Wiring, Head Lamp, Heater System-Control & Duct, Heater System-Evaporator & Blower Unit, Heater System-Heater Unit, High Mounted Stop Lamp, Horn, Instrument Cluster, Instrument Wiring, License Plate & Interior Lamp, Main Wiring, Miscellaneous Wiring, Multifunction Switch, Rear Combination Lamp, Relay & Module, Room Lamp, Speaker, Switch, Transmission Control Unit, Trunk Lid Wiring, Windshield Washer, Windshield Wiper, Wiring Harness-Floor) | Engine (Accelerator Linkage, Air Cleaner, Balancer Belt Train, Battery, Belt Cover & Oil Pan, Camshaft & Valve, Case-Front, Clutch & Brake Pedal, Coolant Hose & Pipe, Coolant Pump, Crankshaft & Piston, Cylinder Block, Cylinder Head, Electronic Control, Engine & Transaxle Mounting, Engine Gasket Kit, Exhaust Manifold, Exhaust Pipe, Fuel Line, Generator, Intake Manifold, Oil Cooling, Ovm Tool, Radiator, Radiator Hose & Reservoir, Rocker Cover, Short Engine Assy, Spark Plug & Cable, Starter, Sub Engine Assy, Tank-Fuel, Throttle Body & Injector) | Transmission (Auto Transmission Case, Clutch & Release Fork, Clutch Master Cylinder, Clutch Release Cylinder, Drive Shaft, Gear Shift Control, Oil Pump & Torque Converter-Auto, Shift Lever Control, Speedometer Driven Gear, Transaxle, Transaxle Assy-Auto, Transaxle Brake-Auto, Transaxle Case, Transaxle Clutch-Auto, Transaxle Gasket Kit, Transaxle Gear, Transaxle Gear-Auto) | Trim (Back Panel Moulding, Belt-Front Seat, Body Side Moulding, Bumper-Front, Child Rest Holder, Console, Crash Pad Lower, Crash Pad Upper, Emblem, Front Door Window Regulator & Glass, Fuel Filler Door, Hood Trim, Interior Side Trim, Isolation Pad & Floor Covering, Key & Cylinder Set, Locking-Front Door, Luggage Compartment, Moulding-Front Door, Radiator Grille, Rear Bumper, Rear Door Locking, Rear Door Moulding, Rear Door Trim, Rear Door Window Reg & Glass, Rear Package Tray, Rear Seat, Rear Seat Belt, Rear View Mirror, Rear Window Glass & Moulding, Roof Garnish & Rear Spoiler, Seat-Front, Sunroof, Sunvisor & Head Lining, Trim-Front Door, Trunk Lid Trim, Wheel Guard, Windshield Glass)