OEM parts categories for 1990 Mercury Cougar 6 Cyl 3 8L 4At Aod: Accelerator Linkage, Air Cleaner & Speed Control (Accelerator Linkage, Air Cleaner, Fuel Vapor Canister And Related Parts, Speed Control - Engine Compartment, Speed Control - Passenger Compartment) | Air Conditioner, Radios & Shock Absorbers (Compressor, Compressor Installation, Controls And Ducts, Engine Compartment, Evaporator, Heater - Controls & Ducts, Heater - Heater Parts, Heater - Hose Installation, Radio - Amplifier, Speakers & Wiring, Radio - Antenna, Radio Telephone Installation) | Alternator, Regulator, Battery, Starter & Distributor (Alternator, Alternator Mounting Brackets, Anti-Theft Alarm & Related Parts, Ignition Wiring And Related Parts, Instrument Cluster, Starter & Drive Assembly) | Automatic Transmission (Accumulator, Reverse, Overdrive Band & Servo, Case, Converter Assy., Extension & Related Parts, Clutches, Gear, Shaft & Related Parts, Main Control Valve Body (7A100), Manual Control Linkage & Parking Pawl, Oil Cooling System, Shift Mechanism - Floor Or Console, Transmission Installation) | Body Front & Floor (Console, Instrument Panel, Sun Visor, Vanity Mirror And Rear View Mirror, Windshield) | Body Sides & Quarter (Door Bumpers, Handles & Latch Parts - Front Door, Lock Cylinder Assembly, Window Parts - Front Door, Window Parts - Quarter) | Engine (Camshaft, Gear & Bearings, Crankcase Ventilation System, Crankshaft And Flywheel, Cylinder Block & Plugs, Cylinder Head, Valves And Related Parts, Engine Intercooler And Related Parts, Oil Cooler Filter & Related Parts, Oil Filter, Oil Pan, Oil Pump, Oil Cooler & front cover Related Parts, Oil Pump, Front Cover & Related Parts, Valves And Push Rods) | Fenders & Hood (Fender & Apron Sheet Metal, Hood) | Frame, Exhaust System, Spring & Stabilizer (Exhaust System & Related Parts, Rear Suspension - Shock Absorbers & Springs, Rear Suspension - Stabilizer Bar) | Front Suspension & Steering (Arms, Shock Absorbers, Spindles, Springs & Stabilizer, Power Steering System - Pump Assembly, Power Steering System - Pump Installation, Power Steering System - Steering Gear Assembly, Power Steering System - Steering Gear Installation, Power Steering System - Steering Linkage, Reman Complete Cv Drive Axle, Steering Column - Floor Shift) | Fuel System & Manifolds (Electronic Engine Control (E.E.C), Emission System - Exhaust Gas - Recirculation (E.G.R.), Fuel Injection Manifold Injectors, Valves & Wiring, Fuel System, Fuel System - Tank Installation, Manifold & Related Parts - Intake & Exhaust, Supercharger Details) | IT Interior Trim Parts (Floor Carpets, Floor Insulators, Headlining & Garnish Moulding, Interior Trim Panels, Quarter Panel Insulator) | Lamps & Wiring (4-Spoke Wheel, Autolamp On/Off Delay System, Courtesy Lamp - Dome Lamp, Courtesy Lamp - Pillar Mounted, Engine Compartment Lamp, Fog Lamps & Related Parts, Fuse Panel, Headlamp, Parking, Front Fender Side Marker & Cornering Lamp, High Mount Stoplamp, Illuminated & Keyless Entry System, Keyless Entry System - Control & Wiring System, Moon Roof Control, Pigtail Wiring Kit, Power Door Locks & Controls, Power Window Controls & Wiring System, Rear Lamp, Backup, License Plate & Body Side Marker, Wiring System, Wiring System - Engine, Wiring System - Instrument Panel Wiring, Switches & Relays, Wiring System - Relays, Modules & Related Parts - Package Tray Mounted) | Radiator & Grill (Belt Tensioner, Cooling Fan Shroud, Hoses - Reservior & Related Parts, Cooling System, Radiator Grille & Related Parts, Water Pump) | Rear Axle & Drive Shaft (Differential Mounts, Driveshaft, Rear Axle) | Roof, Back, Luggage Compartment & Tailgate (Back Window, Fuel Filler Door, Latch Parts - Luggage Compartment, Luggage Carrier, Luggage Carrier - Clamp-On Accessory Rack, Luggage Carrier - Fork Mount Bike Carrier, Luggage Carrier - Frame Mount Bike Carrier, Luggage Carrier - Luggage/Cargo Basket, Luggage Carrier - Ski Rack, Sliding Roof) | Seats (Child Safety Seat Locking Clip, Front Seat Belt & Retractors - Passive Restraint, Front Seat Parts, Front Seat Parts - Lower Half, Front Seat Parts - Upper Half, Rear Seat Parts, Rear Seat Parts - Split Folding, Seat Belt & Shoulder Harness Installation, Seat Belt & Shoulder Harness Installation - Front, Seat Belt & Shoulder Harness Installation - Rear) | SM Body Sheet metal (Lower Body, Upper Body) | Speedometer, Bumpers, Mirrors & Wipers (Bumper - Front, Bumper - Rear, Jack And Spare Wheel Parts, Mirror - Outside, Speed Sensor - Electronic, Speedometer Cable, Windshield - Wiper Motor, Windshield Wipers And Washers) | Wheels & Brakes (Brake Anti-Lock Control Details, Brake Asy. - Disc Front, Brake Asy. - Disc Rear, Brake Asy. - Disc Rear Brake Mounting, Brake Asy. - Drum Rear, Brake Asy. - Rear Drum Brake Mounting, Brake Master Cylinder Assembly, Brake Pedal & Booster Installation, Disc Brake System, Parking Brake System, Wheels & Related Parts)