OEM parts categories for 1981 Ford Mustang 6 Cyl 3 3L 3At C4: Accelerator Linkage, Air Cleaner & Speed Control (Air Cleaner, Carburetor, Fuel Filler Door Fuel Vapor Canister And Related Parts, Speed Control And Related Parts - Production Installation - Passenger Compartment, Speed Control And Related Parts Accessory Installation - Dealer Installed, Speed Control And Related Parts Production Installation - Passenger Compartment - Engine Compartment) | Air Conditioner, Radios & Shock Absorbers (Ac Hoses & Tubes, Air Conditioner Compressor, Air Conditioner Compressor Installation, Air Conditioner Condenser & Dehydrator, Air Conditioner Controls And Ducts, Air Conditioner Engine Compartment, Air Conditioner Evaporator, Air Conditioner Passenger Compartment, Heated Back Window, Heater And Controls, Heater And Controls - Hose Installation, Heater Hoses & Tubes, Radio - Am/Fm Monaural) | Alternator, Regulator, Battery, Starter & Distributor (Distributor, Instrument Cluster Parts, Starter And Drive Assembly) | Automatic Transmission (External Parts - Oil Cooling System, External Parts - Shift Mechanism, External Parts - Steering Column, External Parts - Steering Column And Shift Mechanism, External Parts - Steering Column Shift Mechanism And Related Parts - Fixed Wheel, External Parts - Steering Column Shift Mechanism And Related Parts - Steering Column, External Parts - Steering Column Shift Mechanism And Related Parts - Tilt Wheel, External Parts - Steering Column Shift Mechanism And Related Parts - Transmission Bushings, External Parts - Transmission Shift Controls, Internal Parts, Internal Parts - Case, Converter Assy. And Related Parts, Internal Parts - Case, Converter Assy., Extension, Pump And Related Parts, Internal Parts - Clutches, Gears, Shafts, Extension & Related Parts, Internal Parts - Main Control Valve Body, Internal Parts - Manual Control Linkage And Parking Pawl, Internal Parts Related Parts - Clutches, Gear, Shaft, Rear Supports And Related Parts - Typical, Internal Parts Related Parts - Typical - Main Control Valve Body, Internal Parts Related Parts - Typical - Manual Control Linkage, Parking Pawl And Throttle, Internal Parts Related Parts - Typical - Servo And Band (Front), Internal Parts Related Parts - Typical - Servo And Band (Front) - (Rear)) | Body Front & Floor (Console, Instrument Panel, Sun Visor, Vanity Mirror And Rear View Mirror) | Body Sides & Quarter (Front Bumpers, Handles And Latch Parts - Front Door, Lock Cylinder Assy. - Anti-Theft & Illuminated Entry, Window Parts - Front Door) | Engine (Camshaft Gear And Bearings, Crankcase Ventilation System, Crankshaft And Flywheel, Engine Assy., Engine Supports, Engine Supports - Piston And Connecting Rod, Engine Supports, Push Rods And Rocker Arm Cover) | Fenders & Hood (Fender & Apron Sheet Metal, Hood) | Frame, Exhaust System, Spring & Stabilizer (Rear Suspension - Shock Absorbers And Springs) | Front Suspension & Steering (Manual Steering System - Steering Gear Assembly, Manual Steering System - Steering Linkage, Steering Power Steering System, Steering Power Steering System - Pump Assy, Steering Power Steering System - Steering Column, Steering Power Steering System - Steering Linkage, Steering Power Steering System -Steering Gear Assy) | Fuel System & Manifolds (Emission System - Exhaust Gas - Recirculation (E.G.R.), Fuel Filler Door Fuel System, Fuel Filler Door In-Line Filter Installation, Fuel Filler Door Intake Manifold And Related Parts, Fuel Filler Door Manifold - Exhaust, Fuel Filler Door Thermactor Emission) | IT Interior Trim Parts (Floor Insulators, Interior Trim Panels, Luggage Compartment Trim) | Lamps & Wiring (Electrical Systems - Electrical Wire Terminals, Electrical Systems - Fuse Panel, Electrical Systems - Power Door Locks, Windows & Controls, Electrical Systems - Turbo - Wiring System, Electrical Systems - Turbocharger, Electrical Systems - Wire Connection Sleeve Kits, Electrical Systems - Wiring System, Electrical Systems - Wiring System - Instrument Panel, Lamps Dome Lamp, Lamps Dome/Map Lamp-W/Shield Header Mounted, Lamps Fog Lamps & Related Parts, Lamps Headlamps, Parking And Fender Side Marker Lamps, Lamps Headlamps, Parking And Fender Side Marker Lamps Map Lamp, Lamps Rear Lamp, License Plate And Related Parts, Steering Wheel And Horn) | Radiator & Grill (Cooling System, Radiator Grille & Related Parts, Water Pump) | Rear Axle & Drive Shaft (Driveshaft, Rear Axle - Ring Gear) | Roof, Back, Luggage Compartment & Tailgate (Fuel Filler Door, Latch Parts - Luggage Compartment, Liftgate, Luggage Compartment Bumpers, Sliding Roof, T-Roof Braces, Door And Window Parts) | Seats (Child Safety Seat, Front Seat Parts, Front Seat Parts - Non-Recliner, Front Seat Parts - Upper Half, Rear Seat - Folding, Rear Seat - Stationary, Seat Belt And Shoulder Harness Installation, Seat Belt And Shoulder Harness Installation - Continuous Loop) | SM Body Sheet metal (Lower Body, Upper Body) | Speedometer, Bumpers, Mirrors & Wipers (Bumper - Front, Jack And Spare Wheel Parts, Mirror - Inside, Mirror - Vanity, Speedometer Cable, Valance Panel And Air Scoop, Windshield - Wiper And Washer - Front, Windshield Wiper And Washer - Rear) | Wheels & Brakes (Brake And Clutch Pedals, Disc Brake System, Disc Brake System - Brake Assy. - Disc Front, Disc Brake System - Brake Assy. - Drum Rear, Disc Brake System - Brake Booster Installation, Disc Brake System Brake Assy. - Drum Rear Brake Cylinder Assy. - Rear, Parking Brake System, Wheels Wheels And Related Parts)