OEM parts categories for 1981 Ford F 150 8 Cyl 5 8L 4Mt: Accelerator Linkage, Air Cleaner & Speed Control (Air Cleaner, Carburetor - Upper Body, Compartment, Compartment-Engine, Compartment-Passenger, High Altitude Compensator Fuel Vapor Canister And Related Parts, Speed Control, Speed Control Factory Installed-Engine) | Air Conditioner, Radio & Shock Absorbers (Ac Hoses & Tubes, Air Conditioning & Compressor, Air Conditioning Bezels And Controls, Air Conditioning Compressor Compressor Charge Identification, Air Conditioning Compressor Installation, Heater Hose-Main, Heater Hoses & Tubes, Heater Parts (Deluxe)-Engine Compartment, Heater Parts (Deluxe)-Passenger Compartment, Heater Parts (Standard)-Passenger Compartment, Radios Citizen Band (C.B.)-Receiver, Wiring, Antenna And Related Parts, Radios Citizen Band (C.B.)-Receiver, Wiring, Antenna And Related Parts Radio, Receiver, Speakers And Antenna Parts) | Alternator, Battery, Distributor & Starter (Alternators, Battery Carriers And Wiring, Battery Carriers And Wiring Battery Carrier And Related Parts, Battery Carriers And Wiring Single Bat., Distributor (Breakerless), Ignition Wiring Ignition Wiring (Breakerless Distributor) System, Ignition Wiring System, Instrument Cluster And Related Parts, Instrument Clusters Lights) | BODY Body (Back-Of-Cab Equipment Fuel Filler Door, Back-Of-Cab Equipment Splash Shield (Rear), Back-Of-Cab Equipment Splash Shield (Rear)-W/Dual Rear Wheels, Back-Of-Cab Equipment Tailgate Hinge And Latch Parts, Back-Of-Cab Equipment Tie Down Hooks, Console Console And Related Parts, Doors And Windows Front Door Handle And Latch Parts, Doors And Windows Front Door Window Parts, Front Seat Parts, Instrument Panel And Pad, Seat Belt Installation Front - Bench, Seat Belt Installation Seat - Bench, Seats Driver, Seats Passenger-Hoover Rear Seat Parts - Center Facing, Sheet Metal Parts - Lower/Upper Body, Sheet Metal Parts - Upper Body, Sheet Metal Pickup Box Parts, Trim Carpet - Floor, Trim Interior Trim, Windshield Rear View Mirror And Sun Visor, Windshield Windshield Parts) | Engine (Camshaft Gear And Bearings, Crankcase Ventilation System, Crankcase Ventilation System Crankshaft And Flywheel, Cylinder Block - External (Modified), Cylinder Block - External (Windsor), Cylinder Block - Head - Typical, Cylinder Block - Internal (Modified), Cylinder Block - Internal (Windsor), Cylinder Block Cylinder Head, Valves And Related Parts, Emission Reduction System - Engine Block Immersion Heater, Emission Reduction System - Modified, Emission Reduction System - Windsor, Emission Reduction System Engine Assy., Engine Supports - (Front And Rear), Engine Supports - (Front), Engine Supports - (Rear), Engine Supports Insulators & Related Parts, Oil Filler Pipe Installation, Oil Filler Pipe Installation - Piston And Connecting Rod, Oil Filler Pipe Installation Oil Filter (Spin-On Type), Oil Filler Pipe Installation Oil Pump, Oil Filler Pipe Installation Valves, Push Rods And Rocker Arm Cover) | Fenders & Hood (Fenders And Running Boards Fenders And Apron Sheet Metal, Hood Parts) | Frame, Exhaust System & Springs (Exhaust System, Exhaust System-Regular Cab And Super Cab, Frame, Frame - Body To Frame Mounts, Front Suspension, Rear Suspension, Rear Suspension - Auxiliary Spring Installation, Rear Suspension - Multi Leaf Spring, Rear Suspension - Stabilizer Bar) | Front Axle & Steering (Front Axle - Details, Front Suspension, Front Suspension - Single Shock, Front Suspension & Steering Linkage, Steering Power Steering System -Pump Installation, Steering Power Steering System Pump Installation -Pump Assembly, Steering Power Steering System Pump Installation -Steering Gear Assembly., Steering Steering Linkage - Refer To Front Suspension Steering Column, Steering Steering Linkage - Refer To Front Suspension Tilt Wheel) | Fuel System & Manifolds (Emission System - Exhaust Gas - Recirculation (E.G.R.), Exhaust Control Valve Manifold And Related Parts, F150/250 (81, 99 And U150)- F150/250 (81, 83 And 99), F150/250 (81, 99 And U150)- W/Aft Tank-Exc. 4/W/D, F150/250 (81, 99 And U150)- W/Aft Tank-Exc. 4/W/D 4/W/D, Fuel Filler Door, Fuel Filler Pipe Installation, Fuel Injection Manifold, Injectors, Valves And Wiring Fuel System And Related Parts, Fuel Pump - Gas Line Filter, Fuel System & Manifolds, Fuel System And Related Parts, Manifold And Related Parts, Thermactor Emission, Thermactor Emission Control System) | Lamps & Wiring (Electrical Systems - Batteries - Trailer Wiring, Electrical Systems - Batteries Batteries - Dual Rear Wheels, Electrical Systems - Batteries Dual Batteries Wire Connection Sleeve Kit And Crimping Tool, Electrical Systems - Batteries Dual Batteries Wire Terminals, Electrical Systems - Batteries Dual Batteries Wiring Battery And Related Parts, Electrical Systems - Batteries Dual Batteries Wiring System - Body Wiring, Electrical Systems - Batteries Dual Batteries Wiring System - Body Wiring - Engine Compartment-All, Electrical Systems - Batteries Dual Batteries Wiring System - Instrument Panel, Electrical Systems - Relay Feed Wiring - Camper Wiring, Electrical Systems Batteries Dual Batteries Wiring System - Instrument Panel - Power Door Locks, Lamps, Lamps Cargo Area Lamp And Related Parts, Lamps Dome Lamp And Related Parts, Lamps Fog Lamps & Related Parts, Lamps Headlamp, Parking Lamp And Marker Lamp, Lamps Indicator Lamp And Related Parts, Lamps Rear Identification Lamps, Lamps Rear Lamp, Backup Lamp And Related Parts, Lamps Rear License Plate Lamp, Lamps Roof Marker Lamp And Related Parts, Lamps Side Marker Clearance Lamps, Lamps Utility Lamp - Engine Compartment, Steering Wheel And Horn) | Manual Transmission (External Parts, External Parts Clutch And Brake Pedal, External Parts Clutch And Brake Pedal - Hydraulic Actuated, External Parts Clutch And Brake Pedal - Linkage Actuated, External Parts- Hydraulic Actuated, Gearshift Mechanism Floor Mounted, Gearshift Mechanism Gearshift Boots And Cover Plates, Gearshift Mechanism Gearshift Controls, Gearshift Mechanism Steering Column, Internal Parts, Transfer Case (Four Wheel Drive) Part Time, Transfer Case (Four Wheel Drive) Shift Mechanism) | Radiator & Grill (Cooling Systems, Radiator Grille And Related Parts, Water Pumps) | Rear Axle, Drive & Coupling Shafts (Driveshaft, Front Axle) | Speedometer, Bumpers, Mirrors & Wipers (Bumper Parts - Rear - Front, Bumper Parts (Front), Bumpers Stone Deflector, Mirror - Inside, Speedometer Cables, Tow Hooks, Wipers And Washers Windshield Wiper And Washer Parts) | Wheels & Brakes (Brake And Clutch Pedals - Linkage Actuated, Brakes, Brakes Disc Brake System, Brakes Disc Brake System Booster, Pedal & Master Cyl. Instal., Brakes Disc Brake System Brake Assy. - Disc Front - Single Piston, Brakes Disc Brake System Disc Rear, Brakes Disc Brake System Disc Rear - Brake Cylinder Assy. - Rear, Brakes Disc Brake System Disc Rear - Rear Drum, Brakes Hydraulic Actuated, Brakes Parking Brake System - Rear Brake Mounted - Transmission Mounted, Brakes Parking Brake System - Rear Brake Mounted - Transmission Mounted (1989) - Transmission Mounted, Spare Wheel Carrier, Spare Wheel Carriers - Side Mounted, Spare Wheel Carriers Chassis Cab, Spare Wheel Carriers Chassis Cab - Slide-Out, Wheel, Hubs And Drums Front Driving Axle Hub Lock, Parts, Wheel, Hubs And Drums Hub Cap And Wheel Cover-Refer To Text Group 1130 Rear Wheel Hub, Bearings And Related Parts)