OEM parts categories for 1983 Mercury Zephyr 6 Cyl 3 3L 3At C3: Accelerator Linkage, Air Cleaner & Speed Control (Air Cleaner, Carburetor, Speed Control And Related Parts - Production Installation - Engine Compartment, Speed Control And Related Parts - Production Installation - Passenger Compartment, Speed Control And Related Parts Accessory Installation - Dealer Installed) | Air Conditioner, Radios & Shock Absorbers (Ac Hoses & Tubes, Air Conditioner Compressor, Air Conditioner Condenser & Dehydrator, Air Conditioner Controls And Ducts, Air Conditioner Engine Compartment, Air Conditioner Evaporator, Air Conditioner Passenger Compartment, Heated Back Window (Defroster), Heater And Controls, Heater Hoses & Tubes) | Alternator, Regulator, Battery, Starter & Distributor (Instrument Cluster Parts, Starter And Drive Assembly - Ford Positive Engagement) | Automatic Transmission (External Parts - Oil Cooling System, External Parts - Shift Mechanism - Floor Or Console, External Parts - Steering Column - Floor Shift, External Parts - Steering Column And Shift Mechanism, Internal Parts - Accumulator, Reverse And Overdrive Band And Servo, Internal Parts - Case, Converter Assy. Extension And Related Parts, Internal Parts - Case, Converter Assy., Extension Housing, Internal Parts - Case, Converter Assy., Extension, Housing & Related Parts, Internal Parts - Clutches, Gear, Shaft, Rear Supports And Related Parts, Internal Parts - Clutches, Gear, Shaft, Rear Supports And Related Parts - Front, Reverse Servo And Related Parts, Internal Parts - Clutches, Gear, Shaft, Rear Supports And Related Parts - Manual Control Linkage And Related Parts, Internal Parts - Main Control Valve Body, Internal Parts - Parking Pawl, Throttle And Manual Control Linkage, Internal Parts - Servo Band, Internal Parts - Transmission Installation) | Body Front & Floor (Instrument Panel, Sun Visor, Vanity Mirror And Rear View Mirror, Windshield) | Body Sides & Quarter (Door Bumpers, Handles And Latch Parts - Front Door, Handles And Latch Parts - Front Door & Rear Door, Window Parts - Front Door) | Engine (Camshaft Gear And Bearings, Crankshaft And Flywheel, Cylinder Block And Cylinder Head, Engine Assy.) | Fenders & Hood (Hood) | Frame, Exhaust System, Spring & Stabilizer (Front Stabilizer, Front Suspension, Rear Suspension - Shock Absorbers And Springs) | Front Suspension & Steering (Front Suspension Arms, Shock Absorbers, Spindles, Springs And Stabilizer, 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 Wheel, Steering Power Steering System -Steering Gear Assy) | Fuel System & Manifolds (Electronic Engine Control (E.E.C), Emission System - Exhaust Gas - Recirculation (E.G.R.), Fuel Filler Door Fuel System, Fuel Filler Door In-Line Filter Installation, Fuel Filler Door Manifold - Exhaust And Intake, Fuel Filler Door Thermactor Emission) | IT Interior Trim Parts (Floor Insulators, Interior Trim Panels, Interior Trim Parts - Floor Carpets) | Lamps & Wiring (Electrical Systems - Fuse Panel, Electrical Systems - Wiring System, Electrical Systems - Wiring System - Instrument Panel, Lamps Dome Lamp, Lamps Dome/Map Lamp - Headliner Mounted, Lamps Dome/Map Lamp - Windshield Header Mounted, Lamps Headlamp, Parking And Fender Side Marker, Lamps Rear Lamp, Backup, License Plate And Body Side Marker, Lamps Rear Lamp, Backup, License Plate And Bodyside Marker Rear Luggage Compartment And License Lamps, Steering Wheel And Horn) | Radiator & Grill (Cooling System) | Rear Axle & Drive Shaft (Driveline Vibration Damper - Rear Axle Mounted, Driveshaft, Rear Axle - Ring Gear) | Roof, Back, Luggage Compartment & Tailgate (Fuel Filler Door, Latch Parts - Luggage Compartment, Sliding Roof) | Seats (Child Safety Seat, Continuous Loop - Extension, Front Seat Parts - Bucket, Rear Seat Parts, Seat Back Latch, Seat Back Latch - Bucket, Seat Belt And Shoulder Harness Installation - Continuous Loop, Upper Half - W/O Center Arm Rest) | SM Body Sheet metal (Upper Body) | Speedometer, Bumpers, Mirrors & Wipers (Jack And Spare Wheel Parts, Mirror - Inside, Mirror - Vanity, Speedometer Cable, Windshield - Wiper And Washer) | 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 Assy. - Drum Rear Brake Cylinder Assy. - Rear, Wheels Hub Cap And Wheel Cover)