OEM parts categories for 1991 Ford Mustang 4 Cyl 2 3L 4At A4Ld: Accelerator Linkage, Air Cleaner & Speed Control (Accelerator Linkage, Air Cleaner, Fuel Vapor Canister And Related Parts, Speed Control And Related Parts - Production Installation - Engine Compartment, Speed Control And Related Parts - Production Installation - Passenger Compartment) | Air Conditioner, Radios & Shock Absorbers (Compressor, Compressor Installation, Condenser & Dehydrator, Controls & Ducts, Evaporator, Heater - Hose Installation, Heater And Controls, Radio - Am/Fm, Radio Telephone Installation) | Alternator, Regulator, Battery, Starter & Distributor (Alternator, Alternator Mounting Brackets, Distributor, Ignition Wiring, Instrument Cluster Parts, Starter & Drive Assembly) | Automatic Transmission (Accumulator, Reverse, Overdrive Band & Servo, Case, Converter Assy., Extension & Related Parts, Case, Converter Assy., Extension Housing, Clutches, Gear, Shaft & Related Parts, Clutches, Gears, Shafts, Governor, Intermediate, Overdrive & Reverse Piston, Rod & Servo, Main Control Valve Body (7A100), Main Control Valve Body Assy., Manual Control Linkage & Parking Pawl, Oil Cooling System, Shift Mechanism - Floor Or Console, Transmission Installation) | Body Front & Floor (Console, Instrument Panel, Sun Visor And Rear View Mirror, Sun Visor, Vanity Mirror And Rear View Mirror, Windshield & Cowl Insulator) | Body Sides & Quarter (Door Bumpers, Door Hinge, Handles & Latch Parts - Front Door, Lock Cylinder Assembly, Window Parts - Front Door, Window Parts - Quarter) | EM Exterior Moulding (Body Side) | Engine (Crankcase Ventilation System, Cylinder Block, Engine Parts - External, Engine Parts - Internal, Engine Splash Shield Installation, Engine Supports, Oil Filter - Spin-On Type, Oil Pan, Oil Pump, Timing Chain Cover & Related Parts) | Fenders & Hood (Fender & Apron Sheet Metal, Hood) | Frame, Exhaust System, Spring & Stabilizer (Rear Suspension - Axle Absorber - Handling Suspension, Rear Suspension - Shock Absorbers & Springs) | 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, 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 And Wiring, Fuel Lines, Tank & Related Parts) | IT Interior Trim Parts (Floor Insulators, Headlining & Garnish Moulding, Interior Trim Panels, Luggage Compartment Trim) | Lamps & Wiring (4-Spoke Wheel - Center Pad Horn Blow, Air Bag Modules, Sensors & Wiring, Convertible Top Electrical System, Dome Lamp, Dome Lamp - Courtesy Lamp Switch, Dome/Map Lamp, Electrical Wire Terminals, Engine Compartment Lamp, Fuse Panel, Headlamps, Parking & Fender Side Marker Lamps, High Mount Stoplamp, Power Door Locks, Power Door Locks, Windows & Controls, Power Windows, Rear Lamp, License Plate & Related Parts, Wire Connection Sleeve Kits, Wiring System, Wiring System - Engine Compartment, Wiring System - Instrument Panel) | Radiator & Grill (Cooling System, Cooling System - Fan, Radiator Grille & Related Parts, Water Pump) | Rear Axle & Drive Shaft (Driveshaft, Rear Axle, Rear Axle - Ring Gear) | Roof, Back, Luggage Compartment & Tailgate (Back Window, Convertible Roof Braces, Door And Window Parts, Folding Top Asy., Fuel Filler Door, Liftgate, Roof Side Weatherstrips) | Seats (Child Safety Seat Locking Clip, Front Seat Parts, Front Seat Parts - Lower Half - Passenger, Front Seat Parts - Non-Recliner, Front Seat Parts - Sport Seat, Front Seat Parts - Upper Half, Seat Belt & Shoulder Harness Installation, Seat Belt & Shoulder Harness Installation - Front & Rear, Seat Belt & Shoulder Harness Installation - Front Seat, Seat Belt & Shoulder Harness Installation - Rear Seat) | SM Body Sheet metal (Plug Buttons & Access Hole Covers, Upper Body) | Speedometer, Bumpers, Mirrors & Wipers (Bumper - Rear, Jack And Spare Wheel Parts, Speedometer Cable, Windshield - Wiper And Washer - Front) | Wheels & Brakes (Brake Asy. - Disc Front, Brake Asy. - Drum Rear, Brake Booster Installation, Brake Cylinder Assembly - Rear Drum, Brake Master Cylinder Assembly, Disc Brake System, Parking Brake System, Wheels & Related Parts)