OEM parts categories for 1999 Mercury Mountaineer 6 Cyl 4 0L 5At 5R55E: Accelerator Linkage, Air Cleaner & Speed Control (Accelerator Linkage, Air Cleaner & Related Parts, Speed Control & Related Parts) | Air Conditioner, Radio & Shock Absorbers (Anti-Theft Remote Convenience Controls Wiring & Related Parts, Compressor, Compressor Installation, Console, Ducts & Related Parts, Controls & Ducts - Passenger Compartment, Controls & Ducts - Rear Console, Evaporator - Passenger Compartment, Evaporator Parts, Heater - Engine Compartment, Radio - Antenna & Wiring, Radio - Speakers, Amplifier & Wiring, Radio - Suppression Components, Radio, Cd Player, Phone, Speakers, Amplifier & Wiring) | Alternator, Battery, Distributor & Starter (Alternator, Alternator Mounting Brackets, Instrument Cluster Parts, Starter & Drive Assembly) | Automatic Transmission (External Parts - Automatic Transmission Cooler Lines, External Parts - Automatic Transmission Installation, External Parts - Automatic Transmission To Transfer Case Gasket, Bolts & Heat Shield, External Parts - Floor Pan Blanking Plate - Automatic Transmission, External Parts - Gearshift Controls, External Parts - Steering Column, Internal Parts - Case, Converter Assembly, Extension Housing & Related Parts, Internal Parts - Clutches, Gear Shafts & Related Parts, Internal Parts - Intermediate, Overdrive & Reverse Piston Rod & Servo, Internal Parts - Main Control Valve Body Assembly, Internal Parts - Manual Control Linkage & Parking Pawl) | Console, instruments, mirrors, windshield (Auxiliary Visor, Illuminated Vanity Mirror, Sun Visor & Related Parts, Cowl Top Vent Panel, Dash Panel Covers & Plates, Floor Console - Front Finish Panel, Floor Console & Related Parts, Floor Consolette & Related Parts, Instrument Panel & Related Parts, Rear View Mirror & Sun Visor, Roof Console, Compass & Related Parts, Windshield Parts) | Door glass and fittings (Anti-Theft & Illuminated Entry - Cylinder Assembly, Door Opening Weather Strips, Front Door - Handle & Latch Parts, Front Door - Window Parts, Lock Service Pack, Rear Door Handle & Latch Parts, Rear Door Window Parts, Stone Shield) | EM Exterior Moulding (Moulding - Body Side Lower, Moulding - Door Window, Moulding - Rocker Panel, Moulding - Running Board Cover, Moulding - Windshield) | Engine (Camshaft, Spraybar & Related Parts, Crankshaft & Related Parts, Cylinder Block & Plugs, Cylinder Head, Rocker Arm Cover, Valves & Related Parts, Engine Crankcase Ventilation System, Engine Supports, Oil Filter & Related Parts, Oil Level Indicator & Tube, Oil Pan & Related Parts, Oil Pump & Related Parts, Piston, Connecting Rod & Related Parts, Timing Gear) | Fenders & Hood (Fenders Aprons & Related Parts, Hood & Related Parts, Running Board, Splash Shield Kit) | Frame, Exhaust System & Springs (Exhaust System, Exhaust System - Heat Shields, Exhaust System - Shields, Frame - Body To Frame Mounts, Frame - Crossmember Reinforcements, Front & Rear Suspension, Front Suspension - Stabilizer Bar, Rear Suspension, Rear Suspension - Stabilizer Bar - Rear, Rear Suspension - Windup Bar) | Front Axle & Steering (Details & Related Parts, Front Suspension, Power Steering System - Pump Assembly, Power Steering System - Pump Installation, Power Steering System - Steering Gear Assembly, Steering Column) | Fuel filler, luggage carrier, rear door (Accessory Hitch Mounted Bike Carrier, Fuel Filler Door, Liftgate Latch, Handle, Hinge & Related Parts, Liftgate Window, Roof Luggage Rack, Roof Rail Kit, Sliding Sunroof) | Fuel System & Manifolds (Emission System - Exhaust Gas - Recirculation (E.G.R.), Evap Tube & Related Parts, Exhaust Gas Oxygen (Hego) & Catalyst Temp. Monitor (Ctm) Sensors, Exhaust Manifold, Fuel Filler Pipe Installation, Fuel Injection Manifold Injectors, Valves & Wiring, Fuel System & Related Parts - Lines, Fuel Tank & Related Parts, Intake Manifold Tube Assembly - Brake, Vapor Management Valve & Lines) | IT Body & Soft Trim Parts (Dash Insulator - Engine Compartment, Dash Insulator - Passenger Compartment, Floor Carpet & Mats, Insulator - Cowl & Floor, Luggage Hold Down Net, Trim Panels - Front Door, Trim Panels - Left Quarter Trim Panels, Trim Panels - Rear & Interior Moulding, Trim Panels - Rear Door, Trim Panels - Rear Liftgate, Trim Panels - Right Quarter Trim Panels, Trim Panels - Roof Trim Panel) | Lamps & Wiring (Air Bag Modules, Sensors & Wiring, Anti-Theft Remote Convenience Controls Wiring & Related Parts, Dome Lamp, Map Lamp & Related Parts, Fog Lamps, Headlamp, Parking & Front Fender Side Marker, High Mount Stop Lamp, License Plate Lamp & Related Parts, License Plate Lamp, Shield & Related Parts, Liftgate Courtesy Lamp, Switch & Related Parts, Pigtail Wiring Kit, Rear Lamp, Backup Lamp & Related Parts, Steering Wheel, Underbody Lighting, Visibility Light Group Wiring, Wire Connection Sleeve Kits & Crimping Tool, Wire Terminals, Wiring System - Body, Wiring System - Engine - L.H. & R.H., Wiring System - Engine Compartment, Wiring System - Instrument Panel, Wiring System - Power Door Locks, Windows & Related Parts, Wiring System - Trailer Tow Wiring) | Radiator & Grill (Air Deflector, Cooling Fan, Clutch & Related Parts, Cooling System & Related Parts, Radiator Grille & Related Parts, Water Pump, Thermostat Housing & Related Parts) | Rear Axle, Drive & Coupling Shafts (Driveshaft, Driveshafts, Locking, Rear Axle Mounted) | Seats and belts (Front Seat Parts, Front Seat Parts - Driver, Front Seat Parts - Lower Half - Driver, Front Seat Parts - Passenger, Front Seat Parts - Upper, Rear Seat Parts, Seat Belt Extension, Seat Belt Installation - Front Seat, Seat Belt Installation - Rear Seat) | SM Sheet metal (Plug Buttons - Upper Body, Sheet Metal - Body Front Structure, Sheet Metal - Body, Side, Quarter, Rear & Related Parts, Sheet Metal - Lower Body, Sheet Metal - Plug Buttons & Access Hole Covers, Sheet Metal - Roof) | Speedometer, Bumpers, Mirrors & Wipers (Front Bumper Parts, Mirror - Outside, Rear Bumper Parts, Rear Liftgate Washer, Wiper & Controls, Speedometer Cables, Tow Hooks, Windshield Wiper, Motor & Washer) | Wheels & Brakes (Brake Assembly - Disc Front, Brake Assembly - Rear Disc Brake & Related Parts, Brake Master Cylinder Assembly, Brake Pedal & Booster Installation, Brake System, Parking Brake System, R.A.B.S Control Module, Spare Wheel Carrier, Wheels & Related Parts)