OEM parts categories for 1998 Jeep Grand Cherokee: Air Conditioning & Heater (A/C Unit, Accumulator, Condenser & Lines, Air Conditioning Unit With ATC, Air Ducts & Outlets, Compressor Mounting, Compressor, Air Conditioning, Control, A/C, Heater Hoses) | Automatic Transmission (Bands, Bands, Reverse & Kickdown With Linkage, Case & Related, Case & Related Parts, Case Adapter, Clutch, Clutch, Front & Rear, Clutch, Front & Rear With Gear Train, Clutch, Overdrive With Gear Train, Controls, Gearshift, Controls, Gearshift, Floor Mounted, Extension, Gear Train, Gear Train & Intermediate Shaft, Gearshift Controls, Intermediate Shaft & Gear Train, Oil Pump With Reaction Shaft, Output Shaft And Gear Train, Parking Sprag, Servos - Accumulator Piston & Spring, Valve Body, Valve Body Servos) | Body - Sheet Metal Except Doors (Aperture Panel - Panels, Body Side, Fenders, Front, Glass, Backlite, Glass, Windshield, Quarter Window & Rear View Mirror, Hood, Latch And Hinges, Lift Door Latch & Hinges, Panels - Front End Inner & Wheelhouse, Panels - Rear Quarter, Pans, Floor, Plugs, Body, Roof Rack, Sunroof, Component Parts) | Cooling (Coolant Tank, Drive Belts, Drive Pulleys, Grille & Related Parts, Radiator & Related Parts, Transmission Oil Cooler & Lines, Water Pump & Related Parts) | Doors & Related Parts (Door, Front Glass & Regulators, Door, Front Lock & Controls, Door, Front Shell & Hinges, Door, Front Weatherstrips & Seal, Door, Rear Glass & Regulator, Door, Rear Lock & Controls, Door, Rear Shell & Hinges, Door, Rear Weatherstrip & Seals, Mirror Exterior) | Electrical (Alternator & Mounting, Battery Tray, Bulbs, Distributor, Junction Block - Relays, Fuses, And Circuit Breaks, Lamps - Fog, Lamps - Front, Lamps - Rear, Lamps Courtesy, Dome, Cargo, Power Distribution Center - Relays & Fuses, Powertrain Control Module, Sensors, Spark Plugs, Cables & Coils, Starter & Mounting, Switches & Sending Units, Wiring - Engine, Wiring Body & Accessory, Wiring Instrument Panel) | Emission Systems (Emission Control Vacuum Harness) | Engine (Camshaft & Valves, Crankcase Ventilation, Crankshaft, Piston & Torque Converter, Cylinder Block, Cylinder Head, Engine Oiling, Manifold - Intake & Exhaust, Timing Gear & Cover) | Engine Mounting (Engine Mounting, Front, Engine Mounting, Rear) | Exhaust (Exhaust System) | Exterior Ornamentation (Cladding & Sill Moldings, Decals, Moldings, Upper, Nameplates) | Frames And Bumpers (Bumper, Front, Bumper, Rear, Tow Eye & Hooks, Trailer Towing Hitch) | Front Suspension & Drive (Bar, Front Stabilizer Bar, Bar, Front Track, Differential - Front, Internal Parts, Housing - Front Axle, Shafts, Front Axle, Suspension - Front, Springs, Shocks, Control Arms) | Fuel (Air Cleaner, Air Intake System, Fuel Injection System, Fuel Lines, Front, Fuel Lines, Rear, Fuel Module, Fuel Tank, Fuel Tank Filler Tube, Speed Control, Throttle Body, Throttle Control) | Instrument Panel And Radios And Consoles (Cluster, Instrument Panel, Console, Overhead, Instrument Panel, Radio, Speakers) | Interior Trim (Cargo Cover & Cargo Loops, Front Seat, Headliner & Assist Handle, Insulation, Interior Trim Panels & Garnish Mouldings, Panels - Door Trim, Panels - Liftgate & Scuff Plate, Rear Seat, Recliner & Seat Track - Front Seat, Seat Belts, Front Seat, Sunvisors) | Parking Brake (Lever Assembly & Cables Parking Brake) | Propeller Shaft And Universal Joint (Propeller Shaft, Front, Propeller Shaft,Rear) | Rear Axle (Axle Assembly, Rear, Differential - Rear, Housing - Rear Axle, Shaft - Rear Axle) | Rear Suspension (Stabilizer - Rear & Track Bar, Suspension - Rear Springs Shocks) | Service Brakes (Booster, Brake Lines & Hoses, Front, Brake Lines & Hoses, Rear, Brake Pedals, Brakes, Rear, Front Brakes, Master Cylinder) | Speedometer Pinions (Speedometer Pinons) | Steering (Column, Steering Upper & Lower, Linkage & Damper, Power Steering Hoses, Steering Wheel) | Transfer Case Model (Case , Extensions And Miscellaneous Parts, Controls , Shift, Forks & Rail, Gear Train) | Wheels, Covers & Jacks (Spare Wheel, Inside Mounting, Wheel Covers & Caps, Wheels & Hardware) | Wiper & Lock Cylinder And Keys (Lock Cylinder & Keys, Rear Wipers & Washers, Windshield Wipers & Washers)