OEM parts categories for 1988 Dodge Diplomat: Automatic Transmission (Cables And Pinion, Speedometer, Clutch, Front & Rear With Gear Train, Controls, Gearshift, Lower With Column Shift, Gear Train & Output Shaft, Oil Pump With Reaction Shaft, Servos - Accumulator Piston & Spring, Transmission With Case & Extension, Valve Body) | Body (Belt - Front Seat Lap And Shoulder, Belt - Rear Seat Lap, Front Seat, Headliner-Visor & Shelf Panel, Rear Seat, Seat - Front Fleet - Police & Others, Seat - Rear Fleet Police & Others) | Body - Doors And Related Parts (Door, Front Glass & Regulator, Door, Front Shell, Handle, Lock And Controls, Door, Rear Glass & Regulator, Door, Rear Shell, Handle & Control) | Body - Exterior Ornamentation (Mouldings & Ornamentation - Exterior View) | Body - Sheet Metal Except Doors (Bumpers & Plugs Deck Lid, Bumpers & Plugs, Fender, Hood, Deck Lid, Deck Opening Panel, Fender & Shield, Hood, Plugs - Body Side, Plugs Cowl And Dash) | Brakes, Parking (Cables, Parking Brake) | Brakes, Service (Booster, Power Brake, Brake Pedal, Brakes, Front, Brakes, Rear, Lines & Hoses, Brake) | Cooling (Coolant Reserve Tank, Drive Pulleys, Oil Cooler, Oil Cooler - Auxiliary, Water Pump & Related Parts) | Electrical (Alternator & Mounting, Battery Tray, Bulb Cross Reference, Bulkhead Connectors & Components, Lamps & Wiring - Rear, Relays, Sensors, Sockets & Cables, Switches, Switches - Turn Signal & Hazard Warning, Wiring Harness Repair Crimp Pkg.-Fusible Link Pkg.-Heat Shrink Tube) | Electrical - Instrument Panel And Consoles (Instrument Panel Carrier & Switches, Instrument Panel Cluster) | Emission Systems (Air Pump, Air Pump Tubing, EGR Hose Harness, EGR System, Emission Hose Harness, Vapor Canister, Vapor Canister Hose Harness) | Engine (Camshaft & Valves, Crankcase Ventilation & Oil Filler, Crankshaft & Piston, Engine Mounting, Engine Oil Cooler, External Components, Oil Pan, Oil Pump & Oil Filter) | Exhaust (Exhaust System, Heat Shields - Exhaust) | Frame & Bumpers (Frame) | Fuel (Air Cleaner, Carburetor Fuel Filter & Related Parts, Fuel Lines, Fuel Rail & Related Parts, Fuel Tank & Fuel Filler, Fuel Tank Sending Unit, Speed Control, Speed Control Cables, Throttle Body, Throttle Control) | Heater & Air Conditioning (A/C Compressor, Air Conditioning & Heater Unit, Controls, Heater, Heater Unit, Plumbing - A/C & Heater, Plumbing - Heater) | Propeller Shaft (Propeller Shaft & Universal Joint) | Rear Axle (Axle, Rear, With Differential And Carrier) | Rear Suspension (Suspension - Rear) | Steering (Column, Steering, Lower Without Tilt, Column, Steering, Upper With Tilt, Power Steering Hoses, Power Steering Pump & Attaching Parts, Power Steering Pump, Pulley, Brackets) | Wheels (Wheel Miscellaneous, Wheels & Covers) | Wiper & Washers And Cylinder & Keys (Lock Cylinders, Windshield Wiper System)