OEM parts categories for 1988 Dodge Ram Wagon: Automatic Transmission (Cable, Speedometer With Pinion And Adapter, Case & Related Parts, Clutch, Front & Rear With Gear Train, Clutch, Overdrive With Gear Train, Controls, Gearshift, Lower, Extension, Weight & Parking Sprag, Gear Train & Intermediate Shaft, Gear Train & Output Shaft, Governor & Output Shaft, Governor & Parking Sprag, Oil Pump With Reaction Shaft, Servo - Accumulator Piston & Spring, Valve Body) | B, T Van & Wagon (Adjusters & Riser, Bucket Seat, Belts - Seat Front, Belts - Seat Intermediate & Rear Seats, Panel - Door Trim Front And Cargo, Rear Seat) | Body - Doors And Related Parts (Door, Cargo Check Arm, Door, Front Complete, Door, Hinged Cargo, Door, Sliding Handle & Latch, Door, Sliding Shell, Glass, Hardware And Weatherstrip, Mirror - Exterior) | Body - Exterior Ornamentation (Mouldings & Ornamentation - Exterior View) | Body - Sheet Metal Except Doors (Fender Front, Housing, Panels Pillars Reinforcements & Extensions) | Brakes, Parking (Lever & Cables, Parking Brake) | Brakes, Service (Booster, Master Cylinder, Brake Pedal, Brakes, Front Disc, Brakes, Rear, Lines & Hoses, Brake, Vacuum Connectors & Hose Booster) | Clutch (Clutch, Controls, Hydraulic Clutch, Housing & Pan, Clutch) | Cooling (Coolant Reserve Tank, Drive Pulleys, Grille & Related Parts, Oil Cooler, Oil Cooler - Auxiliary, Radiator & Related Parts, Water Pump & Related Parts) | Electrical (Alternator & Mounting, Battery Tray, Bulb Cross Reference, Horn & Bracket, Insulators 3 Way, Lamps & Wiring (Front End), Lamps & Wiring (Rear End), Sockets & Cables, Switches - Relays - Solenoids - Sensors, Switches - Turn Signal & Hazard Warning) | Electrical - Instrument Panel And Consoles (Instrument Panel Cluster) | Emission Systems (Air Pump Silencer, Air Pump Tubing, EGR & Vapor Canister Hose Harness, EGR Hose Harness, EGR System, Emission Controls And Switches, Vapor Canister, Vapor Canister Hose Harness - Dual Canister) | Engine (Camshaft & Valves, Crankcase Ventilation, Crankshaft , Pistons And Torque Converter, Cylinder Block, Engine Mounting, Engine Oiling, Manifolds - Intake & Exhaust, Oil Pan & Engine Breather, Oil Pump & Oil Filter, Timing Belt & Covers & Intermediate Shaft & Indicator) | Exhaust (Exhaust System) | Frame & Bumpers (Bumper, Front, Bumper, Rear) | Front Suspension & Drive (Suspension - Front Arm & Steering Knuckle Upper Control, Suspension - Front Coil With Lower Control Arm & Sway Bar) | Fuel (Accelerator Pedal, Air Cleaner, Fresh Air Intake System, Fuel Filter, Fuel Line, Fuel Pump, Fuel Tank, Fuel Tank Filler Tube, Speed Control, Speed Control Cables, Throttle Body, Throttle Control) | Heater & Air Conditioning (Air Conditioner & Heater Unit, Compressor, Air Conditioning, Control, Air Conditioner, Controls, Heater, Heater Unit, Heater Unit - Plumbing, Plumbing - A/C & Heater, Plumbing - Auxiliary Rear A/C & Heater, Rear A/C & Heater Unit) | Manual Transmission (Cable, Speedometer With Pinion And Retainer, Gear Train, Overdrive, Transmission Case, Extension & Miscellaneous Parts) | Propeller Shaft And Universal Joint (Propeller Shaft Single And Universal Joint, Shaft Propeller Single And 2 Piece And Universal Joint) | Rear Axle (Axle, Rear, Axle, Rear, With Differential And Carrier, Vent, Axle Rear) | Rear Suspension (Suspension - Rear Leaf With Shock Absorber) | Steering (Column, Steering Upper With Tilt, Column, Steering, Lower Without Tilt, Column, Steering, Tilt Upper & Lower, Gear & Linkage, Steering, Power Steering Hoses - Pressure & Return, Power Steering Pump, Pump Mounting - Power Steering) | Wheels (Wheels & Hardware) | Wiper & Washers And Cylinder & Keys (Lock Cylinders, Windshield Wiper & Washer System)