OEM parts categories for 1991 Dodge Ram 50: Automatic Transmission (Cable, Speedometer & Pinion, Clutch, Front & Rear With Gear Train, Clutch, Overdrive With Gear Train, Control, Shift - Transfer Case, Controls, Gearshift, Extension, Weight & Parking Sprag, Gear Train & Intermediate Shaft, Governor & Output Shaft, Mounting Bolts & Brackets, Oil Pump & Torque Converter, Servos - Accumulator Piston & Spring, Transmission Miscellaneous Attaching Parts, Valve Body) | Body - Doors And Related Parts (Door, Front Glass, Regulator & Handles, Door, Front Handles, Locks And Controls, Door, Front Shell, Hinges And Weatherstrips, Mirror - Exterior) | Body - Exterior Ornamentation (Mouldings) | Body - Miscellaneous (Lock Cylinders & Keys, Windshield Wiper & Washer System) | Body - Sheet Metal Except Doors (Cargo Box, Fender Front, Floor Pan & Dash Panel, Floor Pan & Sheet Metal, Fuel Filler Door, Hood & Hood Release, Luggage Box, Mud Guards - Protectors & Splash Shields, Plugs Silencers & Insulators, Sunroof & Side Window, Tailgate Latch & Attaching Parts) | Brakes, Parking (Controls, Parking Brake) | Brakes, Service (Booster, Power Brake, Brake Master Cylinder, Brake Pedal, Brake, Disc And Bearings, Front, Brake, Rear Drum, Front Brakes, Lines & Hoses - Rear, Modulator - Anti - Skid Brake System, Sensor - Anti-Skid Brake System) | Clutch (Clutch, Clutch Master Cylinder, Clutch Pedal, Controls, Clutch, Housing - Clutch & Mounting Bolts) | Cooling (Condenser Tanks, Drive Belts, Drive Pulleys, Grille & Related Parts, Oil Cooler Lines, Radiator & Related Parts, Water Hose & Pipe, Water Pump) | Electrical (Alternator, Attaching Parts - Wiring Harness, Battery Trays & Cables, Distributor, Horn - Relay - Flasher, Lamp - Dome, Lamps - Head & Front Exterior, Lamps - Rear Exterior, Mitsubishi Crossover, Starter, Switches - Turn Signal & Hazard Warning, Switches & Electrical Controls, Wiring Harness) | Electrical - Instrument Panel And Consoles (Antenna, Cluster, Instrument Panel, Console, Instrument Panel Ram, Power Ram, Radio & Speakers) | Emission Systems (EGR System, Vapor Canister) | Engine (Balance Shafts, Camshaft & Valves, Crankshaft & Piston, Cylinder Block, Cylinder Head & Cover, Engine Mounting, Engine Oil Cooler Tubes, Intake & Exhaust Manifold, Oil Pan & Timing Cover, Oil Pump & Oil Filter) | Exhaust (Exhaust System, Heat Shields - Exhaust) | Frame & Bumpers (Body Hold Down, Bumper, Front And Rear, Frame) | Front Suspension & Drive (Axle Shafts, Front, Differential - Front, Mounts & Axle Housing, Front Differential, Stabilizer - Front, Suspension - Front) | Fuel (Accelerator Linkage & Pedal, Air Cleaner, Fuel Filter, Fuel Lines, Fuel Pump & Sending Unit, Fuel Rail & Related Parts, Fuel Tank, Fuel Tank Filler Tube, Speed Control, Throttle Body) | Heater & Air Conditioning (Air Conditioner Unit, Air Ducts & Outlets, Compressor, Air Conditioner, Control, Heater, Heater Unit & Heater Plumbing, Mounting - A/C Compressor, Plumbing - A/C, Rear Duct & Garnish Air Outlet, Wiring Harness) | Manual Transmission (Case & Adapter, Case & Miscellaneous Parts, Control, Shift, Control, Shift - Transfer Case, Controls, Gearshift, Extension, Speedometer Cable & Pinion, Gear Train, Power Train Transfer Case) | Pick-Up (B-Pillar & Back Panel Trim, Belt - Front Seat, Carpet & Scuff Plates, Cowl Panel & Silencers, Door Trim Panel, Front Seat, Front Seat Bucket, Headliner, Mouldings, Visor & Assist Strap, Parcel Straps) | Propeller Shaft And Universal Joint (Propeller Shaft Front & Rear & Universal Joint) | Rear Axle (Axle, Rear Housing And Shaft, Differential - With Limited Slip, Differential - Without Limited Slip) | Rear Suspension (Suspension - Rear) | Steering (Column, Steering, Gear - Manual Steering, Gear - Power Steering, Hose & Attaching Parts - Power Steering, Linkage, Steering, Power Steering Pump, Steering Wheel) | Wheels (Spare Tire Carrier, Wheels & Covers)