OEM parts categories for 2012 Ram 3500 Pickup: Air Conditioners & Heater (A/C & Heater Controls, A/C & Heater Unit, A/C & Heater Unit Zone, A/C Compressor, A/C Compressor Mounting, A/C Plumbing, Air Duct Exhauster, Ducts Front, Ducts Rear, Heater Plumbing) | Automatic Transmission (2 & 4 Clutch, Case, Case Adapter, Extension, Gearshift Lever, Cable And Bracket, Input / Reverse Planetary, Input Clutch Assembly, Low / Reverse Clutch, Mounting Bolts, Mounting Covers And Shields, Oil Filler, Oil Filler Tube & Related Parts, Oil Pan, Cover And Related Parts, Oil Pump & Related Parts, Parking Sprag & Related Parts, Reaction Planetary, Seal And Shim Packages, Sensors, Vents And Quick Connectors, Structural Collar, Torque Converter, Transmission / Transaxle Assembly, Valve Body & Related Parts) | Body - Sheet Metal Except Doors (Aperture Panel And Pillar Supports - Cab Back, Bin Box, Body Weatherstrips & Seals, Cowl, Dash Panel & Related Parts, Floor Pan, Floor Pan Plugs, Front Aperture Panel, Front Fender, Fuel Filler Housing & Door, Hood & Related Parts, Hood, Doors, Decklid, Tailgate, & Liftgate Plugs, Pick Up Box, Pick Up Box Rail Caps, Pick-Up Box Crossmembers, Reinforcements, Pick-Up Box Plugs, Rear Wheelhouse Shields, Roof Panel, Sunroof Glass & Component Parts, Tailgate) | Brakes (Brake Master Cylinder, Brake Pedals, Brake Tubes & Hoses, Rear And Chassis, Brakes, Rear Disc, Front Brakes, Hydraulic Control Unit, Brake Tubes And Hoses, Front, Hydro-Booster, Power Brake, Park Brake Assembly, Rear Disc, Park Brake Cables, Rear, Park Brake Lever & Cables, Front) | Clutch (Clutch Assembly, Clutch Pedal, Controls, Hydraulic Clutch) | Cooling (Charge Air Cooler, Coolant Recovery Bottle, Drive Belts, EGR Cooling System, Pulley & Related Parts, Radiator & Related Parts, Radiator Support, Thermostat & Related Parts, Torque Convertor Cooler, Transmission Oil Cooler & Lines, Water Pump & Related Parts) | Doors, Door Mirrors And Related Parts (Front Door Lock Cylinders, Front Door, Hardware Components, Front Door, Shell & Hinges, Mirror, Exterior, Rear Door - Hardware Components, Rear Door - Shell & Hinges, Tailgate, Weatherstrips - Rear Door, Weatherstrips, Front Door) | Electrical (Alternator & Related Parts, Antenna, Battery Tray & Support, Battery Wiring, DVD & Video System, Front Washer System, Front Wiper System, Ground Straps, Horns, Instrument Cluster, Lamps - Rear, Lamps Dually Fenders & Tailgate, Lamps Interior & Courtesy, Lamps Roof, Lamps, Front, Lighting Rambo Storage, Modules, Modules Brakes, Suspension And Steering, Modules Instrument Panel, Modules, Engine Compartment, Navigation System, Park Assist, Power Distribution Center, Fuses & Relays, Power Inverter, Radios, Rear View Camera, Receiver Modules, Keys & Key Fob, Relay - Air Intake Heater, Remote Start, Satellite Radio System, Sensor, MAP, Sensors - Brakes, Sensors - Drivetrain, Sensors - Engine, Sensors - Exhaust & Oxygen, Sensors - Suspension & Steering, Sensors Air Cleaner, Sensors Body, Speakers & Amplifier, Speed Control, Starter & Related Parts, Switches, Switches - Instrument Panel, Switches - Steering Column & Wheel, Switches Body, Switches Door, Switches Powertrain, Switches Seat, Telecommunication, Wiring - A/C & Heater, Wiring - Repairs, Wiring - Seats, Wiring - Transmission, Wiring Body, Wiring Chassis & Underbody, Wiring Diesel Engine, Wiring Doors, Wiring Headlamp To Dash, Wiring Instrument Panel, Wiring Overhead) | Emission Controls (EGR System, Vacuum Pump Plugs) | Engine (Camshaft And Valvetrain, Crankcase Ventilation, Crankshaft, Crankshaft Bearings, Damper And Flywheel, Cylinder Head And Rocker Housing, Cylinder Head Cover, Engine Assembly And Service Long Block, Engine Cover Heat/Noise Shields, Engine Cylinder Block And Hardware, Engine Cylinder Block Heater, Engine Mounting Left Side, Engine Mounting Right Side, Engine Oil Cooler, Engine Oil Pan, Engine Oil Level Indicator And Related Parts, Engine Oil, Engine Oil Filter And Adapter, Engine Oiling Pump, Exhaust Manifold & Heat Shield, Intake Manifold & Air Intake Starting Aid, Lower Engine Gasket Kit, Pistons, Piston Rings, Connecting Rods & Connecting Rod Bearing, Timing Case Cover, Timing System, Turbocharger & Oil Lines/Hoses, Upper Engine Gasket Kit) | Exhaust (Differential Pressure System, Exhaust System, Exhaust System Heat Shield) | Exterior Ornamentation (Fender Guards, Grille, Molding Wheel Opening, Moldings Body, Nameplates - Emblem & Medallions, Spoilers) | Frame, Bumper And Fascia (Body Hold Down, Bumper, Front, Bumper, Rear, Frame, Complete, Tow Hooks & Hitches, Rear, Tow Hooks, Front, Underbody Plates & Shields) | Front Axle; Differential And Drive Line (Differential Assembly, Front Axle Assembly, Housing And Vent, Shaft , Axle, Shafts - Drive) | Front Suspension (Front Stabilizer Bar, Front Stabilizer Bar, Track, Suspension - Front) | Fuel (Accelerator Pedal, Air Cleaner, Fuel Filter, Fuel Injection Plumbing, Fuel Injection Pump, Fuel Line, Fuel Pump Module, Fuel Tank, Fuel Tank Filler Tube, Throttle Body) | Glass (Glass, Front Door, Glass, Rear Door, Mirror - Inside Rearview, Windshield & Back Glass) | Interior Trim (Adjusters, Recliners & Shields - Driver Seat, Adjusters, Recliners & Shields - Passenger Seat, Carpet, Complete, Cowl Side Panel & Scuff Plates, Crew Cab Rear Seat - Bench, Crew Cab Rear Seat - Split Seat, Crew Cab, Rear Seat Hardware, 60/40, Crew Cab, Rear Seat Hardware, Bench, Floor Console, Front Door Trim Panel, Front Seat - Bucket, Front Seat - Split Seat, Front Seats - Bucket, Headliners & Visors, Instrument Panel & Structure, Instrument Panel Trim, Interior Moldings And Pillars - Crew Cab, Interior Moldings And Pillars - Mega Cab, Interior Moldings And Pillars - Standard Cab, Load Floor, Cargo, Load Floor/Kneel & Table Position Cables, Mega Cab - Split Seat, Overhead Console, Rear Cab Trim Panel, Rear Door Trim Panel, Rear Storage Compartment, Silencers) | Labels (Decals Instrument Panel, Engine Compartment, Front Door, Fuel Decal) | Manual Transmission (Case & Related Parts, Counter Shaft Assembly, Gear Motor, Gear Shift Boot , Knob And Bezel, Gear Shift Lever, Gear Train, Input Shaft Assembly, Main Shaft Assembly, Mounting Bolts, Reverse Idler Shaft Assembly, Sensors , Switches And Vents, Shift Forks & Rails, Transfer Case Assembly And Identification, Transfer Case Mounting & Venting, Transfer Case Shifting, Transmission / Transaxle Assembly, Transmission Support) | Mopar Accessories - Component Parts (Board Kit, Running - Full, Camera - Back Up, Cover, Tonneau, Lock Kit, Tailgate, Media System, Media System Rear Entertainment, Navigation Kit, Remote Start, Step Kit, Tubular Side, Tool Box) | Rear Axle; Differential And Drive Line (Axle & Drive Shaft, Differential Assembly, Housing And Vent, Rear Axle Assembly) | Rear Suspension (Suspension - Rear) | Restraints (Air Bag Modules Impact Sensor & Clock Springs, Air Bags Front, Air Bags Side, Seat Belts - Front, Crew Cab, Seat Belts - Front, Mega Cab, Seat Belts - Front, Regular Cab, Seat Belts - Rear, Crew Cab And Mega Cab) | Steering (Gear Rack & Pinion, Power Steering Hose, Power Steering Pump & Reservoir, Steering Column Assembly, Steering Gear Box, Steering Linkage, Steering Wheel Assembly) | Transfer Case (Front Case Half, Gear Shift Control Motor, Rear Case Half & Extension, Shift Fork & Rails, Transfer Case Assembly & Identification, Transfer Case Gear Train, Transfer Case Oil Pump, Transfer Case Shifting) | Wheels (Emergency Kit, Jack Stowage, Spare Tire Stowage, Wheel Covers & Center Caps, Wheels & Hardware)