OEM parts categories for 2012 Ram 4500: Air Conditioners & Heater (A/C & Heater Controls, A/C & Heater Unit, A/C & Heater Zone Unit, A/C Compressor, A/C Compressor Mounting, A/C Plumbing, A/C Urea Plumbing, Air Duct Exhauster, Ducts Front, Ducts Rear, Heater Plumbing, Heater Unit) | Automatic Transmission (Accumulator & Related Parts, B1 Brake Clutch, B2 Brake Clutch, Case, Case Adapter, Extension, F1 One Way Clutch, Gear Train - Hubs, Gearshift Lever, Cable And Bracket, K1 Clutch Assembly, K2 Clutch Assembly, K3 Clutch Assembly, Mounting Bolts, Mounting Covers And Shields, Number One Planetary Gear Set, Number Three Planetary Gear Set, Number Two Planetary Gear Set, Oil Filler, Oil Filler Tube & Related Parts, Oil Pan, Cover And Related Parts, Oil Pump & Related Parts, Oil Pump Serviceable Parts, Parking Sprag & Related Parts, Seal And Shim Packages, Sensors, Vents And Quick Connectors, Structural Collar, Torque Converter, Transmission / Transaxle Assembly, Valve Body & Related Parts, Valve Body Serviceable Parts) | Body - Sheet Metal Except Doors (Aperture Panel And Pillar Supports - Cab Back, Body Weatherstrips & Seals, Cowl, Dash Panel & Related Parts, Floor Pan, Floor Pan Plugs, Front Aperture Panel, Front Fender, Hood & Related Parts, Hood, Doors, Decklid, Tailgate, & Liftgate Plugs, Roof Panel) | 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 (Belts, Serpentine & V-Belts, Charge Air Cooler, Coolant Recovery Bottle, EGR Cooling System, Pulley & Related Parts, Radiator & Related Parts, Radiator Support, Thermostat & Related Parts, 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, Weatherstrips - Rear Door, Weatherstrips, Front Door) | Electrical (Antenna, Auxiliary PDC, Battery Tray & Support, Battery Wiring, Front Washer System, Generator/Alternator & Related Parts, Ground Straps, Horns, Instrument Cluster, Lamps - Rear, Lamps Roof, Lamps, Front, Lamps, Interior, Modules, Modules Instrument Panel, Modules, Engine Compartment, Modules, Receiver, Keys, And Key Fobs, Navigation System, Power Distribution Center, Power Inverter Outlet, Radio, Relay - Air Intake Heater, Remote Start, Satellite Radio, Sensors - Body, Sensors - Brakes, Sensors - Engine, Sensors - Exhaust & Oxygen, Sensors - Powertrain, Sensors Air Cleaner, Speakers & Amplifier, Speed Control, Starter & Related Parts, Switches - Instrument Panel, Switches - Steering Column & Wheel, Switches Body, Switches Door, Switches Powertrain, Switches Seat, Telecommunication System, Transmission Wiring, Wiper System Front, Wiring - A/C & Heater, Wiring - Engine, Wiring - Repairs, Wiring - Seats, Wiring Body, Wiring Chassis & Underbody, Wiring Doors, Wiring Headlamp To Dash, Wiring Instrument Panel) | Emission Controls (A/C Urea Plumbing, Diesel Exhaust Fluid Module & Doser, Diesel Exhaust Fluid System, EGR Controls, Vacuum Pump Plugs) | Engine (Camshaft And Valvetrain, Crankcase Ventilation, Crankshaft, Crankshaft Bearings, Damper And Flywheel, Cylinder Block And Hardware, Cylinder Head And Rocker Housing, Cylinder Head Cover, Engine Assembly And Service Long Block, Engine Cover Heat Shield, 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 Pump, Engine Oil, Engine Oil Filter And Adapter, Exhaust Manifold & Heat Shield, Intake Manifold, Lower Engine Gasket Kit, Pistons, Piston Rings, Connecting Rods & Connecting Rod Bearing, Timing Case Cover, Timing System, Turbocharger & Hoses / Tubes, Upper Engine Gasket Kit) | Exhaust (Differential Pressure System, Exhaust System, Exhaust System Heat Shields) | Exterior Ornamentation (Exterior Ornamentation, Grille, Molding Wheel Opening, Nameplates - Emblem & Medallions) | Frame, Bumper And Fascia (Body Hold Down, Bumper, Front, Frame, Tow Hooks, Front, Under Body Plates & Shields) | Front Axle; Differential And Drive Line (Axle Shafts, Differential Assembly, Front Axle Assembly, Housing , Axle, Housing And Vent, Shaft - Drive) | Front Suspension (Front Stabilizer Bar, Front Stabilizer Bar, Track, Suspension - Front) | Fuel (Accelerator Pedal, Air Cleaner, Fuel Filler Tube, Fuel Filter, Fuel Injection Plumbing, Fuel Injection Pump, Fuel Line, Fuel Lines, Fuel Pump Module, Fuel Tank, 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 Hardware - Bench, Crew Cab - Rear Seat Hardware - Split Seat, Crew Cab Rear Seat - Bench, Crew Cab Rear Seat - Split Seat, Floor Console, Front Door Trim Panel, Front Seat - Bucket, Front Seat - Split Seat, Headliners & Visors, Instrument Panel & Structure, Instrument Panel Trim, Interior Moldings And Pillars - Crew Cab, Interior Moldings And Pillars - Standard Cab, Load Floor - Cargo, Overhead Console, Rear Cab Trim Panel, Rear Door Trim Panel, Rear Storage Compartment, Silencers) | Labels (Engine Compartment, Exterior, Front Door, Label - Fuel Door, Label - Instrument Panel) | Manual Transmission (Case & Related Parts, Counter Shaft Assembly, Gear Shift Boot , Knob And Bezel, Gear Shift Lever, Gear Shift Switch , Motor And Actuator, 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 Front And Rear, Transfer Case Mounting & Venting, Transfer Case Shifting, Transmission / Transaxle Assembly, Transmission Support) | Mopar Accessories - Component Parts (Board Kit, Running - Cab, Navigation Kit, Remote Start, Step Kit) | Rear Axle; Differential And Drive Line (Differential Assembly, Housing & Vent, Rear Axle Assembly, Shaft - Drive, Shaft, Axle) | Rear Suspension (Stabilizer Bar - Rear, Suspension - Rear) | Restraints (Air Bag Modules Sensors & Clock Springs, Air Bags Front, Seat Belts Front, Seat Belts Rear) | Steering (Power Steering Hose, Power Steering Pump & Reservoir, Steering Column, Steering Gear Box, Steering Linkage, Steering Wheel Assembly) | Transfer Case (Case & Extension, Gear Shift Control Motor, Shift Fork & Rails, Transfer Case Assembly & Identification, Transfer Case Gear Train, Transfer Case Oil Pump, Transfer Case Shifting) | Wheels (Spare Tire Stowage, Wheel Covers & Center Caps, Wheels & Hardware)