OEM parts categories for 2012 Ram 3500 Cab Chassis: 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, A/C Urea Plumbing, Air Duct Exhauster, Ducts Front, Ducts Rear, Heater Plumbing, Heater Unit) | Automatic Transmission (2 & 4 Clutch, Accumulator & Related Parts, B1 Brake Clutch, B2 Brake Clutch, Case, Case Adapter, F1 One Way Clutch, Gear Train - Hubs, Gearshift Lever , Cable And Bracket, Input / Reverse Planetary, Input Clutch Assembly, K1 Clutch Assembly, K2 Clutch Assembly, K3 Clutch Assembly, Low / Reverse Clutch, 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, 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, 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 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, Pedal, Brake, Power Adjustable, Pedal, Brake, Standard) | 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 (Alternator & Related Parts, Antenna, Auxiliary PDC, Battery Tray & Support, Battery Wiring, Front Washer System, Front Wiper System, Generator/Alternator & Related Parts, Ground Straps, Horns, Ignition Spark Plugs, Coils, Instrument Cluster, Lamps - Rear, Lamps Interior, Lamps Roof, Lamps, Front, Modules, Modules Instrument Panel, Modules, Engine Compartment, Navigation System, Oxygen Sensors, Power Distribution Center Relay & Fuses, Power Inverter Outlet, Radio, Receiver Modules, Keys & Key Fob, Relay - Air Intake Heater, Remote Start, Satellite Radio System, Sensors - Brakes, Sensors - Drivetrain, Sensors - Exhaust & Oxygen, Sensors Air Cleaner, Sensors Body, Sensors, Engine, Speakers & Amplifier, Speed Control, Starter & Related Parts, Switches, Switches - Instrument Panel, Switches - Steering Column & Wheel, Switches Body, Switches Door, Switches Powertrain, Switches Seat, Telecommunication System, Wiring - A/C & Heater, Wiring - Engine, Wiring - Repairs, Wiring - Seats, Wiring - Transmission, Wiring Body, Wiring Chassis & Underbody, Wiring Doors, Wiring Headlamp To Dash, Wiring Instrument Panel) | Emission Controls (Diesel Exhaust Fluid Module & Doser, Diesel Exhaust Fluid System, EGR Controls, Emission Control Vacuum Harness, Vacuum Canister & Leak Detection, Vacuum Pump Plugs) | Engine (Camshaft & Valvetrain, Crankcase Ventilation, Crankshaft , Crankshaft Bearings , Damper And Flywheel, Cylinder Head & Cover & Rocker Housing, Engine Assembly & Service, Engine Cover Heat Shield, Engine Cylinder Block And Hardware, Engine Cylinder Block Heater, Engine Gasket / Install Kits, Engine Mounting Left Side, Engine Mounting Right Side, Engine Oil , Engine Oil Filter And Adapter, Engine Oil Cooler, Engine Oil Pan & Engine Oil Level Indicator & Related Parts, Engine Oil Pump, Exhaust Manifolds & Heat Shields, Intake Manifold, Pistons , Piston Rings , Connecting Rods & Connecting Rod Bearing, Timing Case Cover, Timing System, Turbocharger & Oil Lines / Hoses) | Exhaust (Differential Pressure System, Exhaust System, Exhaust System Heat Shield) | Exterior Ornamentation (Fender Guards, Grille, Molding Wheel Opening, Moldings Body, Nameplates - Emblem & Medallions) | Frame, Bumper And Fascia (Body Hold Down, Bumper, Front, Frame, Complete, Tow Hooks, Front, Under Body Plates & Shields) | Front Axle; Differential And Drive Line (Axle Shafts, Differential Assembly, Front Axle Assembly, Housing And Vent, Shaft - Axle, Shaft - 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 Lines, Front, Fuel Lines, Rear, Fuel Pump Module, Fuel Rail, 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 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, Front Door, Fuel Decal, 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 & Identification, Transfer Case Mounting & Venting, Transfer Case Shifting, Transmission / Transaxle Assembly, Transmission Support) | Mopar Accessories - Component Parts (Board Kit, Running - Cab, Heater Kit - Engine Block, Navigation Kit, Remote Start, Step Kit) | Rear Axle; Differential And Drive Line (Differential Assembly , Rear, Drive Shaft, Housing And Vent , Rear Axle, Rear Axle Assembly, Shaft - Axle) | Rear Suspension (Stabilizer Bar - Rear, Suspension - Rear) | Restraints (Air Bag Modules Impact Sensor & Clock Springs, Air Bags Front, Seat Belts - Front, Crew Cab, Seat Belts - Front, Regular Cab, Seat Belts - Rear, Crew Cab) | Steering (Power Steering Hose, Power Steering Pump & Reservoir, Steering Column, 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 (Jack Assembly & Tools, Spare Tire Stowage, Wheel Covers & Center Caps, Wheels & Hardware)