OEM parts categories for 2018 Ram 1500: Air Conditioners & Heater (A/C & Heater Controls, A/C & Heater Unit, A/C & Heater Unit Auto Temperature Control, 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, Case And Attaching Parts, 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, Filter , Cover And Related Parts, Oil Pump & Related Parts, Parking Sprag & Related Parts, Reaction Planetary, Sensors , Vents And Quick Connectors, Structural Collar, Torque Converter, Transmission / Transaxle Assembly, Transmission Support, Valve Body & Related Parts) | Body - Sheet Metal Except Doors (Aperture Panel And Pillar Supports - Cab Back, Bed Extender Cylinder & Key, Body Weatherstrips & Seals, Cowl, Dash Panel & Related Parts, Floor Pan, Floor Pan Plugs, Front Aperture Panel, Front Fender, Front Floor Pan, Fuel Filler Housing & Door, Hood & Related Parts, Hood, Doors, Decklid, Tailgate, & Liftgate Plugs, Panel - Roof, Pick Up Box Crossmember, Pick-Up Box, Pick-Up Box With Ram Box, Pick-Up Box, Rail Caps, Plugs - Pick Up Box, Ram Box, Ram Box Divider / Extender, Rear Wheelhouse Shields, Sunroof Glass & Component Parts, Tailgate, Tonneau Cover) | Brakes (Booster, Vacuum Power Brake, Brake Master Cylinder, Brake Pedals, Brake Tubes & Hoses, Rear And Chassis, Brakes, Rear, Disc, Front Brakes, Hcu, Brake Tubes And Hoses, Front, Park Brake Assembly, Rear Disc, Park Brake Cables, Rear, Park Brake Lever & Cables, Front) | Conversion And Upfit Packages (Conversion Kit, Appearance, Conversion Kit, Drop-In Bedliner, Conversion Kit, Interior, Mossy Oak - Exterior) | Cooling (Belts, Serpentine & V-Belts, Charge Air Cooler, Coolant Recovery Bottle, Coolant Tubes, EGR Cooling System, Pulley & Related Parts, Radiator & Related Parts, Radiator Seals, Shields, Shrouds, And Baffles, Radiator Support, Thermostat, Transmission Heater, Transmission Oil Cooler & Lines, Turbocharger Cooling System, Water Pump & Related Parts) | Doors, Door Mirrors And Related Parts (Front Door Lock Cylinders, Front Door, Hardware Components, Front Door, Shell & Hinges, Latch And Clips, Mirror, Exterior, Rear Door - Hardware Components, Rear Door - Shell & Hinges, Weatherstrips - Front Door, Weatherstrips - Rear Door) | Electrical (Antenna, Battery, Tray, And Support, CD/DVD Players, Center, Intelligent Power Distribution, Cluster, Instrument Panel, Controller, Body, Front Washer System, Front Wiper System, Generator/Alternator, Glow Plug, Ground Straps, Horns, Lamps - Rear, Lamps, Fog, Lamps, Head, Lamps, Outside Mirror, Lamps, Ram Box Storage, Lamps, Truck Bed, Lighting, Interior, Module, ABS Control, Module, Door Control, Module, Engine Control, Module, Fuel Pump Control, Module, Gateway, Module, Glow Plug & Engine Control, Module, Heater Control, Module, Keyless Entry, Module, Park Assist Module, Module, Power Inverter, Module, Ride Height Leveling System, Module, Towing Control, Module, Transfer Case Control, Module, Vehicle Systems Interface, Modules, Memory Seat, Mirror & Heated Seat, Modules, Overhead, Navigation Systems, Outlets, Dash & Console Power, Oxygen Sensors, Park Assist, Front, Park Assist, Rear, Parts, Lamp Service, Radios & Center Stack, Rear Camera System, Satellite Radio System, Sensor, Air Suspension Compressor Temperature, Sensor, Ambient Temperature, Sensor, Cabin Air Temperature, Sensor, Evaporative System Integrity, Sensor, Fuel Supply, Sensor, Rain, Sensor, Seat Belt Reminder, Sensor, Sun & Humidity, Sensor, Tire Pressure, Sensors - Nitrous Oxide, Sensors, Anti-Lock Brake, Sensors, Engine, Sensors, Impact, Sensors, Oxygen & Exhaust Temp, Sensors, Ride Height Leveling System, Sensors, Steering & Brake Pedal, Spark Plugs & Ignition Coil, Spark Plugs, Coils, And Capacitor, Speakers, Amplifiers, And Microphones, Start, Remote, Starter, Switch, Bed Lamp, Switch, Clockspring, Turn Signal, Wiper & Brake Pedal, Switch, Glove Box Lamp, Switch, Headlamp, Switch, Hood, Switch, Ignition, Switch, Ram Box, Switch, Rear Sliding & Sun Roof, Switch. Speed Control, Switches - Door, Switches, Center Stack, Transfer Case & Accessory, Switches, Front Power Seat, Switches, Steering Wheel, U Connect Media & Charging Center, Wiring - A/C & Heater, Wiring - Body, Wiring - Chassis & Underbody, Wiring - Console, Wiring - Doors, Wiring - Engine & Transmission, Wiring - Front Seats, Wiring - Headlamp To Dash, Wiring - Instrument Panel, Wiring - Overhead, Wiring - Rear Seats, Wiring - Repairs, Wiring, Battery) | Emission Controls (Diesel Exhaust Fluid System, EGR System, Emission Control Vacuum Harness, Vacuum Pump Vacuum Harness, Vapor Canister & Leak Detection Pump) | Engine (Camshafts & Valvetrain, Crankcase Ventilation, Crankshaft , Crankshaft Bearings , Damper And Flywheel, Cylinder Block And Hardware, Cylinder Head & Cover, Engine Assembly And Service Long Block, Engine Cover & Related Parts, Engine Cylinder Block And Hardware, Engine Cylinder Block Heater, Engine Gasket / Install Kits, Engine Mounting Left Side, Engine Mounting Right Side, Engine Oil Filter & Housing & Adapter / Oil Cooler , Adapter & Hoses / Tubes, Engine Oil Pan , Engine Oil Level Indicator And Related Parts, Engine Oil Pump, Exhaust Manifolds And Heat Shields, Intake Manifold, Intake Manifold Plenum, Lower Intake Manifold, Pistons , Piston Rings , Connecting Rods And Bearings, Timing Case Cover, Timing System, Turbocharger And Oil Lines / Hoses) | Exhaust (Differential Exhaust Pressure System, Exhaust System, Exhaust System Heat Shield, Exhaust System Single) | Exterior Ornamentation (Exterior Ornamentation, Grille, Nameplates, Emblems, Medallions & Decal, Spoilers, Step, Body Side) | Frame, Bumper And Fascia (Body Hold Down, Bumper, Front, Bumper, Rear, Fascia, Front, Frame, Complete, Tow Hooks & Hitches, Rear, Tow Hooks, Front, Underbody Plates & Shields) | Front Axle; Differential And Drive Line (Axle Assembly And Components, Front Axle Assembly, Front Axle Disconnect, Shaft - Drive, Shaft, Axle) | Front Suspension (Air Supply Lines, Air Suspension Reservoir Assembly, Compressor Assembly - Air Suspension, Front Stabilizer Bar, Suspension - Front) | Fuel (Accelerator Pedal, Air Cleaner, Fuel Filter And Water Separator, Fuel Injection Pump, Fuel Lines Chassis, Fuel Lines, Front, Fuel Lines, Rear, Fuel Pump Module, Fuel Rail & Injectors, Fuel Tank, Fuel Tank Filler Tube, Throttle Body) | Glass (Front Door, Mirrors - Inside Rear View, Rear Door, 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 - 60/40 Split Seat, Crew Cab Rear Seat - Bench, Crew Cab, Rear Seat Hardware, 60/40, Crew Cab, Rear Seat Hardware, Bench, Floor Cargo Storage, Floor Console, Folding Load Floor, Front Door Trim Panel, Front Seat, Front Seat - Center Seat Section, Headliners & Visors, Instrument Panel & Structure, Instrument Panel Trim, Interior Moldings And Pillars - Standard Cab, Interior Moldings And Pillars Quad And Crew Cab, Overhead Console, Quad Cab Rear Seat, Quad Cab Rear Seat - Bench, Quad Cab, Rear Seat Hardware, Quad Cab, Rear Seat Hardware, Bench, Rear Cab Trim Panel, Rear Door Trim Panel, Rear Storage Compartment, Silencers) | Labels (Engine Compartment, Fuel Decal, Hood, Instrument Panel) | Mopar Accessories - Component Parts (Bedliner, Under Rail, Board Kit, Running - Full, Camera, Back Up, Cap Kit, Wheel Center, Decal Kit, Hood And Body, Electronic Trailer Brake Kit, Exhaust Tip, Extender Kit, Pick Up Bed, Hood, Hook Kit - Tow, Light Kit, Cargo, Mirror Kit, Trailer Tow, Molding Kit, Body Side, Molding Kit, Wheel Flares, Plate Kit, Skid, Remote Start, Step Kit, Tubular Side, Tonneau Cover, Folding, Tonneau Cover, Soft, Tool Box, Touch Up Paint, Wheel Kit) | Rear Axle; Differential And Drive Line (Differential Assembly, Housing And Vent, Rear Axle Assembly, Shaft - Drive, Shaft, Axle) | Rear Suspension (Stabilizer Bar - Rear, Suspension - Rear, Track Bar, Rear) | Restraints (Air Bag Modules Impact Sensor & Clock Springs, Air Bags - Front, Air Bags - Side, Seat Belts - Front, Crew Cab, Seat Belts - Front, Quad Cab, Seat Belts - Front, Regular Cab, Seat Belts - Rear, Crew Cab, Seat Belts - Rear, Quad Cab) | Steering (Gear Rack & Pinion, Steering Column, Steering Wheel Assembly) | Transfer Case (Case - Rear, Case Front Half, Forks & Rail, Gear Train, Gearshift Control Motor, Oil Pump, Transfer Case Assembly, Transfer Case Mounting & Venting) | Wheels (Emergency Kit, Jack Assembly, Spare Tire Stowage, Tire Pressure Monitor System, Wheel Covers & Center Caps, Wheels & Hardware, Wheels, Hardware And Inserts)