OEM parts categories for 2023 Audi A4 Allroad: A/C & Heating (A/C & Heater Control Units, A/C Compressor, A/C Condenser, A/C Evaporator Components, Air Conditioner, Automatic Temperature Controls, Blower Motor & Fan, Condenser, Compressor & Lines, Heater Components, Heater Core & Control Valve, HVAC Case, Switches & Sensors) | Air & Fuel Delivery (Cruise Control, Fuel Injection, Fuel Supply, Fuel System Components, Intake Manifold, Throttle Body, Turbocharger) | Belts & Cooling (Belts & Pulleys, Cooling System, Radiator, Water Pump, Cooling Fan, Hoses, Lines & Pipes, Intercooler, Radiator & Components, Trans Oil Cooler, Water Pump) | Body & Hardware (Aperture Panel, Hinge Pillar, Uniside, Bumper & Components - Front, Bumper & Components - Rear, Center Pillar & Rocker, Cluster & Switches, Instrument Panel, Console, Cowl, Dash Panel Components, Door & Components, Driver Seat Components, Ducts, Electrical Components - Front Bumper, Electrical Components - Rear Bumper, Fender & Components, Floor & Rails, Front Door, Gate & Hardware, Glass - Front Door, Glass - Lift Gate, Glass - Rear Door, Glass & Hardware - Quarter Panel, Glove Box, Grille & Components, Hood & Components, Information Labels, Inner Structure - Quarter Panel, Jack & Components, Lift Gate, Lock & Hardware, Outside Mirrors, Passenger Seat Components, Quarter Panel & Components, Radiator Support, Rear Body, Rear Door, Rear Floor & Rails, Rear Seat Components, Rear Spoiler, Roof & Components, Seat Belt, Sound System, Splash Shields, Structural Components & Rails, Sunroof, Under Cover & Splash Shields, Windshield Glass, Reveal Moldings, Wiper & Washer Components) | Brakes (Anti-Lock Brakes, Brake Components, Front Brakes, Hydraulic System, Parking Brake, Rear Brakes) | Charging & Starting (Alternator, Battery, Starter) | Driveline & Axles (Axle Shafts & Joints, Drive Axles, Rear Axle, Axle Shafts & Joints, Differential, Drive Axles, Propeller Shaft) | Electrical (ABS Components, Air Bag Components, Alarm System, Antenna & Radio, Anti-Theft Components, Communication System Components, Electrical Components, Front Door, Front Seat Belts, Fuel Door, Fuse & Relay, Heated Seats, Horn, Ignition Lock, Ignition System, Instruments & Gauges, Keyless Entry Components, Lane Departure Warning, Lift Gate, Mirrors, Navigation System, Parking Aid, Power Seats, Powertrain Control, Rear Door, Rear Seat Belts, Senders, Sunroof, Switches, Washer Components, Wipers, Wiring Harness) | Emission Control & Exhaust (Emission Components, Exhaust Components, Exhaust Manifold, Heat Shields) | Engine (Air Intake, Engine & Trans Mounting, Engine Appearance Cover, Engine Parts, Mounts, Cylinder Head & Valves, Camshaft & Timing, Variable Valve Timing, Oil Pan, Oil Pump, Balance Shafts, Crankshaft & Bearings, Pistons, Rings & Bearings, Transaxle Parts, Turbocharger & Components, Valve & Timing Covers) | Headlights & Lighting (Bulbs, Headlamp Components, Headlamps, Headlamp Washers/Wipers, License Lamps, Tail Lamps) | Interior & Exterior Trim (Exterior Trim - Fender, Exterior Trim - Front Door, Exterior Trim - Lift Gate, Exterior Trim - Pillars, Exterior Trim - Quarter Panel, Exterior Trim - Rear Door, Exterior Trim - Roof, Interior Trim - Front Door, Interior Trim - Lift Gate, Interior Trim - Pillars, Interior Trim - Quarter Panels, Interior Trim - Rear Body, Interior Trim - Rear Door, Interior Trim - Roof) | Maintenance & Lubrication (Filters) | Steering (Shroud, Switches & Levers, Steering Column & Wheel, Steering Gear & Linkage) | Suspension (Axle & Differential - Rear, Drive Axles - Front, Drive Axles - Rear, Drive Shaft - Rear, Front Suspension Components, Rear Suspension, Lower Control Arm, Upper Control Arm, Ride Control, Stabilizer Bar, Suspension Components, Shocks & Components - Rear, Stabilizer Bar & Components - Front, Struts & Components - Front, Suspension Components, Lower Control Arm, Ride Control, Stabilizer Bar, Suspension Mounting - Front, Suspension Mounting - Rear, Wheels, Covers & Trim) | Transmission (Automatic Transmission, Gear Shift Control - AT)