OEM parts categories for 2020 Audi A4 Allroad: A/C & Heating (A/C & Heater Control Units, A/C Condenser, Compressor & Lines, A/C Evaporator Components, Air Conditioner, Automatic Temperature Controls, Blower Motor & Fan, Heater Components, Heater Core & Control Valve, HVAC Case, Switches & Sensors) | Air & Fuel Delivery (Air Intake, Cruise Control, Fuel Injection, Fuel Supply, Fuel System Components, Intake Manifold, Intercooler, Throttle Body, Turbocharger) | Belts & Cooling (Belts & Pulleys, Cooling System, Radiator, Water Pump, Cooling Fan, Hoses & Lines, 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, Front Door Glass & Hardware, Gate & Hardware, Glass - Lift Gate, 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, Starter, Sunroof, Switches, Washer Components, Wipers, Wiring Harness) | Emission Control & Exhaust (Emission Components, Exhaust Components, Exhaust Manifold, Heat Shields) | Engine (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 (Automatic Transmission, Belts & Pulleys, 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 Components, Lower Control Arm, Upper Control Arm, Ride Control, Stabilizer Bar, 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)