OEM parts categories for 2008 Audi A4: A C Compressor (A C Compressor) | A/C & Heating (A/C & Heater Control Units, A/C Condenser, Compressor & Lines, A/C Evaporator & Heater Components, Air Conditioner, Automatic Temperature Controls, Blower Motor & Fan, Heater Core & Control Valve, HVAC Case, Switches & Sensors) | Abs Components (Abs Components) | Air & Fuel Delivery (Air Inlet Controls, Air Intake, Cruise Control System, Fuel Injection, Fuel Supply, Fuel System Components, Intake Manifold, Intercooler, Throttle Body, Turbocharger) | Aperture Panel (Aperture Panel) | Belts & Cooling (Belts & Pulleys, Cooling System, Radiator, Water Pump, Cooling Fan, Hoses, Lines & Pipes, Intercooler, Radiator & Components, Water Pump) | Belts Pulleys Belts (Belts Pulleys Belts) | Blower Motor Fan (Blower Motor Fan) | Body & Hardware (Aperture Panel, Center Pillar & Rocker, Hinge Pillar, Back Glass, Cluster & Switches, Console, Cowl, Dash Panel Components, Door - Glass & Hardware, Door - Lock & Hardware, Door & Components, Ducts, Fender & Components, Exterior Trim, Frame & Components - Convertible Top, Front Bumper, Front Door, Front Door - Glass & Hardware, Front Door - Lock & Hardware, Front Seat Components, Glove Box, Grille & Components, Hinge Pillar, Hood & Components, Information Labels, Inner Structure - Quarter Panel, Instrument Panel, Motor & Components, Outside Mirrors, Pillars, Rocker & Floor - Floor & Rails, Quarter Panel - Glass & Hardware, Quarter Panel & Components, Radiator Support, Rear Body, Rear Body - Floor & Rails, Rear Bumper, Rear Door, Rear Door - Glass & Hardware, Rear Door - Lock & Hardware, Rear Seat Components, Rear Spoiler, Roof & Components, Seat Belt, Sound System, Splash Shields, Stowage Compartment, Structural Components & Rails, Sunroof, Top Cover & Components, Tracks & Components, Trunk, Trunk Lid, Windshield Glass, Reveal Moldings, Windshield Header & Components, Wiper & Washer Components) | Brakes (Anti-Lock Brakes, Brake Components, Front Brakes, Hydraulic System, Parking Brake, Rear Brakes, Traction Control Components) | Bumper Components Front (Bumper Components Front) | Bumper Components Rear (Bumper Components Rear) | Camshaft Timing (Camshaft Timing) | Charging & Starting (Alternator, Battery, Starter) | Convertible Top (Convertible Top) | Cooling Fan (Cooling Fan) | Crankshaft Bearings (Crankshaft Bearings) | Cruise Control System (Cruise Control System) | Differential Rear (Differential Rear) | Door (Door) | Door Components (Door Components) | Driveline & Axles (Front Axle Shafts & Joints, Drive Axles, Rear Axle Shafts & Joints, Differential, Drive Axles) | Electrical (ABS Components, Air Bag Components, Alarm System, Antenna & Radio, Anti-Theft Components, Convertible Top, Door & Components, Electrical Components, Front Seat Belts, Fuel Door, Fuse & Relay, Heated Seats, Horn, Ignition Lock, Ignition System, Instruments & Gauges, Mirrors, Navigation System, Parking Aid, Power Seats, Powertrain Control, Quarter Window, Rear Seat Belts, Senders, Starter, Switches, Tire Pressure Monitoring, Trunk, Washer Components, Wiper & Washer Components) | Emission Control & Exhaust (Emission Components, Exhaust Components, Exhaust Manifold) | Emission System (Emission System) | Engine (Engine, Engine & Trans Mounting, Engine Appearance Cover, Engine Parts, Mounts, Cylinder Head & Valves, Variable Valve Timing, Oil Pan, Oil Pump, Crankshaft & Bearings, Pistons, Rings & Bearings, Transaxle Parts, Turbocharger) | Engine Mounting (Engine Mounting) | Engine Parts (Engine Parts) | Exterior Trim Pillars (Exterior Trim Pillars) | Exterior Trim Trunk (Exterior Trim Trunk) | Fender Components (Fender Components) | Floor Rails (Floor Rails) | Front Axle (Front Axle) | Front Suspension Components (Front Suspension Components) | Fuel Door (Fuel Door) | Glass Door (Glass Door) | Glass Hardware Back Glass (Glass Hardware Back Glass) | Glass Hardware Quarter Panel (Glass Hardware Quarter Panel) | Glass Windshield (Glass Windshield) | Headlamp Components (Headlamp Components) | Headlights & Lighting (Bulbs, Chassis Electrical - Fog Lamps, Front Lamps - Fog Lamps, Headlamps, Headlamp Washers/Wipers, High Mount Lamps, License Lamps, Side Marker Lamps, Side Repeater Lamps, Tail Lamps) | Hood Components (Hood Components) | Intercooler Air (Intercooler Air) | Interior & Exterior Trim (Covers & Trim - Top, Exterior Trim - Door, Exterior Trim - Front Door, Exterior Trim - Pillars, Rocker & Floor, Exterior Trim - Quarter Panel, Exterior Trim - Rear Door, Exterior Trim - Roof, Exterior Trim - Trunk Lid, Fender & Components, Exterior Trim, Interior Trim - Convertible Top, Interior Trim - Door, Interior Trim - Front Door, Interior Trim - Pillars, Rocker & Floor, Interior Trim - Quarter Panels, Interior Trim - Rear Body, Interior Trim - Rear Door, Interior Trim - Roof, Interior Trim - Trunk Lid) | Interior Trim Pillars (Interior Trim Pillars) | Interior Trim Top (Interior Trim Top) | Interior Trim Trunk (Interior Trim Trunk) | Lower Control Arm Rear (Lower Control Arm Rear) | Maintenance & Lubrication (Automatic Transmission, Belts & Pulleys, Filters) | Mirrors (Mirrors) | P S Pump Hoses (P S Pump Hoses) | Powertrain Control (Powertrain Control) | Radiator Support (Radiator Support) | Rear Axle (Rear Axle) | Rear Floor Rails (Rear Floor Rails) | Rear Suspension Components (Rear Suspension Components) | Shocks Components (Shocks Components) | Shroud Switches Levers (Shroud Switches Levers) | Splash Shields (Splash Shields) | Stabilizer Bar Components (Stabilizer Bar Components) | Starter (Starter) | Steering (P/S Pump & Hoses, Steering Gear & Linkage, Steering Column & Wheel, Steering Gear & Linkage, Shroud, Switches & Levers) | Steering Column (Steering Column) | Steering Gear Linkage Steering (Steering Gear Linkage Steering) | Steering Wheel Trim (Steering Wheel Trim) | Struts Components (Struts Components) | Sunroof (Sunroof) | Supplemental Restraint System (Supplemental Restraint System) | Suspension (Axle & Differential - Rear, Drive Axles - Front, Drive Axles - Rear, Front Suspension Components, Lower Control Arm, Upper Control Arm, Stabilizer Bar, Rear Suspension Components, Lower Control Arm, Upper Control Arm, Stabilizer Bar, Shocks & Components - Rear, Stabilizer Bar & Components - Front, Struts & Components - Front, Suspension Mounting - Front, Wheels, Covers & Trim) | Tire Pressure Monitoring (Tire Pressure Monitoring) | Traction Control (Traction Control) | Transmission (Automatic Transmission, Gear Shift Control - AT, Transfer Case) | Trunk (Trunk) | Wheel Covers Trim (Wheel Covers Trim) | Wheels (Wheels) | Wiper Washer Components (Wiper Washer Components)