AUDI A3 Parts Catalogue & Aftermarket Supplier

The Audi A3 is a compact premium vehicle built mainly on the Volkswagen Group MQB platform. Parts compatibility varies by model year, engine code, drivetrain (FWD or Quattro), and market specification. Accurate matching is typically done using VIN or engine identification.

1. Engine System (Engine Parts)
Audi A3 models are equipped with a range of TFSI and TDI engines, including 1.0T, 1.4T, 1.5T, 1.8T, and 2.0T petrol engines, as well as 1.6 and 2.0 diesel variants.
Key engine components include the cylinder block, cylinder head, pistons and piston rings, connecting rods, crankshaft, camshafts, intake and exhaust valves, valve springs, hydraulic lifters, timing chain or timing belt kits, guides, tensioners, oil pump, and oil pan.
Air intake and fuel delivery systems consist of the turbocharger, intercooler, intake manifold, throttle body, high-pressure fuel pump, fuel injectors, ignition coils, spark plugs for TFSI engines, glow plugs for TDI engines, and related sensors.

2. Transmission & Drivetrain
The Audi A3 is commonly available with a 6-speed manual gearbox or a 7-speed DSG (S tronic) dual-clutch transmission.
Main transmission parts include clutch kits, pressure plates, dual-mass flywheels, release bearings, shift mechanisms, and gearbox housings.
DSG systems use dedicated components such as dual clutch packs, mechatronic control units, hydraulic pumps, valve bodies, transmission filters, and specified transmission fluid.
Drivetrain components include drive shafts, CV joints, wheel hubs, wheel bearings, and rear differentials on Quattro models.

3. Chassis & Suspension System
The front suspension typically uses a MacPherson strut design, while the rear suspension may be a torsion beam or multi-link configuration depending on the model and engine output.
Key parts include shock absorbers, coil springs, strut mounts, bearings, control arms, rubber bushings, ball joints, stabilizer bars, stabilizer links, and subframe components.
The steering system features electric power steering (EPS) racks, inner and outer tie rods, and steering-related linkages.

4. Brake System
The braking system consists of front and rear brake discs (rotors), brake calipers, caliper carriers, brake pads, wear sensors, brake hoses, and brake lines.
Electronic brake components include the ABS/ESP hydraulic unit, wheel speed sensors, brake master cylinder, brake booster, and electronic parking brake actuators on selected models.

5. Cooling & HVAC System
The engine cooling system includes the radiator, cooling fan assemblies, water pump, thermostat, coolant hoses, expansion tank, and temperature sensors.
The air conditioning system is made up of the AC compressor, condenser, evaporator, heater core, blower motor, cabin air filter, and climate control valves.

6. Fuel & Exhaust System
Fuel system components include the fuel tank, in-tank fuel pump, fuel filter, pressure regulator, fuel lines, and injectors.
The exhaust system includes the exhaust manifold, turbo outlet or downpipe, catalytic converter or diesel particulate filter (DPF), resonator, muffler, exhaust pipes, heat shields, oxygen sensors, and NOx sensors where applicable.

7. Body & Exterior Parts
Body components include front and rear bumpers, grilles, hoods, fenders, doors, tailgates or trunk lids, headlamps, taillamps, side mirrors, window regulators, underbody panels, splash shields, and mounting brackets. Variations may exist between standard and S line versions or facelift models.

8. Maintenance & Wear Parts
Regular service items include engine oil, oil filters, air filters, cabin filters, fuel filters, timing kits, drive belts, belt tensioners, brake pads, brake discs, shock absorbers, wheel bearings, spark plugs, glow plugs, coolant, and brake fluid.

Query Results: Popular Audi A3 Suspension Parts List. If you need to buy in large quantities, please download the AUDI A3 Parts Catalogue. To check prices, please register and wait for approval.