7386 Products
AUDI Car Parts
Audi parts should be matched to the car’s build specification, not to the four-ring badge or registration year alone. A1, A3, A4, A6, Q5 and Q7 names each cover several generations, body styles and driveline layouts. Start with the full VIN, production date, market and steering side, then record the chassis or type designation, complete engine code and gearbox code. Registration data is useful for narrowing a search, but a running production change, import or mechanical conversion can make it incomplete.
Read the Audi production-equipment or PR codes wherever brakes, springs, dampers, wheels or other option-dependent parts are involved. They can distinguish disc diameters, axle-load groups and suspension packages that trim names do not reveal. Confirm the installed component by dimensions, casting, connector and part-number supersession before dismantling. S line styling does not by itself establish an S-model engine, brake or chassis specification.
Driveline labels need similar care. Quattro describes all-wheel drive, but its hardware and control strategy vary with platform and generation: some transverse-engined cars use a controlled rear coupling, longitudinal cars may use a different centre-drive arrangement, and electric quattro can distribute torque through separate motors. S tronic also covers more than one transmission design. Use the exact unit code for clutch type, fluid, filter, level procedure and adaptation requirements. Treat gearbox, rear drive and any coupling as separate service assemblies unless the relevant workshop information says otherwise.
TFSI and TDI badges do not identify timing parts, oil approval or emissions hardware. Verify whether the vehicle has DPF, GPF, EGR, SCR/AdBlue, plug-in hybrid or high-voltage equipment. Use only the precise oil, coolant, transmission and drive-unit specification stated for the VIN; viscosity and fluid colour are not specifications. Stop for red oil-pressure, braking, overheating or high-voltage warnings and follow the handbook. UK MOT inspection covers roadworthiness, warning lamps and emissions equipment, but does not prove that timing, driveline-fluid or battery-system maintenance is current.
Your Current Vehicle
Or
Select Your Vehicle
Shop Parts by Category
Choose a category to view parts for your selected vehicle.
Vehicle Models and Options for AUDI
AUDI Car Part Categories
Only categories with verified fitment products are shown.
AUDI Parts Catalogue Online
Browse catalogue-backed parts by vehicle system.
Loading products and filters…
Build an Audi option map before opening the catalogue
An Audi model name is the first clue, not the finished identification. A1 and A3 applications commonly begin from transverse-engine architectures, while many A4 and A6 generations use longitudinal arrangements. Q5 and Q7 add sport-utility body, axle-load and suspension choices. The e-tron name has appeared on battery-electric models, plug-in hybrids and distinct electric architectures. These broad patterns explain why a familiar badge cannot select a precise component.
Begin with the complete VIN and factory production date. Add model generation or chassis/type designation, body form, UK or other market, right- or left-hand drive, engine code and transmission code. Retrieve the complete build record and its PR production codes. Finally inspect the part fitted to the vehicle, because previous repair or conversion can make physical evidence differ from the factory record.
| Evidence | Question it answers | What still needs checking |
|---|---|---|
| Full VIN and build date | Which vehicle and production phase left the factory? | Later replacement assemblies or conversions |
| Chassis/type and body | Which generation, architecture and body-specific application applies? | Facelift and option-level changes |
| Engine and gearbox codes | Which powertrain units and service procedures are installed? | Software level and auxiliary equipment |
| PR-code record | Which brakes, suspension, wheels and equipment were specified? | The complete code set and any supersession |
| Part number, dimensions and connector | What component is physically present now? | Left/right position and approved replacement path |
Why production codes matter on running gear
Audi PR codes are especially valuable when two apparently identical cars have different front discs, rear calipers, spring groups or dampers. Read all relevant codes rather than searching one in isolation. Wheel diameter cannot prove disc diameter, and an S line appearance package does not necessarily establish the same brakes as an S or RS model. Measure disc diameter, thickness and height and confirm caliper or carrier markings when the history is uncertain.
Map platform, engine position and quattro hardware
Architecture determines how power reaches the road. A transverse front-drive layout places the gearbox beside the engine and may add a controlled rear coupling on an all-wheel-drive variant. A longitudinal layout can use a different gearbox, centre-drive method, propeller shaft and final drives. Fully electric quattro may coordinate separate electric drive units rather than send torque through a conventional centre differential. The word quattro therefore never supplies a universal fluid, pump or repair procedure.
Check the exact drive-unit and rear-drive codes. Some coupling assemblies have their own lubricant, pump and screen; the rear final drive may have a separate fill. Other systems use entirely different arrangements. Wheel bearings, driveshafts, subframes, fuel tanks and exhaust routing can change between front-drive and quattro versions of the same model. Mark each fill and drain point before service so one housing is not mistaken for another.
| Configuration | Systems to identify separately | Frequent mistaken assumption |
|---|---|---|
| Transverse front-wheel drive | Gearbox, differential, shafts and wheel-end hardware | Using quattro rear-axle parts because the body is shared |
| Transverse quattro | Gearbox, propeller shaft, coupling, rear final drive and controls | Calling every coupling the same generation |
| Longitudinal quattro | Transmission, centre-drive arrangement and both final drives | Applying a transverse-coupling service procedure |
| Plug-in hybrid | Combustion engine, hybrid transmission, battery cooling and high voltage | Treating 12-volt isolation as high-voltage isolation |
| Electric e-tron | Front/rear drive units as fitted, reduction oil, cooling and charging system | Assuming every e-tron uses the same drive architecture |
Tyres form part of the driveline calculation. Keep approved size, load and speed ratings, and avoid excessive rolling-circumference difference across driven axles. Diagnose binding brakes, tyre mismatch and sensor errors before condemning an all-wheel-drive unit. Persistent vibration, grinding, oil leakage or a driveline warning deserves prompt inspection; continuing can turn a local fault into damage across multiple assemblies.
Decode TFSI, TDI, S tronic and e-tron labels
TFSI and TDI describe broad combustion technologies, not one engine. The complete engine code determines timing drive, filters, ignition or injection components, turbocharger, cooling modules and oil approval. Record output and emissions equipment as well. Later petrol applications may use a gasoline particulate filter, while diesel combinations can include EGR, oxidation catalyst, DPF and SCR dosing. Sensor position and connector matter because pre- and post-treatment sensors are not automatically interchangeable.
S tronic is equally broad. Different dual-clutch transmissions use different clutch arrangements, torque capacities, oil circuits, filters and level procedures. Audi models also use manuals, conventional automatics, hybrid transmissions and electric reduction drives. The gearbox code, not the selector appearance, determines fluid and parts. Some work requires measured oil temperature, diagnostic basic settings or clutch adaptation after the mechanical procedure.
Fluids are approvals, not colours
Use the current Audi/VW approval specified for the exact engine and service regime. A viscosity such as 0W-20 or 5W-30 is only a grade; it does not prove the necessary chemical or performance approval. Select gearbox, coupling and final-drive lubricants independently. Identify coolant specification from current vehicle data and existing system state rather than matching pink, violet or another dye. Mixing incompatible coolants can impair corrosion protection or create deposits.
Brake fluid absorbs moisture and is time-sensitive, but the correct interval and bleeding method come from vehicle-specific information. Hybrid and electric cars can have multiple coolant loops and electrically driven pumps that require diagnostic bleeding. Never open a hot pressurised circuit. Orange cables, traction batteries and electric air-conditioning components require trained high-voltage isolation and proof that the system is safe.
Resolve brakes, suspension and electronic assistance together
Brake selection begins with PR codes and ends with a physical check. Confirm disc dimensions, caliper and carrier, pad shape, wear-sensor provision and rear parking-brake arrangement. An electronic parking brake normally needs its specified service mode; forcing a motorised mechanism can damage the caliper. After repair, restore hydraulic operation and electronic basic settings before moving the car.
Springs and dampers must match axle-load group, body, ride-height package and adaptive or conventional equipment. Q5 and Q7 applications may introduce air suspension or level control, while saloons, estates and performance variants can have different spring loads on the same platform. Depressurise air systems using the prescribed process and support the body safely. A low corner can result from a leak, valve, compressor supply, height sensor or calibration, so diagnosis should precede parts swapping.
| Area | Positive identification | Inspection focus |
|---|---|---|
| Front brakes | PR code, disc measurements, caliper/carrier and axle | Minimum thickness, heat cracking, hoses and balanced wear |
| Rear brakes | PR code, parking-brake type and installed motor or lever | Corrosion, seized sliders, motor faults and fluid leakage |
| Coil suspension | Axle-load group, colour marks, body and ride-height option | Broken end coils, damper leakage, bushes and bump stops |
| Air/adaptive suspension | Build codes, damper connector, air lines and control equipment | Overnight height loss, sensor links, compressor duty and calibration |
| Wheel-speed sensing | Sensor, encoder-bearing orientation and connector | Corrosion, debris, wiring and live-speed consistency |
Steering racks, cameras and radar sensors may need coding, basic settings or geometric calibration after relevant work. A wheel alignment alone does not necessarily complete a steering-angle, lane-camera or radar procedure. Follow the repair information for the equipment actually fitted, and do not place calibration marks or targets from another platform by approximation.
Inspect warnings by urgency, not by convenience
A red oil-pressure warning requires the engine to be stopped safely; topping up is not a substitute for pressure diagnosis. An overheating warning, coolant loss or steam requires shutdown and cooling before inspection. A red braking warning, severely reduced braking, loose steering, tyre structural damage or grinding wheel bearing makes continued driving unsafe. Arrange recovery when roadworthiness is doubtful.
Amber ABS, ESC, gearbox, engine or emissions warnings require timely diagnosis even if the vehicle still moves normally. Scan all relevant control units and save fault codes and freeze-frame data before clearing anything. One network or voltage fault can appear in several modules. Test the battery and charging supply, inspect wiring and verify live data before fitting an expensive controller.
On an e-tron or plug-in hybrid, a high-voltage isolation warning, damaged battery casing, exposed orange wiring, collision damage near the pack or signs of thermal activity need a controlled exclusion area and qualified response. Do not jack beneath a battery enclosure or probe high-voltage connectors with ordinary test equipment.
Plan maintenance around the exact Audi, not a generic interval
Service regimes vary by engine, model, market, use and software. Read the VIN-specific manual and current maintenance information. The dashboard can indicate inspection or oil demand, yet it cannot prove that the previous oil had the right approval or that separate timing, gearbox, quattro, brake-fluid and age-related tasks were completed. Keep invoices showing the approval and unit serviced, not just a generic description.
| Maintenance decision | Required basis | Avoid |
|---|---|---|
| Engine oil and filter | Engine code, approved oil standard and service regime | Choosing on viscosity or fuel type alone |
| Timing drive | Exact engine, production state and current interval data | Assuming every TFSI is chain or every TDI is belt |
| S tronic/automatic service | Transmission code, fluid approval, temperature and filter process | One universal dual-clutch oil |
| quattro service | System generation and separately identified housings | Draining the final drive while filling the coupling |
| Cooling-system work | Coolant specification, loop layout and bleeding procedure | Mixing by colour or opening while hot |
| Software/calibration | Installed control unit and approved setup path | Clearing adaptations without recording baseline data |
Upgrades must retain safe axle loads, wheel clearance, tyre specification, braking balance, lighting approval, emissions compliance and insurer disclosure. Larger brakes need compatible carriers, master-cylinder behaviour, wheels and coding where applicable. Suspension changes must not cause tyre contact, unstable geometry or sensor-range errors. Exhaust aftertreatment must remain present, functional and lawful rather than being deleted to hide a fault.
UK MOT, legal and safety checks
The MOT assesses specified roadworthiness and environmental items at the test date. Audi checks can include tyres, brakes, steering, suspension, lamps, glazing, seat belts and relevant ABS, ESC, SRS or emissions warning lamps. Combustion vehicles are assessed for applicable emissions equipment; obvious removal or tampering can be a defect. Electric vehicles still require compliant brakes, tyres, structure, lighting and restraint systems.
A pass is not a service certificate. It will not validate oil approval, timing history, gearbox maintenance, battery cooling or the accuracy of a previous repair. Owners remain responsible for keeping the vehicle roadworthy between tests. Following brake, steering or suspension work, use correct fasteners and torque stages, replace one-use hardware where specified, and carry out a controlled final check before normal road use.
Audi parts and maintenance FAQs
Q: Is an Audi registration enough to identify a part?
A: No. Confirm VIN, build date, unit codes, PR equipment and the component currently installed.
Q: What does an Audi PR code tell me?
A: It records production equipment and can separate brake, suspension, wheel and other factory variants.
Q: Does S line mean the car has S-model brakes?
A: Not necessarily. Styling, chassis and brake packages must be verified independently from the build record.
Q: Are all quattro systems serviced in the same way?
A: No. Identify platform, system generation and each separate coupling or final-drive housing.
Q: Does S tronic specify one gearbox oil?
A: No. The exact transmission code determines clutch design, fluid, filter and level procedure.
Q: Can TFSI or TDI identify a timing kit?
A: No. Use the complete engine code, production state and current technical data.
Q: Is the dye in Audi coolant a reliable identifier?
A: No. Colour is not a specification; use the approved chemistry and prescribed mixing process.
Q: Are e-tron parts common across every electric Audi?
A: No. e-tron models use different architectures, drive units, batteries and cooling arrangements.
Q: Can a rear electronic parking brake be forced back?
A: Use the stated service mode and piston procedure to avoid mechanical or electronic damage.
Q: Why might identical A4 models use different brake discs?
A: Engine, axle load, PR-code package and production changes can alter disc and caliper specification.
Q: Is an e-tron electrically safe once its 12-volt supply is disconnected?
A: No. Traction-system isolation requires the model-specific process, suitable equipment and trained personnel.
Q: What should I do with a red oil-pressure warning?
A: Stop the engine safely and diagnose pressure; do not continue or mask it with thicker oil.
Q: Does an Audi MOT pass confirm servicing is complete?
A: No. The test does not establish timing, fluid, driveline or high-voltage maintenance history.
