Audi A8 45 TDI Quattro

Welcome to CVJoint24, your Swedish driveline specialist for the Audi A8 45 TDI Quattro. Maintaining the transmission and drivetrain of an executive saloon like the A8 is essential for...

Products for Audi A8 45 TDI Quattro

1 products
1 - 1 of 1
Item no.:354721
  • Position: Front, Outer
  • Inner splines: 28
  • Outer diameter: 94 mm
  • Splines wheel side: 42

Audi A8 45 TDI Quattro drivetrain parts

The Audi A8 45 TDI Quattro represents the pinnacle of German engineering, blending commanding power with refined luxury. To ensure this substantial, high-performance saloon delivers the driving dynamics you expect, the drivetrain must remain in first-class condition. The transmission and driveline components on a 45 TDI Quattro are subjected to immense stress, especially given the abundant torque of the diesel engine and the advanced permanent four-wheel drive system. Choosing the right spare parts is vital not only for reliable operation, but also for preserving the vehicle's active safety and long-term value. At CVJoint24, we understand the exacting engineering standards of the Audi A8 and supply components that meet or exceed original equipment specifications.

By concentrating our specialist expertise on the drivetrain, we can ensure the car parts you find here are precision-matched to your vehicle's exact specification. An Audi A8 demands tightly toleranced components to maintain the remarkably quiet, vibration-free ride for which the model is renowned. We have curated our range to meet the most critical requirements of owners of this flagship saloon, whether you are carrying out scheduled preventative maintenance or urgent mechanical repairs.

Drivetrain configuration on the Audi A8 45 TDI Quattro

The drivetrain setup on an Audi A8 45 TDI Quattro is sophisticated and technologically demanding. In this Quattro model, power from the engine is channelled through an automatic gearbox to both the front and rear axles via a centre differential. Each wheel is driven through drive shafts fitted with inner and outer CV joints, allowing for smooth articulation through suspension travel and steering angles. The outer CV joint on the front axle is particularly critical, as it must transmit high torque across severe steering locks while absorbing road vibrations.

Because the A8 is a heavy saloon equipped with adaptive air suspension, every component across the driveline must cope with varying angles and heavy dynamic loads without developing unwanted noise. Total manufacturing precision is essential to preserve the silky-smooth ride expected from a luxury executive car. Every component in the sequence, from the gearbox output flange to the wheel hub, must operate in seamless synchronisation. Even minor play or wear in a constant velocity joint can reverberate through the entire chassis, degrading cabin refinement and shortening the lifespan of surrounding transmission parts.

Common faults and symptoms

Despite the exceptional engineering of the Audi A8 45 TDI Quattro, drivetrain components are subject to natural wear and tear over time. One of the most typical signs of a worn outer CV joint is a rhythmic clicking or knocking noise that becomes pronounced on full lock under acceleration, such as during a U-turn or when pulling away at tight junctions. If you experience vibrations through the steering wheel or car floorpan during acceleration—especially at motorway speeds or under heavy load—it often points to an imbalanced driveshaft or excessive play in an inner joint close to the gearbox.

Regular inspection of the protective CV boots is equally critical. A split or torn boot rapidly allows road grit and water to enter the joint while letting vital lubricating grease escape. This will destroy the internal bearing surfaces in very short order. Catching these warning signs early can save significant expenditure, as replacing a damaged drive shaft boot or an individual CV joint is far more economical than replacing an entire axle assembly. Pay close attention to subtle changes in driving feel, as an intact drivetrain is essential for the Quattro system to function at its best.

Frequently replaced parts on the Audi A8 45 TDI Quattro

When maintaining an Audi A8 45 TDI Quattro, certain drivetrain components require replacement more frequently than others over higher mileages. The most prominent part in our catalogue for this vehicle is the outer CV joint for Audi A8 45 TDI Quattro. This component is essential for transmitting driving power smoothly to the front wheels whilst accommodating steering inputs. In addition to the joints themselves, associated hardware such as ABS reluctor rings and hub fixings often require renewal due to road grime and corrosion.

Because the Quattro system relies on balanced rotational speeds and power distribution across all four wheels, we always recommend inspecting both sides of the axle at the same time. The most frequently required parts for this model include:

  • Outer CV joints for Audi A8 45 TDI Quattro
  • Drive shaft boots and fitting kits
  • ABS rings and wheel speed sensors
  • High-performance CV joint grease

Finding the correct parts for your Audi A8 45 TDI Quattro

Navigate directly to the relevant subcategory for your Audi A8 45 TDI Quattro:

On a vehicle with multiple potential driveline issues, it pays to begin in the exact category straight away. Comparing the dedicated component sections for the Audi A8 45 TDI Quattro makes it straightforward to distinguish between faults in a drive shaft, a CV joint or a propeller shaft, guiding you directly to the correct parts for your symptoms and fitment.

Locating the correct replacement car parts can seem daunting, but absolute precision is essential for an Audi A8 45 TDI Quattro. The most dependable method to ensure perfect compatibility is to use our vehicle selector to choose your car by make, model and engine. By selecting your car's exact specification, our catalogue filters out unsuitable parts and presents only components engineered specifically for your model year and engine variant. It remains sensible to verify technical details such as the spline count on the CV joint, as these can vary depending on factory equipment.

We have simplified your search by structuring our range so you can easily move from Audi to Audi A8 and directly on to your engine variant. If you require assistance confirming technical details, our expert team is readily available to verify compatibility against your chassis number (VIN). With our technical support, you can order with absolute confidence and avoid the delays and complications of ill-fitting generic parts.

Why choose CVJoint24 for your Audi parts?

CVJoint24 is not merely an online auto parts generalist; we are an international shop backed by Swedish driveline specialists, operating with a dedicated focus on power transmission components. When you purchase through us, you benefit from specialist product knowledge that broad motor factors rarely provide. We offer a dependable fitment guarantee, ensuring the parts chosen to match your vehicle's make, model and engine fit your Audi A8 45 TDI Quattro accurately. This provides complete peace of mind when carrying out precision mechanical work.

From our central warehouse in Helsingborg, Sweden, we dispatch rapidly across the European Union, ensuring you receive your replacement parts without unnecessary delays to workshop schedules. Our philosophy is to supply the right part at a fair price, without ever compromising on material quality or manufacturing tolerances. Your Audi deserves uncompromising engineering, which is why we source exclusively from reputable OE-standard manufacturers. Choose CVJoint24 as your driveline partner to ensure your vehicle runs smoothly, quietly and reliably for thousands of kilometres to come.

Frequently Asked Questions about Drivetrain Parts for Audi A8 45 TDI Quattro

How do I know if my Audi A8 45 TDI Quattro needs a new outer CV joint?

The most common sign is a clicking or knocking noise coming from the front suspension when cornering sharply under acceleration. If the noise disappears when driving straight ahead, it is a clear indication that the outer joint is worn.

Can I replace just the CV boot on my Audi A8?

Yes, if you detect damage to the boot early before dirt and grit have entered the joint, you can replace just the CV boot. However, if the joint has already started making noises, the entire CV joint must be replaced.

Do all Audi A8 CV joints fit my 45 TDI Quattro?

No, CV joints vary depending on engine variant, gearbox and whether the car features the Quattro system. Always filter by your car's exact make, model and engine to find the correct part for your 45 TDI variant.

What does the fitment guarantee at CVJoint24 mean?

It means that when you select your specific car details and purchase the part we recommend, we guarantee it fits your vehicle. In the unlikely event that it does not fit, we will help you find the right part at no extra cost.

How quickly are parts delivered for my Audi?

We aim for prompt dispatch across the EU for all in-stock orders placed before our cut-off time. This ensures you can get your Audi A8 45 TDI Quattro back on the road without unnecessary delay.

Why is the Quattro system sensitive to worn CV joints?

The Quattro system actively distributes drive torque between the wheels. A worn joint that produces vibration or mechanical resistance can disrupt differential operation and, over time, cause unnecessary wear across the entire four-wheel-drive system.