Audi A3 1.8 Tfsi Quattro
Quality spare parts and drivetrain components for the Audi A3 1.8 Tfsi Quattro. Select your make, model and engine to ensure an exact fit before ordering.
Products for Audi A3 1.8 Tfsi Quattro
- Position: Outer
- Seal diameter: 59 mm
- Inner splines: 27
- Outer splines: 36
- Joint diameter: 97,95 mm
- Position: Front left
- Flange diameter: 108 mm
- Total length: 488 mm
- Splines wheel side: 36
- Position: Front right
- Flange diameter: 108 mm
- Total length: 600 mm
- Splines wheel side: 36
- Position: Rear, Outer
- Seal diameter: 59 mm
- Inner splines: 33
- Outer diameter: 82 mm
- Splines wheel side: 36
- Position: Rear left, Rear right
- Flange diameter: 94 mm
- Total length: 630 mm
- Splines wheel side: 36
- Position: Rear right
- Flange diameter: 94 mm
- Total length: 587 mm
- Splines wheel side: 36
- Diameter: 30 mm
- Hole spacing c/c: 188 mm
- Bearing thickness: 13 mm
- Position: Inner
- Seal diameter: 94 mm
- Inner splines: 33
- Number of joints: 3
- ABS teeth: 0
- Position: Front left
- Flange diameter: 108 mm
- Total length: 486 mm
- Splines wheel side: 36
- Position: Rear right
- Flange diameter: 100 mm
- Total length: 631 mm
- Splines wheel side: 36
- Position: Rear, Inner
- Diameter: 86 mm
- Splines gearbox side: 33
- Width: 34 mm
- Position: Inner
- Seal diameter: 59,5 mm
- Total length: 79 mm
- Splines gearbox side: 36
- Inner splines: 27
- Total length: 602 mm
- Splines wheel side: 36
- Position: Front right
- Flange diameter: 108 mm
- Total length: 795 mm
- Splines wheel side: 36
- Position: Inner
- Seal diameter: 123 mm
- Inner splines: 34
- Outer splines: 123
- ABS teeth: 34
- Position: Rear
- Number of joints: 1
- Total length: 2,223 mm
- Position: Front left
- Flange diameter: 100 mm
- Total length: 524 mm
- Splines wheel side: 36
- Position: Front left
- Flange diameter: 108 mm
- Total length: 525 mm
- Splines wheel side: 36
Audi A3 1.8 Tfsi Quattro drivetrain
The Audi A3 1.8 Tfsi Quattro is a car model that combines strong performance with the superior grip of the well-known Quattro system. For this symbiosis to work flawlessly, a drivetrain in peak condition is essential. The drivetrain on an Audi A3 1.8 Tfsi Quattro is a complex assembly tasked with transferring torque from the turbocharged 1.8-litre engine to all four wheels. Because power is distributed based on surface grip and driving style, components such as drive shafts and CV joints are subjected to substantial stress, especially during spirited driving or harsh European winters. Maintaining and, when necessary, replacing worn parts is not only a matter of ride comfort, but a vital safety measure. A defective CV joint or an unbalanced propeller shaft can cause consequential damage to the gearbox and differential, which quickly becomes costly. With us, you will find the specific spare parts required to preserve your Audi's original driving dynamics and dependability year after year.
How the drivetrain is engineered on the Audi A3 1.8 Tfsi Quattro
The drivetrain layout on an Audi A3 1.8 Tfsi Quattro differs significantly from the front-wheel-drive versions of the same model. Here we find an intelligent four-wheel-drive system that relies on a more comprehensive set of components to operate effectively. Power leaves the gearbox and is routed via a bevel box (transfer box) to a propeller shaft for the Audi A3 1.8 Tfsi Quattro, which runs underneath the length of the vehicle to the rear differential. Furthermore, there are four drive shafts in total – two front and two rear – each equipped with both inner and outer CV joints. The outer joints allow the front wheels to steer while transferring drive, whilst the inner constant velocity joints accommodate suspension travel. This setup enables the car to deliver maximum traction under acceleration and poised stability through bends. Every link in this chain must be in precise balance to prevent vibrations and noises, which is why we only supply parts tailored to the exact fitment of the 1.8 Tfsi Quattro variant.
Common faults and symptoms
Identifying drivetrain issues early can save you considerable time and money. On the Audi A3 1.8 Tfsi Quattro, there are several classic symptoms to watch out for. One of the most typical signs of a worn outer CV joint on the Audi A3 1.8 Tfsi Quattro is a rhythmic clicking or knocking noise when turning sharply at low speeds. If vibrations instead occur under acceleration and vanish as soon as you lift off the throttle, this often indicates that an inner CV joint on the Audi A3 1.8 Tfsi Quattro has developed play or lost its grease. For Quattro-equipped cars, it is also important to listen out for whining or droning noises from the centre tunnel, which can point to issues with the prop shaft centre bearing or universal joints. Since the 1.8 Tfsi engine generates plenty of torque, even minor driveline defects become magnified and easily felt through the steering wheel or chassis. Ignored symptoms frequently result in split CV boots, letting dirt penetrate and ruin the precision-ground bearing tracks within the joints.
Common parts to replace on the Audi A3 1.8 Tfsi Quattro
Within our range for the Audi A3 1.8 Tfsi Quattro, we have categorised our parts to help you easily locate what you need. We currently stock a wide selection of components covering the different positions and technical specifications for this model. In addition to complete driveshafts, we also provide individual components such as outer and inner CV joints for cost-effective repairs. Here are the most frequently requested parts by our customers:
- Drive shafts: We stock 8 different complete units for both front and rear axles, ready for direct installation.
- Outer CV joints: Usually supplied complete with CV boot, grease, and fitting hardware for a thorough replacement at the wheel hub.
- Inner CV joints: Designed specifically to mount to the gearbox or differential and manage axial plunge.
- Propeller shafts: The central link in the Quattro system that transfers drive rearwards to the back axle.
By replacing worn parts with our quality-tested components, you return your car's drivetrain to peak condition. It is often more economical to replace an entire drive shaft if multiple joints show wear, as this saves garage labour and provides you with a brand-new component offering full service life.
How to find the right part for the Audi A3 1.8 Tfsi Quattro
Proceed to the relevant subcategory for the Audi A3 1.8 Tfsi Quattro:
On a vehicle with several potential driveline faults, it pays to begin in the correct category straight away. Comparing the dedicated component sections for the Audi A3 1.8 Tfsi Quattro makes it easier to tell whether an issue stems from a drive shaft, CV joint, or prop shaft, and to head directly to the page that matches your symptoms and exact fitment.
- Drive shafts for Audi A3 1.8 Tfsi Quattro
- Outer CV joints for Audi A3 1.8 Tfsi Quattro
- Inner CV joints for Audi A3 1.8 Tfsi Quattro
- Propeller shafts for Audi A3 1.8 Tfsi Quattro
Should multiple variants exist for your model, you can rest assured that every part we catalogue meets our rigorous standards for quality and endurance. Our fitment guarantee means you can order with absolute confidence that the parts will fit your Audi properly.
Why shop with CVJoint24
CVJoint24 is not just an online shop; we are the international shop of a Swedish driveline specialist, sending parts from our central warehouse in Helsingborg, Sweden, across the EU. When purchasing components for your Audi A3 1.8 Tfsi Quattro from us, you benefit from genuine driveline expertise and an expertly curated range. We appreciate the engineering nuances of Audi's Quattro system and stock car parts designed to perform reliably under demanding conditions. By selecting your exact make, model, and engine, you minimise the risk of misorders, backed by swift and reliable EU shipping across our product catalogue. We strive to keep the correct part on the shelf, whether you require a hard-to-find propeller shaft or a standard constant velocity joint. Combining dedicated technical assistance, premium components, and an intuitive platform, we are the trusted partner for both DIY mechanics and professional garages looking for the very best for their Audi. Your peace of mind is our priority, from product selection to completed repair.
Frequently asked questions about drivetrain parts for Audi A3 1.8 Tfsi Quattro
How do I know if my Audi A3 1.8 Tfsi Quattro needs a new drive shaft?
Common signs include severe vibrations under acceleration or unusual noises from the wheel arches. If you notice the car shaking under load but settling down when you lift off the accelerator, this often points to a worn drive shaft.
What is the difference between the inner and outer CV joint on a Quattro?
The outer CV joint sits closest to the wheel and accommodates steering angles; it typically clicks when cornering when worn or broken. The inner CV joint sits against the gearbox or differential and accommodates suspension travel; it usually causes vibrations during acceleration.
Does the same drive shaft fit both front and rear on my Audi A3?
No, the front and rear drive shafts have different lengths and specifications. In addition, they often differ between the left and right side. Always check your car's model year, gearbox and exact engine code to select the correct fitting position.
Why does my Audi A3 1.8 Tfsi Quattro vibrate under acceleration?
This is most often caused by internal play in one of the CV joints or an imbalance in the propeller shaft. Because the Quattro system distributes power to all four wheels, vibrations can feel more pronounced than on a two-wheel-drive car.
How often should you check the CV boots on an Audi A3 Quattro?
We recommend inspecting the CV boots at every service or wheel swap. A split boot quickly leads to constant velocity joint failure due to the ingress of dirt and moisture.
Can I replace just the CV joint, or do I need to replace the complete drive shaft?
It is often possible to replace just the CV joint if the shaft itself is undamaged. However, if multiple joints are worn or the shaft is heavily corroded, replacing the complete drive shaft is often more cost-effective and dependable.