Inner CV joints for Audi A4 1.8 Tfsi Quattro

The drivetrain in an Audi A4 1.8 TFSI quattro places demanding loads on every component. On this page, we have gathered inner CV joints engineered to meet the exact requirements of...

Products for Inner CV joints for Audi A4 1.8 Tfsi Quattro

8 products
1 - 8 of 8
Item no.:0474381
  • Position: Inner
  • Inner splines: 24
Item no.:648125
  • Position: Inner
  • Total length: 28 mm
Item no.:646768
  • Position: Inner
  • Seal diameter: 76,5 mm
  • Total length: 87 mm
  • Splines gearbox side: 42
Item no.:0410085
  • Position: Inner
  • Seal diameter: 100 mm
  • Inner splines: 33
  • Outer splines: 26
  • ABS teeth: 0
Item no.:641728
  • Position: Inner
  • Seal diameter: 76,5 mm
  • Total length: 76 mm
  • Splines gearbox side: 42
Item no.:343786
  • Position: Front, Inner
  • Total length: 84 mm
  • Splines wheel side: 24
Item no.:0413978
  • Position: Inner
  • Inner splines: 34
  • Outer splines: 123
Item no.:140156
  • Position: Front, Inner
  • Total length: 88 mm
  • Splines gearbox side: 34
  • ABS teeth: 34

Inner CV joints for Audi A4 1.8 Tfsi Quattro

Finding the right inner CV joint for an Audi A4 1.8 Tfsi Quattro is crucial for your car's handling and longevity. This specific model, equipped with Audi's legendary four-wheel-drive system, places unique demands on drivetrain components. The inner constant velocity joint sits closest to the gearbox or differential and plays a central role in transmitting torque from the engine out to the wheels. Because the 1.8 Tfsi engine delivers power effectively through the Quattro system, the inner joints are exposed to constant loads, especially during acceleration and when driving on varying road surfaces.

Here at CVJoint24, you will find parts carefully selected to match original specifications for your Audi A4 1.8 Tfsi Quattro. We understand that precision is key to a quiet, vibration-free driving experience, which is why we only offer components engineered to withstand the rigorous demands of all-wheel drive.

What does an inner CV joint do on the Audi A4 1.8 Tfsi Quattro?

The primary task of the inner CV joint is to allow the drive shaft to plunge linearly while simultaneously transmitting rotation. Unlike the outer CV joint, which mainly handles steering angles, the inner joint must accommodate changes in shaft length caused by suspension travel. On an Audi A4 1.8 Tfsi Quattro, this is especially critical, as the four-wheel-drive setup requires precise, stable power distribution between the front and rear axles.

If the inner joint is not working optimally, it can cause imbalances across the entire drivetrain, which over time may damage other expensive transmission components. It acts as a vital link that absorbs vibrations and ensures smooth progress regardless of road conditions. Inner joints on these models are often tripod joints, providing the required axial movement with minimal friction.

Common signs of wear

Wear on an inner CV joint often presents differently from outer joint wear. The most typical symptom for an Audi A4 owner is vibration felt through the car's body during acceleration. These vibrations tend to disappear when lifting off the accelerator, which is a classic indicator that the inner joint has developed play or pitting in its bearing tracks. It can feel as though the entire car is shaking, particularly under load at speeds between 70 and 100 km/h.

Another symptom can be a knocking or clunking noise under load, or a general feeling of looseness in the drivetrain. It is also essential to inspect the CV boot; if it is split, grease will escape and road dirt will penetrate, rapidly destroying the joint through increased friction and overheating. As the Quattro system is sensitive to mechanical discrepancies, these symptoms should be addressed promptly to prevent consequential damage to the gearbox or differential.

How to choose the correct inner CV joint

Choosing the correct part requires accuracy. The Audi A4 1.8 Tfsi Quattro may use different designs depending on the model year and gearbox type, such as manual or S-tronic transmissions. Key variations often include the number of splines—both internal and external—as well as the overall joint diameter and the gearbox flange mount. Guessing the right part can lead to unnecessary returns and prolonged workshop downtime.

To ensure you order the correct inner CV joint, we always recommend selecting your vehicle by make, model and engine variant in our store selector. This filters for parts that are fully compatible with your car's exact specification. Also check whether you require fitting hardware such as replacement bolts or circlips, as these are often single-use stretch items on Audi models to guarantee correct tightening torque and maximum road safety.

Related parts to check

We recommend also inspecting these related pages for the same car when replacing an inner CV joint:

When a drivetrain component exhibits wear, surrounding parts on the vehicle often warrant inspection too. By comparing these dedicated categories for the Audi A4 1.8 Tfsi Quattro, it becomes much easier to determine whether the issue lies purely with the inner CV joint or with an adjacent section of the power delivery system.

This is particularly relevant on models where vibrations, play and mechanical noises can travel between several driveline components. Checking related categories reduces the risk of replacing one component while missing an adjacent worn part that contributes to the very same problem.

Why buy from CVJoint24?

CVJoint24 is the international shop of a Swedish driveline specialist shipping from our central warehouse in Helsingborg, Sweden. We understand the engineering behind modern vehicles like the Audi A4 1.8 Tfsi Quattro and provide an extensive, deep range of products. Our focus is squarely on premium quality and accurate fitment, backed by our fitment guarantee. Selecting your make, model and engine ensures you get the exact replacement you need without guesswork.

With prompt dispatch across the European Union, we help minimise workshop downtime for your vehicle. We combine specialist technical expertise with competitive prices, making us the dependable choice for both DIY mechanics and professional garages seeking durable spare parts capable of handling demanding road conditions. From a replacement drive shaft boot to a complete inner CV joint, you can count on CVJoint24 for the right driveline parts.

Frequently Asked Questions about Inner CV Joints for Audi A4 1.8 Tfsi Quattro

How do I know whether it is the inner or outer CV joint that has failed on my Audi A4?

A worn outer CV joint typically produces a clicking sound when cornering sharply. By contrast, a damaged inner CV joint causes vibrations through the car's bodywork, primarily during acceleration and under load.

Why does my Audi A4 1.8 Tfsi Quattro vibrate under acceleration?

This is often caused by the inner CV joint developing excessive play or pitting in its raceways. As engine torque is transmitted through the joint, this creates an imbalance that is felt as shaking throughout the vehicle.

Can I replace just the inner CV joint, or do I have to replace the complete drive shaft?

On the Audi A4 1.8 Tfsi Quattro, you can usually replace just the inner CV joint. We supply complete kits containing the joint, CV boot, grease, and fitting hardware to make the replacement straightforward.

Does the same inner CV joint fit both the front and rear axles on a Quattro model?

No, the design and dimensions usually differ between the front and rear axles. Always use our vehicle selector to choose your exact make, model and engine, ensuring you receive the correct part for the right position.

Is everything required for installation included in your kits?

Yes, our inner CV joint kits are supplied complete with the joint itself, a model-specific CV boot, specialised grease, and the required clips or bolts for a correct installation.

How does a failing inner CV joint affect the Quattro system?

A defective joint causes vibrations and uneven power delivery, placing unnecessary strain on the differential and gearbox. Keeping all joints in good working order is essential for the long-term reliability of the four-wheel-drive system.