2020 Audi TT Drivetrain Parts

This table covers the AWD Coupling fluids. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable. Read more

2 AWD Coupling Fluid parts for the 2020 Audi TT come from 2 brands — REIN and VAICO. Every part fits both the 2.0L L4 Turbocharged and the 2.5L L5 Turbocharged.

Listed part numbers: REIN FLDF003 and VAICO V600450.

This table covers the AWD Coupling Oil filters. Typical signs include restricted flow — long cranking, weak airflow, or dirty fluid after a short interval. Seat the new filter so it cannot bypass, and use the grade the notes call for. Read more

This group shows a single part: VAICO V106662.

This table covers the AWD Coupling Oil pumps. Typical signs include noise from the pump, no pressure, or fluid that never arrives at the outlet. Prime or fill the pump as the notes require. A dry start is a common way to kill a new unit. Read more

7 AWD Coupling Oil Pump parts for the 2020 Audi TT come from VAICO. The "Popular" part is VAICO V106603XXL. Every part fits both the 2.0L L4 Turbocharged and the 2.5L L5 Turbocharged.

This group includes VAICO V106603XXL, VAICO V106592 and VAICO V106603 and the remaining parts above.

This table covers the complete CV axle shafts from differential (or hub) to wheel. Typical signs include a click in tight turns, grease flung around the wheel well, or a vibration that builds with speed. A torn boot caught early is a boot kit; caught late it is the whole axle. Torque the axle nut to the method in the notes. Read more

11 CV Axle parts for the 2020 Audi TT come from 4 brands — GSP, TOP NOTCH, GKN and 1 other brand. The "Popular" part is APWI AD8383.

This table covers the constant-velocity joints at each end of a drive axle. Read more

7 CV Joint parts for the 2020 Audi TT come from 3 brands — GKN, VAICO and MARELLI. The "Popular" part is GKN 305448. 2 parts fit every engine; the other 5 are engine-specific.

Part numbers include GKN 305448, GKN 305021 and GKN 306653, among others listed above.

This table covers the boots that keep grease in a CV joint. Typical signs include a split boot, grease flung around the joint, or a click once grit is inside. A boot caught early is a kit. Once the joint has clicked, the joint itself is usually worn. Read more

7 CV Joint Boot parts for the 2020 Audi TT come from 2 brands — GKN and BECK/ARNLEY. The "Popular" part is GKN 305967. 1 part fits every engine; the other 6 are engine-specific.

Listed part numbers: GKN 305967, GKN 304936 and BECK/ARNLEY 1033193, plus the other parts above.

This table covers the Differential mounts. Typical signs include a clunk on takeoff, a vibration at idle, or a separated rubber insert. Support the powertrain before unbolting a mount, and torque the fasteners in the notes. Read more

VNE supplies both parts for the 2020 Audi TT.

This group includes VNE 4009408 and VNE 4009409.

This table covers the seals at the Differential. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

One part is listed for the 2020 Audi TT — VAICO V103266.

This table covers the flex joints in the driveshaft. Read more

This group shows a single part: VAICO V1018008.

This table covers the gear oils specified for the axle or transfer case. Typical signs include a low-oil lamp, knocking, or oil that has gone thin before the next interval. Match the viscosity and spec in the notes, not just the weight on the bottle. Read more

8 Gear Oil parts for the 2020 Audi TT come from 2 brands — VALVOLINE and VAICO. The "Popular" part is VALVOLINE VV975. Every part fits both the 2.0L L4 Turbocharged and the 2.5L L5 Turbocharged.

This group includes VALVOLINE VV975, VALVOLINE 889785 and VAICO V600364 and the remaining parts above.

This table covers the fluids specified for the transfer case. Typical signs include discolored fluid, a burnt smell, or a level that keeps dropping. Use only the specification in the notes — the tables group grades because they are not interchangeable. Read more

9 Transfer Case Fluid parts for the 2020 Audi TT come from 2 brands — VALVOLINE and VAICO. The "Popular" part is VALVOLINE VV975. Every part fits both the 2.0L L4 Turbocharged and the 2.5L L5 Turbocharged.

Listed part numbers: VALVOLINE VV975, VALVOLINE 889785 and VAICO V10000270, plus the other parts above.

This table covers the seals at the Transfer Case Output Shaft. Typical signs include a wet housing, a drip after sitting, or fluid flung off a rotating shaft. Fix the surface the seal rides on. A new seal on a grooved shaft will leak again. Read more

This group shows a single part: TIMKEN SL260505.