2020 Audi TT Cooling System Parts

This table covers the engine coolants and antifreeze formulations specified for this cooling system. Typical signs include a rising temperature gauge, rusty or sludged coolant, or a heater that blows cold. Use the chemistry named in the notes. Mixing silicate, OAT and HOAT formulas can gel in the radiator. Read more

16 Coolant / Antifreeze parts are listed for the 2020 Audi TT, from PRESTONE, PEAK, PENTOSIN and 3 other brands. FVP MV5050GAL carries the "Popular" badge. All of them fit every engine offered in the 2020 TT.

The Compatible With All Colors section lists 1 option from PRESTONE — grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. PRESTONE AF3055 is listed in this group.

In the Economy grade, FVP, PRESTONE, VALVOLINE and 1 other brand supply 4 parts: the catalog's value-priced group. A representative part number is FVP MV5050GAL.

The Premium section lists 5 options from PRESTONE and PEAK — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF2100 is listed in this group.

The Standard Replacement section lists 6 options from PENTOSIN, AISIN, PEAK and 1 other brand — built to original-equipment specification. AISIN ACE010 is listed in this group.

This table covers the hard pipes and extra hoses in the coolant circuit. Read more

5 Coolant Hose / Pipe parts are listed for the 2020 Audi TT, from REIN, VAICO and SKP. REIN CHP0663 carries the "Popular" badge.

This group includes REIN CHP0663, REIN CHP0793 and SKP SK121468 and the remaining parts above.

This table covers the seals at the Coolant Hose / Pipe. 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

4 Coolant Hose / Pipe Seal parts for the 2020 Audi TT come from 4 brands — AJUSA, DORMAN, FEL-PRO and 1 other brand. 1 part fits every engine; the other 3 are engine-specific.

Part numbers include AJUSA 01165600, DORMAN 47451 and FEL-PRO 36130, among others listed above.

This table covers the Coolant Hose Connector flanges. Read more

10 Coolant Hose Connector / Flange parts are listed for the 2020 Audi TT, from VAICO, ÜRO PARTS, MOTORAD and 1 other brand. ÜRO PARTS 5Q0122291DA carries the "Popular" badge.

This table covers the Coolant Hose Flange plugs. Typical signs include a leak at the drain or glow-plug hole, or a plug that has rounded off. Replace the crush washer and torque to the spec in the notes. Read more

One part is listed for the 2020 Audi TT — ÜRO PARTS 357121140.

This table covers the Coolant Hose retainers and clips. Read more

One part is listed for the 2020 Audi TT — BECK/ARNLEY 1470039.

This table covers the overflow / expansion tanks that hold extra coolant. Read more

6 Coolant Reservoir parts for the 2020 Audi TT come from 5 brands — TECHPRO, REIN, ÜRO PARTS and 2 other brands. The "Popular" part is REIN EPT0142. 2 parts fit every engine; the other 4 are engine-specific.

Listed part numbers: REIN EPT0142, ÜRO PARTS 5Q0121407T and HELLA 366365551, plus the other parts above.

This table covers the caps on the overflow / expansion tank. Typical signs include a leak at the neck, a cap that will not hold pressure, or a missing tether. Match the pressure rating or thread in the notes — radiator, reservoir and fuel caps are not interchangeable. Read more

3 Coolant Reservoir Cap parts for the 2020 Audi TT come from 3 brands — CALORSTAT, MOTORAD and REIN. Every part fits both the 2.0L L4 Turbocharged and the 2.5L L5 Turbocharged.

Listed part numbers: CALORSTAT RC0162, MOTORAD T93 and REIN CPE0039.

This table covers the intercoolers that cool turbo or supercharger charge air. Read more

7 Intercooler parts are listed for the 2020 Audi TT, from NISSENS, TYC, CSF and 4 other brands. NISSENS 96494 carries the "Popular" badge.

This group includes NISSENS 96494, TYC 18128 and CSF 6100 and the remaining parts above.

This table covers the Intercooler Air Hose pipes. Read more

2 Intercooler Air Hose / Pipe parts are listed for the 2020 Audi TT, from REIN and VAICO.

Part numbers include REIN TCH0334 and VAICO V10000135.

This table covers the Intercooler 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

This group shows a single part: REIN AVM0728.

This table covers the radiators that dump engine heat to airflow through the core. Typical signs include overheating in traffic, a wet core, or coolant that disappears with no puddle. Replace the cap if it cannot hold the rated pressure, and bleed the system after the swap. Read more

7 Radiator parts are listed for the 2020 Audi TT, from NISSENS, CSF, TYC and 3 other brands. CSF 3922 carries the "Popular" badge.

This group includes CSF 3922, TYC 13529 and DENSO 2219430 and the remaining parts above.

This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator. Read more

8 Radiator Fan Assembly parts for the 2020 Audi TT come from 6 brands — GPD, NISSENS, TECHPRO and 3 other brands. The "Popular" part is AGILITY 6010318. 1 part fits every engine; the other 7 are engine-specific.

The Economy section: 3 options from GPD and TECHPRO. GPD 2812046 is listed in this group.

Standard Replacement: 5 parts, from NISSENS, AGILITY, FOUR SEASONS and 1 other brand. A representative part number is AGILITY 6010318.

Part numbers include AGILITY 6010318, GPD 2812046 and GPD 2812297, among others listed above.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

This group shows a single part: REIN CHR0794.

This table covers the Radiator 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

3 Radiator Mount parts for the 2020 Audi TT come from 2 brands — VNE and REIN. 2 parts fit every engine; the other 1 is engine-specific.

Listed part numbers: REIN AVM0728, VNE 41000012 and VNE 41000038.

This table covers the senders that report coolant temperature to the gauge or ECU. Typical signs include a gauge that sits on empty or overheat, or a lamp that does not match what the engine is doing. Rule out the cluster and the wiring before replacing the sender. Read more

17 Temperature Sender / Sensor parts are listed for the 2020 Audi TT, from GPD, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 9 other brands. HOLSTEIN 2CTS0490 carries the "Popular" badge. 10 parts fit every engine; the other 7 are engine-specific.

Economy: 7 parts, from GPD, HOLSTEIN, STANDARD MOTOR PRODUCTS and 2 other brands. A representative part number is HOLSTEIN 2CTS0490.

The Standard Replacement section: 10 options from BECK/ARNLEY, WALKER PRODUCTS, STANDARD MOTOR PRODUCTS and 5 other brands. BECK/ARNLEY 1580784 is listed in this group.

This table covers the thermostats that open the coolant circuit at the specified temperature. Typical signs include slow warm-up, a gauge that climbs in traffic, or heat that never quite arrives. Replace the housing gasket with the thermostat and bleed the system so a trapped air pocket does not cook the new part. Read more

4 Thermostat parts for the 2020 Audi TT come from 4 brands — BECK/ARNLEY, CALORSTAT, INA and 1 other brand.

Part numbers include BECK/ARNLEY 1430913, CALORSTAT TFS7195113J and INA XW0360, among others listed above.

This table covers the seals at the thermostat housing and water outlet. 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

5 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2020 Audi TT, from MAHLE / CLEVITE, AJUSA, FACET and 1 other brand. MAHLE / CLEVITE 72622 carries the "Popular" badge.

Part numbers include MAHLE / CLEVITE 72622, AJUSA 16502300 and FACET 79688, among others listed above.

This table covers the housings and outlets the thermostat sits in. Read more

2 Thermostat Housing / Water Outlet parts for the 2020 Audi TT come from 2 brands — BECK/ARNLEY and MOTORAD.

Part numbers include BECK/ARNLEY 1470096 and MOTORAD CH3116.

This table covers the pumps that circulate coolant through the block and radiator. Typical signs include coolant at the weep hole, pulley play, or a growl from the front of the engine. Replace the thermostat and refill with the specified coolant whenever the pump comes off. Read more

15 Water Pump parts for the 2020 Audi TT come from 10 brands — PIERBURG, BECK/ARNLEY, US MOTOR WORKS and 7 other brands. The "Popular" part is BECK/ARNLEY 1312517.

The Economy section: 4 options from BECK/ARNLEY, US MOTOR WORKS, FVP and 1 other brand. BECK/ARNLEY 1312517 is listed in this group.

Standard Replacement: 10 parts, from PIERBURG, GMB, BOSCH and 3 other brands. A representative part number is GMB 1803050.

1 further part sits outside the graded sections, with the same engine-level match.