2015 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 2015 Audi TT, from PRESTONE, PEAK, PENTOSIN and 3 other brands. FVP MV5050GAL carries the "Popular" badge.

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

8 Coolant Hose / Pipe parts are listed for the 2015 Audi TT, from REIN and VAICO. REIN CHC0712 carries the "Popular" badge.

Part numbers include REIN CHC0712, REIN CHU0680 and REIN CHP0680, among others listed 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 2015 Audi TT come from 4 brands — DORMAN, FEL-PRO, MAHLE / CLEVITE and 1 other brand.

This group includes DORMAN 47451, FEL-PRO 36130 and MAHLE / CLEVITE C32208 and the remaining parts above.

This table covers the Coolant Hose Connector flanges. Read more

17 Coolant Hose Connector / Flange parts are listed for the 2015 Audi TT, from REIN, DORMAN, SKP and 5 other brands. DORMAN 902795 carries the "Popular" badge.

Economy: 6 parts, from DORMAN, SKP and ÜRO PARTS. A representative part number is DORMAN 902795.

The Standard Replacement section: 11 options from REIN, MOTORAD, VAICO and 2 other brands. CALORSTAT WF0229 is listed in this group.

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 2015 Audi TT — ÜRO PARTS 357121140.

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

One part is listed for the 2015 Audi TT — BECK/ARNLEY 1470039.

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

9 Coolant Reservoir parts for the 2015 Audi TT come from 8 brands — REIN, MAHLE / CLEVITE, GPD and 5 other brands. The "Popular" part is MAHLE / CLEVITE CRT19000S.

Part numbers include MAHLE / CLEVITE CRT19000S, REIN EPK0030 and GPD 2411051, among others listed 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

4 Coolant Reservoir Cap parts for the 2015 Audi TT come from 4 brands — CALORSTAT, MOTORAD, REIN and 1 other brand.

This group includes CALORSTAT RC0011, MOTORAD T49 and REIN CPE0024P and the remaining parts above.

This table covers the Cooling Fan control modules. Read more

3 Cooling Fan Control Module parts for the 2015 Audi TT come from 3 brands — BECK/ARNLEY, GATES and VEMO.

Part numbers include BECK/ARNLEY 2030286, GATES FCM109 and VEMO V10790048.

This table covers the adapters used to pressure-test this cooling system. Read more

MOTORAD supplies both parts for the 2015 Audi TT.

Listed part numbers: MOTORAD 3036 and MOTORAD 3037.

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

10 Intercooler parts are listed for the 2015 Audi TT, from SPECTRA PREMIUM, MAHLE / CLEVITE, NISSENS and 4 other brands. SPECTRA PREMIUM 44011104 carries the "Popular" badge.

This table covers the Intercooler Air Hose pipes. Read more

5 Intercooler Air Hose / Pipe parts are listed for the 2015 Audi TT, from GATES, REIN and ACDELCO. REIN TCH0304 carries the "Popular" badge.

This group includes REIN TCH0304, ACDELCO 26226 and GATES 26227 and the remaining parts above.

This table covers the Intercooler Hose / Pipe clamps. Read more

This group shows a single part: VAICO V104443.

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

2 Intercooler Mount parts for the 2015 Audi TT come from REIN.

This group includes REIN AVM0728 and REIN AVM0695.

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

16 Radiator parts are listed for the 2015 Audi TT, from NISSENS, MAHLE / CLEVITE, GPD and 9 other brands. CSF 3559 carries the "Popular" badge.

Economy: 2 parts, from GPD and VEMO. A representative part number is GPD 2822C.

The Standard Replacement section: 14 options from NISSENS, MAHLE / CLEVITE, CSF and 7 other brands. CSF 3559 is listed in this group.

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

15 Radiator Fan Assembly parts for the 2015 Audi TT come from 9 brands — NISSENS, MAHLE / CLEVITE, VEMO and 6 other brands. The "Popular" part is SKP SK620805.

The Economy section: 3 options from SKP, GPD and VARIOUS MFR. SKP SK620805 is listed in this group.

Standard Replacement: 12 parts, from NISSENS, MAHLE / CLEVITE, VEMO and 3 other brands. A representative part number is TYC 621460.

This table covers the Radiator Fan motors. Typical signs include no motion, a squeal, or a motor that only runs on one speed. Confirm power, ground and the control module before replacing the motor. Read more

One part is listed for the 2015 Audi TT — MAHLE / CLEVITE CFF187001S.

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

5 Radiator Hose parts for the 2015 Audi TT come from 3 brands — REIN, CONTINENTAL and DAYCO. The "Popular" part is CONTINENTAL 67280.

Listed part numbers: CONTINENTAL 67280, DAYCO 72875 and REIN CHR0391, plus the other parts above.

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

This group shows a single part: VNE 41000012.

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

16 Temperature Sender / Sensor parts are listed for the 2015 Audi TT, from STANDARD MOTOR PRODUCTS, HOLSTEIN, GPD and 12 other brands. HOLSTEIN 2CTS0490 carries the "Popular" badge.

Economy: 6 parts, from HOLSTEIN, STANDARD MOTOR PRODUCTS, GPD and 3 other brands. A representative part number is HOLSTEIN 2CTS0490.

The Standard Replacement section: 10 options from BECK/ARNLEY, STANDARD MOTOR PRODUCTS, DELPHI and 7 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

26 Thermostat parts for the 2015 Audi TT come from 12 brands — FACET, MOTORAD, CALORSTAT and 9 other brands. The "Popular" part is FACET 78743K. Economy and Standard Replacement are all represented, and Standard Replacement alone accounts for 21 parts.

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

12 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2015 Audi TT, from ELRING, FEL-PRO, MAHLE / CLEVITE and 4 other brands. ELRING 453710 carries the "Popular" badge.

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

5 Thermostat Housing / Water Outlet parts for the 2015 Audi TT come from 4 brands — MOTORAD, DORMAN, SKP and 1 other brand. The "Popular" part is DORMAN 9025866.

The Economy section: 2 options from DORMAN and SKP. DORMAN 9025866 is listed in this group.

Standard Replacement: 3 parts, from MOTORAD and FOUR SEASONS. A representative part number is FOUR SEASONS 86001.

Part numbers include DORMAN 9025866, SKP SK9025866 and FOUR SEASONS 86001, among others listed above.

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

43 Water Pump parts for the 2015 Audi TT come from 18 brands — DAYCO, US MOTOR WORKS, PIERBURG and 15 other brands. The "Popular" part is BECK/ARNLEY 1312460. Economy and Standard Replacement are all represented, and Standard Replacement alone accounts for 22 parts.

This table covers the gaskets between the water pump and the block or housing. Typical signs include seepage at the joint, a burnt-oil smell, or a leak that appears only after a long drive. Clean both flanges and torque in the sequence the notes or the manual call for. Read more

6 Water Pump Gasket parts are listed for the 2015 Audi TT, from BECK/ARNLEY, ELRING, FEL-PRO and 2 other brands. ELRING 236880 carries the "Popular" badge.

This group includes ELRING 236880, FEL-PRO 35872 and BECK/ARNLEY 0394149 and the remaining parts above.

This table covers the Water Pump housings. Read more

One part is listed for the 2015 Audi TT — DORMAN 902670.