2015 Audi A8 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 for the 2015 Audi A8 come from 6 brands — PRESTONE, PEAK, PENTOSIN and 3 other brands. The "Popular" part is FVP MV5050GAL.

In the Compatible With All Colors grade, PRESTONE supplies 1 part: grouped under the catalog's "Compatible With All Colors" designation — the notes column spells out what sets them apart. A representative part number is PRESTONE AF3055.

The Economy section lists 4 options from FVP, PRESTONE, VALVOLINE and 1 other brand — the catalog's value-priced group. FVP MV5050GAL is listed in this group.

In the Premium grade, PRESTONE and PEAK supply 5 parts: a step above OE specification in materials, tolerances or warranty terms. A representative part number is PRESTONE AF2100.

In the Standard Replacement grade, PENTOSIN, AISIN, PEAK and 1 other brand supply 6 parts: built to original-equipment specification. A representative part number is AISIN ACE010.

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

3 Coolant Hose / Pipe parts for the 2015 Audi A8 come from 2 brands — REIN and MOTORAD.

Listed part numbers: MOTORAD CH3075, REIN CHP0941 and REIN CHP1032.

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

3 Coolant Hose / Pipe Seal parts are listed for the 2015 Audi A8, from AJUSA, DORMAN and ELRING.

Listed part numbers: AJUSA 16020200, DORMAN 47451 and ELRING 793110.

This table covers the Coolant Hose Connector flanges. Read more

2 Coolant Hose Connector / Flange parts for the 2015 Audi A8 come from 2 brands — ÜRO PARTS and VAICO.

The Economy section: 1 option from ÜRO PARTS. ÜRO PARTS 059121506H is listed in this group.

Standard Replacement: 1 part, from VAICO. A representative part number is VAICO V107408.

This group includes ÜRO PARTS 059121506H and VAICO V107408.

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

This group shows a single part: ÜRO PARTS 357121140.

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

This group shows a single part: BECK/ARNLEY 1470039.

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

5 Coolant Reservoir Cap parts are listed for the 2015 Audi A8, from GATES, CALORSTAT, MOTORAD and 2 other brands. GATES 31529 carries the "Popular" badge.

Listed part numbers: GATES 31529, CALORSTAT RC0162 and MOTORAD T49, plus the other parts above.

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

4 Cooling System Tester Adapter parts for the 2015 Audi A8 come from 2 brands — GATES and MOTORAD.

Listed part numbers: GATES 31433, GATES 31434 and MOTORAD 3036, plus the other parts above.

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

8 Intercooler parts for the 2015 Audi A8 come from 7 brands — MAHLE / CLEVITE, GPD, TYC and 4 other brands. The "Popular" part is GPD 2711444.

Part numbers include GPD 2711444, TYC 13809 and VEMO V15606037, among others listed above.

This table covers the Intercooler Air Hose pipes. Read more

This group shows a single part: VAICO V103756.

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

8 Radiator parts for the 2015 Audi A8 come from 4 brands — MAHLE / CLEVITE, NISSENS, GPD and 1 other brand. The "Popular" part is NISSENS 60351.

The Economy section: 1 option from GPD. GPD 13637C is listed in this group.

Standard Replacement: 7 parts, from MAHLE / CLEVITE, NISSENS and SPECTRA PREMIUM. A representative part number is NISSENS 60351.

Part numbers include NISSENS 60351, GPD 13637C and NISSENS 60327, among others listed above.

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

4 Radiator Fan Assembly parts are listed for the 2015 Audi A8, from VEMO and TECHPRO.

Listed part numbers: TECHPRO AU3115111, VEMO V15011929 and VEMO V15011930, plus the other parts above.

This table covers the Radiator insulators. Read more

VNE supplies the 3 Radiator Insulator parts for the 2015 Audi A8.

Listed part numbers: VNE 41000034, VNE 41000036 and VNE 41000078.

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

REIN supplies both parts for the 2015 Audi A8.

This group includes REIN AVM0702 and REIN AVM0742.

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

18 Temperature Sender / Sensor parts for the 2015 Audi A8 come from 16 brands — STANDARD MOTOR PRODUCTS, GPD, ÜRO PARTS and 13 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TS608T.

The Economy section: 8 options from GPD, STANDARD MOTOR PRODUCTS, ÜRO PARTS and 4 other brands. STANDARD MOTOR PRODUCTS TS608T is listed in this group.

Standard Replacement: 10 parts, from BECK/ARNLEY, STANDARD MOTOR PRODUCTS, DELPHI and 7 other brands. A representative part number is BECK/ARNLEY 1580784.

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

5 Thermostat parts are listed for the 2015 Audi A8, from ÜRO PARTS, MOTORAD, FOUR SEASONS and 2 other brands. MOTORAD 963189 carries the "Popular" badge.

Economy: 1 part, from ÜRO PARTS. A representative part number is ÜRO PARTS 06E121111AT.

The Standard Replacement section: 3 options from MOTORAD, FOUR SEASONS and REIN. MOTORAD 963189 is listed in this group.

1 ungrouped part is not assigned to a grade, with the same engine-level match.

This group includes MOTORAD 963189, ÜRO PARTS 06E121111AT and FOUR SEASONS 86319 and the remaining parts above.

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

2 Thermostat Housing / Water Outlet parts are listed for the 2015 Audi A8, from REIN and VEMO.

This group includes REIN CHP1021 and VEMO V10990023.