2018 Audi A7 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 2018 Audi A7 come from 6 brands — PRESTONE, PEAK, PENTOSIN and 3 other brands. The "Popular" part is FVP MV5050GAL. 12 parts fit every engine; the other 4 are engine-specific.

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 2018 Audi A7 come from 2 brands — REIN and MOTORAD.

This group includes 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 2018 Audi A7, from AJUSA and DORMAN. 1 part fits every engine; the other 2 are engine-specific.

Listed part numbers: AJUSA 16098500, AJUSA 16020200 and DORMAN 47451.

This table covers the Coolant Hose Connector flanges. Read more

This group shows a single part: VAICO V105867.

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 overflow / expansion tanks that hold extra coolant. Read more

5 Coolant Reservoir parts are listed for the 2018 Audi A7, from REIN, GPD, HELLA and 1 other brand. REIN EPK0191 carries the "Popular" badge. 1 part fits every engine; the other 4 are engine-specific.

Listed part numbers: REIN EPK0191, GPD 2411310 and HELLA 366365161, 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 are listed for the 2018 Audi A7, from GATES, MOTORAD and REIN.

Listed part numbers: GATES 31529, MOTORAD T49 and REIN CPE0024P.

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

2 Cooling System Tester Adapter parts for the 2018 Audi A7 come from MOTORAD.

Part numbers include MOTORAD 3036 and MOTORAD 3037.

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

2 Intercooler parts for the 2018 Audi A7 come from 2 brands — GPD and TYC.

This group includes GPD 2711667 and TYC 13809.

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

19 Radiator parts for the 2018 Audi A7 come from 9 brands — NISSENS, MAHLE / CLEVITE, GPD and 6 other brands. The "Popular" part is DENSO 2219289.

The Economy section: 2 options from GPD. GPD 13278 is listed in this group.

Standard Replacement: 13 parts, from MAHLE / CLEVITE, NISSENS, OSC and 5 other brands. A representative part number is DENSO 2219289.

4 further parts sit outside the graded sections, with the same engine-level match.

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

5 Radiator Fan Assembly parts are listed for the 2018 Audi A7, from NISSENS, GPD, TECHPRO and 1 other brand.

Economy: 2 parts, from GPD and TECHPRO. A representative part number is GPD 2812468.

The Standard Replacement section: 1 option from TYC. TYC 625590 is listed in this group.

2 ungrouped parts are not assigned to a grade, with the same engine-level match.

This group includes GPD 2812468, TECHPRO AU3115112 and TYC 625590 and the remaining 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

REIN supplies both parts for the 2018 Audi A7.

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

14 Temperature Sender / Sensor parts for the 2018 Audi A7 come from 13 brands — STANDARD MOTOR PRODUCTS, GPD, HOLSTEIN and 10 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TS608T. 5 parts fit every engine; the other 9 are engine-specific.

The Economy section: 5 options from STANDARD MOTOR PRODUCTS, GPD, HOLSTEIN and 2 other brands. STANDARD MOTOR PRODUCTS TS608T is listed in this group.

Standard Replacement: 9 parts, from BECK/ARNLEY, STANDARD MOTOR PRODUCTS, DELPHI and 6 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

6 Thermostat parts are listed for the 2018 Audi A7, from FOUR SEASONS, ÜRO PARTS, MOTORAD 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.

2 ungrouped parts are 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 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

This group shows a single part: AJUSA 16502300.

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

2 Thermostat Housing / Water Outlet parts are listed for the 2018 Audi A7, from REIN and VEMO.

Part numbers include REIN CHP1021 and VEMO V10990023.

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

19 Water Pump parts are listed for the 2018 Audi A7, from FOUR SEASONS, PIERBURG, NISSENS and 7 other brands. SKP SK6033150 carries the "Popular" badge.

Economy: 2 parts, from SKP and BECK/ARNLEY. A representative part number is SKP SK6033150.

The Standard Replacement section: 11 options from PIERBURG, FOUR SEASONS, NISSENS and 3 other brands. GATES 41592E is listed in this group.

6 ungrouped parts are not assigned to a grade, with the same engine-level match.