2016 Audi A6 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 2016 Audi A6, from PRESTONE, PEAK, PENTOSIN and 3 other brands. FVP MV5050GAL carries the "Popular" badge. 12 parts fit every engine; the other 4 are engine-specific.

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

7 Coolant Hose / Pipe parts are listed for the 2016 Audi A6, from REIN, MOTORAD and VAICO.

Part numbers include MOTORAD CH3075, REIN CHP0663 and REIN CHE0958, 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

8 Coolant Hose / Pipe Seal parts for the 2016 Audi A6 come from 5 brands — MAHLE / CLEVITE, ELRING, AJUSA and 2 other brands. The "Popular" part is MAHLE / CLEVITE C32208. 1 part fits every engine; the other 7 are engine-specific.

Listed part numbers: MAHLE / CLEVITE C32208, AJUSA 16098500 and DORMAN 47451, plus the other parts above.

This table covers the Coolant Hose Connector flanges. Read more

14 Coolant Hose Connector / Flange parts are listed for the 2016 Audi A6, from VAICO, ÜRO PARTS, MOTORAD and 3 other brands. DORMAN 627006 carries the "Popular" badge.

Economy: 4 parts, from ÜRO PARTS, DORMAN and SKP. A representative part number is DORMAN 627006.

The Standard Replacement section: 9 options from VAICO, MOTORAD and REIN. MOTORAD CH8714 is listed in this group.

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

This table covers the seals at the Coolant Hose Connector / Flange. 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

2 Coolant Hose Connector / Flange Seal parts for the 2016 Audi A6 come from ELRING.

Listed part numbers: ELRING 340420 and ELRING 475080.

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 2016 Audi A6 — ÜRO PARTS 357121140.

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

One part is listed for the 2016 Audi A6 — BECK/ARNLEY 1470039.

This table covers the Coolant Pipe adapters. Read more

This group shows a single part: ÜRO PARTS 06K121143PRM.

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

6 Coolant Reservoir parts for the 2016 Audi A6 come from 5 brands — REIN, GPD, MAHLE / CLEVITE and 2 other brands. The "Popular" part is REIN EPT0191.

Listed part numbers: REIN EPT0191, REIN EPK0191 and GPD 2411310, 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

6 Coolant Reservoir Cap parts for the 2016 Audi A6 come from 6 brands — GATES, MOTORAD, CALORSTAT and 3 other brands. The "Popular" part is GATES 31529. 2 parts fit every engine; the other 4 are engine-specific.

Listed part numbers: GATES 31529, MOTORAD T49 and CALORSTAT RC0011, plus the other parts above.

This table covers the Cooling Fan control modules. Read more

6 Cooling Fan Control Module parts for the 2016 Audi A6 come from 6 brands — GATES, VEMO, STANDARD MOTOR PRODUCTS and 3 other brands. The "Popular" part is GATES FCM157. 1 part fits every engine; the other 5 are engine-specific.

This group includes GATES FCM157, VEMO V10790027 and STANDARD MOTOR PRODUCTS RY1904 and the remaining parts above.

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

4 Cooling System Tester Adapter parts are listed for the 2016 Audi A6, from GATES and MOTORAD. 2 parts fit every engine; the other 2 are engine-specific.

This group includes GATES 31433, GATES 31434 and MOTORAD 3036 and the remaining parts above.

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

13 Intercooler parts are listed for the 2016 Audi A6, from GPD, NISSENS, TECHPRO and 6 other brands. CSF 6052 carries the "Popular" badge.

This table covers the Intercooler Air Hose pipes. Read more

VAICO supplies both parts for the 2016 Audi A6.

Part numbers include VAICO V104798 and VAICO V104381.

This table covers the gaskets that seal the Intercooler. 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

2 Intercooler Gasket parts for the 2016 Audi A6 come from ELRING.

Part numbers include ELRING 796450 and ELRING 793350.

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

29 Radiator parts are listed for the 2016 Audi A6, from UAC, MAHLE / CLEVITE, NISSENS and 10 other brands. CSF 3518 carries the "Popular" badge. They are grouped as Economy and Standard Replacement, with Standard Replacement the largest group at 23 parts from MAHLE / CLEVITE, UAC, NISSENS and 9 other brands.

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

13 Radiator Fan Assembly parts for the 2016 Audi A6 come from 6 brands — NISSENS, GPD, VEMO and 3 other brands. The "Popular" part is TYC 622940.

The Economy section: 4 options from GPD, TECHPRO and VEMO. GPD 2811880 is listed in this group.

Standard Replacement: 7 parts, from TYC, MAHLE / CLEVITE, NISSENS and 1 other brand. A representative part number is TYC 622940.

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

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

VEMO supplies both parts for the 2016 Audi A6.

Part numbers include VEMO V10010001 and VEMO V10010003.

This table covers the Radiator insulators. Read more

3 Radiator Insulator parts for the 2016 Audi A6 come from VNE.

Part numbers include 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

2 Radiator Mount parts for the 2016 Audi A6 come from REIN.

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

24 Temperature Sender / Sensor parts are listed for the 2016 Audi A6, from STANDARD MOTOR PRODUCTS, HOLSTEIN, GPD and 13 other brands. HOLSTEIN 2CTS0490 carries the "Popular" badge. 4 parts fit every engine; the other 20 are engine-specific.

Economy: 10 parts, from HOLSTEIN, GPD, VEMO and 4 other brands. A representative part number is HOLSTEIN 2CTS0490.

The Standard Replacement section: 14 options from BECK/ARNLEY, STANDARD MOTOR PRODUCTS, FACET 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

12 Thermostat parts for the 2016 Audi A6 come from 10 brands — MOTORAD, SKP, ÜRO PARTS and 7 other brands. The "Popular" part is BECK/ARNLEY 1430913.

The Economy section: 3 options from SKP, ÜRO PARTS and VEMO. SKP SK121111 is listed in this group.

Standard Replacement: 9 parts, from MOTORAD, BECK/ARNLEY, AISIN and 4 other brands. A representative part number is BECK/ARNLEY 1430913.

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

11 Thermostat / Thermostat Housing / Water Outlet Seal parts are listed for the 2016 Audi A6, from FEL-PRO, MAHLE / CLEVITE, AJUSA and 3 other brands. FEL-PRO 35924 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 2016 Audi A6 come from 4 brands — MOTORAD, GATES, REIN and 1 other brand.

This group includes GATES CO34954, MOTORAD CH6002 and MOTORAD CH3116 and the remaining parts 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

38 Water Pump parts for the 2016 Audi A6 come from 14 brands — GATES, PIERBURG, GMB and 11 other brands. The "Popular" part is BECK/ARNLEY 1312517. Economy and Standard Replacement are all represented, and Standard Replacement alone accounts for 25 parts.