2021 Audi Q7 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

15 Coolant / Antifreeze parts for the 2021 Audi Q7 come from 5 brands — PRESTONE, PEAK, PENTOSIN and 2 other brands. The "Popular" part is PRESTONE AF3100. 14 parts fit every engine; the other 1 is 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 3 options from PRESTONE, VALVOLINE and PEAK — the catalog's value-priced group. PRESTONE AF3100 is listed in this group.

In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.

In the Premium grade, PRESTONE and PEAK supply 4 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 PENTOSIN 8113106.

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

This group shows a single part: REIN CHP0663.

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 are listed for the 2021 Audi Q7, from MAHLE / CLEVITE and AJUSA.

Part numbers include AJUSA 16098500, MAHLE / CLEVITE C32354 and MAHLE / CLEVITE C32208, among others listed above.

This table covers the Coolant Hose Connector flanges. Read more

2 Coolant Hose Connector / Flange parts for the 2021 Audi Q7 come from 2 brands — REIN and VAICO.

Listed part numbers: REIN CHC0744 and VAICO V105890.

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 overflow / expansion tanks that hold extra coolant. Read more

One part is listed for the 2021 Audi Q7 — REIN EPT0283.

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 2021 Audi Q7, from CALORSTAT, MOTORAD and ÜRO PARTS. All of them fit every engine offered in the 2021 Q7.

Listed part numbers: CALORSTAT RC0162, MOTORAD T111 and ÜRO PARTS 4M0121321Q.

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

7 Intercooler parts for the 2021 Audi Q7 come from 4 brands — MAHLE / CLEVITE, NISSENS, GPD and 1 other brand. The "Popular" part is NISSENS 961305.

Part numbers include NISSENS 961305, NISSENS 961304 and GPD 2711558, among others listed above.

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

11 Radiator parts for the 2021 Audi Q7 come from 7 brands — GPD, TYC, UAC and 4 other brands. The "Popular" part is TYC 13665.

The Economy section: 3 options from GPD and VEMO. GPD 13665 is listed in this group.

Standard Replacement: 8 parts, from TYC, UAC, NISSENS and 2 other brands. A representative part number is TYC 13665.

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

6 Radiator Fan Assembly parts are listed for the 2021 Audi Q7, from VEMO and TECHPRO. VEMO V10010013 carries the "Popular" badge. 2 parts fit every engine; the other 4 are engine-specific.

Listed part numbers: VEMO V10010013, TECHPRO AU3115119 and VEMO V15011942, plus the other parts above.

This table covers the Radiator insulators. Read more

VNE supplies both parts for the 2021 Audi Q7. All of them fit every engine offered in the 2021 Q7.

Part numbers include VNE 41000073 and VNE 41000074.

This table covers the Radiator Insulator sleeves. Read more

One part is listed for the 2021 Audi Q7 — REIN AVM0730.

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

One part is listed for the 2021 Audi Q7 — REIN AVM0729.

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

8 Temperature Sender / Sensor parts for the 2021 Audi Q7 come from 7 brands — VNE, ULTRA-POWER, GPD and 4 other brands. The "Popular" part is ULTRA-POWER 5S1608. Every part fits both the 2.0L L4 Turbocharged and the 3.0L V6 Turbocharged.

The Economy section: 2 options from ULTRA-POWER and GPD. ULTRA-POWER 5S1608 is listed in this group.

Standard Replacement: 6 parts, from VNE, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 2 other brands. A representative part number is STANDARD MOTOR PRODUCTS TX275.

This group includes ULTRA-POWER 5S1608, GPD 1814521 and STANDARD MOTOR PRODUCTS TX275 and the remaining parts above.

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

7 Thermostat parts are listed for the 2021 Audi Q7, from MOTORAD, AISIN, BECK/ARNLEY and 3 other brands. MOTORAD 838235 carries the "Popular" badge.

This group includes MOTORAD 838235, AISIN THRVG0015 and BECK/ARNLEY 1430913 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

3 Thermostat / Thermostat Housing / Water Outlet Seal parts for the 2021 Audi Q7 come from 2 brands — MAHLE / CLEVITE and AJUSA.

Part numbers include AJUSA 16502300, MAHLE / CLEVITE 72622 and MAHLE / CLEVITE C33480.

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

3 Thermostat Housing / Water Outlet parts are listed for the 2021 Audi Q7, from GATES, MOTORAD and VEMO.

Listed part numbers: GATES CO34954, MOTORAD CH3116 and VEMO V10990020.

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

26 Water Pump parts are listed for the 2021 Audi Q7, from PIERBURG, GATES, FOUR SEASONS and 9 other brands. BECK/ARNLEY 1312517 carries the "Popular" badge. Economy and Standard Replacement are all represented, and Standard Replacement alone accounts for 19 parts.