2021 Audi SQ8 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 SQ8 come from 5 brands — PRESTONE, PEAK, PENTOSIN and 2 other brands. The "Popular" part is PRESTONE AF3100.

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 2 options from PRESTONE 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 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 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 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

2 Coolant Reservoir Cap parts are listed for the 2021 Audi SQ8, from MOTORAD and ÜRO PARTS.

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

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

One part is listed for the 2021 Audi SQ8 — VEMO V15011946.

This table covers the Radiator insulators. Read more

VNE supplies both parts for the 2021 Audi SQ8.

Listed part numbers: VNE 41000073 and VNE 41000074.

This table covers the Radiator Insulator sleeves. Read more

One part is listed for the 2021 Audi SQ8 — 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 SQ8 — 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

6 Temperature Sender / Sensor parts for the 2021 Audi SQ8 come from 5 brands — GPD, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX275.

The Economy section: 2 options from GPD. GPD 1814521 is listed in this group.

Standard Replacement: 4 parts, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, BECK/ARNLEY and 1 other brand. A representative part number is STANDARD MOTOR PRODUCTS TX275.

Part numbers include STANDARD MOTOR PRODUCTS TX275, GPD 1814521 and GPD 1816515, among others listed 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

3 Thermostat parts are listed for the 2021 Audi SQ8, from AISIN, CALORSTAT and MOTORAD.

Listed part numbers: AISIN THRVG0018, CALORSTAT TE7368107J and MOTORAD 1331225.

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

7 Water Pump parts are listed for the 2021 Audi SQ8, from FOUR SEASONS, BECK/ARNLEY, GATES and 3 other brands. BECK/ARNLEY 1312513 carries the "Popular" badge.

Economy: 1 part, from BECK/ARNLEY. A representative part number is BECK/ARNLEY 1312513.

The Standard Replacement section: 5 options from FOUR SEASONS, GATES, NISSENS and 1 other brand. GATES 41568E is listed in this group.

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

Part numbers include BECK/ARNLEY 1312513, GATES 41568E and FOUR SEASONS 89087, among others listed above.