This page lists 15 cooling system parts for the 2025 Audi SQ8, across 7 part types, covering the 4.0L V8 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2025 Audi SQ8, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. Most of the listed parts are Water Pump (7 parts), Coolant / Antifreeze (3 parts) and Coolant Reservoir Cap (1 part). The other 4 part types cover the remaining 4 parts.
Every part on this page is matched to the 4.0L V8 Turbocharged — the only engine offered in the 2025 Audi SQ8.
The most listed brands for 2025 Audi SQ8 cooling system parts are REIN (3 parts), PRESTONE (2 parts) and MOTORAD (2 parts), plus 7 more brands. Quality grades include Standard Replacement, Economy and Heavy Duty.
2 parts on this 2025 Audi SQ8 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including GATES 41568E (Water Pump) and HELLA 358304701 (Water Pump). Click any part number to see every vehicle that part fits.
Coolant / Antifreeze
Heavy Duty
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | AFC12100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Command Nitrite Free Extended Life CoolantYellow Nitrite Free OAT | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VALVOLINE | 904683 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HT-12 Pink1 Gallon | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE | 78065 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Heavy Duty | View on Amazon |
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.
3 Coolant / Antifreeze parts for the 2025 Audi SQ8 come from 2 brands — PRESTONE and VALVOLINE.
In the Heavy Duty grade, PRESTONE supplies 1 part: rated for severe service. A representative part number is PRESTONE AFC12100.
In the Standard Replacement grade, VALVOLINE supplies 1 part: built to original-equipment specification. A representative part number is VALVOLINE 904683.
1 further part sits outside the graded sections, with the same engine-level match.
This group includes PRESTONE AFC12100, VALVOLINE 904683 and PRESTONE 78065.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | T111 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Standard | View on Amazon |
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.
One part is listed for the 2025 Audi SQ8 — MOTORAD T111.
Radiator Insulator Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | AVM0730 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Radiator Insulator sleeves.
One part is listed for the 2025 Audi SQ8 — REIN AVM0730.
Radiator Mount
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | AVM0729 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Upper | View on Amazon |
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.
One part is listed for the 2025 Audi SQ8 — REIN AVM0729.
Temperature Sender / Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| NISSENS | 207067 | 🇺🇸 US | Oval Connector, bolted connection | View on Amazon |
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.
This group shows a single part: NISSENS 207067.
Thermostat
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | 1331225 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Includes housings, sensor, seal | View on Amazon |
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.
One part is listed for the 2025 Audi SQ8 — MOTORAD 1331225.
Water Pump
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | WPA0541 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits To RadiatorAuxiliaryor Heater | View on Amazon |
| VAICO | V4550019 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GATES Popular | 41568E | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Electric | View on Amazon |
| GMB | 1804050 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| NISSENS | 832121 | 🇺🇸 US | Fits Engine CoolingAuxiliaryor HVAC System | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 358304701 | 🇺🇸 US | Fits Engine CoolingAuxiliaryor HVAC System | View on Amazon |
| FVP | 1804050 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Impeller Rotation: Counter-Clockwise | View on Amazon |
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.
7 Water Pump parts are listed for the 2025 Audi SQ8, from REIN, VAICO, GATES and 4 other brands. GATES 41568E carries the "Popular" badge.
In the Economy grade, REIN and VAICO supply 2 parts: the catalog's value-priced group. A representative part number is REIN WPA0541.
The Standard Replacement section: 3 options from GATES, GMB and NISSENS. GATES 41568E is listed in this group.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
Part numbers include GATES 41568E, REIN WPA0541 and VAICO V4550019, among others listed above.
Buying Cooling System Parts for a 2025 Audi SQ8
On this vehicle, the cooling system system keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses.
- Confirm you have the 4.0L V8 Turbocharged engine — every part on this page is matched to it.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Water Pump and Coolant / Antifreeze .
Frequently Asked Questions
How many cooling system parts fit the 2025 Audi SQ8?
Our catalog currently lists 15 cooling system parts for the 2025 Audi SQ8 across 7 subcategories and 10 brands, covering the 4.0L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2025 Audi SQ8?
Common symptoms include a rising temperature gauge in traffic, sweet-smelling steam, crusty deposits around hose clamps, or a heater that blows cold. If you notice any of these, identify the affected subcategory above and cross-reference the part numbers listed.
What should I replace at the same time?
Where labor overlaps, replace the thermostat and refill with fresh coolant whenever you change a water pump or radiator; original hoses on an older vehicle are on borrowed time.
What do the market flags (US, CA, MX) on each part mean?
They show the market for which the manufacturer published application data for that part — where the vehicle was first sold, not where the part was made. If your 2025 Audi SQ8 was originally sold in the US, the safest choice is a part marked for the US market.
How do I make sure a part fits my 2025 Audi SQ8?
Every part on this page is matched to the 4.0L V8 Turbocharged engine. Then replace coolant with the exact specification the manufacturer calls for — mixing chemistries can gel and block small passages. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2025 Audi SQ8
Cooling System Parts for Other Audi SQ8 Years
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Manufacturer names, model designations and part numbers are used for identification and fitment reference only. AutoFactsDB is an independent catalog and is not affiliated with, endorsed by, or sponsored by any vehicle manufacturer displayed on this page.