2023 Audi Q3 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

13 Coolant / Antifreeze parts for the 2023 Audi Q3 come from 4 brands — PRESTONE, PEAK, VALVOLINE and 1 other brand. The "Popular" part is PRESTONE AF3100. 12 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 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, AISIN, PEAK and VALVOLINE supply 3 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 2023 Audi Q3 come from 2 brands — REIN and VAICO.

Listed part numbers: REIN CHP0663, REIN CHP0793 and VAICO V105893.

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

2 Coolant Hose / Pipe Seal parts are listed for the 2023 Audi Q3, from DORMAN and MAHLE / CLEVITE. 1 part fits every engine; the other 1 is engine-specific.

Listed part numbers: DORMAN 47451 and MAHLE / CLEVITE C32354.

This table covers the Coolant Hose Connector flanges. Read more

5 Coolant Hose Connector / Flange parts for the 2023 Audi Q3 come from 2 brands — VAICO and REIN. The "Popular" part is VAICO V105890.

Part numbers include VAICO V105890, REIN CHC1009 and VAICO V106547, among others listed above.

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

3 Coolant Reservoir parts are listed for the 2023 Audi Q3, from TECHPRO and ÜRO PARTS.

This group includes TECHPRO VW3014109, TECHPRO VW3014110 and ÜRO PARTS 5Q0121407T.

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

2 Intercooler parts for the 2023 Audi Q3 come from 2 brands — DORMAN and SPECTRA PREMIUM.

Part numbers include DORMAN 918990 and SPECTRA PREMIUM 44011144.

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

This group shows a single part: TECHPRO VW3010166.

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

One part is listed for the 2023 Audi Q3 — TECHPRO VW3115125.

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

4 Temperature Sender / Sensor parts for the 2023 Audi Q3 come from 3 brands — STANDARD MOTOR PRODUCTS, GPD and HOLSTEIN.

The Economy section: 3 options from GPD, HOLSTEIN and STANDARD MOTOR PRODUCTS. GPD 1712644 is listed in this group.

Standard Replacement: 1 part, from STANDARD MOTOR PRODUCTS. A representative part number is STANDARD MOTOR PRODUCTS TS608.

This group includes GPD 1712644, HOLSTEIN 2CTS0490 and STANDARD MOTOR PRODUCTS TS608T 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

One part is listed for the 2023 Audi Q3 — BECK/ARNLEY 1430913.

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

One part is listed for the 2023 Audi Q3 — MOTORAD CH2074.

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

5 Water Pump parts are listed for the 2023 Audi Q3, from FOUR SEASONS, ÜRO PARTS, PIERBURG and 1 other brand. FOUR SEASONS 89108 carries the "Popular" badge.

Economy: 1 part, from ÜRO PARTS. A representative part number is ÜRO PARTS 5Q0121599AA.

The Standard Replacement section: 3 options from FOUR SEASONS and PIERBURG. FOUR SEASONS 89108 is listed in this group.

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

Listed part numbers: FOUR SEASONS 89108, ÜRO PARTS 5Q0121599AA and FOUR SEASONS 89112, plus the other parts above.