2021 Audi Q5 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 for the 2021 Audi Q5 come from 6 brands — PRESTONE, PEAK, PENTOSIN and 3 other brands. The "Popular" part is FVP MV5050GAL. 15 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 FVP, PRESTONE and PEAK — the catalog's value-priced group. FVP MV5050GAL 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 hard pipes and extra hoses in the coolant circuit. Read more

2 Coolant Hose / Pipe parts for the 2021 Audi Q5 come from REIN. 1 part fits every engine; the other 1 is engine-specific.

Listed part numbers: REIN CHP0663 and REIN CHE0969.

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 Q5, from MAHLE / CLEVITE, AJUSA and ELRING. 1 part fits every engine; the other 3 are engine-specific.

Part numbers include AJUSA 16098500, ELRING 703570 and MAHLE / CLEVITE C32354, among others listed above.

This table covers the Coolant Hose Connector flanges. Read more

This group shows a single part: VAICO V105890.

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

One part is listed for the 2021 Audi Q5 — ELRING 332740.

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

7 Coolant Reservoir parts are listed for the 2021 Audi Q5, from REIN, MAHLE / CLEVITE, TECHPRO and 1 other brand. REIN EPT0142 carries the "Popular" badge. 3 parts fit every engine; the other 4 are engine-specific.

Part numbers include REIN EPT0142, MAHLE / CLEVITE CRT21000S and MAHLE / CLEVITE CRT257000S, among others listed 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

4 Coolant Reservoir Cap parts are listed for the 2021 Audi Q5, from CALORSTAT, MOTORAD, REIN and 1 other brand. 2 parts fit every engine; the other 2 are engine-specific.

This group includes CALORSTAT RC0162, MOTORAD T111 and REIN CPE0039 and the remaining parts above.

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

7 Intercooler parts for the 2021 Audi Q5 come from 6 brands — NISSENS, TYC, AGILITY and 3 other brands. The "Popular" part is NISSENS 961466.

Part numbers include NISSENS 961466, TYC 18100 and AGILITY 5010041, 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

7 Radiator parts for the 2021 Audi Q5 come from 5 brands — GPD, NISSENS, UAC and 2 other brands. The "Popular" part is NISSENS 606573. 2 parts fit every engine; the other 5 are engine-specific.

The Economy section: 2 options from GPD. GPD 13665C is listed in this group.

Standard Replacement: 5 parts, from NISSENS, UAC, MAHLE / CLEVITE and 1 other brand. A representative part number is NISSENS 606573.

Listed part numbers: NISSENS 606573, GPD 13665C and GPD 13665, plus the other parts above.

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

8 Radiator Fan Assembly parts are listed for the 2021 Audi Q5, from TECHPRO, GPD, ULTRA-POWER and 3 other brands. AGILITY 6010489 carries the "Popular" badge. 5 parts fit every engine; the other 3 are engine-specific.

Economy: 5 parts, from TECHPRO, GPD and ULTRA-POWER. A representative part number is GPD 2812250.

The Standard Replacement section: 3 options from AGILITY, TYC and UAC. AGILITY 6010489 is listed in this group.

Listed part numbers: AGILITY 6010489, GPD 2812250 and TECHPRO AU3117111, plus the other parts above.

This table covers the upper, lower and connecting hoses between radiator, engine and reservoir. Typical signs include swelling, cracks, a soft spot, or a leak at a clamp. Replace adjacent aged hoses while the system is drained — they share the same heat cycle. Read more

One part is listed for the 2021 Audi Q5 — REIN CHR0983.

This table covers the Radiator insulators. Read more

VNE supplies both parts for the 2021 Audi Q5. All of them fit every engine offered in the 2021 Q5.

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 Q5 — 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 Q5 — 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

7 Temperature Sender / Sensor parts for the 2021 Audi Q5 come from 5 brands — GPD, STANDARD MOTOR PRODUCTS, WALKER PRODUCTS and 2 other brands. The "Popular" part is STANDARD MOTOR PRODUCTS TX275. 5 parts fit every engine; the other 2 are engine-specific.

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

Standard Replacement: 5 parts, from STANDARD MOTOR PRODUCTS, WALKER PRODUCTS, BECK/ARNLEY and 1 other brand. A representative part number is STANDARD MOTOR PRODUCTS TX275.

This group includes STANDARD MOTOR PRODUCTS TX275, GPD 1814521 and GPD 1816515 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

5 Thermostat parts are listed for the 2021 Audi Q5, from VEMO, BECK/ARNLEY, INA and 1 other brand. BECK/ARNLEY 1430913 carries the "Popular" badge.

Economy: 2 parts, from VEMO. A representative part number is VEMO V15992107.

The Standard Replacement section: 2 options from BECK/ARNLEY and INA. BECK/ARNLEY 1430913 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 1430913, VEMO V15992107 and VEMO V15992133, among others listed 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 Q5 come from 2 brands — MAHLE / CLEVITE and AJUSA.

Listed part numbers: AJUSA 16502300, MAHLE / CLEVITE 72622 and MAHLE / CLEVITE C33480.

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

2 Thermostat Housing / Water Outlet parts are listed for the 2021 Audi Q5, from GATES and MOTORAD.

This group includes GATES CO34954 and MOTORAD CH3116.

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

17 Water Pump parts are listed for the 2021 Audi Q5, from PIERBURG, BECK/ARNLEY, GATES and 7 other brands. US MOTOR WORKS US8124 carries the "Popular" badge.

Economy: 5 parts, from BECK/ARNLEY, US MOTOR WORKS, FVP and 1 other brand. A representative part number is US MOTOR WORKS US8124.

The Standard Replacement section: 12 options from PIERBURG, GATES, FOUR SEASONS and 3 other brands. GATES 42209 is listed in this group.