The 2021 Audi E-Tron has 31 cooling system parts with verified fitment on this page — 11 part types and 19 brands, covering the ELECTRIC engine. Each part includes a manufacturer part number and application notes.
The cooling system system on the 2021 Audi E-Tron keeps operating temperature in the narrow band the engine was designed for, from radiator and water pump to thermostat and hoses. The largest groups are Coolant / Antifreeze (10 parts), Temperature Sender / Sensor (5 parts) and Radiator (4 parts). The other 8 part types cover the remaining 12 parts.
The 2021 Audi E-Tron came with a single engine, the ELECTRIC, and every part is verified against it.
19 brands supply cooling system parts for the 2021 Audi E-Tron, led by PEAK (4 parts), PENTOSIN (3 parts) and MOTORAD (2 parts), plus 16 more brands. Quality grades include Standard Replacement, Economy and Premium.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2021 Audi E-Tron. 3 parts have it, including PRESTONE AF6510 (Coolant / Antifreeze) and STANDARD MOTOR PRODUCTS TX275 (Temperature Sender / Sensor). Each part number opens a page with every vehicle that part fits.
Battery Cooler
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | TA9235 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Battery coolers. Typical signs include overheated fluid, a leak at the fittings, or mixed fluids in the reservoir. Flush the lines when you replace a cooler.
This group shows a single part: MOTORAD TA9235.
Coolant / Antifreeze
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PEAK | BQA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Blue Mountain Long LifeAll Vehicle | View on Amazon |
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 |
Premium
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PRESTONE Popular | AF6510 | 🇺🇸 US 🇨🇦 CA | MAX European Violet1 Gallon | View on Amazon |
| PEAK | PKP1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | All Vehicles Antifreeze1 Gallon | View on Amazon |
| PEAK | PXA1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 1 GallonGlobal Lifetime | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| PENTOSIN Popular | 8113106 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pentofrost E1.5 Liters | View on Amazon |
| PEAK | PEV1GAL | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | OET European Extended Life Violet1 Gallon | View on Amazon |
| PENTOSIN | 8114306 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pentofrost E1 Gallon | View on Amazon |
| PENTOSIN | 8113206 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pentofrost E5 Liters | View on Amazon |
| VALVOLINE | 904683 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | HT-12 Pink1 Gallon | 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.
10 Coolant / Antifreeze parts are listed for the 2021 Audi E-Tron, from PEAK, PENTOSIN, PRESTONE and 1 other brand. PRESTONE AF6510 carries the "Popular" badge.
In the Economy grade, PEAK supplies 1 part: the catalog's value-priced group. A representative part number is PEAK BQA1GAL.
The Heavy Duty section lists 1 option from PRESTONE — rated for severe service. PRESTONE AFC12100 is listed in this group.
The Premium section lists 3 options from PEAK and PRESTONE — a step above OE specification in materials, tolerances or warranty terms. PRESTONE AF6510 is listed in this group.
The Standard Replacement section lists 5 options from PENTOSIN, PEAK and VALVOLINE — built to original-equipment specification. PENTOSIN 8113106 is listed in this group.
Coolant Hose Flange Plug
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | 357121140 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Plug Kit with Plug and O-Ring | View on Amazon |
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.
One part is listed for the 2021 Audi E-Tron — ÜRO PARTS 357121140.
Coolant Reservoir Cap
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| MOTORAD | T143 | 🇺🇸 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.
This group shows a single part: MOTORAD T143.
Radiator
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| TECHPRO | AU3010157 | 🇺🇸 US 🇨🇦 CA | Quattro | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| KOYORAD | A13926 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| NISSENS | 606787 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brazed cooling fins | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FVP | RAD13926 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
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.
4 Radiator parts are listed for the 2021 Audi E-Tron, from TECHPRO, KOYORAD, NISSENS and 1 other brand.
Economy: 1 part, from TECHPRO. A representative part number is TECHPRO AU3010157.
The Standard Replacement section: 2 options from KOYORAD and NISSENS. KOYORAD A13926 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Part numbers include TECHPRO AU3010157, KOYORAD A13926 and NISSENS 606787, among others listed above.
Radiator Fan Assembly
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 2812266 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| TECHPRO | AU3115117 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Single Fan Assembly | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UAC | FA50946C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | e-tron Quattro | View on Amazon |
This table covers the fan assemblies (and clutches, where listed) that pull air through the radiator.
3 Radiator Fan Assembly parts for the 2021 Audi E-Tron come from 3 brands — GPD, TECHPRO and UAC.
The Economy section: 2 options from GPD and TECHPRO. GPD 2812266 is listed in this group.
Standard Replacement: 1 part, from UAC. A representative part number is UAC FA50946C.
This group includes GPD 2812266, TECHPRO AU3115117 and UAC FA50946C.
Radiator Insulator
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VNE | 41000073 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Upper | View on Amazon |
| VNE | 41000074 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lower | View on Amazon |
This table covers the Radiator insulators.
2 Radiator Insulator parts for the 2021 Audi E-Tron come from VNE.
Listed part numbers: VNE 41000073 and VNE 41000074.
Radiator Insulator Sleeve
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN | AVM0730 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Radiator Insulator sleeves.
This group shows a single part: 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.
This group shows a single part: REIN AVM0729.
Temperature Sender / Sensor
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 1814521 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Straight Connector | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS Popular | TX275 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Attachment Method: Bolt On | View on Amazon |
| BECK/ARNLEY | 1581599 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS | 2112035 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Sensor Only | View on Amazon |
| WELLS | 5S15293 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Gender: Female | 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.
5 Temperature Sender / Sensor parts are listed for the 2021 Audi E-Tron, from GPD, STANDARD MOTOR PRODUCTS, BECK/ARNLEY and 2 other brands. STANDARD MOTOR PRODUCTS TX275 carries the "Popular" badge.
Economy: 1 part, from GPD. A representative part number is GPD 1814521.
The Standard Replacement section: 4 options from STANDARD MOTOR PRODUCTS, BECK/ARNLEY, WALKER PRODUCTS and 1 other brand. STANDARD MOTOR PRODUCTS TX275 is listed in this group.
Listed part numbers: STANDARD MOTOR PRODUCTS TX275, GPD 1814521 and BECK/ARNLEY 1581599, plus the other parts above.
Water Pump
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GRAF | AWP050 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | High Voltage Battery Coolant Pump | View on Amazon |
| GRAF | AWP051 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Battery Low Temperature Circuit Coolant Pump | 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.
2 Water Pump parts for the 2021 Audi E-Tron come from GRAF.
Part numbers include GRAF AWP050 and GRAF AWP051.
Buying Cooling System Parts for a 2021 Audi E-Tron
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 ELECTRIC 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: Coolant / Antifreeze and Temperature Sender / Sensor .
Frequently Asked Questions
How many cooling system parts fit the 2021 Audi E-Tron?
Our catalog currently lists 31 cooling system parts for the 2021 Audi E-Tron across 11 subcategories and 19 brands, covering the ELECTRIC engine. Each part is matched to the engine(s) it fits.
What are the signs of cooling system problems on a 2021 Audi E-Tron?
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 2021 Audi E-Tron 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 2021 Audi E-Tron?
Every part on this page is matched to the ELECTRIC 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 2021 Audi E-Tron
Cooling System Parts for Other Audi E-Tron 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.