24 Electrical switch & relay parts are listed for the 2021 Audi A7, in 9 part types, covering all 3 engine options (2.0L L4 ELECTRIC/GAS Turbocharged, 2.0L L4 Turbocharged and 3.0L V6 Turbocharged). Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2021 Audi A7, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. Most of the listed parts are Oil Pressure Sender / Switch (10 parts), A/C Refrigerant Pressure Switch (4 parts) and Multi-Function Relay (3 parts). The other 6 part types cover the remaining 7 parts.
The 2021 Audi A7 was sold with 3 engines. 8 parts fit every engine; the other 16 are engine-specific. Each part shows which engine(s) it fits.
The most listed brands for 2021 Audi A7 electrical switch & relay parts are VEMO (7 parts), WELLS (5 parts) and UAC (3 parts), plus 6 more brands. Quality grades include Standard Replacement and Economy.
3 parts on this 2021 Audi A7 page carry a "Popular" badge — the source catalog's flag for options frequently chosen for this vehicle — including HELLA 009600281 (Oil Pressure Sender / Switch) and HELLA 003259971 (Oil Pressure Sender / Switch). Click any part number to see every vehicle that part fits.
A/C Pressure Safety Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: 2.0L L4 ELECTRIC/GAS Turbocharged | V10730521 | 🇺🇸 US | with Seal Ring | View on Amazon |
This table covers the A/C Pressure Safety switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2021 Audi A7 — VEMO V10730521.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FOUR SEASONS Fits: all 2021 A7 engines | 37427 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Switch | View on Amazon |
| UAC Fits: 2.0L L4 ELECTRIC/GAS Turbocharged | SW11951C | 🇺🇸 US 🇨🇦 CA | Pressure Transducer | View on Amazon |
| UAC Fits: 3.0L V6 Turbocharged | SW11103C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Transducer | View on Amazon |
| UAC Fits: 3.0L V6 Turbocharged | SW11224C | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Transducer | View on Amazon |
This table covers the pressure switches on the A/C circuit. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
4 A/C Refrigerant Pressure Switch parts for the 2021 Audi A7 come from 2 brands — UAC and FOUR SEASONS. 1 part fits every engine; the other 3 are engine-specific.
Listed part numbers: FOUR SEASONS 37427, UAC SW11951C and UAC SW11103C, plus the other parts above.
A/C Thermo Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD Fits: 3.0L V6 Turbocharged | 1713414 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Thermistor | View on Amazon |
This table covers the A/C Thermo switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2021 Audi A7 — GPD 1713414.
Brake Light Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Fits: all 2021 A7 engines | 1S10862 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the pedal-mounted switch that turns on the brake lamps. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: WELLS 1S10862.
Multi-Function Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH Fits: all 2021 A7 engines | 0986AH0082 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Purpose Relay | View on Amazon |
| BOSCH Fits: all 2021 A7 engines | 0986332209 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Purpose Relay | View on Amazon |
| WELLS Fits: all 2021 A7 engines | 1R1007 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounting Hardware Included: No | View on Amazon |
This table covers the relays that control the Multi-Function circuit. Typical signs include a click with no action, or a circuit that works only when you swap in a known-good relay. Swap with an identical relay in the fuse box before buying — it is the fastest test there is.
3 Multi-Function Relay parts for the 2021 Audi A7 come from 2 brands — BOSCH and WELLS. Every part fits all 3 engine options (2.0L L4 ELECTRIC/GAS Turbocharged, 2.0L L4 Turbocharged and 3.0L V6 Turbocharged).
Listed part numbers: BOSCH 0986AH0082, BOSCH 0986332209 and WELLS 1R1007.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS Fits: 2.0L L4 ELECTRIC/GAS Turbocharged, 2.0L L4 Turbocharged | 2561102 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WALKER PRODUCTS Fits: 3.0L V6 Turbocharged | 2561150 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular Fits: 2.0L L4 ELECTRIC/GAS Turbocharged | 009600281 | 🇺🇸 US | 1-Pin ConnectorHousing Color: Green | View on Amazon |
| HELLA Popular Fits: 3.0L V6 Turbocharged | 003259971 | 🇺🇸 US | 1-Pin ConnectorColor: Black or Turquoise | View on Amazon |
| WELLS Popular Fits: 2.0L L4 Turbocharged, 2.0L L4 ELECTRIC/GAS Turbocharged | 1S16087 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 0.3 - 0.6 Barwith 1 Pins | View on Amazon |
| STANDARD MOTOR PRODUCTS Fits: 3.0L V6 Turbocharged | PS669 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Finish: Chrome, Plastic | View on Amazon |
| VEMO Fits: all 2021 A7 engines | V10720420 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | To 07/31/2023 | View on Amazon |
| WELLS Fits: 2.0L L4 Turbocharged | 1S16086 | 🇲🇽 MX | 2.15 - 2.95 Barwith 1 Pins | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: 3.0L V6 Turbocharged | V10730311 | 🇺🇸 US | 3 PINS | View on Amazon |
| WELLS Fits: 2.0L L4 ELECTRIC/GAS Turbocharged, 2.0L L4 Turbocharged | 1S17518 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 0.55 - 0.85 Barwith 1 Terminal(s) | View on Amazon |
This table covers the senders and switches that report oil pressure to the gauge or lamp. Typical signs include a lamp that stays on, or a gauge that never moves. Confirm power and ground at the connector before replacing the sender or switch.
10 Oil Pressure Sender / Switch parts for the 2021 Audi A7 come from 5 brands — WELLS, WALKER PRODUCTS, HELLA and 2 other brands. The "Popular" part is HELLA 009600281. 1 part fits every engine; the other 9 are engine-specific.
The Economy section lists 2 options from WALKER PRODUCTS — the catalog's value-priced group. WALKER PRODUCTS 2561102 is listed in this group.
In the Standard Replacement grade, HELLA, WELLS, STANDARD MOTOR PRODUCTS and 1 other brand supply 6 parts: built to original-equipment specification. A representative part number is HELLA 009600281.
2 further parts sit outside the graded sections, with the same engine-level match.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: 2.0L L4 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | V10730719 | 🇺🇸 US | Fits Front Right | View on Amazon |
| VEMO Fits: 2.0L L4 ELECTRIC/GAS Turbocharged, 3.0L V6 Turbocharged | V10730728 | 🇺🇸 US | Front LeftSwitch Panel Assembly | View on Amazon |
This table covers the switches that command each window motor. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
2 Power Window Switch parts for the 2021 Audi A7 come from VEMO.
This group includes VEMO V10730719 and VEMO V10730728.
Trunk Lid / Tailgate Release Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: all 2021 A7 engines | V10730458 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Trunk Lid / Tailgate Release switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
One part is listed for the 2021 Audi A7 — VEMO V10730458.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Fits: all 2021 A7 engines | V10800003 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the combination / turn-signal switches. Typical signs include a function that works intermittently, or a click without the accessory coming on. Inspect the connector behind the switch; heat-damaged terminals will kill the new part too.
This group shows a single part: VEMO V10800003.
Buying Electrical Switch & Relay Parts for a 2021 Audi A7
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Match the engine first. Some electrical switch & relay parts fit every engine; others are engine-specific. Each row shows which engine(s) it fits.
- Read the notes on each row for position, trim and spec qualifiers before you order.
- Where labor overlaps, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
- Cross-reference the manufacturer part number against your old part or a service-manual listing.
Start with the largest groups on this page: Oil Pressure Sender / Switch and A/C Refrigerant Pressure Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2021 Audi A7?
Our catalog currently lists 24 electrical switch & relay parts for the 2021 Audi A7 across 9 subcategories and 9 brands, covering all 3 engine options (2.0L L4 ELECTRIC/GAS Turbocharged, 2.0L L4 Turbocharged and 3.0L V6 Turbocharged). Each part is matched to the engine(s) it fits.
Do electrical switch & relay parts differ between 2021 Audi A7 engines?
Some do. 8 parts fit every engine; the other 16 are engine-specific. Each row (and the filter at the top) shows which. If you're unsure which engine you have, check the emissions label under the hood or the 8th character of your VIN.
What are the signs of electrical switch & relay problems on a 2021 Audi A7?
Common symptoms include accessories that work intermittently, a click without action, or one function dead while its fuse tests fine. 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, inspect the connector terminals behind any failed switch — heat damage there will kill the new part too.
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 A7 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 A7?
First match the engine — each row shows which engine(s) the part fits. Then swap a suspect relay with an identical known-good one from the fuse box before buying — it is the fastest diagnostic there is. The notes column carries position and trim qualifiers where they apply.
Other Parts for the 2021 Audi A7
Electrical Switch & Relay Parts for Other Audi A7 Years
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