This page lists 21 electrical switch & relay parts for the 2020 Audi S5, across 9 part types, covering the 3.0L V6 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
The switch and relay system on the 2020 Audi S5 covers the switches, relays and flashers that route power to everything the driver touches. The largest groups are A/C Refrigerant Pressure Switch (5 parts), Oil Pressure Sender / Switch (5 parts) and Multi-Function Relay (4 parts). The other 6 part types cover the remaining 7 parts.
The 2020 Audi S5 came with a single engine, the 3.0L V6 Turbocharged, and every part is verified against it.
11 brands supply electrical switch & relay parts for the 2020 Audi S5, led by WELLS (5 parts), VEMO (5 parts) and ÜRO PARTS (2 parts), plus 8 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2020 Audi S5. 2 parts have it, including UAC SW11224C (A/C Refrigerant Pressure Switch) and HELLA 003259971 (Oil Pressure Sender / Switch). Each part number opens a page with every vehicle that part fits.
A/C Refrigerant Pressure Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| UAC Popular | SW11224C | 🇺🇸 US 🇨🇦 CA | Pressure Transducer | View on Amazon |
| FOUR SEASONS | 37427 | 🇺🇸 US 🇨🇦 CA | Pressure Switch | View on Amazon |
| JAPANESE OE | 3ACP0018 | 🇺🇸 US 🇨🇦 CA | Sensata | View on Amazon |
| VNE | 4016002 | 🇺🇸 US 🇨🇦 CA | S5 Sportback | View on Amazon |
| WELLS | 5S16908 | 🇺🇸 US 🇨🇦 CA | S5 Sportback | 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.
5 A/C Refrigerant Pressure Switch parts are listed for the 2020 Audi S5, from UAC, FOUR SEASONS, JAPANESE OE and 2 other brands. UAC SW11224C carries the "Popular" badge.
Part numbers include UAC SW11224C, FOUR SEASONS 37427 and JAPANESE OE 3ACP0018, among others listed above.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | 5G0698459 | 🇺🇸 US 🇨🇦 CA | S5 Sportback | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S14224 | 🇺🇸 US 🇨🇦 CA | 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.
2 Brake Light Switch parts are listed for the 2020 Audi S5, from ÜRO PARTS and WELLS.
In the Economy grade, ÜRO PARTS supplies 1 part: the catalog's value-priced group. A representative part number is ÜRO PARTS 5G0698459.
The Standard Replacement section lists 1 option from WELLS — built to original-equipment specification. WELLS 1S14224 is listed in this group.
Listed part numbers: ÜRO PARTS 5G0698459 and WELLS 1S14224.
Horn Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1R2303 | 🇺🇸 US 🇨🇦 CA | Mounting Hardware Included: No | View on Amazon |
This table covers the relays that control the Horn 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.
This group shows a single part: WELLS 1R2303.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S17494 | 🇺🇸 US 🇨🇦 CA | with Push Button Switch | View on Amazon |
This table covers the ignition switches that feed the starter 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.
This group shows a single part: WELLS 1S17494.
Multi-Function Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 0986AH0082 | 🇺🇸 US 🇨🇦 CA | Multi-Purpose Relay | View on Amazon |
| BOSCH | 0986332209 | 🇺🇸 US 🇨🇦 CA | Multi-Purpose Relay | View on Amazon |
| ÜRO PARTS | 7M0951253A | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1R1007 | 🇺🇸 US 🇨🇦 CA | 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.
4 Multi-Function Relay parts are listed for the 2020 Audi S5, from BOSCH, ÜRO PARTS and WELLS.
Listed part numbers: BOSCH 0986AH0082, BOSCH 0986332209 and ÜRO PARTS 7M0951253A, plus the other parts above.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WALKER PRODUCTS | 2561150 | 🇺🇸 US 🇨🇦 CA | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 003259971 | 🇺🇸 US | 1-Pin ConnectorColor: Black or Turquoise | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS669 | 🇺🇸 US 🇨🇦 CA | Finish: Chrome, Plastic | View on Amazon |
| VEMO | V10720420 | 🇺🇸 US 🇨🇦 CA | From 08/28/2017To 07/31/2023 | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730311 | 🇺🇸 US | 3 PINS | 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.
5 Oil Pressure Sender / Switch parts are listed for the 2020 Audi S5, from VEMO, WALKER PRODUCTS, HELLA and 1 other brand. HELLA 003259971 carries the "Popular" badge.
Economy: 1 part, from WALKER PRODUCTS. A representative part number is WALKER PRODUCTS 2561150.
The Standard Replacement section: 3 options from HELLA, STANDARD MOTOR PRODUCTS and VEMO. HELLA 003259971 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
This group includes HELLA 003259971, WALKER PRODUCTS 2561150 and STANDARD MOTOR PRODUCTS PS669 and the remaining parts above.
Power Seat Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730561 | 🇺🇸 US 🇨🇦 CA | S5 SportbackFront Left | View on Amazon |
This table covers the Power Seat 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 V10730561.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730721 | 🇺🇸 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.
One part is listed for the 2020 Audi S5 — VEMO V10730721.
Trunk Lid / Tailgate Release Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730458 | 🇺🇸 US 🇨🇦 CA | Coupe or Hatchback | 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.
This group shows a single part: VEMO V10730458.
Buying Electrical Switch & Relay Parts for a 2020 Audi S5
On this vehicle, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches.
- Confirm you have the 3.0L V6 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, 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: A/C Refrigerant Pressure Switch and Oil Pressure Sender / Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2020 Audi S5?
Our catalog currently lists 21 electrical switch & relay parts for the 2020 Audi S5 across 9 subcategories and 11 brands, covering the 3.0L V6 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2020 Audi S5?
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 2020 Audi S5 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 2020 Audi S5?
Every part on this page is matched to the 3.0L V6 Turbocharged engine. 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 2020 Audi S5
Electrical Switch & Relay Parts for Other Audi S5 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.