This page lists 13 electrical switch & relay parts for the 2022 Audi S3, across 4 part types, covering the 2.0L L4 Turbocharged engine. Every part shows its brand, manufacturer part number and fitment notes.
On the 2022 Audi S3, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. 12 parts of the 13 listed are Oil Pressure Sender / Switch (9 parts), A/C Refrigerant Pressure Switch (2 parts) and Accessory Power Relay (1 part). The other 1 part type covers the remaining 1 part.
The 2022 Audi S3 came with a single engine, the 2.0L L4 Turbocharged, and every part is verified against it.
9 brands supply electrical switch & relay parts for the 2022 Audi S3, led by WELLS (4 parts), STANDARD MOTOR PRODUCTS (2 parts) and FOUR SEASONS (1 part), plus 6 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2022 Audi S3. 2 parts have it, including REIN ELP0078 (Oil Pressure Sender / Switch) and HELLA 009600281 (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 |
|---|---|---|---|---|
| FOUR SEASONS | 37427 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Switch | View on Amazon |
| UAC | SW11103C | 🇺🇸 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.
2 A/C Refrigerant Pressure Switch parts are listed for the 2022 Audi S3, from FOUR SEASONS and UAC.
Listed part numbers: FOUR SEASONS 37427 and UAC SW11103C.
Accessory Power Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1R2303 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Mounting Hardware Included: No | View on Amazon |
This table covers the relays that control the Accessory Power 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.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| REIN Popular | ELP0078 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Brown, with .55-.85 Bar | View on Amazon |
| WALKER PRODUCTS | 2561102 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA Popular | 009600281 | 🇺🇸 US | 1-Pin ConnectorHousing Color: Green | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS489 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Quantity: 2 | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS665 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | BlackColor: Green | View on Amazon |
| WELLS | 1S16087 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lower0.3 - 0.6 Bar | View on Amazon |
| WELLS | 1S12101 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Lower2.15 - 2.95 Bar | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2OPS0303 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dark Blue1 Terminal | View on Amazon |
| WELLS | 1S17518 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Upper0.55 - 0.85 Bar | 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.
9 Oil Pressure Sender / Switch parts are listed for the 2022 Audi S3, from WELLS, STANDARD MOTOR PRODUCTS, REIN and 3 other brands. REIN ELP0078 carries the "Popular" badge.
In the Economy grade, REIN and WALKER PRODUCTS supply 2 parts: the catalog's value-priced group. A representative part number is REIN ELP0078.
The Standard Replacement section lists 5 options from STANDARD MOTOR PRODUCTS, WELLS and HELLA — built to original-equipment specification. HELLA 009600281 is listed in this group.
2 ungrouped parts are not assigned to a grade, with the same engine-level match.
Part numbers include REIN ELP0078, WALKER PRODUCTS 2561102 and HELLA 009600281, among others listed above.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10800007 | 🇺🇸 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.
One part is listed for the 2022 Audi S3 — VEMO V10800007.
Buying Electrical Switch & Relay Parts for a 2022 Audi S3
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 2.0L L4 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: Oil Pressure Sender / Switch and A/C Refrigerant Pressure Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2022 Audi S3?
Our catalog currently lists 13 electrical switch & relay parts for the 2022 Audi S3 across 4 subcategories and 9 brands, covering the 2.0L L4 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2022 Audi S3?
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 2022 Audi S3 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 2022 Audi S3?
Every part on this page is matched to the 2.0L L4 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 2022 Audi S3
Electrical Switch & Relay Parts for Other Audi S3 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.