The 2016 Audi S8 has 48 electrical switch & relay parts with verified fitment on this page — 13 part types and 14 brands, covering the 4.0L V8 Turbocharged engine. Each part includes a manufacturer part number and application notes.
The switch and relay system on the 2016 Audi S8 covers the switches, relays and flashers that route power to everything the driver touches. The largest groups are Oil Pressure Sender / Switch (11 parts), Power Window Switch (8 parts) and A/C Refrigerant Pressure Switch (5 parts). The other 10 part types cover the remaining 24 parts.
The 2016 Audi S8 came with a single engine, the 4.0L V8 Turbocharged, and every part is verified against it.
14 brands supply electrical switch & relay parts for the 2016 Audi S8, led by VEMO (11 parts), WELLS (11 parts) and STANDARD MOTOR PRODUCTS (7 parts), plus 11 more brands. Quality grades include Standard Replacement and Economy.
A "Popular" badge means the source catalog flagged the part as frequently chosen for the 2016 Audi S8. 7 parts have it, including UAC SW11224C (A/C Refrigerant Pressure Switch) and VEMO V10730302 (Brake Light 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 🇲🇽 MX | Pressure Transducer | View on Amazon |
| FOUR SEASONS | 37427 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Switch | View on Amazon |
| GPD | 1712374 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Pressure Transducer | View on Amazon |
| VEMO | V10730300 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Model | View on Amazon |
| VNE | 4016002 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 2016 Audi S8, from UAC, FOUR SEASONS, GPD and 2 other brands. UAC SW11224C carries the "Popular" badge.
This group includes UAC SW11224C, FOUR SEASONS 37427 and GPD 1712374 and the remaining parts above.
A/C Thermo Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| GPD | 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.
This group shows a single part: GPD 1713414.
Accessory Power Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | RY577 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Functions: Fuel Pump Relay | View on Amazon |
| 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.
2 Accessory Power Relay parts for the 2016 Audi S8 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
This group includes STANDARD MOTOR PRODUCTS RY577 and WELLS 1R2303.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Popular | V10730302 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Plug (Connector): 4 Pins | View on Amazon |
| DORMAN | 920497 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | SLS488 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VNE | 4015012 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Stop Light Switchwith Armoured Vehicle Option | View on Amazon |
| WELLS | 1S10938 | 🇺🇸 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.
5 Brake Light Switch parts are listed for the 2016 Audi S8, from VEMO, DORMAN, STANDARD MOTOR PRODUCTS and 2 other brands. VEMO V10730302 carries the "Popular" badge.
In the Economy grade, VEMO and DORMAN supply 2 parts: the catalog's value-priced group. A representative part number is VEMO V10730302.
The Standard Replacement section lists 3 options from STANDARD MOTOR PRODUCTS, VNE and WELLS — built to original-equipment specification. STANDARD MOTOR PRODUCTS SLS488 is listed in this group.
This group includes VEMO V10730302, DORMAN 920497 and STANDARD MOTOR PRODUCTS SLS488 and the remaining parts above.
Fuel Pump / Circuit Opening Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 933332451 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 4-pin connector | View on Amazon |
| VEMO | V15710064 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Executive US equipment | View on Amazon |
| VEMO | V15710063 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the relays that control the Fuel Pump / Circuit Opening 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 Fuel Pump / Circuit Opening Relay parts are listed for the 2016 Audi S8, from VEMO and HELLA.
Listed part numbers: HELLA 933332451, VEMO V15710064 and VEMO V15710063.
Horn Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 965453801 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 5-pin connector | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY577 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Functions: Fuel Pump Relay | View on Amazon |
| VEMO | V15710040 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Plug (Connector): 5 Pins | View on Amazon |
| WELLS | 1R2303 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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.
4 Horn Relay parts for the 2016 Audi S8 come from 4 brands — HELLA, STANDARD MOTOR PRODUCTS, VEMO and 1 other brand.
This group includes HELLA 965453801, STANDARD MOTOR PRODUCTS RY577 and VEMO V15710040 and the remaining parts above.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S17872 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 1S17872.
Multi-Function Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 0986AH0307 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Purpose Relay | View on Amazon |
| ÜRO PARTS | 7M0951253A | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| WELLS | 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 are listed for the 2016 Audi S8, from BOSCH, ÜRO PARTS and WELLS.
Part numbers include BOSCH 0986AH0307, ÜRO PARTS 7M0951253A and WELLS 1R1007.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730401 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Color-Light Blue2.7-3.4 Bar | View on Amazon |
| WALKER PRODUCTS | 2561150 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 0.30-0.60 BARColor-Turquoise | View on Amazon |
| WALKER PRODUCTS | 2561112 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 2.7-3.4 BARLight Blue | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FACET Popular | 70212 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Model2.7-3.4 BAR | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | PS673 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Connector Type: Socket | View on Amazon |
| WELLS Popular | 1S12104 | 🇺🇸 US 🇲🇽 MX | Fits 2.70 - 3.40 BarLight Blue | View on Amazon |
| FACET | 70174 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Base Model0.30-0.60 BAR | View on Amazon |
| GPD | 1815347 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with LightGreen | View on Amazon |
| HELLA | 003259971 | 🇺🇸 US 🇨🇦 CA | 1-Pin ConnectorColor: Black or Turquoise | View on Amazon |
| ROSTRA | 501409 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Blue Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS669 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Finish: Chrome, Plastic | 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.
11 Oil Pressure Sender / Switch parts are listed for the 2016 Audi S8, from WALKER PRODUCTS, FACET, STANDARD MOTOR PRODUCTS and 5 other brands. FACET 70212 carries the "Popular" badge.
Economy: 3 parts, from WALKER PRODUCTS and VEMO. A representative part number is VEMO V10730401.
The Standard Replacement section: 8 options from FACET, STANDARD MOTOR PRODUCTS, WELLS and 3 other brands. FACET 70212 is listed in this group.
Power Seat Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730560 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front RightElectric seat adjustment F | View on Amazon |
| VEMO | V10730562 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Front LeftElectric seat adjustment F | 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.
2 Power Seat Switch parts for the 2016 Audi S8 come from VEMO.
Listed part numbers: VEMO V10730560 and VEMO V10730562.
Power Window Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Popular | V10730028 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits RearBase Model | View on Amazon |
| WELLS Popular | 1S13089 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Front Rightwithout roll-up sunshade f | View on Amazon |
| STANDARD MOTOR PRODUCTS | DWS2198 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Right | View on Amazon |
| STANDARD MOTOR PRODUCTS | DWS2200 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Leftwith Power Door Assist | View on Amazon |
| WELLS | 1S13093 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Front Rightwith roll-up sunshade F | View on Amazon |
| WELLS | 1S13074 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Leftwith Single Child Safety Lock | View on Amazon |
| WELLS | 1S13092 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Leftwith Dual Child Safety Lock | View on Amazon |
| WELLS | 1S13094 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Front Rightwith roll-up sunshade F | 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.
8 Power Window Switch parts are listed for the 2016 Audi S8, from WELLS, STANDARD MOTOR PRODUCTS and VEMO. VEMO V10730028 carries the "Popular" badge.
This group includes VEMO V10730028, WELLS 1S13089 and STANDARD MOTOR PRODUCTS DWS2198 and the remaining parts above.
Trunk Lid / Tailgate Release Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | 4G0959831A5PR | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | RearBase Model | View on Amazon |
| VEMO | V10730430 | 🇺🇸 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.
2 Trunk Lid / Tailgate Release Switch parts for the 2016 Audi S8 come from 2 brands — ÜRO PARTS and VEMO.
Listed part numbers: ÜRO PARTS 4G0959831A5PR and VEMO V10730430.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V15803313 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Heated leather trimmed multi-function steering wheel with Tiptronic | 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 2016 Audi S8 — VEMO V15803313.
Buying Electrical Switch & Relay Parts for a 2016 Audi S8
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 4.0L V8 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 Power Window Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2016 Audi S8?
Our catalog currently lists 48 electrical switch & relay parts for the 2016 Audi S8 across 13 subcategories and 14 brands, covering the 4.0L V8 Turbocharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2016 Audi S8?
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 2016 Audi S8 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 2016 Audi S8?
Every part on this page is matched to the 4.0L V8 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 2016 Audi S8
Electrical Switch & Relay Parts for Other Audi S8 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.