84 Electrical switch & relay parts are listed for the 2016 Audi S4, in 19 part types, covering the 3.0L V6 Supercharged engine. Each one has a brand, a manufacturer part number and notes that say where it fits.
On the 2016 Audi S4, the switch and relay system covers the switches, relays and flashers that route power to everything the driver touches. 33 parts of the 84 listed are Oil Pressure Sender / Switch (19 parts), Cruise Control Switch (7 parts) and Dimmer Switch (7 parts). The other 16 part types cover the remaining 51 parts.
The 2016 Audi S4 came with a single engine, the 3.0L V6 Supercharged, and every part is verified against it.
16 brands supply electrical switch & relay parts for the 2016 Audi S4, led by WELLS (23 parts), ROSTRA (20 parts) and STANDARD MOTOR PRODUCTS (12 parts), plus 13 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 S4. 11 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 | View on Amazon | |
| WELLS | 5S16908 | 🇺🇸 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 S4, from UAC, FOUR SEASONS, GPD and 2 other brands. UAC SW11224C carries the "Popular" badge.
Listed part numbers: UAC SW11224C, FOUR SEASONS 37427 and GPD 1712374, plus the other parts above.
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 S4 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Part numbers include STANDARD MOTOR PRODUCTS RY577 and WELLS 1R2303.
Back Up / Reverse Lamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730498 | 🇺🇸 US | Manual trans. | View on Amazon |
This table covers the Back Up / Reverse Lamp 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 S4 — VEMO V10730498.
Brake Light Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO Popular | V10730302 | 🇺🇸 US | Plug (Connector): 4 Pins | View on Amazon |
| DORMAN | 920497 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ROSTRA | 620127 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| STANDARD MOTOR PRODUCTS | SLS488 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VNE | 4013066 | 🇺🇸 US 🇨🇦 CA | Sensor SwitchBrake Light Sensor | 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.
6 Brake Light Switch parts are listed for the 2016 Audi S4, from VEMO, DORMAN, ROSTRA and 3 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 4 options from ROSTRA, STANDARD MOTOR PRODUCTS, VNE and 1 other brand — built to original-equipment specification. ROSTRA 620127 is listed in this group.
Part numbers include VEMO V10730302, DORMAN 920497 and ROSTRA 620127, among others listed above.
Cruise Control Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular | 1S14794 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Adaptive Cruise Controlwith Lane Departure Warning System | View on Amazon |
| ROSTRA | 641017 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Lane Departure Warning Systemwithout Trip Computer | View on Amazon |
| ROSTRA | 641018 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Lane Departure Warning Systemwith Trip Computer | View on Amazon |
| ROSTRA | 641020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Lane Departure Warning Systemwith Trip Computer | View on Amazon |
| ROSTRA | 641025 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Lane Departure Warning Systemwithout Trip Computer | View on Amazon |
| WELLS | 1S14789 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Adaptive Cruise Controlwithout Lane Departure Warning System | View on Amazon |
| WELLS | 1S14788 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Adaptive Cruise Controlwithout Lane Departure Warning System | View on Amazon |
This table covers the Cruise Control 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.
7 Cruise Control Switch parts for the 2016 Audi S4 come from 2 brands — ROSTRA and WELLS. The "Popular" part is WELLS 1S14794.
Part numbers include WELLS 1S14794, ROSTRA 641017 and ROSTRA 641018, among others listed above.
Dimmer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular | 1S14794 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Cruise Controlwithout Adaptive Cruise Control | View on Amazon |
| ROSTRA | 641017 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Cruise Controlwithout Lane Departure Warning System | View on Amazon |
| ROSTRA | 641018 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Cruise Controlwithout Lane Departure Warning System | View on Amazon |
| ROSTRA | 641020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Lane Departure Warning Systemwith Trip Computer | View on Amazon |
| ROSTRA | 641025 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Lane Departure Warning Systemwith Cruise Control | View on Amazon |
| WELLS | 1S14789 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Adaptive Cruise Controlwithout Lane Departure Warning System | View on Amazon |
| WELLS | 1S14788 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Cruise Controlwithout Adaptive Cruise Control | View on Amazon |
This table covers the dimmer switches that select headlamp high and low beam. 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.
7 Dimmer Switch parts for the 2016 Audi S4 come from 2 brands — ROSTRA and WELLS. The "Popular" part is WELLS 1S14794.
Part numbers include WELLS 1S14794, ROSTRA 641017 and ROSTRA 641018, among others listed above.
Hazard Warning Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HZS293 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Passenger Air Bag Deactivation Light | View on Amazon |
| STANDARD MOTOR PRODUCTS | HZS279 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Passenger Air Bag Deactivation Light | View on Amazon |
| WELLS | 1S12829 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon |
This table covers the Hazard Warning 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.
3 Hazard Warning Switch parts for the 2016 Audi S4 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS HZS293, STANDARD MOTOR PRODUCTS HZS279 and WELLS 1S12829.
Headlamp Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | HLS1380 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VEMO | V10730637 | 🇺🇸 US | View on Amazon |
This table covers the column or dash switches that control the exterior 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 Headlamp Switch parts for the 2016 Audi S4 come from 2 brands — STANDARD MOTOR PRODUCTS and VEMO.
Listed part numbers: STANDARD MOTOR PRODUCTS HLS1380 and VEMO V10730637.
Horn Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HELLA | 965453801 | 🇺🇸 US | 5-pin connector | View on Amazon |
| STANDARD MOTOR PRODUCTS | RY577 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Functions: Fuel Pump Relay | View on Amazon |
| VEMO | V15710040 | 🇺🇸 US | 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 S4 come from 4 brands — HELLA, STANDARD MOTOR PRODUCTS, VEMO and 1 other brand.
Part numbers include HELLA 965453801, STANDARD MOTOR PRODUCTS RY577 and VEMO V15710040, among others listed above.
Ignition Starter Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS | 1S16925 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 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 1S16925.
Multi-Function Relay
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| BOSCH | 0986AH0307 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Multi-Purpose Relay | 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.
2 Multi-Function Relay parts are listed for the 2016 Audi S4, from BOSCH and WELLS.
This group includes BOSCH 0986AH0307 and WELLS 1R1007.
Neutral Safety Switch / Range Sensor
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | NS769 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | View on Amazon | |
| VNE | 9121220 | 🇺🇸 US 🇨🇦 CA | Manual trans.Gear Shift Sensor For Manual Transmission | View on Amazon |
This table covers the Neutral Safety Switch / Range sensors. Typical signs include a warning lamp, a stored code, or a reading that drops out when the harness is wiggled. Inspect the connector and ground before replacing the sensor — wiring faults are often condemned as bad sensors.
2 Neutral Safety Switch / Range Sensor parts are listed for the 2016 Audi S4, from STANDARD MOTOR PRODUCTS and VNE.
This group includes STANDARD MOTOR PRODUCTS NS769 and VNE 9121220.
Oil Pressure Sender / Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ULTRA-POWER | 1S12100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Base Modelor Oil Pressure Sender or Switchwith 2 Terminal(s) | View on Amazon |
| VEMO | V10730476 | 🇺🇸 US 🇨🇦 CA | Color-Gray2 Pin | View on Amazon |
| WALKER PRODUCTS | 2561095 | 🇺🇸 US 🇨🇦 CA | 2 PIN | View on Amazon |
| WALKER PRODUCTS | 2561144 | 🇺🇸 US 🇨🇦 CA | 1 Pin (Gray) | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| FACET Popular | 70134 | 🇺🇸 US | 1 Pin | View on Amazon |
| HELLA Popular | 009600231 | 🇺🇸 US | 2-Pin ConnectorColor: Green or Color: Violet | View on Amazon |
| ROSTRA Popular | 501414 | 🇺🇸 US | with 1 Pin Terminals | View on Amazon |
| STANDARD MOTOR PRODUCTS Popular | PS489 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Terminal Quantity: 2 | View on Amazon |
| FACET | 70190 | 🇺🇸 US | 2 PIN | View on Amazon |
| GPD | 1815317 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Graywith Light | View on Amazon |
| ROSTRA | 501456 | 🇺🇸 US | with Purple Connectorwith 2 Pin Terminals | View on Amazon |
| ROSTRA | 501487 | 🇺🇸 US 🇨🇦 CA | with 2 Pin Terminalswith Green Connector | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS663 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Finish: Metal, PlasticBlack | View on Amazon |
| STANDARD MOTOR PRODUCTS | PS490 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Gray | View on Amazon |
| VEMO | V10720420 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | To 07/31/2023 | View on Amazon |
| WELLS | 1S11839 | 🇺🇸 US 🇨🇦 CA | 2.00 - 2.50 BarGreen | View on Amazon |
| WELLS | 1S12100 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 2.30 - 2.80 BarPurple | View on Amazon |
| WELLS | 1S10845 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | 0.75 - 1.05 BarGray | View on Amazon |
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| HOLSTEIN | 2OPS0303 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Dark Blue1 Terminal | 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.
19 Oil Pressure Sender / Switch parts are listed for the 2016 Audi S4, from ROSTRA, STANDARD MOTOR PRODUCTS, WELLS and 7 other brands. FACET 70134 carries the "Popular" badge.
Economy: 4 parts, from WALKER PRODUCTS, ULTRA-POWER and VEMO. A representative part number is ULTRA-POWER 1S12100.
The Standard Replacement section: 14 options from ROSTRA, STANDARD MOTOR PRODUCTS, WELLS and 4 other brands. FACET 70134 is listed in this group.
1 ungrouped part is not assigned to a grade, with the same engine-level match.
Power Seat Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| VEMO | V10730561 | 🇺🇸 US 🇨🇦 CA | Front LeftStandard front seats [Q1A], Sports front seats [Q1D], SIE Power seat adjustment with memory feature 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.
This group shows a single part: VEMO V10730561.
Power Window Switch
Economy
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS Popular | 8K0959851FV10 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front LeftSwitch Panel Assembly | View on Amazon |
| ÜRO PARTS | 8K0959855BV10 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Rear | View on Amazon |
Standard Replacement
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| STANDARD MOTOR PRODUCTS | DWS2197 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Front Left | View on Amazon |
| VEMO | V10730323 | 🇺🇸 US | Fits Rear | View on Amazon |
| WELLS | 1S13086 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | Fits Front RightTo 02/2016 | 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.
5 Power Window Switch parts are listed for the 2016 Audi S4, from ÜRO PARTS, STANDARD MOTOR PRODUCTS, VEMO and 1 other brand. ÜRO PARTS 8K0959851FV10 carries the "Popular" badge.
Economy: 2 parts, from ÜRO PARTS. A representative part number is ÜRO PARTS 8K0959851FV10.
The Standard Replacement section: 3 options from STANDARD MOTOR PRODUCTS, VEMO and WELLS. STANDARD MOTOR PRODUCTS DWS2197 is listed in this group.
Part numbers include ÜRO PARTS 8K0959851FV10, ÜRO PARTS 8K0959855BV10 and STANDARD MOTOR PRODUCTS DWS2197, among others listed above.
Trunk Lid / Tailgate Release Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| ÜRO PARTS | 5N0827566T | 🇺🇸 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.
This group shows a single part: ÜRO PARTS 5N0827566T.
Turn Signal Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular | 1S14794 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Cruise Controlwithout Adaptive Cruise Control | View on Amazon |
| ROSTRA | 641017 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Cruise Controlwithout Lane Departure Warning System | View on Amazon |
| ROSTRA | 641018 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Cruise Controlwithout Lane Departure Warning System | View on Amazon |
| ROSTRA | 641020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Lane Departure Warning Systemwith Trip Computer | View on Amazon |
| ROSTRA | 641025 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Lane Departure Warning Systemwith Cruise Control | View on Amazon |
| VEMO | V15800022 | 🇺🇸 US 🇨🇦 CA | View on Amazon | |
| WELLS | 1S14789 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Adaptive Cruise Controlwithout Lane Departure Warning System | 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.
7 Turn Signal Switch parts are listed for the 2016 Audi S4, from ROSTRA, WELLS and VEMO. WELLS 1S14794 carries the "Popular" badge.
Part numbers include WELLS 1S14794, ROSTRA 641017 and ROSTRA 641018, among others listed above.
Water Pump 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 Water Pump 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 Water Pump Relay parts for the 2016 Audi S4 come from 2 brands — STANDARD MOTOR PRODUCTS and WELLS.
Listed part numbers: STANDARD MOTOR PRODUCTS RY577 and WELLS 1R2303.
Wiper / Washer Switch
| Brand | Part Number | Markets | Notes | Buy |
|---|---|---|---|---|
| WELLS Popular | 1S14794 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Cruise Controlwithout Adaptive Cruise Control | View on Amazon |
| ROSTRA | 641017 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Cruise Controlwithout Lane Departure Warning System | View on Amazon |
| ROSTRA | 641018 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Cruise Controlwithout Lane Departure Warning System | View on Amazon |
| ROSTRA | 641020 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | without Lane Departure Warning Systemwith Trip Computer | View on Amazon |
| ROSTRA | 641025 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Lane Departure Warning Systemwith Cruise Control | View on Amazon |
| WELLS | 1S14789 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Adaptive Cruise Controlwithout Lane Departure Warning System | View on Amazon |
| WELLS | 1S14788 | 🇺🇸 US 🇨🇦 CA 🇲🇽 MX | with Cruise Controlwithout Adaptive Cruise Control | View on Amazon |
This table covers the Wiper / Washer 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.
7 Wiper / Washer Switch parts for the 2016 Audi S4 come from 2 brands — ROSTRA and WELLS. The "Popular" part is WELLS 1S14794.
This group includes WELLS 1S14794, ROSTRA 641017 and ROSTRA 641018 and the remaining parts above.
Buying Electrical Switch & Relay Parts for a 2016 Audi S4
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 Supercharged 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 Cruise Control Switch .
Frequently Asked Questions
How many electrical switch & relay parts fit the 2016 Audi S4?
Our catalog currently lists 84 electrical switch & relay parts for the 2016 Audi S4 across 19 subcategories and 16 brands, covering the 3.0L V6 Supercharged engine. Each part is matched to the engine(s) it fits.
What are the signs of electrical switch & relay problems on a 2016 Audi S4?
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 S4 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 S4?
Every part on this page is matched to the 3.0L V6 Supercharged 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 S4
Electrical Switch & Relay Parts for Other Audi S4 Years
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